repos/blastem: nuklear_ui/nuklear

annotate nuklear_ui/nuklear_rawfb.h @ 2281:b9fed07f19e4

Implement BRAM cart support

author	Michael Pavone <pavone@retrodev.com>
date	Sun, 08 Jan 2023 23:30:28 -0800
parents	56a1171e29b9
children

rev	line source
1825 56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1 /*
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	2 * MIT License
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	3 *
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	4 * Copyright (c) 2016-2017 Patrick Rudolph <siro@das-labor.org>
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	5 *
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	6 * Permission is hereby granted, free of charge, to any person obtaining a copy
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	7 * of this software and associated documentation files (the "Software"), to deal
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	8 * in the Software without restriction, including without limitation the rights
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	10 * copies of the Software, and to permit persons to whom the Software is
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	11 * furnished to do so, subject to the following conditions:
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	12
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	13 * The above copyright notice and this permission notice shall be included in all
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	14 * copies or substantial portions of the Software.
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	15
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	22 * SOFTWARE.
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	23 */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	24 /*
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	25 * ==============================================================
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	26 *
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	27 * API
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	28 *
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	29 * ===============================================================
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	30 */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	31 #ifndef NK_RAWFB_H_
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	32 #define NK_RAWFB_H_
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	33
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	34 struct rawfb_context;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	35
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	36 /* All functions are thread-safe */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	37 NK_API struct rawfb_context nk_rawfb_init(void fb, struct nk_context *context, const unsigned int w, const unsigned int h, const unsigned int pitch);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	38 NK_API void nk_rawfb_render(const struct rawfb_context *rawfb, const struct nk_color clear, const unsigned char enable_clear);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	39 NK_API void nk_rawfb_shutdown(struct rawfb_context *rawfb);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	40 NK_API void nk_rawfb_resize_fb(struct rawfb_context rawfb, void fb, const unsigned int w, const unsigned int h, const unsigned int pitch);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	41
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	42 #endif
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	43 /*
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	44 * ==============================================================
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	45 *
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	46 * IMPLEMENTATION
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	47 *
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	48 * ===============================================================
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	49 */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	50 #ifdef NK_RAWFB_IMPLEMENTATION
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	51
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	52 struct rawfb_image {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	53 void *pixels;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	54 int w, h, pitch;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	55 enum nk_font_atlas_format format;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	56 };
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	57 struct rawfb_context {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	58 struct nk_context *ctx;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	59 struct nk_rect scissors;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	60 struct rawfb_image fb;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	61 struct rawfb_image font_tex;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	62 struct nk_font_atlas atlas;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	63 };
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	64
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	65 #ifndef MIN
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	66 #define MIN(a,b) ((a) < (b) ? (a) : (b))
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	67 #endif
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	68 #ifndef MAX
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	69 #define MAX(a,b) ((a) < (b) ? (b) : (a))
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	70 #endif
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	71
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	72 static unsigned int
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	73 nk_color_from_byte(const nk_byte *c)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	74 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	75 unsigned int res = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	76 #if defined(RAWFB_RGBX_8888)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	77 res \|= (unsigned int)c[0] << 16;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	78 res \|= (unsigned int)c[1] << 8;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	79 res \|= (unsigned int)c[2] << 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	80 #elif defined(RAWFB_XRGB_8888)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	81 res = ((unsigned int *)c)[0];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	82 #else
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	83 #error Define one of RAWFB_RGBX_8888 , RAWFB_XRGB_8888
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	84 #endif
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	85 return (res);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	86 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	87
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	88 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	89 nk_rawfb_setpixel(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	90 const short x0, const short y0, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	91 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	92 unsigned int c = nk_color_from_byte(&col.r);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	93 unsigned char *pixels = rawfb->fb.pixels;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	94 unsigned int *ptr;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	95
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	96 pixels += y0 * rawfb->fb.pitch;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	97 ptr = (unsigned int *)pixels;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	98 ptr += x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	99
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	100 if (y0 < rawfb->scissors.h && y0 >= rawfb->scissors.y &&
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	101 x0 >= rawfb->scissors.x && x0 < rawfb->scissors.w)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	102 *ptr = c;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	103 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	104
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	105 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	106 nk_rawfb_line_horizontal(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	107 const short x0, const short y, const short x1, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	108 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	109 /* This function is called the most. Try to optimize it a bit...
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	110 * It does not check for scissors or image borders.
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	111 * The caller has to make sure it does no exceed bounds. */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	112 unsigned int i, n;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	113 unsigned int c[16];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	114 unsigned char *pixels = rawfb->fb.pixels;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	115 unsigned int *ptr;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	116
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	117 pixels += y * rawfb->fb.pitch;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	118 ptr = (unsigned int *)pixels;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	119 ptr += x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	120
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	121 n = x1 - x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	122 for (i = 0; i < sizeof(c) / sizeof(c[0]); i++)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	123 c[i] = nk_color_from_byte(&col.r);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	124
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	125 while (n > 16) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	126 memcpy((void *)ptr, c, sizeof(c));
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	127 n -= 16; ptr += 16;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	128 } for (i = 0; i < n; i++)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	129 ptr[i] = c[i];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	130 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	131
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	132 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	133 nk_rawfb_imagesetpixel(const struct rawfb_image *img,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	134 const int x0, const int y0, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	135 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	136 unsigned char *ptr;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	137 NK_ASSERT(img);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	138 if (y0 < img->h && y0 > 0 && x0 > 0 && x0 < img->w) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	139 ptr = img->pixels;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	140 if (img->format == NK_FONT_ATLAS_ALPHA8) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	141 ptr += img->pitch * y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	142 ptr[x0] = col.a;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	143 } else {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	144 ptr += img->pitch * y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	145 ((struct nk_color *)ptr)[x0] = col;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	146 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	147 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	148 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	149
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	150 static struct nk_color
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	151 nk_image_getpixel(const struct rawfb_image *img, const int x0, const int y0)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	152 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	153 struct nk_color col = {0, 0, 0, 0};
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	154 unsigned char *ptr;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	155 NK_ASSERT(img);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	156 if (y0 < img->h && y0 > 0 && x0 > 0 && x0 < img->w) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	157 ptr = img->pixels;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	158 if (img->format == NK_FONT_ATLAS_ALPHA8) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	159 ptr += img->pitch * y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	160 col.a = ptr[x0];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	161 col.b = col.g = col.r = 0xff;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	162 } else {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	163 ptr += img->pitch * y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	164 col = ((struct nk_color *)ptr)[x0];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	165 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	166 } return col;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	167 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	168
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	169 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	170 nk_image_blendpixel(const struct rawfb_image *img,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	171 const int x0, const int y0, struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	172 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	173 struct nk_color col2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	174 unsigned char inv_a;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	175 if (col.a == 0)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	176 return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	177
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	178 inv_a = 0xff - col.a;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	179 col2 = nk_image_getpixel(img, x0, y0);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	180 col.r = (col.r * col.a + col2.r * inv_a) >> 8;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	181 col.g = (col.g * col.a + col2.g * inv_a) >> 8;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	182 col.b = (col.b * col.a + col2.b * inv_a) >> 8;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	183 nk_rawfb_imagesetpixel(img, x0, y0, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	184 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	185
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	186 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	187 nk_rawfb_scissor(struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	188 const float x,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	189 const float y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	190 const float w,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	191 const float h)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	192 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	193 rawfb->scissors.x = MIN(MAX(x, 0), rawfb->fb.w);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	194 rawfb->scissors.y = MIN(MAX(y, 0), rawfb->fb.h);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	195 rawfb->scissors.w = MIN(MAX(w + x, 0), rawfb->fb.w);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	196 rawfb->scissors.h = MIN(MAX(h + y, 0), rawfb->fb.h);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	197 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	198
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	199 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	200 nk_rawfb_stroke_line(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	201 short x0, short y0, short x1, short y1,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	202 const unsigned int line_thickness, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	203 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	204 short tmp;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	205 int dy, dx, stepx, stepy;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	206
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	207 dy = y1 - y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	208 dx = x1 - x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	209
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	210 /* fast path */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	211 if (dy == 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	212 if (dx == 0 \|\| y0 >= rawfb->scissors.h \|\| y0 < rawfb->scissors.y)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	213 return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	214
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	215 if (dx < 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	216 /* swap x0 and x1 */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	217 tmp = x1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	218 x1 = x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	219 x0 = tmp;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	220 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	221 x1 = MIN(rawfb->scissors.w - 1, x1);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	222 x0 = MIN(rawfb->scissors.w - 1, x0);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	223 x1 = MAX(rawfb->scissors.x, x1);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	224 x0 = MAX(rawfb->scissors.x, x0);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	225 nk_rawfb_line_horizontal(rawfb, x0, y0, x1, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	226 return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	227 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	228 if (dy < 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	229 dy = -dy;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	230 stepy = -1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	231 } else stepy = 1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	232
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	233 if (dx < 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	234 dx = -dx;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	235 stepx = -1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	236 } else stepx = 1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	237
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	238 dy <<= 1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	239 dx <<= 1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	240
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	241 nk_rawfb_setpixel(rawfb, x0, y0, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	242 if (dx > dy) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	243 int fraction = dy - (dx >> 1);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	244 while (x0 != x1) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	245 if (fraction >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	246 y0 += stepy;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	247 fraction -= dx;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	248 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	249 x0 += stepx;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	250 fraction += dy;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	251 nk_rawfb_setpixel(rawfb, x0, y0, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	252 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	253 } else {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	254 int fraction = dx - (dy >> 1);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	255 while (y0 != y1) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	256 if (fraction >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	257 x0 += stepx;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	258 fraction -= dy;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	259 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	260 y0 += stepy;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	261 fraction += dx;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	262 nk_rawfb_setpixel(rawfb, x0, y0, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	263 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	264 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	265 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	266
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	267 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	268 nk_rawfb_fill_polygon(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	269 const struct nk_vec2i *pnts, int count, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	270 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	271 int i = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	272 #define MAX_POINTS 64
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	273 int left = 10000, top = 10000, bottom = 0, right = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	274 int nodes, nodeX[MAX_POINTS], pixelX, pixelY, j, swap ;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	275
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	276 if (count == 0) return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	277 if (count > MAX_POINTS)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	278 count = MAX_POINTS;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	279
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	280 /* Get polygon dimensions */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	281 for (i = 0; i < count; i++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	282 if (left > pnts[i].x)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	283 left = pnts[i].x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	284 if (right < pnts[i].x)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	285 right = pnts[i].x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	286 if (top > pnts[i].y)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	287 top = pnts[i].y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	288 if (bottom < pnts[i].y)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	289 bottom = pnts[i].y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	290 } bottom++; right++;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	291
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	292 /* Polygon scanline algorithm released under public-domain by Darel Rex Finley, 2007 */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	293 /* Loop through the rows of the image. */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	294 for (pixelY = top; pixelY < bottom; pixelY ++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	295 nodes = 0; /* Build a list of nodes. */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	296 j = count - 1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	297 for (i = 0; i < count; i++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	298 if (((pnts[i].y < pixelY) && (pnts[j].y >= pixelY)) \|\|
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	299 ((pnts[j].y < pixelY) && (pnts[i].y >= pixelY))) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	300 nodeX[nodes++]= (int)((float)pnts[i].x
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	301 + ((float)pixelY - (float)pnts[i].y) / ((float)pnts[j].y - (float)pnts[i].y)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	302 * ((float)pnts[j].x - (float)pnts[i].x));
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	303 } j = i;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	304 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	305
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	306 /* Sort the nodes, via a simple “Bubble” sort. */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	307 i = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	308 while (i < nodes - 1) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	309 if (nodeX[i] > nodeX[i+1]) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	310 swap = nodeX[i];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	311 nodeX[i] = nodeX[i+1];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	312 nodeX[i+1] = swap;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	313 if (i) i--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	314 } else i++;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	315 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	316 /* Fill the pixels between node pairs. */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	317 for (i = 0; i < nodes; i += 2) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	318 if (nodeX[i+0] >= right) break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	319 if (nodeX[i+1] > left) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	320 if (nodeX[i+0] < left) nodeX[i+0] = left ;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	321 if (nodeX[i+1] > right) nodeX[i+1] = right;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	322 for (pixelX = nodeX[i]; pixelX < nodeX[i + 1]; pixelX++)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	323 nk_rawfb_setpixel(rawfb, pixelX, pixelY, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	324 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	325 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	326 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	327 #undef MAX_POINTS
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	328 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	329
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	330 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	331 nk_rawfb_stroke_arc(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	332 short x0, short y0, short w, short h, const short s,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	333 const short line_thickness, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	334 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	335 /* Bresenham's ellipses - modified to draw one quarter */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	336 const int a2 = (w * w) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	337 const int b2 = (h * h) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	338 const int fa2 = 4 * a2, fb2 = 4 * b2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	339 int x, y, sigma;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	340
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	341 if (s != 0 && s != 90 && s != 180 && s != 270) return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	342 if (w < 1 \|\| h < 1) return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	343
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	344 /* Convert upper left to center */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	345 h = (h + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	346 w = (w + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	347 x0 += w; y0 += h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	348
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	349 /* First half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	350 for (x = 0, y = h, sigma = 2b2+a2(1-2h); b2x <= a2*y; x++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	351 if (s == 180)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	352 nk_rawfb_setpixel(rawfb, x0 + x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	353 else if (s == 270)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	354 nk_rawfb_setpixel(rawfb, x0 - x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	355 else if (s == 0)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	356 nk_rawfb_setpixel(rawfb, x0 + x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	357 else if (s == 90)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	358 nk_rawfb_setpixel(rawfb, x0 - x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	359 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	360 sigma += fa2 * (1 - y);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	361 y--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	362 } sigma += b2 * ((4 * x) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	363 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	364
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	365 /* Second half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	366 for (x = w, y = 0, sigma = 2a2+b2(1-2w); a2y <= b2*x; y++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	367 if (s == 180)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	368 nk_rawfb_setpixel(rawfb, x0 + x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	369 else if (s == 270)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	370 nk_rawfb_setpixel(rawfb, x0 - x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	371 else if (s == 0)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	372 nk_rawfb_setpixel(rawfb, x0 + x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	373 else if (s == 90)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	374 nk_rawfb_setpixel(rawfb, x0 - x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	375 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	376 sigma += fb2 * (1 - x);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	377 x--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	378 } sigma += a2 * ((4 * y) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	379 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	380 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	381
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	382 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	383 nk_rawfb_fill_arc(const struct rawfb_context *rawfb, short x0, short y0,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	384 short w, short h, const short s, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	385 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	386 /* Bresenham's ellipses - modified to fill one quarter */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	387 const int a2 = (w * w) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	388 const int b2 = (h * h) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	389 const int fa2 = 4 * a2, fb2 = 4 * b2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	390 int x, y, sigma;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	391 struct nk_vec2i pnts[3];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	392 if (w < 1 \|\| h < 1) return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	393 if (s != 0 && s != 90 && s != 180 && s != 270)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	394 return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	395
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	396 /* Convert upper left to center */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	397 h = (h + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	398 w = (w + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	399 x0 += w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	400 y0 += h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	401
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	402 pnts[0].x = x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	403 pnts[0].y = y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	404 pnts[2].x = x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	405 pnts[2].y = y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	406
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	407 /* First half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	408 for (x = 0, y = h, sigma = 2b2+a2(1-2h); b2x <= a2*y; x++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	409 if (s == 180) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	410 pnts[1].x = x0 + x; pnts[1].y = y0 + y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	411 } else if (s == 270) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	412 pnts[1].x = x0 - x; pnts[1].y = y0 + y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	413 } else if (s == 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	414 pnts[1].x = x0 + x; pnts[1].y = y0 - y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	415 } else if (s == 90) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	416 pnts[1].x = x0 - x; pnts[1].y = y0 - y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	417 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	418 nk_rawfb_fill_polygon(rawfb, pnts, 3, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	419 pnts[2] = pnts[1];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	420 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	421 sigma += fa2 * (1 - y);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	422 y--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	423 } sigma += b2 * ((4 * x) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	424 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	425
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	426 /* Second half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	427 for (x = w, y = 0, sigma = 2a2+b2(1-2w); a2y <= b2*x; y++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	428 if (s == 180) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	429 pnts[1].x = x0 + x; pnts[1].y = y0 + y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	430 } else if (s == 270) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	431 pnts[1].x = x0 - x; pnts[1].y = y0 + y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	432 } else if (s == 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	433 pnts[1].x = x0 + x; pnts[1].y = y0 - y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	434 } else if (s == 90) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	435 pnts[1].x = x0 - x; pnts[1].y = y0 - y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	436 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	437 nk_rawfb_fill_polygon(rawfb, pnts, 3, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	438 pnts[2] = pnts[1];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	439 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	440 sigma += fb2 * (1 - x);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	441 x--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	442 } sigma += a2 * ((4 * y) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	443 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	444 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	445
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	446 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	447 nk_rawfb_stroke_rect(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	448 const short x, const short y, const short w, const short h,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	449 const short r, const short line_thickness, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	450 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	451 if (r == 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	452 nk_rawfb_stroke_line(rawfb, x, y, x + w, y, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	453 nk_rawfb_stroke_line(rawfb, x, y + h, x + w, y + h, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	454 nk_rawfb_stroke_line(rawfb, x, y, x, y + h, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	455 nk_rawfb_stroke_line(rawfb, x + w, y, x + w, y + h, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	456 } else {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	457 const short xc = x + r;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	458 const short yc = y + r;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	459 const short wc = (short)(w - 2 * r);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	460 const short hc = (short)(h - 2 * r);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	461
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	462 nk_rawfb_stroke_line(rawfb, xc, y, xc + wc, y, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	463 nk_rawfb_stroke_line(rawfb, x + w, yc, x + w, yc + hc, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	464 nk_rawfb_stroke_line(rawfb, xc, y + h, xc + wc, y + h, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	465 nk_rawfb_stroke_line(rawfb, x, yc, x, yc + hc, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	466
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	467 nk_rawfb_stroke_arc(rawfb, xc + wc - r, y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	468 (unsigned)r2, (unsigned)r2, 0 , line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	469 nk_rawfb_stroke_arc(rawfb, x, y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	470 (unsigned)r2, (unsigned)r2, 90 , line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	471 nk_rawfb_stroke_arc(rawfb, x, yc + hc - r,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	472 (unsigned)r2, (unsigned)r2, 270 , line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	473 nk_rawfb_stroke_arc(rawfb, xc + wc - r, yc + hc - r,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	474 (unsigned)r2, (unsigned)r2, 180 , line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	475 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	476 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	477
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	478 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	479 nk_rawfb_fill_rect(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	480 const short x, const short y, const short w, const short h,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	481 const short r, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	482 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	483 int i;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	484 if (r == 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	485 for (i = 0; i < h; i++)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	486 nk_rawfb_stroke_line(rawfb, x, y + i, x + w, y + i, 1, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	487 } else {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	488 const short xc = x + r;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	489 const short yc = y + r;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	490 const short wc = (short)(w - 2 * r);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	491 const short hc = (short)(h - 2 * r);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	492
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	493 struct nk_vec2i pnts[12];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	494 pnts[0].x = x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	495 pnts[0].y = yc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	496 pnts[1].x = xc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	497 pnts[1].y = yc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	498 pnts[2].x = xc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	499 pnts[2].y = y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	500
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	501 pnts[3].x = xc + wc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	502 pnts[3].y = y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	503 pnts[4].x = xc + wc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	504 pnts[4].y = yc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	505 pnts[5].x = x + w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	506 pnts[5].y = yc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	507
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	508 pnts[6].x = x + w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	509 pnts[6].y = yc + hc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	510 pnts[7].x = xc + wc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	511 pnts[7].y = yc + hc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	512 pnts[8].x = xc + wc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	513 pnts[8].y = y + h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	514
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	515 pnts[9].x = xc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	516 pnts[9].y = y + h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	517 pnts[10].x = xc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	518 pnts[10].y = yc + hc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	519 pnts[11].x = x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	520 pnts[11].y = yc + hc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	521
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	522 nk_rawfb_fill_polygon(rawfb, pnts, 12, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	523
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	524 nk_rawfb_fill_arc(rawfb, xc + wc - r, y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	525 (unsigned)r2, (unsigned)r2, 0 , col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	526 nk_rawfb_fill_arc(rawfb, x, y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	527 (unsigned)r2, (unsigned)r2, 90 , col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	528 nk_rawfb_fill_arc(rawfb, x, yc + hc - r,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	529 (unsigned)r2, (unsigned)r2, 270 , col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	530 nk_rawfb_fill_arc(rawfb, xc + wc - r, yc + hc - r,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	531 (unsigned)r2, (unsigned)r2, 180 , col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	532 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	533 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	534
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	535 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	536 nk_rawfb_fill_triangle(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	537 const short x0, const short y0, const short x1, const short y1,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	538 const short x2, const short y2, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	539 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	540 struct nk_vec2i pnts[3];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	541 pnts[0].x = x0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	542 pnts[0].y = y0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	543 pnts[1].x = x1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	544 pnts[1].y = y1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	545 pnts[2].x = x2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	546 pnts[2].y = y2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	547 nk_rawfb_fill_polygon(rawfb, pnts, 3, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	548 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	549
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	550 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	551 nk_rawfb_stroke_triangle(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	552 const short x0, const short y0, const short x1, const short y1,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	553 const short x2, const short y2, const unsigned short line_thickness,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	554 const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	555 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	556 nk_rawfb_stroke_line(rawfb, x0, y0, x1, y1, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	557 nk_rawfb_stroke_line(rawfb, x1, y1, x2, y2, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	558 nk_rawfb_stroke_line(rawfb, x2, y2, x0, y0, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	559 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	560
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	561 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	562 nk_rawfb_stroke_polygon(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	563 const struct nk_vec2i *pnts, const int count,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	564 const unsigned short line_thickness, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	565 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	566 int i;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	567 for (i = 1; i < count; ++i)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	568 nk_rawfb_stroke_line(rawfb, pnts[i-1].x, pnts[i-1].y, pnts[i].x,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	569 pnts[i].y, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	570 nk_rawfb_stroke_line(rawfb, pnts[count-1].x, pnts[count-1].y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	571 pnts[0].x, pnts[0].y, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	572 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	573
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	574 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	575 nk_rawfb_stroke_polyline(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	576 const struct nk_vec2i *pnts, const int count,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	577 const unsigned short line_thickness, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	578 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	579 int i;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	580 for (i = 0; i < count-1; ++i)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	581 nk_rawfb_stroke_line(rawfb, pnts[i].x, pnts[i].y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	582 pnts[i+1].x, pnts[i+1].y, line_thickness, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	583 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	584
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	585 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	586 nk_rawfb_fill_circle(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	587 short x0, short y0, short w, short h, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	588 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	589 /* Bresenham's ellipses */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	590 const int a2 = (w * w) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	591 const int b2 = (h * h) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	592 const int fa2 = 4 * a2, fb2 = 4 * b2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	593 int x, y, sigma;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	594
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	595 /* Convert upper left to center */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	596 h = (h + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	597 w = (w + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	598 x0 += w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	599 y0 += h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	600
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	601 /* First half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	602 for (x = 0, y = h, sigma = 2b2+a2(1-2h); b2x <= a2*y; x++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	603 nk_rawfb_stroke_line(rawfb, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	604 nk_rawfb_stroke_line(rawfb, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	605 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	606 sigma += fa2 * (1 - y);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	607 y--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	608 } sigma += b2 * ((4 * x) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	609 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	610 /* Second half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	611 for (x = w, y = 0, sigma = 2a2+b2(1-2w); a2y <= b2*x; y++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	612 nk_rawfb_stroke_line(rawfb, x0 - x, y0 + y, x0 + x, y0 + y, 1, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	613 nk_rawfb_stroke_line(rawfb, x0 - x, y0 - y, x0 + x, y0 - y, 1, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	614 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	615 sigma += fb2 * (1 - x);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	616 x--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	617 } sigma += a2 * ((4 * y) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	618 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	619 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	620
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	621 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	622 nk_rawfb_stroke_circle(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	623 short x0, short y0, short w, short h, const short line_thickness,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	624 const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	625 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	626 /* Bresenham's ellipses */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	627 const int a2 = (w * w) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	628 const int b2 = (h * h) / 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	629 const int fa2 = 4 * a2, fb2 = 4 * b2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	630 int x, y, sigma;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	631
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	632 /* Convert upper left to center */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	633 h = (h + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	634 w = (w + 1) / 2;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	635 x0 += w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	636 y0 += h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	637
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	638 /* First half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	639 for (x = 0, y = h, sigma = 2b2+a2(1-2h); b2x <= a2*y; x++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	640 nk_rawfb_setpixel(rawfb, x0 + x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	641 nk_rawfb_setpixel(rawfb, x0 - x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	642 nk_rawfb_setpixel(rawfb, x0 + x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	643 nk_rawfb_setpixel(rawfb, x0 - x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	644 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	645 sigma += fa2 * (1 - y);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	646 y--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	647 } sigma += b2 * ((4 * x) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	648 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	649 /* Second half */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	650 for (x = w, y = 0, sigma = 2a2+b2(1-2w); a2y <= b2*x; y++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	651 nk_rawfb_setpixel(rawfb, x0 + x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	652 nk_rawfb_setpixel(rawfb, x0 - x, y0 + y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	653 nk_rawfb_setpixel(rawfb, x0 + x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	654 nk_rawfb_setpixel(rawfb, x0 - x, y0 - y, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	655 if (sigma >= 0) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	656 sigma += fb2 * (1 - x);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	657 x--;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	658 } sigma += a2 * ((4 * y) + 6);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	659 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	660 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	661
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	662 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	663 nk_rawfb_stroke_curve(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	664 const struct nk_vec2i p1, const struct nk_vec2i p2,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	665 const struct nk_vec2i p3, const struct nk_vec2i p4,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	666 const unsigned int num_segments, const unsigned short line_thickness,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	667 const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	668 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	669 unsigned int i_step, segments;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	670 float t_step;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	671 struct nk_vec2i last = p1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	672
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	673 segments = MAX(num_segments, 1);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	674 t_step = 1.0f/(float)segments;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	675 for (i_step = 1; i_step <= segments; ++i_step) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	676 float t = t_step * (float)i_step;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	677 float u = 1.0f - t;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	678 float w1 = uuu;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	679 float w2 = 3uu*t;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	680 float w3 = 3ut*t;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	681 float w4 = t * t *t;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	682 float x = w1 * p1.x + w2 * p2.x + w3 * p3.x + w4 * p4.x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	683 float y = w1 * p1.y + w2 * p2.y + w3 * p3.y + w4 * p4.y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	684 nk_rawfb_stroke_line(rawfb, last.x, last.y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	685 (short)x, (short)y, line_thickness,col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	686 last.x = (short)x; last.y = (short)y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	687 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	688 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	689
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	690 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	691 nk_rawfb_clear(const struct rawfb_context *rawfb, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	692 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	693 nk_rawfb_fill_rect(rawfb, 0, 0, rawfb->fb.w, rawfb->fb.h, 0, col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	694 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	695
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	696 NK_API struct rawfb_context*
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	697 nk_rawfb_init(void fb, struct nk_context context, const unsigned int w, const unsigned int h,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	698 const unsigned int pitch)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	699 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	700 struct rawfb_context *rawfb;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	701 rawfb = malloc(sizeof(struct rawfb_context));
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	702 if (!rawfb)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	703 return NULL;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	704
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	705 nk_memset(rawfb, 0, sizeof(struct rawfb_context));
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	706 rawfb->font_tex.format = NK_FONT_ATLAS_ALPHA8;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	707 rawfb->font_tex.w = rawfb->font_tex.h = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	708
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	709 rawfb->fb.pixels = fb;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	710 rawfb->fb.w= w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	711 rawfb->fb.h = h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	712
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	713 #if defined(RAWFB_XRGB_8888) \|\| defined(RAWFB_RGBX_8888)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	714 rawfb->fb.format = NK_FONT_ATLAS_RGBA32;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	715 rawfb->fb.pitch = pitch;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	716 #else
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	717 #error Fixme
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	718 #endif
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	719
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	720 rawfb->ctx = context;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	721 nk_rawfb_scissor(rawfb, 0, 0, rawfb->fb.w, rawfb->fb.h);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	722
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	723 return rawfb;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	724 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	725
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	726 NK_API void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	727 nk_rawfb_font_stash_begin(struct rawfb_context rawfb, struct nk_font_atlas *atlas)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	728 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	729 nk_font_atlas_init_default(&rawfb->atlas);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	730 nk_font_atlas_begin(&rawfb->atlas);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	731 *atlas = &rawfb->atlas;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	732 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	733
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	734 NK_API void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	735 nk_rawfb_font_stash_end(struct rawfb_context *rawfb)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	736 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	737 const void *tex;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	738 tex = nk_font_atlas_bake(&rawfb->atlas, &rawfb->font_tex.w, &rawfb->font_tex.h, rawfb->font_tex.format);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	739 if (!tex) return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	740
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	741 switch(rawfb->font_tex.format) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	742 case NK_FONT_ATLAS_ALPHA8:
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	743 rawfb->font_tex.pitch = rawfb->font_tex.w * 1;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	744 break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	745 case NK_FONT_ATLAS_RGBA32:
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	746 rawfb->font_tex.pitch = rawfb->font_tex.w * 4;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	747 break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	748 };
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	749 /* Store the font texture in tex scratch memory */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	750 rawfb->font_tex.pixels = malloc(rawfb->font_tex.pitch * rawfb->font_tex.h);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	751 memcpy(rawfb->font_tex.pixels, tex, rawfb->font_tex.pitch * rawfb->font_tex.h);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	752 nk_font_atlas_end(&rawfb->atlas, nk_handle_ptr(NULL), NULL);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	753 if (rawfb->atlas.default_font)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	754 nk_style_set_font(rawfb->ctx, &rawfb->atlas.default_font->handle);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	755 nk_style_load_all_cursors(rawfb->ctx, rawfb->atlas.cursors);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	756 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	757
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	758 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	759 nk_rawfb_stretch_image(const struct rawfb_image *dst,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	760 const struct rawfb_image src, const struct nk_rect dst_rect,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	761 const struct nk_rect src_rect, const struct nk_rect dst_scissors)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	762 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	763 short i, j;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	764 struct nk_color col;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	765 float xinc = src_rect->w / dst_rect->w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	766 float yinc = src_rect->h / dst_rect->h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	767 float xoff = src_rect->x, yoff = src_rect->y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	768
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	769 /* Simple nearest filtering rescaling */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	770 /* TODO: use bilinear filter */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	771 for (j = 0; j < (short)dst_rect->h; j++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	772 for (i = 0; i < (short)dst_rect->w; i++) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	773 if (dst_scissors) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	774 if (i + (int)(dst_rect->x + 0.5f) < dst_scissors->x \|\| i + (int)(dst_rect->x + 0.5f) >= dst_scissors->w)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	775 continue;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	776 if (j + (int)(dst_rect->y + 0.5f) < dst_scissors->y \|\| j + (int)(dst_rect->y + 0.5f) >= dst_scissors->h)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	777 continue;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	778 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	779 col = nk_image_getpixel(src, (int)xoff, (int) yoff);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	780 nk_image_blendpixel(dst, i + (int)(dst_rect->x + 0.5f), j + (int)(dst_rect->y + 0.5f), col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	781 xoff += xinc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	782 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	783 xoff = src_rect->x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	784 yoff += yinc;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	785 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	786 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	787
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	788 static void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	789 nk_rawfb_font_query_font_glyph(nk_handle handle, const float height,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	790 struct nk_user_font_glyph *glyph, const nk_rune codepoint,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	791 const nk_rune next_codepoint)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	792 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	793 float scale;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	794 const struct nk_font_glyph *g;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	795 struct nk_font *font;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	796 NK_ASSERT(glyph);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	797 NK_UNUSED(next_codepoint);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	798
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	799 font = (struct nk_font*)handle.ptr;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	800 NK_ASSERT(font);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	801 NK_ASSERT(font->glyphs);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	802 if (!font \|\| !glyph)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	803 return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	804
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	805 scale = height/font->info.height;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	806 g = nk_font_find_glyph(font, codepoint);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	807 glyph->width = (g->x1 - g->x0) * scale;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	808 glyph->height = (g->y1 - g->y0) * scale;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	809 glyph->offset = nk_vec2(g->x0 * scale, g->y0 * scale);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	810 glyph->xadvance = (g->xadvance * scale);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	811 glyph->uv[0] = nk_vec2(g->u0, g->v0);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	812 glyph->uv[1] = nk_vec2(g->u1, g->v1);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	813 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	814
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	815 NK_API void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	816 nk_rawfb_draw_text(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	817 const struct nk_user_font *font, const struct nk_rect rect,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	818 const char *text, const int len, const float font_height,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	819 const struct nk_color fg)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	820 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	821 float x = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	822 int text_len = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	823 nk_rune unicode = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	824 nk_rune next = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	825 int glyph_len = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	826 int next_glyph_len = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	827 struct nk_user_font_glyph g;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	828 if (!len \|\| !text) return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	829
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	830 x = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	831 glyph_len = nk_utf_decode(text, &unicode, len);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	832 if (!glyph_len) return;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	833
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	834 /* draw every glyph image */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	835 while (text_len < len && glyph_len) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	836 struct nk_rect src_rect;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	837 struct nk_rect dst_rect;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	838 float char_width = 0;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	839 if (unicode == NK_UTF_INVALID) break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	840
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	841 /* query currently drawn glyph information */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	842 next_glyph_len = nk_utf_decode(text + text_len + glyph_len, &next, (int)len - text_len);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	843 nk_rawfb_font_query_font_glyph(font->userdata, font_height, &g, unicode,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	844 (next == NK_UTF_INVALID) ? '\0' : next);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	845
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	846 /* calculate and draw glyph drawing rectangle and image */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	847 char_width = g.xadvance;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	848 src_rect.x = g.uv[0].x * rawfb->font_tex.w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	849 src_rect.y = g.uv[0].y * rawfb->font_tex.h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	850 src_rect.w = g.uv[1].x * rawfb->font_tex.w - g.uv[0].x * rawfb->font_tex.w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	851 src_rect.h = g.uv[1].y * rawfb->font_tex.h - g.uv[0].y * rawfb->font_tex.h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	852
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	853 dst_rect.x = x + g.offset.x + rect.x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	854 dst_rect.y = g.offset.y + rect.y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	855 dst_rect.w = ceilf(g.width);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	856 dst_rect.h = ceilf(g.height);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	857
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	858 /* TODO: account fg */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	859 /* Use software rescaling to blit glyph from font_text to framebuffer */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	860 nk_rawfb_stretch_image(&rawfb->fb, &rawfb->font_tex, &dst_rect, &src_rect, &rawfb->scissors);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	861
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	862 /* offset next glyph */
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	863 text_len += glyph_len;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	864 x += char_width;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	865 glyph_len = next_glyph_len;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	866 unicode = next;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	867 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	868 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	869
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	870 NK_API void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	871 nk_rawfb_drawimage(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	872 const int x, const int y, const int w, const int h,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	873 const struct nk_image img, const struct nk_color col)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	874 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	875 struct nk_rect src_rect;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	876 struct nk_rect dst_rect;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	877
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	878 const struct rawfb_image *rfb_img = img->handle.ptr;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	879 if (!rfb_img) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	880 rfb_img = &rawfb->font_tex;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	881 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	882
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	883 src_rect.x = img->region[0];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	884 src_rect.y = img->region[1];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	885 if (nk_image_is_subimage(img)) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	886 src_rect.w = img->region[2];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	887 src_rect.h = img->region[3];
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	888 } else {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	889 src_rect.w = rfb_img->w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	890 src_rect.h = rfb_img->h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	891 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	892
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	893 dst_rect.x = x;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	894 dst_rect.y = y;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	895 dst_rect.w = w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	896 dst_rect.h = h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	897 nk_rawfb_stretch_image(&rawfb->fb, rfb_img, &dst_rect, &src_rect, &rawfb->scissors);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	898 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	899
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	900 NK_API void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	901 nk_rawfb_shutdown(struct rawfb_context *rawfb)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	902 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	903 nk_memset(rawfb, 0, sizeof(struct rawfb_context));
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	904 free(rawfb);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	905 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	906
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	907 NK_API void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	908 nk_rawfb_resize_fb(struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	909 void *fb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	910 const unsigned int w,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	911 const unsigned int h,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	912 const unsigned int pitch)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	913 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	914 rawfb->fb.w = w;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	915 rawfb->fb.h = h;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	916 rawfb->fb.pixels = fb;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	917 rawfb->fb.pitch = pitch;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	918 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	919
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	920 NK_API void
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	921 nk_rawfb_render(const struct rawfb_context *rawfb,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	922 const struct nk_color clear,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	923 const unsigned char enable_clear)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	924 {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	925 const struct nk_command *cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	926 if (enable_clear)
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	927 nk_rawfb_clear(rawfb, clear);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	928
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	929 nk_foreach(cmd, rawfb->ctx) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	930 switch (cmd->type) {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	931 case NK_COMMAND_NOP: break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	932 case NK_COMMAND_SCISSOR: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	933 const struct nk_command_scissor s =(const struct nk_command_scissor)cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	934 nk_rawfb_scissor((struct rawfb_context *)rawfb, s->x, s->y, s->w, s->h);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	935 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	936 case NK_COMMAND_LINE: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	937 const struct nk_command_line l = (const struct nk_command_line )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	938 nk_rawfb_stroke_line(rawfb, l->begin.x, l->begin.y, l->end.x,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	939 l->end.y, l->line_thickness, l->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	940 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	941 case NK_COMMAND_RECT: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	942 const struct nk_command_rect r = (const struct nk_command_rect )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	943 nk_rawfb_stroke_rect(rawfb, r->x, r->y, r->w, r->h,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	944 (unsigned short)r->rounding, r->line_thickness, r->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	945 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	946 case NK_COMMAND_RECT_FILLED: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	947 const struct nk_command_rect_filled r = (const struct nk_command_rect_filled )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	948 nk_rawfb_fill_rect(rawfb, r->x, r->y, r->w, r->h,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	949 (unsigned short)r->rounding, r->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	950 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	951 case NK_COMMAND_CIRCLE: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	952 const struct nk_command_circle c = (const struct nk_command_circle )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	953 nk_rawfb_stroke_circle(rawfb, c->x, c->y, c->w, c->h, c->line_thickness, c->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	954 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	955 case NK_COMMAND_CIRCLE_FILLED: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	956 const struct nk_command_circle_filled c = (const struct nk_command_circle_filled )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	957 nk_rawfb_fill_circle(rawfb, c->x, c->y, c->w, c->h, c->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	958 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	959 case NK_COMMAND_TRIANGLE: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	960 const struct nk_command_trianglet = (const struct nk_command_triangle)cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	961 nk_rawfb_stroke_triangle(rawfb, t->a.x, t->a.y, t->b.x, t->b.y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	962 t->c.x, t->c.y, t->line_thickness, t->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	963 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	964 case NK_COMMAND_TRIANGLE_FILLED: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	965 const struct nk_command_triangle_filled t = (const struct nk_command_triangle_filled )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	966 nk_rawfb_fill_triangle(rawfb, t->a.x, t->a.y, t->b.x, t->b.y,
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	967 t->c.x, t->c.y, t->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	968 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	969 case NK_COMMAND_POLYGON: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	970 const struct nk_command_polygon p =(const struct nk_command_polygon)cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	971 nk_rawfb_stroke_polygon(rawfb, p->points, p->point_count, p->line_thickness,p->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	972 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	973 case NK_COMMAND_POLYGON_FILLED: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	974 const struct nk_command_polygon_filled p = (const struct nk_command_polygon_filled )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	975 nk_rawfb_fill_polygon(rawfb, p->points, p->point_count, p->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	976 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	977 case NK_COMMAND_POLYLINE: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	978 const struct nk_command_polyline p = (const struct nk_command_polyline )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	979 nk_rawfb_stroke_polyline(rawfb, p->points, p->point_count, p->line_thickness, p->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	980 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	981 case NK_COMMAND_TEXT: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	982 const struct nk_command_text t = (const struct nk_command_text)cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	983 nk_rawfb_draw_text(rawfb, t->font, nk_rect(t->x, t->y, t->w, t->h),
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	984 t->string, t->length, t->height, t->foreground);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	985 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	986 case NK_COMMAND_CURVE: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	987 const struct nk_command_curve q = (const struct nk_command_curve )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	988 nk_rawfb_stroke_curve(rawfb, q->begin, q->ctrl[0], q->ctrl[1],
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	989 q->end, 22, q->line_thickness, q->color);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	990 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	991 case NK_COMMAND_RECT_MULTI_COLOR:
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	992 case NK_COMMAND_IMAGE: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	993 const struct nk_command_image q = (const struct nk_command_image )cmd;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	994 nk_rawfb_drawimage(rawfb, q->x, q->y, q->w, q->h, &q->img, &q->col);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	995 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	996 case NK_COMMAND_ARC: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	997 assert(0 && "NK_COMMAND_ARC not implemented\n");
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	998 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	999 case NK_COMMAND_ARC_FILLED: {
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1000 assert(0 && "NK_COMMAND_ARC_FILLED not implemented\n");
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1001 } break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1002 default: break;
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1003 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1004 } nk_clear(rawfb->ctx);
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1005 }
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1006 #endif
56a1171e29b9 Allow Nuklear UI to be used when OpenGL is disabled Michael Pavone <pavone@retrodev.com> parents: diff changeset	1007

Mercurial > repos > blastem

annotate nuklear_ui/nuklear_rawfb.h @ 2281:b9fed07f19e4