annotate png.h @ 2496:187bc857a76a default tip

Fix bug in MED mapper protection bit implementation
author Michael Pavone <pavone@retrodev.com>
date Sun, 28 Apr 2024 23:33:11 -0700
parents eb45ad9d8a3f
children
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1 #ifndef PNG_H_
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2 #define PNG_H_
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3
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4 typedef struct {
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5 uint32_t sequence_number;
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6 uint32_t num_frames;
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7 uint32_t num_frame_offset;
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8 uint16_t delay_num;
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9 uint16_t delay_den;
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10 } apng_state;
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11
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12 void save_png24_frame(FILE *f, uint32_t *buffer, apng_state *apng, uint32_t width, uint32_t height, uint32_t pitch);
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13 void save_png24(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch);
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14 void save_png(FILE *f, uint32_t *buffer, uint32_t width, uint32_t height, uint32_t pitch);
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15 apng_state* start_apng(FILE *f, uint32_t width, uint32_t height, float frame_rate);
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16 void end_apng(FILE *f, apng_state *apng);
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17 uint32_t *load_png(uint8_t *buffer, uint32_t buf_size, uint32_t *width, uint32_t *height);
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18
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19 #endif //PNG_H_