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Added binding for SDL_SetTextureColorMod and SDL_GetTextureColorMod and updated the Freetype sample to use it for setting the color of text
author Michael Pavone <pavone@retrodev.com>
date Sun, 29 Mar 2015 09:43:24 -0700
parents c1fad3d93861
children
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1 {
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2 _helper <- #{
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3 includeSystemHeader: "ft2build.h"
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4 includeSystemHeader: FT_FREETYPE_H
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5 llMessage: newFace withVars: {
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6 libOpaque <- cpointer ptr
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7 opath <- object ptr
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8 oindex <- object ptr
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9 path <- string ptr
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10 index <- obj_int32 ptr
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11 faceOpaque <- cpointer ptr
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12 rescode <- int32_t
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13 } andCode: :libOpaque opath oindex {
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14 path <- (mcall: string 1 opath) castTo: (string ptr)
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15 index <- (mcall: int32 1 oindex) castTo: (obj_int32 ptr)
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16 faceOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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17 rescode <- FT_New_Face: (libOpaque val) (path data) (index num) ((addr_of: (faceOpaque val)) castTo: (FT_Face ptr))
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18 if: rescode = 0 {
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19 mcall: value 2 option faceOpaque
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20 } else: {
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21 mcall: none 1 option
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22 }
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23 }
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24
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25 llMessage: getFirstChar withVars: {
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26 opaque <- cpointer ptr
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27 glyphIndex <- obj_uint32 ptr
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28 charCode <- obj_uint32 ptr
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29 makeChar <- lambda ptr
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30 } andCode: :opaque makeChar {
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31 glyphIndex <- make_object: (addr_of: obj_uint32_meta) NULL 0
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32 charCode <- make_object: (addr_of: obj_uint32_meta) NULL 0
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33 charCode num!: (FT_Get_First_Char: (opaque val) (addr_of: (glyphIndex num)))
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34 ccall: makeChar 2 charCode glyphIndex
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35 }
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36
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37 llMessage: getNextChar withVars: {
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38 opaque <- cpointer ptr
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39 ocurChar <- object ptr
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40 curChar <- obj_uint32 ptr
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41 glyphIndex <- obj_uint32 ptr
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42 charCode <- obj_uint32 ptr
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43 makeChar <- lambda ptr
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44 } andCode: :opaque ocurChar makeChar {
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45 curChar <- (mcall: uint32 1 ocurChar) castTo: (obj_uint32 ptr)
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46 glyphIndex <- make_object: (addr_of: obj_uint32_meta) NULL 0
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47 charCode <- make_object: (addr_of: obj_uint32_meta) NULL 0
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48 charCode num!: (FT_Get_Next_Char: (opaque val) (curChar num) (addr_of: (glyphIndex num)))
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49 ccall: makeChar 2 charCode glyphIndex
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50 }
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51 }
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52
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53 _makeSlot <- :opaque {
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54 #{
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55 llProperty: slot withType: FT_GlyphSlot
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56 llMessage: _ptr_init withVars: {
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57 opaque <- cpointer ptr
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58 } andCode: :opaque {
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59 slot <- opaque val
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60 self
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61 }
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62
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63 llMessage: linearHoriAdvance withVars: {
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64 intret <- obj_int32 ptr
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65 } andCode: {
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66 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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67 intret num!: (slot linearHoriAdvance)
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68 intret
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69 }
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70
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71 llMessage: linearVertAdvance withVars: {
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72 intret <- obj_int32 ptr
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73 } andCode: {
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74 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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75 intret num!: (slot linearVertAdvance)
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76 intret
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77 }
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78
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79 llMessage: bitmapTop withVars: {
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80 intret <- obj_int32 ptr
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81 } andCode: {
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82 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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83 intret num!: (slot bitmap_top)
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84 intret
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85 }
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86
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87 llMessage: bitmapLeft withVars: {
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88 intret <- obj_int32 ptr
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89 } andCode: {
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90 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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91 intret num!: (slot bitmap_left)
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92 intret
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93 }
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94
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95 llMessage: bitmapRows withVars: {
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96 uintret <- obj_uint32 ptr
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97 } andCode: {
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98 uintret <- make_object: (addr_of: obj_uint32_meta) NULL 0
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99 uintret num!: ((addr_of: (slot bitmap)) rows)
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100 uintret
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101 }
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102
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103 llMessage: bitmapWidth withVars: {
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104 uintret <- obj_uint32 ptr
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105 } andCode: {
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106 uintret <- make_object: (addr_of: obj_uint32_meta) NULL 0
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107 uintret num!: ((addr_of: (slot bitmap)) width)
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108 uintret
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109 }
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110
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111 llMessage: bitmapPitch withVars: {
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112 intret <- obj_int32 ptr
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113 } andCode: {
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114 intret <- make_object: (addr_of: obj_uint32_meta) NULL 0
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115 intret num!: ((addr_of: (slot bitmap)) pitch)
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116 intret
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117 }
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118
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119 llMessage: bitmapData withVars: {
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120 opaque <- cpointer ptr
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121 size <- obj_int32 ptr
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122 } andCode: {
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123 opaque <- make_object: (addr_of: cpointer_meta) NULL 0
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124 opaque val!: ((addr_of: (slot bitmap)) buffer)
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125 size <- make_object: (addr_of: obj_int32_meta) NULL 0
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126 size num!: ((addr_of: (slot bitmap)) rows) * ((addr_of: (slot bitmap)) pitch)
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127 mcall: fromOpaque:withSize 3 bytearray opaque size
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128 }
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129
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130 llMessage: renderGlyph withVars: {
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131 omode <- object ptr
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132 mode <- obj_uint32 ptr
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133 intret <- obj_int32 ptr
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134 } andCode: :omode {
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135 mode <- (mcall: uint32 1 omode) castTo: (obj_uint32 ptr)
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136 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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137 intret num!: (FT_Render_Glyph: slot (mode num))
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138 intret
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139 }
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140 } _ptr_init: opaque
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141 }
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142
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143 _makeChar <- :_charcode _glyph {
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144 #{
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145 charcode <- _charcode
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146 glyph <- _glyph
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147 }
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148 }
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149 _makeFace <- :opaque {
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150 #{
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151 llProperty: face withType: FT_Face
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152 llProperty: makeSlot withType: (lambda ptr)
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153 llMessage: _ptr_init withVars: {
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154 opaque <- cpointer ptr
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155 makeSlotLambda <- lambda ptr
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156 } andCode: :opaque makeSlotLambda {
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157 face <- opaque val
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158 makeSlot <- makeSlotLambda
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159 self
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160 }
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161
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162 llMessage: faceOpaque withVars: {
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163 opaque <- cpointer ptr
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164 } andCode: {
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165 opaque <- make_object: (addr_of: cpointer_meta) NULL 0
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166 opaque val!: face
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167 opaque
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168 }
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169
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170 llMessage: setCharWidth:height:hRes:vRes withVars: {
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171 ohsize <- object ptr
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172 hsize <- obj_float32 ptr
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173 ovsize <- object ptr
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174 vsize <- obj_float32 ptr
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175 ohres <- object ptr
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176 hres <- obj_int32 ptr
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177 ovres <- object ptr
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178 vres <- obj_int32 ptr
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179 intret <- obj_int32 ptr
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180 } andCode: :ohsize ovsize :ohres :ovres {
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181 hsize <- (mcall: f32 1 ohsize) castTo: (obj_float32 ptr)
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182 vsize <- (mcall: f32 1 ovsize) castTo: (obj_float32 ptr)
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183 hres <- (mcall: int32 1 ohres) castTo: (obj_int32 ptr)
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184 vres <- (mcall: int32 1 ovres) castTo: (obj_int32 ptr)
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185 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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186 intret num!: (FT_Set_Char_Size: face (hsize num) * 64 (vsize num) * 64 (hres num) (vres num))
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187 intret
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188 }
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189
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190 setCharSize:res <- :size :res {
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191 setCharWidth: size height: size hRes: res vRes: res
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192 }
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193
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194 llMessage: getCharIndex withVars: {
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195 ocharcode <- object ptr
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196 charcode <- obj_uint32 ptr
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197 uintret <- obj_uint32 ptr
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198 } andCode: :ocharcode {
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199 charcode <- (mcall: uint32 1 ocharcode) castTo: (obj_uint32 ptr)
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200 uintret <- make_object: (addr_of: obj_uint32_meta) NULL 0
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201 uintret num!: (FT_Get_Char_Index: face (charcode num))
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202 uintret
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203 }
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204
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205 llMessage: loadGlyph:flags withVars: {
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206 oindex <- object ptr
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207 index <- obj_uint32 ptr
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208 oflags <- object ptr
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209 flags <- obj_uint32 ptr
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210 intret <- obj_int32 ptr
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211 } andCode: :oindex :oflags {
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212 index <- (mcall: uint32 1 oindex) castTo: (obj_uint32 ptr)
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213 flags <- (mcall: uint32 1 oflags) castTo: (obj_uint32 ptr)
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214 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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215 intret num!: (FT_Load_Glyph: face (index num) (flags num))
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216 intret
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217 }
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218
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219 llMessage: glyphSlot withVars: {
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220 opaque <- cpointer ptr
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221 } andCode: {
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222 opaque <- make_object: (addr_of: cpointer_meta) NULL 0
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223 opaque val!: (face glyph)
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224 ccall: makeSlot 1 opaque
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225 }
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226
326
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227 llMessage: unitsPerEm withVars: {
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228 u16ret <- obj_uint16 ptr
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229 } andCode: {
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230 u16ret <- make_object: (addr_of: obj_uint16_meta) NULL 0
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231 u16ret num!: (face units_per_EM)
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232 u16ret
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233 }
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234
328
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235 llMessage: hasKerning? withVars: {
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236 ret <- object ptr
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237 } andCode: {
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238 if: (FT_HAS_KERNING: face) {
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239 true
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240 } else {
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241 false
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242 }
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243 }
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244
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245 llMessage: getKerning:mode withVars: {
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246 oleft <- object ptr
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247 oright <- object ptr
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248 omode <- object ptr
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249 left <- obj_uint32 ptr
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250 right <- obj_uint32 ptr
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251 mode <- obj_uint32 ptr
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252 x <- obj_int32 ptr
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253 y <- obj_int32 ptr
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254 ret <- object ptr
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255 kernVec <- FT_Vector
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256 err <- int
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257 } andCode: :oleft oright :omode {
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258 left <- (mcall: uint32 1 oleft) castTo: (obj_uint32 ptr)
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259 right <- (mcall: uint32 1 oright) castTo: (obj_uint32 ptr)
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260 mode <- (mcall: uint32 1 omode) castTo: (obj_uint32 ptr)
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261 err <- FT_Get_Kerning: face (left num) (right num) (mode num) (addr_of: kernVec)
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262 if: err != 0 {
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263 mcall: none 1 option
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264 } else: {
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265 x <- make_object: (addr_of: obj_int32_meta) NULL 0
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266 y <- make_object: (addr_of: obj_int32_meta) NULL 0
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267 x num!: ((addr_of: kernVec) x)
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268 y num!: ((addr_of: kernVec) y)
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269 ret <- mcall: x:y 3 vec x y
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270 mcall: value 2 option ret
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271 }
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272 }
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273
321
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274 firstChar <- {
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275 _helper getFirstChar: faceOpaque _makeChar
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276 }
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277
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278 nextChar <- :curChar {
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279 _helper getNextChar: faceOpaque curChar _makeChar
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280 }
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281
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282 charmap <- {
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283 d <- dict hash
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284 char <- firstChar
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285 d set: (char charcode) (char glyph)
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286 while: { (char glyph) != 0u32 } do: {
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287 char <- nextChar: (char charcode)
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288 d set: (char charcode) (char glyph)
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289 }
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290 d
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291 }
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292 } _ptr_init: opaque _makeSlot
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293 }
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294
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295 _constant <- macro: :name cname {
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296 quote: (llMessage: name withVars: {
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297 uintret <- obj_uint32 ptr
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298 } andCode: {
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299 uintret <- make_object: (addr_of: obj_uint32_meta) NULL 0
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300 uintret num!: cname
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301 uintret
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302 })
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303 }
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304
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305 _loadFlags <- #{
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306 _constant: default FT_LOAD_DEFAULT
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307 _constant: noScale FT_LOAD_NO_SCALE
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308 _constant: noHinting FT_LOAD_NO_HINTING
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309 _constant: render FT_LOAD_RENDER
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310 _constant: noBitmap FT_LOAD_NO_BITMAP
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311 _constant: verticalLayout FT_LOAD_VERTICAL_LAYOUT
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312 _constant: forceAuthohint FT_LOAD_FORCE_AUTOHINT
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313 _constant: pedantic FT_LOAD_PEDANTIC
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314 _constant: noRecurse FT_LOAD_NO_RECURSE
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315 _constant: ignoreTransform FT_LOAD_IGNORE_TRANSFORM
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316 _constant: monochrome FT_LOAD_MONOCHROME
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317 _constant: linearDesign FT_LOAD_LINEAR_DESIGN
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318 _constant: noAutohint FT_LOAD_NO_AUTOHINT
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319 _constant: color FT_LOAD_COLOR
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320 }
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321
328
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322 _kerning <- #{
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323 _constant: default FT_KERNING_DEFAULT
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324 _constant: unfitted FT_KERNING_UNFITTED
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325 _constant: unscaled FT_KERNING_UNSCALED
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326 }
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327
321
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328 #{
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329 init <- {
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330
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331 #{
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332 includeSystemHeader: "ft2build.h"
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333 includeSystemHeader: FT_FREETYPE_H
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334 llProperty: library withType: FT_Library
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335
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336 llMessage: _init withVars: {
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337 } andCode: {
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338 FT_Init_FreeType: (addr_of: library)
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339 self
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340 }
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341
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342 llMessage: libraryOpaque withVars: {
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343 libOpaque <- cpointer ptr
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344 } andCode: {
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345 libOpaque <- make_object: (addr_of: cpointer_meta) NULL 0
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346 libOpaque val!: library
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347 libOpaque
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348 }
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349
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350 faceFromPath:index <- :path :index {
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351 (_helper newFace: libraryOpaque path index) value: :opaque {
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352 option value: (_makeFace: opaque)
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353 } none: {
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354 option none
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355 }
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356 }
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357
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358 llMessage: destroy withVars: {
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359 } andCode: {
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360 FT_Done_FreeType: library
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361 self
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362 }
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363 } _init
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364 }
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365
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366 loadFlags <- { _loadFlags }
328
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367 kerning <- { _kerning }
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368 }
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369 }