1 /***************************************************************************/ |
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2 /* */ |
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3 /* afindic.c */ |
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4 /* */ |
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5 /* Auto-fitter hinting routines for Indic scripts (body). */ |
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6 /* */ |
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7 /* Copyright 2007, 2011 by */ |
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8 /* Rahul Bhalerao <rahul.bhalerao@redhat.com>, <b.rahul.pm@gmail.com>. */ |
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9 /* */ |
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10 /* This file is part of the FreeType project, and may only be used, */ |
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11 /* modified, and distributed under the terms of the FreeType project */ |
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12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
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13 /* this file you indicate that you have read the license and */ |
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14 /* understand and accept it fully. */ |
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15 /* */ |
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16 /***************************************************************************/ |
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17 |
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18 |
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19 #include "aftypes.h" |
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20 #include "aflatin.h" |
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21 |
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22 |
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23 #ifdef AF_CONFIG_OPTION_INDIC |
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24 |
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25 #include "afindic.h" |
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26 #include "aferrors.h" |
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27 #include "afcjk.h" |
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28 |
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29 |
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30 #ifdef AF_CONFIG_OPTION_USE_WARPER |
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31 #include "afwarp.h" |
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32 #endif |
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33 |
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34 |
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35 static FT_Error |
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36 af_indic_metrics_init( AF_LatinMetrics metrics, |
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37 FT_Face face ) |
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38 { |
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39 /* use CJK routines */ |
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40 return af_cjk_metrics_init( metrics, face ); |
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41 } |
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42 |
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43 |
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44 static void |
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45 af_indic_metrics_scale( AF_LatinMetrics metrics, |
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46 AF_Scaler scaler ) |
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47 { |
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48 /* use CJK routines */ |
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49 af_cjk_metrics_scale( metrics, scaler ); |
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50 } |
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51 |
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52 |
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53 static FT_Error |
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54 af_indic_hints_init( AF_GlyphHints hints, |
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55 AF_LatinMetrics metrics ) |
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56 { |
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57 /* use CJK routines */ |
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58 return af_cjk_hints_init( hints, metrics ); |
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59 } |
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60 |
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61 |
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62 static FT_Error |
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63 af_indic_hints_apply( AF_GlyphHints hints, |
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64 FT_Outline* outline, |
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65 AF_LatinMetrics metrics) |
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66 { |
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67 /* use CJK routines */ |
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68 return af_cjk_hints_apply( hints, outline, metrics ); |
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69 } |
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70 |
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71 |
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72 /*************************************************************************/ |
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73 /*************************************************************************/ |
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74 /***** *****/ |
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75 /***** I N D I C S C R I P T C L A S S *****/ |
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76 /***** *****/ |
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77 /*************************************************************************/ |
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78 /*************************************************************************/ |
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79 |
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80 |
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81 static const AF_Script_UniRangeRec af_indic_uniranges[] = |
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82 { |
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83 #if 0 |
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84 AF_UNIRANGE_REC( 0x0100UL, 0xFFFFUL ), /* why this? */ |
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85 #endif |
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86 AF_UNIRANGE_REC( 0x0900UL, 0x0DFFUL), /* Indic Range */ |
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87 AF_UNIRANGE_REC( 0x0F00UL, 0x0FFFUL), /* Tibetan */ |
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88 AF_UNIRANGE_REC( 0x1900UL, 0x194FUL), /* Limbu */ |
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89 AF_UNIRANGE_REC( 0x1B80UL, 0x1BBFUL), /* Sundanese */ |
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90 AF_UNIRANGE_REC( 0x1C80UL, 0x1CDFUL), /* Meetei Mayak */ |
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91 AF_UNIRANGE_REC( 0xA800UL, 0xA82FUL), /* Syloti Nagri */ |
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92 AF_UNIRANGE_REC( 0x11800UL, 0x118DFUL), /* Sharada */ |
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93 AF_UNIRANGE_REC( 0UL, 0UL) |
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94 }; |
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95 |
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96 |
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97 AF_DEFINE_SCRIPT_CLASS(af_indic_script_class, |
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98 AF_SCRIPT_INDIC, |
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99 af_indic_uniranges, |
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100 |
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101 sizeof( AF_LatinMetricsRec ), |
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102 |
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103 (AF_Script_InitMetricsFunc) af_indic_metrics_init, |
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104 (AF_Script_ScaleMetricsFunc)af_indic_metrics_scale, |
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105 (AF_Script_DoneMetricsFunc) NULL, |
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106 |
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107 (AF_Script_InitHintsFunc) af_indic_hints_init, |
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108 (AF_Script_ApplyHintsFunc) af_indic_hints_apply |
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109 ) |
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110 |
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111 #else /* !AF_CONFIG_OPTION_INDIC */ |
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112 |
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113 static const AF_Script_UniRangeRec af_indic_uniranges[] = |
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114 { |
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115 { 0, 0 } |
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116 }; |
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117 |
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118 |
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119 AF_DEFINE_SCRIPT_CLASS(af_indic_script_class, |
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120 AF_SCRIPT_INDIC, |
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121 af_indic_uniranges, |
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122 |
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123 sizeof( AF_LatinMetricsRec ), |
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124 |
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125 (AF_Script_InitMetricsFunc) NULL, |
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126 (AF_Script_ScaleMetricsFunc)NULL, |
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127 (AF_Script_DoneMetricsFunc) NULL, |
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128 |
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129 (AF_Script_InitHintsFunc) NULL, |
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130 (AF_Script_ApplyHintsFunc) NULL |
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131 ) |
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132 |
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133 #endif /* !AF_CONFIG_OPTION_INDIC */ |
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134 |
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135 |
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136 /* END */ |
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