1 /***************************************************************************/ |
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2 /* */ |
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3 /* t1parse.h */ |
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4 /* */ |
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5 /* Type 1 parser (specification). */ |
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6 /* */ |
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7 /* Copyright 1996-2001, 2002, 2003, 2008 by */ |
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8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
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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 #ifndef __T1PARSE_H__ |
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20 #define __T1PARSE_H__ |
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21 |
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22 |
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23 #include <ft2build.h> |
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24 #include FT_INTERNAL_TYPE1_TYPES_H |
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25 #include FT_INTERNAL_STREAM_H |
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26 |
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27 |
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28 FT_BEGIN_HEADER |
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29 |
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30 |
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31 /*************************************************************************/ |
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32 /* */ |
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33 /* <Struct> */ |
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34 /* T1_ParserRec */ |
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35 /* */ |
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36 /* <Description> */ |
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37 /* A PS_ParserRec is an object used to parse a Type 1 fonts very */ |
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38 /* quickly. */ |
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39 /* */ |
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40 /* <Fields> */ |
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41 /* root :: The root parser. */ |
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42 /* */ |
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43 /* stream :: The current input stream. */ |
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44 /* */ |
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45 /* base_dict :: A pointer to the top-level dictionary. */ |
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46 /* */ |
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47 /* base_len :: The length in bytes of the top dictionary. */ |
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48 /* */ |
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49 /* private_dict :: A pointer to the private dictionary. */ |
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50 /* */ |
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51 /* private_len :: The length in bytes of the private dictionary. */ |
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52 /* */ |
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53 /* in_pfb :: A boolean. Indicates that we are handling a PFB */ |
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54 /* file. */ |
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55 /* */ |
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56 /* in_memory :: A boolean. Indicates a memory-based stream. */ |
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57 /* */ |
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58 /* single_block :: A boolean. Indicates that the private dictionary */ |
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59 /* is stored in lieu of the base dictionary. */ |
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60 /* */ |
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61 typedef struct T1_ParserRec_ |
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62 { |
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63 PS_ParserRec root; |
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64 FT_Stream stream; |
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65 |
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66 FT_Byte* base_dict; |
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67 FT_ULong base_len; |
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68 |
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69 FT_Byte* private_dict; |
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70 FT_ULong private_len; |
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71 |
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72 FT_Bool in_pfb; |
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73 FT_Bool in_memory; |
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74 FT_Bool single_block; |
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75 |
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76 } T1_ParserRec, *T1_Parser; |
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77 |
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78 |
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79 #define T1_Add_Table( p, i, o, l ) (p)->funcs.add( (p), i, o, l ) |
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80 #define T1_Done_Table( p ) \ |
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81 do \ |
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82 { \ |
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83 if ( (p)->funcs.done ) \ |
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84 (p)->funcs.done( p ); \ |
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85 } while ( 0 ) |
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86 #define T1_Release_Table( p ) \ |
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87 do \ |
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88 { \ |
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89 if ( (p)->funcs.release ) \ |
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90 (p)->funcs.release( p ); \ |
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91 } while ( 0 ) |
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92 |
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93 |
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94 #define T1_Skip_Spaces( p ) (p)->root.funcs.skip_spaces( &(p)->root ) |
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95 #define T1_Skip_PS_Token( p ) (p)->root.funcs.skip_PS_token( &(p)->root ) |
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96 |
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97 #define T1_ToInt( p ) (p)->root.funcs.to_int( &(p)->root ) |
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98 #define T1_ToFixed( p, t ) (p)->root.funcs.to_fixed( &(p)->root, t ) |
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99 |
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100 #define T1_ToCoordArray( p, m, c ) \ |
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101 (p)->root.funcs.to_coord_array( &(p)->root, m, c ) |
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102 #define T1_ToFixedArray( p, m, f, t ) \ |
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103 (p)->root.funcs.to_fixed_array( &(p)->root, m, f, t ) |
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104 #define T1_ToToken( p, t ) \ |
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105 (p)->root.funcs.to_token( &(p)->root, t ) |
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106 #define T1_ToTokenArray( p, t, m, c ) \ |
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107 (p)->root.funcs.to_token_array( &(p)->root, t, m, c ) |
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108 |
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109 #define T1_Load_Field( p, f, o, m, pf ) \ |
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110 (p)->root.funcs.load_field( &(p)->root, f, o, m, pf ) |
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111 |
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112 #define T1_Load_Field_Table( p, f, o, m, pf ) \ |
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113 (p)->root.funcs.load_field_table( &(p)->root, f, o, m, pf ) |
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114 |
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115 |
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116 FT_LOCAL( FT_Error ) |
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117 T1_New_Parser( T1_Parser parser, |
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118 FT_Stream stream, |
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119 FT_Memory memory, |
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120 PSAux_Service psaux ); |
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121 |
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122 FT_LOCAL( FT_Error ) |
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123 T1_Get_Private_Dict( T1_Parser parser, |
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124 PSAux_Service psaux ); |
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125 |
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126 FT_LOCAL( void ) |
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127 T1_Finalize_Parser( T1_Parser parser ); |
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128 |
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129 |
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130 FT_END_HEADER |
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131 |
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132 #endif /* __T1PARSE_H__ */ |
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133 |
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134 |
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135 /* END */ |
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