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1 /***************************************************************************/ | 1 /***************************************************************************/ |
2 /* */ | 2 /* */ |
3 /* ttbdf.c */ | 3 /* ttbdf.c */ |
4 /* */ | 4 /* */ |
5 /* TrueType and OpenType embedded BDF properties (body). */ | 5 /* TrueType and OpenType embedded BDF properties (body). */ |
6 /* */ | 6 /* */ |
7 /* Copyright 2005, 2006, 2010 by */ | 7 /* Copyright 2005, 2006, 2010, 2013 by */ |
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ | 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ |
9 /* */ | 9 /* */ |
10 /* This file is part of the FreeType project, and may only be used, */ | 10 /* This file is part of the FreeType project, and may only be used, */ |
11 /* modified, and distributed under the terms of the FreeType project */ | 11 /* modified, and distributed under the terms of the FreeType project */ |
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ | 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ |
13 /* this file you indicate that you have read the license and */ | 13 /* this file you indicate that you have read the license and */ |
14 /* understand and accept it fully. */ | 14 /* understand and accept it fully. */ |
15 /* */ | 15 /* */ |
16 /***************************************************************************/ | 16 /***************************************************************************/ |
17 | 17 |
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67 FT_Error error; | 67 FT_Error error; |
68 | 68 |
69 | 69 |
70 FT_ZERO( bdf ); | 70 FT_ZERO( bdf ); |
71 | 71 |
72 error = tt_face_goto_table( face, TTAG_BDF, stream, &length ); | 72 error = tt_face_goto_table( face, TTAG_BDF, stream, &length ); |
73 if ( error || | 73 if ( error || |
74 length < 8 || | 74 length < 8 || |
75 FT_FRAME_EXTRACT( length, bdf->table ) ) | 75 FT_FRAME_EXTRACT( length, bdf->table ) ) |
76 { | 76 { |
77 error = SFNT_Err_Invalid_Table; | 77 error = FT_THROW( Invalid_Table ); |
78 goto Exit; | 78 goto Exit; |
79 } | 79 } |
80 | 80 |
81 bdf->table_end = bdf->table + length; | 81 bdf->table_end = bdf->table + length; |
82 | 82 |
83 { | 83 { |
84 FT_Byte* p = bdf->table; | 84 FT_Byte* p = bdf->table; |
85 FT_UInt version = FT_NEXT_USHORT( p ); | 85 FT_UInt version = FT_NEXT_USHORT( p ); |
86 FT_UInt num_strikes = FT_NEXT_USHORT( p ); | 86 FT_UInt num_strikes = FT_NEXT_USHORT( p ); |
87 FT_ULong strings = FT_NEXT_ULONG ( p ); | 87 FT_ULong strings = FT_NEXT_ULONG ( p ); |
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124 } | 124 } |
125 | 125 |
126 bdf->loaded = 1; | 126 bdf->loaded = 1; |
127 | 127 |
128 Exit: | 128 Exit: |
129 return error; | 129 return error; |
130 | 130 |
131 BadTable: | 131 BadTable: |
132 FT_FRAME_RELEASE( bdf->table ); | 132 FT_FRAME_RELEASE( bdf->table ); |
133 FT_ZERO( bdf ); | 133 FT_ZERO( bdf ); |
134 error = SFNT_Err_Invalid_Table; | 134 error = FT_THROW( Invalid_Table ); |
135 goto Exit; | 135 goto Exit; |
136 } | 136 } |
137 | 137 |
138 | 138 |
139 FT_LOCAL_DEF( FT_Error ) | 139 FT_LOCAL_DEF( FT_Error ) |
140 tt_face_find_bdf_prop( TT_Face face, | 140 tt_face_find_bdf_prop( TT_Face face, |
141 const char* property_name, | 141 const char* property_name, |
142 BDF_PropertyRec *aprop ) | 142 BDF_PropertyRec *aprop ) |
143 { | 143 { |
144 TT_BDF bdf = &face->bdf; | 144 TT_BDF bdf = &face->bdf; |
145 FT_Size size = FT_FACE(face)->size; | 145 FT_Size size = FT_FACE(face)->size; |
146 FT_Error error = SFNT_Err_Ok; | 146 FT_Error error = FT_Err_Ok; |
147 FT_Byte* p; | 147 FT_Byte* p; |
148 FT_UInt count; | 148 FT_UInt count; |
149 FT_Byte* strike; | 149 FT_Byte* strike; |
150 FT_Offset property_len; | 150 FT_Offset property_len; |
151 | 151 |
152 | 152 |
153 aprop->type = BDF_PROPERTY_TYPE_NONE; | 153 aprop->type = BDF_PROPERTY_TYPE_NONE; |
154 | 154 |
155 if ( bdf->loaded == 0 ) | 155 if ( bdf->loaded == 0 ) |
156 { | 156 { |
157 error = tt_face_load_bdf_props( face, FT_FACE( face )->stream ); | 157 error = tt_face_load_bdf_props( face, FT_FACE( face )->stream ); |
158 if ( error ) | 158 if ( error ) |
159 goto Exit; | 159 goto Exit; |
160 } | 160 } |
161 | 161 |
162 count = bdf->num_strikes; | 162 count = bdf->num_strikes; |
163 p = bdf->table + 8; | 163 p = bdf->table + 8; |
164 strike = p + 4 * count; | 164 strike = p + 4 * count; |
165 | 165 |
166 error = SFNT_Err_Invalid_Argument; | 166 error = FT_ERR( Invalid_Argument ); |
167 | 167 |
168 if ( size == NULL || property_name == NULL ) | 168 if ( size == NULL || property_name == NULL ) |
169 goto Exit; | 169 goto Exit; |
170 | 170 |
171 property_len = ft_strlen( property_name ); | 171 property_len = ft_strlen( property_name ); |
172 if ( property_len == 0 ) | 172 if ( property_len == 0 ) |
173 goto Exit; | 173 goto Exit; |
174 | 174 |
175 for ( ; count > 0; count-- ) | 175 for ( ; count > 0; count-- ) |
176 { | 176 { |
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208 switch ( type & 0x0F ) | 208 switch ( type & 0x0F ) |
209 { | 209 { |
210 case 0x00: /* string */ | 210 case 0x00: /* string */ |
211 case 0x01: /* atoms */ | 211 case 0x01: /* atoms */ |
212 /* check that the content is really 0-terminated */ | 212 /* check that the content is really 0-terminated */ |
213 if ( value < bdf->strings_size && | 213 if ( value < bdf->strings_size && |
214 ft_memchr( bdf->strings + value, 0, bdf->strings_size ) ) | 214 ft_memchr( bdf->strings + value, 0, bdf->strings_size ) ) |
215 { | 215 { |
216 aprop->type = BDF_PROPERTY_TYPE_ATOM; | 216 aprop->type = BDF_PROPERTY_TYPE_ATOM; |
217 aprop->u.atom = (const char*)bdf->strings + value; | 217 aprop->u.atom = (const char*)bdf->strings + value; |
218 error = SFNT_Err_Ok; | 218 error = FT_Err_Ok; |
219 goto Exit; | 219 goto Exit; |
220 } | 220 } |
221 break; | 221 break; |
222 | 222 |
223 case 0x02: | 223 case 0x02: |
224 aprop->type = BDF_PROPERTY_TYPE_INTEGER; | 224 aprop->type = BDF_PROPERTY_TYPE_INTEGER; |
225 aprop->u.integer = (FT_Int32)value; | 225 aprop->u.integer = (FT_Int32)value; |
226 error = SFNT_Err_Ok; | 226 error = FT_Err_Ok; |
227 goto Exit; | 227 goto Exit; |
228 | 228 |
229 case 0x03: | 229 case 0x03: |
230 aprop->type = BDF_PROPERTY_TYPE_CARDINAL; | 230 aprop->type = BDF_PROPERTY_TYPE_CARDINAL; |
231 aprop->u.cardinal = value; | 231 aprop->u.cardinal = value; |
232 error = SFNT_Err_Ok; | 232 error = FT_Err_Ok; |
233 goto Exit; | 233 goto Exit; |
234 | 234 |
235 default: | 235 default: |
236 ; | 236 ; |
237 } | 237 } |
238 } | 238 } |
239 } | 239 } |
240 p += 10; | 240 p += 10; |
241 } | 241 } |
242 | 242 |
243 Exit: | 243 Exit: |
244 return error; | 244 return error; |
245 } | 245 } |
246 | 246 |
247 #endif /* TT_CONFIG_OPTION_BDF */ | 247 #endif /* TT_CONFIG_OPTION_BDF */ |
248 | 248 |
249 | 249 |
250 /* END */ | 250 /* END */ |
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