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| 1 /***************************************************************************/ | |
| 2 /* */ | |
| 3 /* ftbdf.h */ | |
| 4 /* */ | |
| 5 /* FreeType API for accessing BDF-specific strings (specification). */ | |
| 6 /* */ | |
| 7 /* Copyright 2002-2004, 2006, 2009, 2014 by */ | |
| 8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */ | |
| 9 /* */ | |
| 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 */ | |
| 12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ | |
| 13 /* this file you indicate that you have read the license and */ | |
| 14 /* understand and accept it fully. */ | |
| 15 /* */ | |
| 16 /***************************************************************************/ | |
| 17 | |
| 18 | |
| 19 #ifndef __FTBDF_H__ | |
| 20 #define __FTBDF_H__ | |
| 21 | |
| 22 #include <ft2build.h> | |
| 23 #include FT_FREETYPE_H | |
| 24 | |
| 25 #ifdef FREETYPE_H | |
| 26 #error "freetype.h of FreeType 1 has been loaded!" | |
| 27 #error "Please fix the directory search order for header files" | |
| 28 #error "so that freetype.h of FreeType 2 is found first." | |
| 29 #endif | |
| 30 | |
| 31 | |
| 32 FT_BEGIN_HEADER | |
| 33 | |
| 34 | |
| 35 /*************************************************************************/ | |
| 36 /* */ | |
| 37 /* <Section> */ | |
| 38 /* bdf_fonts */ | |
| 39 /* */ | |
| 40 /* <Title> */ | |
| 41 /* BDF and PCF Files */ | |
| 42 /* */ | |
| 43 /* <Abstract> */ | |
| 44 /* BDF and PCF specific API. */ | |
| 45 /* */ | |
| 46 /* <Description> */ | |
| 47 /* This section contains the declaration of functions specific to BDF */ | |
| 48 /* and PCF fonts. */ | |
| 49 /* */ | |
| 50 /*************************************************************************/ | |
| 51 | |
| 52 | |
| 53 /********************************************************************** | |
| 54 * | |
| 55 * @enum: | |
| 56 * BDF_PropertyType | |
| 57 * | |
| 58 * @description: | |
| 59 * A list of BDF property types. | |
| 60 * | |
| 61 * @values: | |
| 62 * BDF_PROPERTY_TYPE_NONE :: | |
| 63 * Value~0 is used to indicate a missing property. | |
| 64 * | |
| 65 * BDF_PROPERTY_TYPE_ATOM :: | |
| 66 * Property is a string atom. | |
| 67 * | |
| 68 * BDF_PROPERTY_TYPE_INTEGER :: | |
| 69 * Property is a 32-bit signed integer. | |
| 70 * | |
| 71 * BDF_PROPERTY_TYPE_CARDINAL :: | |
| 72 * Property is a 32-bit unsigned integer. | |
| 73 */ | |
| 74 typedef enum BDF_PropertyType_ | |
| 75 { | |
| 76 BDF_PROPERTY_TYPE_NONE = 0, | |
| 77 BDF_PROPERTY_TYPE_ATOM = 1, | |
| 78 BDF_PROPERTY_TYPE_INTEGER = 2, | |
| 79 BDF_PROPERTY_TYPE_CARDINAL = 3 | |
| 80 | |
| 81 } BDF_PropertyType; | |
| 82 | |
| 83 | |
| 84 /********************************************************************** | |
| 85 * | |
| 86 * @type: | |
| 87 * BDF_Property | |
| 88 * | |
| 89 * @description: | |
| 90 * A handle to a @BDF_PropertyRec structure to model a given | |
| 91 * BDF/PCF property. | |
| 92 */ | |
| 93 typedef struct BDF_PropertyRec_* BDF_Property; | |
| 94 | |
| 95 | |
| 96 /********************************************************************** | |
| 97 * | |
| 98 * @struct: | |
| 99 * BDF_PropertyRec | |
| 100 * | |
| 101 * @description: | |
| 102 * This structure models a given BDF/PCF property. | |
| 103 * | |
| 104 * @fields: | |
| 105 * type :: | |
| 106 * The property type. | |
| 107 * | |
| 108 * u.atom :: | |
| 109 * The atom string, if type is @BDF_PROPERTY_TYPE_ATOM. May be | |
| 110 * NULL, indicating an empty string. | |
| 111 * | |
| 112 * u.integer :: | |
| 113 * A signed integer, if type is @BDF_PROPERTY_TYPE_INTEGER. | |
| 114 * | |
| 115 * u.cardinal :: | |
| 116 * An unsigned integer, if type is @BDF_PROPERTY_TYPE_CARDINAL. | |
| 117 */ | |
| 118 typedef struct BDF_PropertyRec_ | |
| 119 { | |
| 120 BDF_PropertyType type; | |
| 121 union { | |
| 122 const char* atom; | |
| 123 FT_Int32 integer; | |
| 124 FT_UInt32 cardinal; | |
| 125 | |
| 126 } u; | |
| 127 | |
| 128 } BDF_PropertyRec; | |
| 129 | |
| 130 | |
| 131 /********************************************************************** | |
| 132 * | |
| 133 * @function: | |
| 134 * FT_Get_BDF_Charset_ID | |
| 135 * | |
| 136 * @description: | |
| 137 * Retrieve a BDF font character set identity, according to | |
| 138 * the BDF specification. | |
| 139 * | |
| 140 * @input: | |
| 141 * face :: | |
| 142 * A handle to the input face. | |
| 143 * | |
| 144 * @output: | |
| 145 * acharset_encoding :: | |
| 146 * Charset encoding, as a C~string, owned by the face. | |
| 147 * | |
| 148 * acharset_registry :: | |
| 149 * Charset registry, as a C~string, owned by the face. | |
| 150 * | |
| 151 * @return: | |
| 152 * FreeType error code. 0~means success. | |
| 153 * | |
| 154 * @note: | |
| 155 * This function only works with BDF faces, returning an error otherwise. | |
| 156 */ | |
| 157 FT_EXPORT( FT_Error ) | |
| 158 FT_Get_BDF_Charset_ID( FT_Face face, | |
| 159 const char* *acharset_encoding, | |
| 160 const char* *acharset_registry ); | |
| 161 | |
| 162 | |
| 163 /********************************************************************** | |
| 164 * | |
| 165 * @function: | |
| 166 * FT_Get_BDF_Property | |
| 167 * | |
| 168 * @description: | |
| 169 * Retrieve a BDF property from a BDF or PCF font file. | |
| 170 * | |
| 171 * @input: | |
| 172 * face :: A handle to the input face. | |
| 173 * | |
| 174 * name :: The property name. | |
| 175 * | |
| 176 * @output: | |
| 177 * aproperty :: The property. | |
| 178 * | |
| 179 * @return: | |
| 180 * FreeType error code. 0~means success. | |
| 181 * | |
| 182 * @note: | |
| 183 * This function works with BDF _and_ PCF fonts. It returns an error | |
| 184 * otherwise. It also returns an error if the property is not in the | |
| 185 * font. | |
| 186 * | |
| 187 * A `property' is a either key-value pair within the STARTPROPERTIES | |
| 188 * ... ENDPROPERTIES block of a BDF font or a key-value pair from the | |
| 189 * `info->props' array within a `FontRec' structure of a PCF font. | |
| 190 * | |
| 191 * Integer properties are always stored as `signed' within PCF fonts; | |
| 192 * consequently, @BDF_PROPERTY_TYPE_CARDINAL is a possible return value | |
| 193 * for BDF fonts only. | |
| 194 * | |
| 195 * In case of error, `aproperty->type' is always set to | |
| 196 * @BDF_PROPERTY_TYPE_NONE. | |
| 197 */ | |
| 198 FT_EXPORT( FT_Error ) | |
| 199 FT_Get_BDF_Property( FT_Face face, | |
| 200 const char* prop_name, | |
| 201 BDF_PropertyRec *aproperty ); | |
| 202 | |
| 203 /* */ | |
| 204 | |
| 205 FT_END_HEADER | |
| 206 | |
| 207 #endif /* __FTBDF_H__ */ | |
| 208 | |
| 209 | |
| 210 /* END */ | |
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Chromium Code Reviews
Issue 1416993005:
Merge to XFA: Update bundled freetype to 2.6.1 (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@xfa