1/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */ 2 3/* 4 * This file is part of The Croco Library 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of version 2.1 of 8 * the GNU General Public 9 * License as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the 17 * GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 20 * USA 21 * 22 * Author: Dodji Seketeli 23 * See COPYRIGHTS file for copyright information. 24 */ 25 26#ifndef __CR_FONTS_H__ 27#define __CR_FONTS_H__ 28 29#include "cr-utils.h" 30#include "cr-num.h" 31 32/** 33 *@file 34 *Various type declarations about font selection related 35 *properties. 36 */ 37G_BEGIN_DECLS 38 39 40enum CRFontFamilyType 41{ 42 FONT_FAMILY_SANS_SERIF, 43 FONT_FAMILY_SERIF, 44 FONT_FAMILY_CURSIVE, 45 FONT_FAMILY_FANTASY, 46 FONT_FAMILY_MONOSPACE, 47 FONT_FAMILY_NON_GENERIC, 48 FONT_FAMILY_INHERIT, 49 /**/ 50 NB_FONT_FAMILIE_TYPES 51} ; 52 53typedef struct _CRFontFamily CRFontFamily ; 54 55struct _CRFontFamily 56{ 57 enum CRFontFamilyType type ; 58 59 /* 60 *The name of the font family, in case 61 *it is non generic. 62 *Is set only if the type is FONT_FAMILY_NON_GENERIC. 63 */ 64 guchar *name ; 65 66 CRFontFamily *next ; 67 CRFontFamily *prev ; 68} ; 69 70 71/** 72 *The different types 73 *of absolute font size. 74 *This is used by the 'font-size' 75 *property defined in css2 spec 76 *in chapter 15.2.4 . 77 *These values a indexes of 78 *table of size so please, do not 79 *change their definition order unless 80 *you know what you are doing. 81 */ 82enum CRPredefinedAbsoluteFontSize 83{ 84 FONT_SIZE_XX_SMALL=0, 85 FONT_SIZE_X_SMALL, 86 FONT_SIZE_SMALL, 87 FONT_SIZE_MEDIUM, 88 FONT_SIZE_LARGE, 89 FONT_SIZE_X_LARGE, 90 FONT_SIZE_XX_LARGE, 91 FONT_SIZE_INHERIT, 92 NB_PREDEFINED_ABSOLUTE_FONT_SIZES 93} ; 94 95/** 96 *The different types 97 *of relative font size. 98 *This is used by the 'font-size' 99 *property defined in css2 spec 100 *in chapter 15.2.4 . 101 *These values a indexes of 102 *table of size so please, do not 103 *change their definition order unless 104 *you know what you are doing. 105 */ 106enum CRRelativeFontSize 107{ 108 FONT_SIZE_LARGER, 109 FONT_SIZE_SMALLER, 110 NB_RELATIVE_FONT_SIZE 111} ; 112 113/** 114 *The type of font-size property. 115 *Used to define the type of #CRFontSize . 116 *See css2 spec chapter 15.2.4 to understand. 117 */ 118enum CRFontSizeType { 119 /** 120 *If the type of #CRFontSize is 121 *PREDEFINED_ABSOLUTE_FONT_SIZE, 122 *the CRFontSize::value.predefined_absolute 123 *field will be defined. 124 */ 125 PREDEFINED_ABSOLUTE_FONT_SIZE, 126 127 /** 128 *If the type of #CRFontSize is 129 *ABSOLUTE_FONT_SIZE, 130 *the CRFontSize::value.absolute 131 *field will be defined. 132 */ 133 ABSOLUTE_FONT_SIZE, 134 135 /** 136 *If the type of #CRFontSize is 137 *RELATIVE_FONT_SIZE, 138 *the CRFontSize::value.relative 139 *field will be defined. 140 */ 141 RELATIVE_FONT_SIZE, 142 143 /** 144 *If the type of #CRFontSize is 145 *INHERITED_FONT_SIZE, 146 *the None of the field of the CRFontSize::value enum 147 *will be defined. 148 */ 149 INHERITED_FONT_SIZE, 150 151 NB_FONT_SIZE_TYPE 152} ; 153 154typedef struct _CRFontSize CRFontSize ; 155struct _CRFontSize { 156 enum CRFontSizeType type ; 157 union { 158 enum CRPredefinedAbsoluteFontSize predefined ; 159 enum CRRelativeFontSize relative ; 160 CRNum absolute ; 161 } value; 162} ; 163 164enum CRFontSizeAdjustType 165{ 166 FONT_SIZE_ADJUST_NONE = 0, 167 FONT_SIZE_ADJUST_NUMBER, 168 FONT_SIZE_ADJUST_INHERIT 169} ; 170typedef struct _CRFontSizeAdjust CRFontSizeAdjust ; 171struct _CRFontSizeAdjust 172{ 173 enum CRFontSizeAdjustType type ; 174 CRNum *num ; 175} ; 176 177enum CRFontStyle 178{ 179 FONT_STYLE_NORMAL=0, 180 FONT_STYLE_ITALIC, 181 FONT_STYLE_OBLIQUE, 182 FONT_STYLE_INHERIT 183} ; 184 185enum CRFontVariant 186{ 187 FONT_VARIANT_NORMAL=0, 188 FONT_VARIANT_SMALL_CAPS, 189 FONT_VARIANT_INHERIT 190} ; 191 192enum CRFontWeight 193{ 194 FONT_WEIGHT_NORMAL = 1, 195 FONT_WEIGHT_BOLD = 1<<1, 196 FONT_WEIGHT_BOLDER = 1<<2, 197 FONT_WEIGHT_LIGHTER = 1<<3, 198 FONT_WEIGHT_100 = 1<<4, 199 FONT_WEIGHT_200 = 1<<5, 200 FONT_WEIGHT_300 = 1<<6, 201 FONT_WEIGHT_400 = 1<<7, 202 FONT_WEIGHT_500 = 1<<8, 203 FONT_WEIGHT_600 = 1<<9, 204 FONT_WEIGHT_700 = 1<<10, 205 FONT_WEIGHT_800 = 1<<11, 206 FONT_WEIGHT_900 = 1<<12, 207 FONT_WEIGHT_INHERIT = 1<<13, 208 NB_FONT_WEIGHTS 209} ; 210 211enum CRFontStretch 212{ 213 FONT_STRETCH_NORMAL=0, 214 FONT_STRETCH_WIDER, 215 FONT_STRETCH_NARROWER, 216 FONT_STRETCH_ULTRA_CONDENSED, 217 FONT_STRETCH_EXTRA_CONDENSED, 218 FONT_STRETCH_CONDENSED, 219 FONT_STRETCH_SEMI_CONDENSED, 220 FONT_STRETCH_SEMI_EXPANDED, 221 FONT_STRETCH_EXPANDED, 222 FONT_STRETCH_EXTRA_EXPANDED, 223 FONT_STRETCH_ULTRA_EXPANDED, 224 FONT_STRETCH_INHERIT 225} ; 226 227/************************************** 228 *'font-family' manipulation functions 229 ***************************************/ 230CRFontFamily * 231cr_font_family_new (enum CRFontFamilyType a_type, guchar *a_name) ; 232 233CRFontFamily * 234cr_font_family_append (CRFontFamily *a_this, 235 CRFontFamily *a_family_to_append) ; 236 237guchar * 238cr_font_family_to_string (CRFontFamily *a_this, 239 gboolean a_walk_font_family_list) ; 240 241CRFontFamily * 242cr_font_family_prepend (CRFontFamily *a_this, 243 CRFontFamily *a_family_to_prepend); 244 245enum CRStatus 246cr_font_family_destroy (CRFontFamily *a_this) ; 247 248enum CRStatus 249cr_font_family_set_name (CRFontFamily *a_this, guchar *a_name) ; 250 251 252/************************************ 253 *'font-size' manipulation functions 254 ***********************************/ 255 256CRFontSize * cr_font_size_new (void) ; 257 258enum CRStatus cr_font_size_clear (CRFontSize *a_this) ; 259 260enum CRStatus cr_font_size_copy (CRFontSize *a_dst, 261 CRFontSize *a_src) ; 262enum CRStatus cr_font_size_set_predefined_absolute_font_size (CRFontSize *a_this, 263 enum CRPredefinedAbsoluteFontSize a_predefined) ; 264enum CRStatus cr_font_size_set_relative_font_size (CRFontSize *a_this, 265 enum CRRelativeFontSize a_relative) ; 266 267enum CRStatus cr_font_size_set_absolute_font_size (CRFontSize *a_this, 268 enum CRNumType a_num_type, 269 gdouble a_value) ; 270 271enum CRStatus cr_font_size_set_to_inherit (CRFontSize *a_this) ; 272 273gboolean cr_font_size_is_set_to_inherit (CRFontSize *a_this) ; 274 275gchar* cr_font_size_to_string (CRFontSize *a_this) ; 276 277void cr_font_size_destroy (CRFontSize *a_font_size) ; 278 279/******************************************************* 280 *'font-size-adjust' manipulation function declarations 281 *******************************************************/ 282 283CRFontSizeAdjust * cr_font_size_adjust_new (void) ; 284 285gchar * cr_font_size_adjust_to_string (CRFontSizeAdjust *a_this) ; 286 287void cr_font_size_adjust_destroy (CRFontSizeAdjust *a_this) ; 288 289void 290cr_font_size_get_smaller_predefined_font_size (enum CRPredefinedAbsoluteFontSize a_font_size, 291 enum CRPredefinedAbsoluteFontSize *a_smaller_size) ; 292void 293cr_font_size_get_larger_predefined_font_size (enum CRPredefinedAbsoluteFontSize a_font_size, 294 enum CRPredefinedAbsoluteFontSize *a_larger_size) ; 295 296gboolean 297cr_font_size_is_predefined_absolute_font_size (enum CRPredefinedAbsoluteFontSize a_font_size) ; 298 299/*********************************** 300 *various other font related functions 301 ***********************************/ 302const gchar * cr_font_style_to_string (enum CRFontStyle a_code) ; 303 304const gchar * cr_font_weight_to_string (enum CRFontWeight a_code) ; 305 306enum CRFontWeight 307cr_font_weight_get_bolder (enum CRFontWeight a_weight) ; 308 309const gchar * cr_font_variant_to_string (enum CRFontVariant a_code) ; 310 311const gchar * cr_font_stretch_to_string (enum CRFontStretch a_code) ; 312 313G_END_DECLS 314 315#endif /* __CR_FONTS_H__ */ 316