47758d16ff
This is all of the original libcroco, minus these two which we don't use: - cr-sel-eng - the CSS selection engine for xmlNode. - cr-style. Part of https://gitlab.gnome.org/GNOME/gnome-shell/issues/1934
316 lines
8.3 KiB
C
316 lines
8.3 KiB
C
/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
|
|
|
|
/*
|
|
* This file is part of The Croco Library
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of version 2.1 of
|
|
* the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the
|
|
* GNU Lesser General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
|
|
* USA
|
|
*
|
|
* Author: Dodji Seketeli
|
|
* See COPYRIGHTS file for copyright information.
|
|
*/
|
|
|
|
#ifndef __CR_FONTS_H__
|
|
#define __CR_FONTS_H__
|
|
|
|
#include "cr-utils.h"
|
|
#include "cr-num.h"
|
|
|
|
/**
|
|
*@file
|
|
*Various type declarations about font selection related
|
|
*properties.
|
|
*/
|
|
G_BEGIN_DECLS
|
|
|
|
|
|
enum CRFontFamilyType
|
|
{
|
|
FONT_FAMILY_SANS_SERIF,
|
|
FONT_FAMILY_SERIF,
|
|
FONT_FAMILY_CURSIVE,
|
|
FONT_FAMILY_FANTASY,
|
|
FONT_FAMILY_MONOSPACE,
|
|
FONT_FAMILY_NON_GENERIC,
|
|
FONT_FAMILY_INHERIT,
|
|
/**/
|
|
NB_FONT_FAMILIE_TYPES
|
|
} ;
|
|
|
|
typedef struct _CRFontFamily CRFontFamily ;
|
|
|
|
struct _CRFontFamily
|
|
{
|
|
enum CRFontFamilyType type ;
|
|
|
|
/*
|
|
*The name of the font family, in case
|
|
*it is non generic.
|
|
*Is set only if the type is FONT_FAMILY_NON_GENERIC.
|
|
*/
|
|
guchar *name ;
|
|
|
|
CRFontFamily *next ;
|
|
CRFontFamily *prev ;
|
|
} ;
|
|
|
|
|
|
/**
|
|
*The different types
|
|
*of absolute font size.
|
|
*This is used by the 'font-size'
|
|
*property defined in css2 spec
|
|
*in chapter 15.2.4 .
|
|
*These values a indexes of
|
|
*table of size so please, do not
|
|
*change their definition order unless
|
|
*you know what you are doing.
|
|
*/
|
|
enum CRPredefinedAbsoluteFontSize
|
|
{
|
|
FONT_SIZE_XX_SMALL=0,
|
|
FONT_SIZE_X_SMALL,
|
|
FONT_SIZE_SMALL,
|
|
FONT_SIZE_MEDIUM,
|
|
FONT_SIZE_LARGE,
|
|
FONT_SIZE_X_LARGE,
|
|
FONT_SIZE_XX_LARGE,
|
|
FONT_SIZE_INHERIT,
|
|
NB_PREDEFINED_ABSOLUTE_FONT_SIZES
|
|
} ;
|
|
|
|
/**
|
|
*The different types
|
|
*of relative font size.
|
|
*This is used by the 'font-size'
|
|
*property defined in css2 spec
|
|
*in chapter 15.2.4 .
|
|
*These values a indexes of
|
|
*table of size so please, do not
|
|
*change their definition order unless
|
|
*you know what you are doing.
|
|
*/
|
|
enum CRRelativeFontSize
|
|
{
|
|
FONT_SIZE_LARGER,
|
|
FONT_SIZE_SMALLER,
|
|
NB_RELATIVE_FONT_SIZE
|
|
} ;
|
|
|
|
/**
|
|
*The type of font-size property.
|
|
*Used to define the type of #CRFontSize .
|
|
*See css2 spec chapter 15.2.4 to understand.
|
|
*/
|
|
enum CRFontSizeType {
|
|
/**
|
|
*If the type of #CRFontSize is
|
|
*PREDEFINED_ABSOLUTE_FONT_SIZE,
|
|
*the CRFontSize::value.predefined_absolute
|
|
*field will be defined.
|
|
*/
|
|
PREDEFINED_ABSOLUTE_FONT_SIZE,
|
|
|
|
/**
|
|
*If the type of #CRFontSize is
|
|
*ABSOLUTE_FONT_SIZE,
|
|
*the CRFontSize::value.absolute
|
|
*field will be defined.
|
|
*/
|
|
ABSOLUTE_FONT_SIZE,
|
|
|
|
/**
|
|
*If the type of #CRFontSize is
|
|
*RELATIVE_FONT_SIZE,
|
|
*the CRFontSize::value.relative
|
|
*field will be defined.
|
|
*/
|
|
RELATIVE_FONT_SIZE,
|
|
|
|
/**
|
|
*If the type of #CRFontSize is
|
|
*INHERITED_FONT_SIZE,
|
|
*the None of the field of the CRFontSize::value enum
|
|
*will be defined.
|
|
*/
|
|
INHERITED_FONT_SIZE,
|
|
|
|
NB_FONT_SIZE_TYPE
|
|
} ;
|
|
|
|
typedef struct _CRFontSize CRFontSize ;
|
|
struct _CRFontSize {
|
|
enum CRFontSizeType type ;
|
|
union {
|
|
enum CRPredefinedAbsoluteFontSize predefined ;
|
|
enum CRRelativeFontSize relative ;
|
|
CRNum absolute ;
|
|
} value;
|
|
} ;
|
|
|
|
enum CRFontSizeAdjustType
|
|
{
|
|
FONT_SIZE_ADJUST_NONE = 0,
|
|
FONT_SIZE_ADJUST_NUMBER,
|
|
FONT_SIZE_ADJUST_INHERIT
|
|
} ;
|
|
typedef struct _CRFontSizeAdjust CRFontSizeAdjust ;
|
|
struct _CRFontSizeAdjust
|
|
{
|
|
enum CRFontSizeAdjustType type ;
|
|
CRNum *num ;
|
|
} ;
|
|
|
|
enum CRFontStyle
|
|
{
|
|
FONT_STYLE_NORMAL=0,
|
|
FONT_STYLE_ITALIC,
|
|
FONT_STYLE_OBLIQUE,
|
|
FONT_STYLE_INHERIT
|
|
} ;
|
|
|
|
enum CRFontVariant
|
|
{
|
|
FONT_VARIANT_NORMAL=0,
|
|
FONT_VARIANT_SMALL_CAPS,
|
|
FONT_VARIANT_INHERIT
|
|
} ;
|
|
|
|
enum CRFontWeight
|
|
{
|
|
FONT_WEIGHT_NORMAL = 1,
|
|
FONT_WEIGHT_BOLD = 1<<1,
|
|
FONT_WEIGHT_BOLDER = 1<<2,
|
|
FONT_WEIGHT_LIGHTER = 1<<3,
|
|
FONT_WEIGHT_100 = 1<<4,
|
|
FONT_WEIGHT_200 = 1<<5,
|
|
FONT_WEIGHT_300 = 1<<6,
|
|
FONT_WEIGHT_400 = 1<<7,
|
|
FONT_WEIGHT_500 = 1<<8,
|
|
FONT_WEIGHT_600 = 1<<9,
|
|
FONT_WEIGHT_700 = 1<<10,
|
|
FONT_WEIGHT_800 = 1<<11,
|
|
FONT_WEIGHT_900 = 1<<12,
|
|
FONT_WEIGHT_INHERIT = 1<<13,
|
|
NB_FONT_WEIGHTS
|
|
} ;
|
|
|
|
enum CRFontStretch
|
|
{
|
|
FONT_STRETCH_NORMAL=0,
|
|
FONT_STRETCH_WIDER,
|
|
FONT_STRETCH_NARROWER,
|
|
FONT_STRETCH_ULTRA_CONDENSED,
|
|
FONT_STRETCH_EXTRA_CONDENSED,
|
|
FONT_STRETCH_CONDENSED,
|
|
FONT_STRETCH_SEMI_CONDENSED,
|
|
FONT_STRETCH_SEMI_EXPANDED,
|
|
FONT_STRETCH_EXPANDED,
|
|
FONT_STRETCH_EXTRA_EXPANDED,
|
|
FONT_STRETCH_ULTRA_EXPANDED,
|
|
FONT_STRETCH_INHERIT
|
|
} ;
|
|
|
|
/**************************************
|
|
*'font-family' manipulation functions
|
|
***************************************/
|
|
CRFontFamily *
|
|
cr_font_family_new (enum CRFontFamilyType a_type, guchar *a_name) ;
|
|
|
|
CRFontFamily *
|
|
cr_font_family_append (CRFontFamily *a_this,
|
|
CRFontFamily *a_family_to_append) ;
|
|
|
|
guchar *
|
|
cr_font_family_to_string (CRFontFamily const *a_this,
|
|
gboolean a_walk_font_family_list) ;
|
|
|
|
CRFontFamily *
|
|
cr_font_family_prepend (CRFontFamily *a_this,
|
|
CRFontFamily *a_family_to_prepend);
|
|
|
|
enum CRStatus
|
|
cr_font_family_destroy (CRFontFamily *a_this) ;
|
|
|
|
enum CRStatus
|
|
cr_font_family_set_name (CRFontFamily *a_this, guchar *a_name) ;
|
|
|
|
|
|
/************************************
|
|
*'font-size' manipulation functions
|
|
***********************************/
|
|
|
|
CRFontSize * cr_font_size_new (void) ;
|
|
|
|
enum CRStatus cr_font_size_clear (CRFontSize *a_this) ;
|
|
|
|
enum CRStatus cr_font_size_copy (CRFontSize *a_dst,
|
|
CRFontSize const *a_src) ;
|
|
enum CRStatus cr_font_size_set_predefined_absolute_font_size (CRFontSize *a_this,
|
|
enum CRPredefinedAbsoluteFontSize a_predefined) ;
|
|
enum CRStatus cr_font_size_set_relative_font_size (CRFontSize *a_this,
|
|
enum CRRelativeFontSize a_relative) ;
|
|
|
|
enum CRStatus cr_font_size_set_absolute_font_size (CRFontSize *a_this,
|
|
enum CRNumType a_num_type,
|
|
gdouble a_value) ;
|
|
|
|
enum CRStatus cr_font_size_set_to_inherit (CRFontSize *a_this) ;
|
|
|
|
gboolean cr_font_size_is_set_to_inherit (CRFontSize const *a_this) ;
|
|
|
|
gchar* cr_font_size_to_string (CRFontSize const *a_this) ;
|
|
|
|
void cr_font_size_destroy (CRFontSize *a_font_size) ;
|
|
|
|
/*******************************************************
|
|
*'font-size-adjust' manipulation function declarations
|
|
*******************************************************/
|
|
|
|
CRFontSizeAdjust * cr_font_size_adjust_new (void) ;
|
|
|
|
gchar * cr_font_size_adjust_to_string (CRFontSizeAdjust const *a_this) ;
|
|
|
|
void cr_font_size_adjust_destroy (CRFontSizeAdjust *a_this) ;
|
|
|
|
void
|
|
cr_font_size_get_smaller_predefined_font_size (enum CRPredefinedAbsoluteFontSize a_font_size,
|
|
enum CRPredefinedAbsoluteFontSize *a_smaller_size) ;
|
|
void
|
|
cr_font_size_get_larger_predefined_font_size (enum CRPredefinedAbsoluteFontSize a_font_size,
|
|
enum CRPredefinedAbsoluteFontSize *a_larger_size) ;
|
|
|
|
gboolean
|
|
cr_font_size_is_predefined_absolute_font_size (enum CRPredefinedAbsoluteFontSize a_font_size) ;
|
|
|
|
/***********************************
|
|
*various other font related functions
|
|
***********************************/
|
|
const gchar * cr_font_style_to_string (enum CRFontStyle a_code) ;
|
|
|
|
const gchar * cr_font_weight_to_string (enum CRFontWeight a_code) ;
|
|
|
|
enum CRFontWeight
|
|
cr_font_weight_get_bolder (enum CRFontWeight a_weight) ;
|
|
|
|
const gchar * cr_font_variant_to_string (enum CRFontVariant a_code) ;
|
|
|
|
const gchar * cr_font_stretch_to_string (enum CRFontStretch a_code) ;
|
|
|
|
G_END_DECLS
|
|
|
|
#endif
|