340 lines
8.5 KiB
C
340 lines
8.5 KiB
C
/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
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/*
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* This file is part of The Croco Library
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*
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2.1 of the GNU Lesser General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*
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* Author: Dodji Seketeli.
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* See COPYRIGHTS file for copyright information.
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*/
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#ifndef __CR_STYLE_H__
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#define __CR_STYLE_H__
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#include "cr-utils.h"
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#include "cr-statement.h"
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#include "cr-fonts.h"
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/**
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*@file
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*The declaration of the #CRStyle class.
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*/
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G_BEGIN_DECLS
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typedef struct _CRStyle CRStyle ;
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enum CRBorderStyle
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{
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BORDER_STYLE_NONE = 0,
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BORDER_STYLE_HIDDEN,
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BORDER_STYLE_DOTTED,
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BORDER_STYLE_DASHED,
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BORDER_STYLE_SOLID,
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BORDER_STYLE_DOUBLE,
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BORDER_STYLE_GROOVE,
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BORDER_STYLE_RIDGE,
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BORDER_STYLE_INSET,
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BORDER_STYLE_OUTSET,
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BORDER_STYLE_INHERIT
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} ;
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enum CRDisplayType
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{
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DISPLAY_NONE,
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DISPLAY_INLINE,
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DISPLAY_BLOCK,
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DISPLAY_LIST_ITEM,
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DISPLAY_RUN_IN,
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DISPLAY_COMPACT,
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DISPLAY_MARKER,
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DISPLAY_TABLE,
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DISPLAY_INLINE_TABLE,
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DISPLAY_TABLE_ROW_GROUP,
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DISPLAY_TABLE_HEADER_GROUP,
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DISPLAY_TABLE_FOOTER_GROUP,
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DISPLAY_TABLE_ROW,
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DISPLAY_TABLE_COLUMN_GROUP,
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DISPLAY_TABLE_COLUMN,
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DISPLAY_TABLE_CELL,
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DISPLAY_TABLE_CAPTION,
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DISPLAY_INHERIT
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} ;
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enum CRPositionType
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{
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POSITION_STATIC,
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POSITION_RELATIVE,
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POSITION_ABSOLUTE,
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POSITION_FIXED,
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POSITION_INHERIT
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} ;
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enum CRFloatType
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{
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FLOAT_NONE,
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FLOAT_LEFT,
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FLOAT_RIGHT,
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FLOAT_INHERIT
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} ;
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enum CRWhiteSpaceType
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{
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WHITE_SPACE_NORMAL,
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WHITE_SPACE_PRE,
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WHITE_SPACE_NOWRAP,
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WHITE_SPACE_INHERIT
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} ;
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#define BORDER_THIN 2
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#define BORDER_MEDIUM 4
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#define BORDER_THICK 6
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/**
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*A numerical css property value.
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*This data type is actually split in 3 parts:
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*1/the specified value
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*2/the computed value
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*3/the actual value.
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*To understand the semantic of these three parts,
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*see css2 spec chap 6.1 ("Specified, computed and actual values.").
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*/
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typedef struct _CRNumPropVal CRNumPropVal ;
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struct _CRNumPropVal
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{
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/**specified value*/
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CRNum sv ;
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/**computed value*/
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CRNum cv ;
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/**actual value*/
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CRNum av ;
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} ;
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/**
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*An rgb css property value.
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*This data type is actually split in 3 parts:
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*1/the specified value
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*2/the computed value
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*3/the actual value.
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*To understand the semantic of these three parts,
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*see css2 spec chap 6.1 ("Specified, computed and actual values.").
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*/
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typedef struct _CRRgbPropVal CRRgbPropVal ;
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struct _CRRgbPropVal
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{
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/**specified value*/
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CRRgb sv ;
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/**computed value*/
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CRRgb cv ;
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/**actual value*/
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CRRgb av ;
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} ;
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enum CRNumProp
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{
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NUM_PROP_TOP=0,
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NUM_PROP_RIGHT,
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NUM_PROP_BOTTOM,
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NUM_PROP_LEFT,/*3*/
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NUM_PROP_PADDING_TOP,
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NUM_PROP_PADDING_RIGHT,
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NUM_PROP_PADDING_BOTTOM,
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NUM_PROP_PADDING_LEFT,/*7*/
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NUM_PROP_BORDER_TOP,
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NUM_PROP_BORDER_RIGHT,
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NUM_PROP_BORDER_BOTTOM,
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NUM_PROP_BORDER_LEFT,/*11*/
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NUM_PROP_MARGIN_TOP,
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NUM_PROP_MARGIN_RIGHT,
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NUM_PROP_MARGIN_BOTTOM,
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NUM_PROP_MARGIN_LEFT,/*15*/
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NUM_PROP_WIDTH,
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/*must be last*/
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NB_NUM_PROPS
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} ;
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enum CRRgbProp
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{
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RGB_PROP_BORDER_TOP_COLOR = 0,
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RGB_PROP_BORDER_RIGHT_COLOR,
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RGB_PROP_BORDER_BOTTOM_COLOR,
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RGB_PROP_BORDER_LEFT_COLOR,
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RGB_PROP_COLOR,
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RGB_PROP_BACKGROUND_COLOR,
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/*must be last*/
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NB_RGB_PROPS
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} ;
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enum CRBorderStyleProp
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{
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BORDER_STYLE_PROP_TOP = 0,
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BORDER_STYLE_PROP_RIGHT,
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BORDER_STYLE_PROP_BOTTOM,
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BORDER_STYLE_PROP_LEFT,
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/*must be last*/
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NB_BORDER_STYLE_PROPS
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} ;
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enum CRBoxOffsetProp
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{
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BOX_OFFSET_PROP_TOP = 0,
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BOX_OFFSET_PROP_RIGHT,
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BOX_OFFSET_PROP_BOTTOM,
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BOX_OFFSET_PROP_LEFT,
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/*must be last*/
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NB_BOX_OFFSET_PROPS
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} ;
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typedef struct _CRFontSizeVal CRFontSizeVal ;
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struct _CRFontSizeVal {
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/*specified value*/
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CRFontSize sv ;
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/*computed value*/
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CRFontSize cv ;
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/*actual value*/
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CRFontSize av ;
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} ;
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/**
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*The css2 style class.
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*Contains computed and actual values
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*inferred from the declarations found
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*in the stylesheets.
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*See css2 spec chapter 6.
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*/
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struct _CRStyle
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{
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/**
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*numerical properties.
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*the properties are indexed by
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*enum #CRNumProp.
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*/
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CRNumPropVal num_props[NB_NUM_PROPS] ;
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/**
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*color properties.
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*They are indexed by enum #CRRgbProp .
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*/
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CRRgbPropVal rgb_props[NB_RGB_PROPS] ;
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/**
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*border style properties.
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*They are indexed by enum #CRBorderStyleProp .
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*/
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enum CRBorderStyle border_style_props[NB_BORDER_STYLE_PROPS] ;
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/**box display type*/
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enum CRDisplayType display ;
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/**the positioning scheme*/
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enum CRPositionType position ;
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/**the float property*/
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enum CRFloatType float_type ;
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/*
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*the 'font-family' property.
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*/
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CRFontFamily *font_family ;
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/**
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*the 'font-size' property.
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*/
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CRFontSizeVal font_size ;
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CRFontSizeAdjust *font_size_adjust ;
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enum CRFontStyle font_style ;
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enum CRFontVariant font_variant ;
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enum CRFontWeight font_weight ;
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enum CRFontStretch font_stretch ;
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/**
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* the 'tex' properties
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*/
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enum CRWhiteSpaceType white_space;
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gboolean inherited_props_resolved ;
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CRStyle *parent_style ;
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gulong ref_count ;
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} ;
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enum CRStatus cr_style_white_space_type_to_string (enum CRWhiteSpaceType a_code,
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GString * a_str, guint a_nb_indent) ;
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enum CRStatus cr_style_num_prop_val_to_string (CRNumPropVal *a_prop_val,
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GString *a_str,
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guint a_nb_indent) ;
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enum CRStatus cr_style_rgb_prop_val_to_string (CRRgbPropVal *a_prop_val,
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GString *a_str,
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guint a_nb_indent) ;
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enum CRStatus cr_style_border_style_to_string (enum CRBorderStyle a_prop,
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GString *a_str,
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guint a_nb_indent) ;
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enum CRStatus cr_style_display_type_to_string (enum CRDisplayType a_code,
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GString *a_str,
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guint a_nb_indent) ;
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enum CRStatus cr_style_position_type_to_string (enum CRPositionType a_code,
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GString *a_str,
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guint a_nb_indent) ;
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enum CRStatus cr_style_float_type_to_string (enum CRFloatType a_code,
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GString *a_str,
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guint a_nb_indent) ;
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CRStyle * cr_style_new (gboolean a_set_props_to_initial_values) ;
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enum CRStatus cr_style_set_props_to_default_values (CRStyle *a_this) ;
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enum CRStatus cr_style_set_props_to_initial_values (CRStyle *a_this) ;
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enum CRStatus cr_style_resolve_inherited_properties (CRStyle *a_this) ;
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enum CRStatus cr_style_propagate_from_parent (CRStyle *a_this);
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enum CRStatus cr_style_set_style_from_decl (CRStyle *a_this,
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CRDeclaration *a_decl) ;
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enum CRStatus cr_style_copy (CRStyle *a_dest, CRStyle *a_src) ;
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enum CRStatus cr_style_ref (CRStyle *a_this) ;
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gboolean cr_style_unref (CRStyle *a_this) ;
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void cr_style_destroy (CRStyle *a_this) ;
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CRStyle * cr_style_dup (CRStyle *a_this) ;
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enum CRStatus cr_style_to_string (CRStyle *a_this,
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GString **a_str,
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guint a_nb_indent) ;
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G_END_DECLS
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#endif /*__CR_STYLE_H__*/
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