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/*
* Copyright © 2012 Red Hat Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Alexander Larsson <alexl@gnome.org>
*/
#pragma once
#include <gtk/css/gtkcss.h>
#include "gtk/css/gtkcsstokenizerprivate.h"
#include "gtk/css/gtkcssparserprivate.h"
#include "gtkcsstypesprivate.h"
#include "gtkcssvalueprivate.h"
#include "gtkcsscolorprivate.h"
G_BEGIN_DECLS
typedef enum /*< skip >*/ {
GTK_CSS_POSITIVE_ONLY = (1 << 0),
GTK_CSS_PARSE_PERCENT = (1 << 1),
GTK_CSS_PARSE_NUMBER = (1 << 2),
GTK_CSS_PARSE_LENGTH = (1 << 3),
GTK_CSS_PARSE_ANGLE = (1 << 4),
GTK_CSS_PARSE_TIME = (1 << 5)
} GtkCssNumberParseFlags;
typedef struct
{
/* Context needed when parsing numbers */
GtkCssValue *color;
GtkCssColorSpace color_space;
gboolean legacy_rgb_scale; /* r, g, b must be scaled to 255 */
} GtkCssNumberParseContext;
#define GTK_CSS_PARSE_DIMENSION (GTK_CSS_PARSE_LENGTH|GTK_CSS_PARSE_ANGLE|GTK_CSS_PARSE_TIME)
GtkCssValue * gtk_css_dimension_value_new (double value,
GtkCssUnit unit);
GtkCssValue * gtk_css_number_value_new (double value,
GtkCssUnit unit);
gboolean gtk_css_number_value_can_parse (GtkCssParser *parser);
GtkCssValue * gtk_css_number_value_parse (GtkCssParser *parser,
GtkCssNumberParseFlags flags);
GtkCssValue * gtk_css_number_value_parse_with_context (GtkCssParser *parser,
GtkCssNumberParseFlags flags,
GtkCssNumberParseContext *context);
GtkCssDimension gtk_css_number_value_get_dimension (const GtkCssValue *value) G_GNUC_PURE;
gboolean gtk_css_number_value_has_percent (const GtkCssValue *value) G_GNUC_PURE;
GtkCssValue * gtk_css_number_value_multiply (GtkCssValue *value,
double factor);
GtkCssValue * gtk_css_number_value_add (GtkCssValue *value1,
GtkCssValue *value2);
GtkCssValue * gtk_css_number_value_try_add (GtkCssValue *value1,
GtkCssValue *value2);
double gtk_css_number_value_get (const GtkCssValue *number,
double one_hundred_percent) G_GNUC_PURE;
double gtk_css_number_value_get_canonical (GtkCssValue *number,
double one_hundred_percent) G_GNUC_PURE;
gboolean gtk_css_dimension_value_is_zero (const GtkCssValue *value) G_GNUC_PURE;
GtkCssValue * gtk_css_number_value_new_color_component (GtkCssValue *color,
GtkCssColorSpace color_space,
gboolean legacy_srgb,
guint coord);
enum {
ROUND_NEAREST,
ROUND_UP,
ROUND_DOWN,
ROUND_TO_ZERO,
};
GtkCssValue * gtk_css_math_value_new (guint type,
guint mode,
GtkCssValue **values,
guint n_values);
G_END_DECLS
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