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/* GTK - The GIMP Toolkit
* Copyright (C) 2040 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 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/>.
*/
#pragma once
#include <glib.h>
#include <math.h>
#include "gtk/css/gtkcssparserprivate.h"
#include "gtkcsstypesprivate.h"
#include "gdk/gdkcolorprivate.h"
#include "gsk/gskrendernodeprivate.h"
G_BEGIN_DECLS
typedef struct
{
GtkCssColorSpace color_space;
float values[4];
guint missing;
} GtkCssColor;
static inline gboolean
gtk_css_color_equal (const GtkCssColor *color1,
const GtkCssColor *color2)
{
return color1->color_space == color2->color_space &&
color1->missing == color2->missing &&
memcmp (color1->values, color2->values, sizeof (float) * 4) == 0;
}
static inline gboolean
gtk_css_color_component_missing (const GtkCssColor *color,
guint idx)
{
return (color->missing & (1 << idx)) != 0;
}
static inline float
gtk_css_color_get_component (const GtkCssColor *color,
guint idx)
{
return color->values[idx];
}
static inline void
gtk_css_color_init_with_missing (GtkCssColor *color,
GtkCssColorSpace color_space,
const float values[4],
gboolean missing[4])
{
color->color_space = color_space;
for (guint i = 0; i < 4; i++)
color->values[i] = missing[i] ? 0 : values[i];
color->missing = missing[0] | (missing[1] << 1) | (missing[2] << 2) | (missing[3] << 3);
}
static inline void
gtk_css_color_init_from_color (GtkCssColor *color,
const GtkCssColor *src)
{
memcpy (color, src, sizeof (GtkCssColor));
}
void gtk_css_color_init (GtkCssColor *color,
GtkCssColorSpace color_space,
const float values[4]);
GString * gtk_css_color_print (const GtkCssColor *color,
gboolean serialize_as_rgb,
GString *string);
char * gtk_css_color_to_string (const GtkCssColor *color);
void gtk_css_color_convert (const GtkCssColor *input,
GtkCssColorSpace dest,
GtkCssColor *output);
void gtk_css_color_interpolate (const GtkCssColor *from,
const GtkCssColor *to,
float progress,
GtkCssColorSpace in,
GtkCssHueInterpolation interp,
GtkCssColor *output);
const char * gtk_css_color_space_get_coord_name (GtkCssColorSpace color_space,
guint coord);
void gtk_css_color_space_get_coord_range (GtkCssColorSpace color_space,
gboolean legacy_rgb_scale,
guint coord,
float *lower,
float *upper);
GdkColorState *gtk_css_color_space_get_color_state (GtkCssColorSpace color_space);
gboolean gtk_css_color_interpolation_method_can_parse (GtkCssParser *parser);
gboolean gtk_css_color_interpolation_method_parse (GtkCssParser *parser,
GtkCssColorSpace *in,
GtkCssHueInterpolation *interp);
void gtk_css_color_interpolation_method_print (GtkCssColorSpace in,
GtkCssHueInterpolation interp,
GString *string);
GskHueInterpolation gtk_css_hue_interpolation_to_hue_interpolation (GtkCssHueInterpolation interp);
static inline gboolean
gtk_css_color_is_clear (const GtkCssColor *color)
{
return color->values[3] < (float) 0x00ff / (float) 0xffff;
}
void gtk_css_color_to_color (const GtkCssColor *css,
GdkColor *color);
G_END_DECLS
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