gtk2/gtk/gtkrendericon.c
2015-01-20 06:30:19 +01:00

77 lines
2.7 KiB
C

/* GTK - The GIMP Toolkit
* Copyright (C) 2014,2015 Benjamin Otte
*
* Authors: Benjamin Otte <otte@gnome.org>
*
* 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/>.
*/
#include "config.h"
#include "gtkrendericonprivate.h"
#include "gtkcssimagevalueprivate.h"
#include "gtkcssshadowsvalueprivate.h"
#include "gtkcssstyleprivate.h"
#include "gtkcsstransformvalueprivate.h"
void
gtk_css_style_render_icon (GtkCssStyle *style,
cairo_t *cr,
double x,
double y,
double width,
double height,
GtkCssImageBuiltinType builtin_type)
{
const GtkCssValue *shadows;
cairo_matrix_t matrix, transform_matrix;
GtkCssImage *image;
g_return_if_fail (GTK_IS_CSS_STYLE (style));
g_return_if_fail (cr != NULL);
image = _gtk_css_image_value_get_image (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_SOURCE));
if (image == NULL)
return;
shadows = gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_SHADOW);
cairo_translate (cr, x, y);
if (_gtk_css_transform_value_get_matrix (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_ICON_TRANSFORM), &transform_matrix))
{
/* XXX: Implement -gtk-icon-transform-origin instead of hardcoding "50% 50%" here */
cairo_matrix_init_translate (&matrix, width / 2, height / 2);
cairo_matrix_multiply (&matrix, &transform_matrix, &matrix);
cairo_matrix_translate (&matrix, - width / 2, - height / 2);
if (_gtk_css_shadows_value_is_none (shadows))
{
cairo_transform (cr, &matrix);
gtk_css_image_builtin_draw (image, cr, width, height, builtin_type);
}
else
{
cairo_push_group (cr);
cairo_transform (cr, &matrix);
gtk_css_image_builtin_draw (image, cr, width, height, builtin_type);
cairo_pop_group_to_source (cr);
_gtk_css_shadows_value_paint_icon (shadows, cr);
cairo_paint (cr);
}
}
}