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/* 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 "gtkcssfiltervalueprivate.h"
#include "gtkcssimagevalueprivate.h"
#include "gtkcssshadowvalueprivate.h"
#include "gtkcssstyleprivate.h"
#include "gtkcsstransformvalueprivate.h"
#include "gtkiconthemeprivate.h"
#include "gtksnapshot.h"
#include "gtksymbolicpaintable.h"
#include "gsktransform.h"
#include <math.h>
void
gtk_css_style_snapshot_icon (GtkCssStyle *style,
GtkSnapshot *snapshot,
double width,
double height)
{
GskTransform *transform;
GtkCssImage *image;
gboolean has_shadow;
g_return_if_fail (GTK_IS_CSS_STYLE (style));
g_return_if_fail (snapshot != NULL);
if (width == 0.0 || height == 0.0)
return;
image = _gtk_css_image_value_get_image (style->other->icon_source);
if (image == NULL)
return;
transform = gtk_css_transform_value_get_transform (style->other->icon_transform);
gtk_snapshot_push_debug (snapshot, "CSS Icon @ %gx%g", width, height);
gtk_css_filter_value_push_snapshot (style->other->icon_filter, snapshot);
has_shadow = gtk_css_shadow_value_push_snapshot (style->icon->icon_shadow, snapshot);
if (transform == NULL)
{
gtk_css_image_snapshot (image, snapshot, width, height);
}
else
{
gtk_snapshot_save (snapshot);
/* XXX: Implement -gtk-icon-transform-origin instead of hardcoding "50% 50%" here */
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (width / 2.0, height / 2.0));
gtk_snapshot_transform (snapshot, transform);
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (- width / 2.0, - height / 2.0));
gtk_css_image_snapshot (image, snapshot, width, height);
gtk_snapshot_restore (snapshot);
}
if (has_shadow)
gtk_snapshot_pop (snapshot);
gtk_css_filter_value_pop_snapshot (style->other->icon_filter, snapshot);
gtk_snapshot_pop (snapshot);
gsk_transform_unref (transform);
}
void
gtk_css_style_snapshot_icon_paintable (GtkCssStyle *style,
GtkSnapshot *snapshot,
GdkPaintable *paintable,
double width,
double height)
{
GskTransform *transform;
gboolean has_shadow;
gboolean is_symbolic_paintable;
GdkRGBA colors[4];
g_return_if_fail (GTK_IS_CSS_STYLE (style));
g_return_if_fail (snapshot != NULL);
g_return_if_fail (GDK_IS_PAINTABLE (paintable));
g_return_if_fail (width > 0);
g_return_if_fail (height > 0);
transform = gtk_css_transform_value_get_transform (style->other->icon_transform);
gtk_css_filter_value_push_snapshot (style->other->icon_filter, snapshot);
has_shadow = gtk_css_shadow_value_push_snapshot (style->icon->icon_shadow, snapshot);
is_symbolic_paintable = GTK_IS_SYMBOLIC_PAINTABLE (paintable);
if (is_symbolic_paintable)
{
gtk_icon_theme_lookup_symbolic_colors (style, colors);
if (gdk_rgba_is_clear (&colors[0]))
goto transparent;
}
if (transform == NULL)
{
if (is_symbolic_paintable)
gtk_symbolic_paintable_snapshot_symbolic (GTK_SYMBOLIC_PAINTABLE (paintable), snapshot, width, height, colors, G_N_ELEMENTS (colors));
else
gdk_paintable_snapshot (paintable, snapshot, width, height);
}
else
{
gtk_snapshot_save (snapshot);
/* XXX: Implement -gtk-icon-transform-origin instead of hardcoding "50% 50%" here */
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (width / 2.0, height / 2.0));
gtk_snapshot_transform (snapshot, transform);
gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (- width / 2.0, - height / 2.0));
if (is_symbolic_paintable)
gtk_symbolic_paintable_snapshot_symbolic (GTK_SYMBOLIC_PAINTABLE (paintable), snapshot, width, height, colors, G_N_ELEMENTS (colors));
else
gdk_paintable_snapshot (paintable, snapshot, width, height);
gtk_snapshot_restore (snapshot);
}
transparent:
if (has_shadow)
gtk_snapshot_pop (snapshot);
gtk_css_filter_value_pop_snapshot (style->other->icon_filter, snapshot);
gsk_transform_unref (transform);
}
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