forked from AuroraMiddleware/gtk
156 lines
4.9 KiB
C
156 lines
4.9 KiB
C
/* GTK - The GIMP Toolkit
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* Copyright (C) 2014,2015 Benjamin Otte
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*
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* Authors: Benjamin Otte <otte@gnome.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser 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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "gtkrendericonprivate.h"
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#include "gtkcssfiltervalueprivate.h"
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#include "gtkcssimagevalueprivate.h"
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#include "gtkcssshadowvalueprivate.h"
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#include "gtkcssstyleprivate.h"
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#include "gtkcsstransformvalueprivate.h"
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#include "gtkiconthemeprivate.h"
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#include "gtksnapshot.h"
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#include "gsktransform.h"
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#include <math.h>
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void
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gtk_css_style_snapshot_icon (GtkCssStyle *style,
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GtkSnapshot *snapshot,
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double width,
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double height)
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{
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GskTransform *transform;
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GtkCssImage *image;
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gboolean has_shadow;
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g_return_if_fail (GTK_IS_CSS_STYLE (style));
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g_return_if_fail (snapshot != NULL);
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if (width == 0.0 || height == 0.0)
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return;
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image = _gtk_css_image_value_get_image (style->other->icon_source);
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if (image == NULL)
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return;
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transform = gtk_css_transform_value_get_transform (style->other->icon_transform);
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gtk_snapshot_push_debug (snapshot, "CSS Icon @ %gx%g", width, height);
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gtk_css_filter_value_push_snapshot (style->other->icon_filter, snapshot);
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has_shadow = gtk_css_shadow_value_push_snapshot (style->icon->icon_shadow, snapshot);
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if (transform == NULL)
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{
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gtk_css_image_snapshot (image, snapshot, width, height);
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}
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else
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{
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gtk_snapshot_save (snapshot);
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/* XXX: Implement -gtk-icon-transform-origin instead of hardcoding "50% 50%" here */
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gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (width / 2.0, height / 2.0));
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gtk_snapshot_transform (snapshot, transform);
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gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (- width / 2.0, - height / 2.0));
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gtk_css_image_snapshot (image, snapshot, width, height);
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gtk_snapshot_restore (snapshot);
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}
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if (has_shadow)
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gtk_snapshot_pop (snapshot);
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gtk_css_filter_value_pop_snapshot (style->other->icon_filter, snapshot);
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gtk_snapshot_pop (snapshot);
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gsk_transform_unref (transform);
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}
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void
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gtk_css_style_snapshot_icon_paintable (GtkCssStyle *style,
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GtkSnapshot *snapshot,
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GdkPaintable *paintable,
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double width,
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double height)
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{
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GskTransform *transform;
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gboolean has_shadow;
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gboolean is_icon_paintable;
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GdkRGBA fg, sc, wc, ec;
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g_return_if_fail (GTK_IS_CSS_STYLE (style));
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g_return_if_fail (snapshot != NULL);
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g_return_if_fail (GDK_IS_PAINTABLE (paintable));
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g_return_if_fail (width > 0);
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g_return_if_fail (height > 0);
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transform = gtk_css_transform_value_get_transform (style->other->icon_transform);
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gtk_css_filter_value_push_snapshot (style->other->icon_filter, snapshot);
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has_shadow = gtk_css_shadow_value_push_snapshot (style->icon->icon_shadow, snapshot);
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is_icon_paintable = GTK_IS_ICON_PAINTABLE (paintable);
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if (is_icon_paintable)
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{
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gtk_icon_theme_lookup_symbolic_colors (style, &fg, &sc, &wc, &ec);
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if (fg.alpha == 0.0f)
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goto transparent;
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}
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if (transform == NULL)
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{
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if (is_icon_paintable)
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gtk_icon_paintable_snapshot_with_colors (GTK_ICON_PAINTABLE (paintable), snapshot, width, height, &fg, &sc, &wc, &ec);
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else
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gdk_paintable_snapshot (paintable, snapshot, width, height);
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}
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else
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{
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gtk_snapshot_save (snapshot);
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/* XXX: Implement -gtk-icon-transform-origin instead of hardcoding "50% 50%" here */
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gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (width / 2.0, height / 2.0));
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gtk_snapshot_transform (snapshot, transform);
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gtk_snapshot_translate (snapshot, &GRAPHENE_POINT_INIT (- width / 2.0, - height / 2.0));
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if (is_icon_paintable)
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gtk_icon_paintable_snapshot_with_colors (GTK_ICON_PAINTABLE (paintable), snapshot, width, height, &fg, &sc, &wc, &ec);
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else
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gdk_paintable_snapshot (paintable, snapshot, width, height);
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gtk_snapshot_restore (snapshot);
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}
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transparent:
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if (has_shadow)
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gtk_snapshot_pop (snapshot);
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gtk_css_filter_value_pop_snapshot (style->other->icon_filter, snapshot);
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gsk_transform_unref (transform);
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}
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