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author | Benjamin Otte <otte@redhat.com> | 2015-01-20 01:48:46 +0100 |
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committer | Benjamin Otte <otte@redhat.com> | 2015-01-20 06:30:19 +0100 |
commit | f6d64f65915d7bfe091497fdd5cf90e98115a928 (patch) | |
tree | a22a5c9d34d55dba55493a6b2d32ccd909757c8b /gtk/gtkrendericon.c | |
parent | e697213b35e6fe2bf1bea6b6d51607c1a7241bc1 (diff) | |
download | gtk+-f6d64f65915d7bfe091497fdd5cf90e98115a928.tar.gz |
render: Split icon rendering into its own file
Diffstat (limited to 'gtk/gtkrendericon.c')
-rw-r--r-- | gtk/gtkrendericon.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/gtk/gtkrendericon.c b/gtk/gtkrendericon.c new file mode 100644 index 0000000000..8d8f19502e --- /dev/null +++ b/gtk/gtkrendericon.c @@ -0,0 +1,76 @@ +/* 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); + } + } +} + |