--- /dev/null
+/*
+ * Copyright © 2013 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 2.1 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/>.
+ *
+ * Authors: Alexander Larsson <alexl@gnome.org>
+ */
+
+#include "config.h"
+
+#include "gtkcssimagescaledprivate.h"
+
+G_DEFINE_TYPE (GtkCssImageScaled, _gtk_css_image_scaled, GTK_TYPE_CSS_IMAGE)
+
+static int
+gtk_css_image_scaled_get_width (GtkCssImage *image)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
+
+ return _gtk_css_image_get_width (scaled->images[scaled->scale - 1]) / scaled->scale;
+}
+
+static int
+gtk_css_image_scaled_get_height (GtkCssImage *image)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
+
+ return _gtk_css_image_get_height (scaled->images[scaled->scale - 1]) / scaled->scale;
+}
+
+static double
+gtk_css_image_scaled_get_aspect_ratio (GtkCssImage *image)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
+
+ return _gtk_css_image_get_aspect_ratio (scaled->images[scaled->scale - 1]);
+}
+
+static void
+gtk_css_image_scaled_draw (GtkCssImage *image,
+ cairo_t *cr,
+ double width,
+ double height)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
+
+ _gtk_css_image_draw (scaled->images[scaled->scale - 1], cr, width, height);
+}
+
+static void
+gtk_css_image_scaled_print (GtkCssImage *image,
+ GString *string)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
+ int i;
+
+ g_string_append (string, "-gtk-scaled(");
+ for (i = 0; i < scaled->n_images; i++)
+ {
+ _gtk_css_image_print (scaled->images[i], string);
+ if (i != scaled->n_images - 1)
+ g_string_append (string, ",");
+ }
+ g_string_append (string, ")");
+}
+
+static void
+gtk_css_image_scaled_dispose (GObject *object)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (object);
+ int i;
+
+ for (i = 0; i < scaled->n_images; i++)
+ g_object_unref (scaled->images[i]);
+ g_free (scaled->images);
+ scaled->images = NULL;
+
+ G_OBJECT_CLASS (_gtk_css_image_scaled_parent_class)->dispose (object);
+}
+
+
+static GtkCssImage *
+gtk_css_image_scaled_compute (GtkCssImage *image,
+ guint property_id,
+ GtkStyleProviderPrivate *provider,
+ int scale,
+ GtkCssComputedValues *values,
+ GtkCssComputedValues *parent_values,
+ GtkCssDependencies *dependencies)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
+ GtkCssImageScaled *copy;
+ int i;
+
+ scale = MAX(MIN (scale, scaled->n_images), 1);
+
+ if (scaled->scale == scale)
+ return g_object_ref (scaled);
+ else
+ {
+ copy = g_object_new (_gtk_css_image_scaled_get_type (), NULL);
+ copy->scale = scale;
+ copy->n_images = scaled->n_images;
+ copy->images = g_new (GtkCssImage *, scaled->n_images);
+ for (i = 0; i < scaled->n_images; i++)
+ {
+ if (i == scale - 1)
+ copy->images[i] = _gtk_css_image_compute (scaled->images[i],
+ property_id,
+ provider,
+ scale,
+ values,
+ parent_values,
+ dependencies);
+ else
+ copy->images[i] = g_object_ref (scaled->images[i]);
+ }
+
+ return GTK_CSS_IMAGE (copy);
+ }
+}
+
+static gboolean
+gtk_css_image_scaled_parse (GtkCssImage *image,
+ GtkCssParser *parser)
+{
+ GtkCssImageScaled *scaled = GTK_CSS_IMAGE_SCALED (image);
+ GPtrArray *images;
+ GtkCssImage *child;
+
+ if (!_gtk_css_parser_try (parser, "-gtk-scaled", TRUE))
+ {
+ _gtk_css_parser_error (parser, "'-gtk-scaled'");
+ return FALSE;
+ }
+
+ if (!_gtk_css_parser_try (parser, "(", TRUE))
+ {
+ _gtk_css_parser_error (parser,
+ "Expected '(' after '-gtk-scaled'");
+ return FALSE;
+ }
+
+ images = g_ptr_array_new_with_free_func (g_object_unref);
+
+ do
+ {
+ child = _gtk_css_image_new_parse (parser);
+ if (child == NULL)
+ {
+ g_ptr_array_free (images, TRUE);
+ return FALSE;
+ }
+ g_ptr_array_add (images, child);
+
+ }
+ while ( _gtk_css_parser_try (parser, ",", TRUE));
+
+ if (!_gtk_css_parser_try (parser, ")", TRUE))
+ {
+ g_ptr_array_free (images, TRUE);
+ _gtk_css_parser_error (parser,
+ "Expected ')' at end of '-gtk-scaled'");
+ return FALSE;
+ }
+
+ scaled->n_images = images->len;
+ scaled->images = (GtkCssImage **) g_ptr_array_free (images, FALSE);
+
+ return TRUE;
+}
+
+static void
+_gtk_css_image_scaled_class_init (GtkCssImageScaledClass *klass)
+{
+ GtkCssImageClass *image_class = GTK_CSS_IMAGE_CLASS (klass);
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ image_class->get_width = gtk_css_image_scaled_get_width;
+ image_class->get_height = gtk_css_image_scaled_get_height;
+ image_class->get_aspect_ratio = gtk_css_image_scaled_get_aspect_ratio;
+ image_class->draw = gtk_css_image_scaled_draw;
+ image_class->parse = gtk_css_image_scaled_parse;
+ image_class->compute = gtk_css_image_scaled_compute;
+ image_class->print = gtk_css_image_scaled_print;
+
+ object_class->dispose = gtk_css_image_scaled_dispose;
+}
+
+static void
+_gtk_css_image_scaled_init (GtkCssImageScaled *image_scaled)
+{
+ image_scaled->scale = 1;
+}
--- /dev/null
+/*
+ * Copyright © 2013 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 2.1 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/>.
+ *
+ * Authors: Alexander Larsson <alexl@gnome.org>
+ */
+
+#ifndef __GTK_CSS_IMAGE_SCALED_PRIVATE_H__
+#define __GTK_CSS_IMAGE_SCALED_PRIVATE_H__
+
+#include "gtk/gtkcssimageprivate.h"
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_CSS_IMAGE_SCALED (_gtk_css_image_scaled_get_type ())
+#define GTK_CSS_IMAGE_SCALED(obj) (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_IMAGE_SCALED, GtkCssImageScaled))
+#define GTK_CSS_IMAGE_SCALED_CLASS(cls) (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_IMAGE_SCALED, GtkCssImageScaledClass))
+#define GTK_IS_CSS_IMAGE_SCALED(obj) (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_IMAGE_SCALED))
+#define GTK_IS_CSS_IMAGE_SCALED_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_IMAGE_SCALED))
+#define GTK_CSS_IMAGE_SCALED_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_IMAGE_SCALED, GtkCssImageScaledClass))
+
+typedef struct _GtkCssImageScaled GtkCssImageScaled;
+typedef struct _GtkCssImageScaledClass GtkCssImageScaledClass;
+
+struct _GtkCssImageScaled
+{
+ GtkCssImage parent;
+
+ int scale;
+ GtkCssImage **images;
+ int n_images;
+};
+
+struct _GtkCssImageScaledClass
+{
+ GtkCssImageClass parent_class;
+};
+
+GType _gtk_css_image_scaled_get_type (void) G_GNUC_CONST;
+
+G_END_DECLS
+
+#endif /* __GTK_CSS_IMAGE_SCALED_PRIVATE_H__ */
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