css: Implement CSS 3 linear-gradient() syntax

1 files changed, 65 insertions, 0 deletions

diff --git a/gtk/gtkcssimagelinearprivate.h b/gtk/gtkcssimagelinearprivate.h
new file mode 100644
index 0000000000..67191b1e14
--- /dev/null
+++ b/gtk/gtkcssimagelinearprivate.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright © 2012 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Authors: Benjamin Otte <otte@gnome.org>
+ */
+
+#ifndef __GTK_CSS_IMAGE_LINEAR_PRIVATE_H__
+#define __GTK_CSS_IMAGE_LINEAR_PRIVATE_H__
+
+#include "gtk/gtkcssimageprivate.h"
+
+G_BEGIN_DECLS
+
+#define GTK_TYPE_CSS_IMAGE_LINEAR           (_gtk_css_image_linear_get_type ())
+#define GTK_CSS_IMAGE_LINEAR(obj)           (G_TYPE_CHECK_INSTANCE_CAST (obj, GTK_TYPE_CSS_IMAGE_LINEAR, GtkCssImageLinear))
+#define GTK_CSS_IMAGE_LINEAR_CLASS(cls)     (G_TYPE_CHECK_CLASS_CAST (cls, GTK_TYPE_CSS_IMAGE_LINEAR, GtkCssImageLinearClass))
+#define GTK_IS_CSS_IMAGE_LINEAR(obj)        (G_TYPE_CHECK_INSTANCE_TYPE (obj, GTK_TYPE_CSS_IMAGE_LINEAR))
+#define GTK_IS_CSS_IMAGE_LINEAR_CLASS(obj)  (G_TYPE_CHECK_CLASS_TYPE (obj, GTK_TYPE_CSS_IMAGE_LINEAR))
+#define GTK_CSS_IMAGE_LINEAR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_CSS_IMAGE_LINEAR, GtkCssImageLinearClass))
+
+typedef struct _GtkCssImageLinear           GtkCssImageLinear;
+typedef struct _GtkCssImageLinearClass      GtkCssImageLinearClass;
+typedef struct _GtkCssImageLinearColorStop  GtkCssImageLinearColorStop;
+
+struct _GtkCssImageLinearColorStop {
+  GtkCssNumber        offset;
+  union {
+    GtkSymbolicColor *symbolic;
+    GdkRGBA           rgba;
+  }                   color;
+};
+
+struct _GtkCssImageLinear
+{
+  GtkCssImage parent;
+
+  GtkCssNumber angle; /* warning: We use GTK_CSS_NUMBER as an enum for the corners */
+  GArray *stops;
+  guint is_computed :1;
+};
+
+struct _GtkCssImageLinearClass
+{
+  GtkCssImageClass parent_class;
+};
+
+GType          _gtk_css_image_linear_get_type             (void) G_GNUC_CONST;
+
+G_END_DECLS
+
+#endif /* __GTK_CSS_IMAGE_LINEAR_PRIVATE_H__ */