WebCore/platform/gtk/DragImageGtk.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/gtk/DragImageGtk.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,71 @@
+/*
+ *  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, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "config.h"
+#include "DragImage.h"
+
+#include "CachedImage.h"
+#include "Image.h"
+
+#include <gtk/gtk.h>
+
+namespace WebCore {
+
+IntSize dragImageSize(DragImageRef image)
+{
+    if (image)
+        return IntSize(gdk_pixbuf_get_width(image), gdk_pixbuf_get_height(image));
+
+    return IntSize(0, 0);
+}
+
+void deleteDragImage(DragImageRef image)
+{
+    if (image)
+        g_object_unref(image);
+}
+
+DragImageRef scaleDragImage(DragImageRef image, FloatSize scale)
+{
+    if (image) {
+        IntSize imageSize = dragImageSize(image);
+        GdkPixbuf* scaledImage = gdk_pixbuf_scale_simple(image,
+                                                         imageSize.width() * scale.width(),
+                                                         imageSize.height() * scale.height(),
+                                                         GDK_INTERP_BILINEAR);
+        deleteDragImage(image);
+        return scaledImage;
+    }
+
+    return 0;
+}
+
+DragImageRef dissolveDragImageToFraction(DragImageRef image, float)
+{
+    return image;
+}
+
+DragImageRef createDragImageFromImage(Image* image)
+{
+    return image->getGdkPixbuf();
+}
+
+DragImageRef createDragImageIconForCachedImage(CachedImage*)
+{
+    return 0;
+}
+
+}