1 files changed, 41 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/transforms/TranslateTransformOperation.cpp b/WebCore/platform/graphics/transforms/TranslateTransformOperation.cpp
new file mode 100644
index 0000000..47471c4
--- /dev/null
+++ b/WebCore/platform/graphics/transforms/TranslateTransformOperation.cpp
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "TranslateTransformOperation.h"
+
+namespace WebCore {
+
+PassRefPtr<TransformOperation> TranslateTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity)
+{
+    if (from && !from->isSameType(*this))
+        return this;
+    
+    if (blendToIdentity)
+        return TranslateTransformOperation::create(Length(m_x.type()).blend(m_x, progress), Length(m_y.type()).blend(m_y, progress), m_type);
+
+    const TranslateTransformOperation* fromOp = static_cast<const TranslateTransformOperation*>(from);
+    Length fromX = fromOp ? fromOp->m_x : Length(m_x.type());
+    Length fromY = fromOp ? fromOp->m_y : Length(m_y.type());
+    return TranslateTransformOperation::create(m_x.blend(fromX, progress), m_y.blend(fromY, progress), m_type);
+}
+
+} // namespace WebCore