auto import from //depot/cupcake/@135843

1 files changed, 132 insertions, 0 deletions

diff --git a/WebCore/rendering/RenderForeignObject.cpp b/WebCore/rendering/RenderForeignObject.cpp
new file mode 100644
index 0000000..5070b97
--- /dev/null
+++ b/WebCore/rendering/RenderForeignObject.cpp
@@ -0,0 +1,132 @@
+/*
+ * This file is part of the WebKit project.
+ *
+ * Copyright (C) 2006 Apple Computer, Inc.
+ *
+ * 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"
+
+#if ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)
+#include "RenderForeignObject.h"
+
+#include "GraphicsContext.h"
+#include "RenderView.h"
+#include "SVGForeignObjectElement.h"
+#include "SVGLength.h"
+#include "SVGTransformList.h"
+
+namespace WebCore {
+
+RenderForeignObject::RenderForeignObject(SVGForeignObjectElement* node) 
+    : RenderSVGBlock(node)
+{
+}
+
+AffineTransform RenderForeignObject::translationForAttributes()
+{
+    SVGForeignObjectElement* foreign = static_cast<SVGForeignObjectElement*>(element());
+    return AffineTransform().translate(foreign->x().value(foreign), foreign->y().value(foreign));
+}
+
+void RenderForeignObject::paint(PaintInfo& paintInfo, int parentX, int parentY)
+{
+    if (paintInfo.context->paintingDisabled())
+        return;
+
+    paintInfo.context->save();
+    paintInfo.context->concatCTM(AffineTransform().translate(parentX, parentY));
+    paintInfo.context->concatCTM(localTransform());
+    paintInfo.context->concatCTM(translationForAttributes());
+    paintInfo.context->clip(getClipRect(parentX, parentY));
+
+    float opacity = style()->opacity();
+    if (opacity < 1.0f)
+        // FIXME: Possible optimization by clipping to bbox here, once relativeBBox is implemented & clip, mask and filter support added.
+        paintInfo.context->beginTransparencyLayer(opacity);
+
+    PaintInfo pi(paintInfo);
+    pi.rect = absoluteTransform().inverse().mapRect(paintInfo.rect);
+    RenderBlock::paint(pi, 0, 0);
+
+    if (opacity < 1.0f)
+        paintInfo.context->endTransparencyLayer();
+
+    paintInfo.context->restore();
+}
+
+void RenderForeignObject::computeAbsoluteRepaintRect(IntRect& r, bool f)
+{
+    AffineTransform transform = translationForAttributes() * localTransform();
+    r = transform.mapRect(r);
+
+    RenderBlock::computeAbsoluteRepaintRect(r, f);
+}
+
+bool RenderForeignObject::requiresLayer()
+{
+    return false;
+}
+
+bool RenderForeignObject::calculateLocalTransform()
+{
+    AffineTransform oldTransform = m_localTransform;
+    m_localTransform = static_cast<SVGForeignObjectElement*>(element())->animatedLocalTransform();
+    return (oldTransform != m_localTransform);
+}
+
+void RenderForeignObject::layout()
+{
+    ASSERT(needsLayout());
+
+    // Arbitrary affine transforms are incompatible with LayoutState.
+    view()->disableLayoutState();
+
+    IntRect oldBounds;
+    IntRect oldOutlineBox;
+    bool checkForRepaint = checkForRepaintDuringLayout();
+    if (checkForRepaint) {
+        oldBounds = m_absoluteBounds;
+        oldOutlineBox = absoluteOutlineBox();
+    }
+    
+    calculateLocalTransform();
+    
+    RenderBlock::layout();
+
+    m_absoluteBounds = absoluteClippedOverflowRect();
+
+    if (checkForRepaint)
+        repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox);
+
+    view()->enableLayoutState();
+    setNeedsLayout(false);
+}
+
+bool RenderForeignObject::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, int x, int y, int tx, int ty, HitTestAction hitTestAction)
+{
+    AffineTransform totalTransform = absoluteTransform();
+    totalTransform *= translationForAttributes();
+    double localX, localY;
+    totalTransform.inverse().map(x, y, &localX, &localY);
+    return RenderBlock::nodeAtPoint(request, result, static_cast<int>(localX), static_cast<int>(localY), tx, ty, hitTestAction);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)