--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/rendering/RenderHTMLCanvas.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2004, 2006, 2007 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include "config.h"
+#include "RenderHTMLCanvas.h"
+
+#include "Document.h"
+#include "GraphicsContext.h"
+#include "HTMLCanvasElement.h"
+#include "HTMLNames.h"
+#include "RenderView.h"
+
+namespace WebCore {
+
+using namespace HTMLNames;
+
+RenderHTMLCanvas::RenderHTMLCanvas(HTMLCanvasElement* element)
+    : RenderReplaced(element, element->size())
+{
+}
+
+void RenderHTMLCanvas::paint(PaintInfo& paintInfo, int tx, int ty)
+{
+    if (!shouldPaint(paintInfo, tx, ty))
+        return;
+
+    int x = tx + m_x;
+    int y = ty + m_y;
+
+    if (hasBoxDecorations() && (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseSelection)) 
+        paintBoxDecorations(paintInfo, x, y);
+
+    if ((paintInfo.phase == PaintPhaseOutline || paintInfo.phase == PaintPhaseSelfOutline) && style()->outlineWidth() && style()->visibility() == VISIBLE)
+        paintOutline(paintInfo.context, x, y, width(), height(), style());
+
+    if (paintInfo.phase != PaintPhaseForeground && paintInfo.phase != PaintPhaseSelection)
+        return;
+
+    if (!shouldPaintWithinRoot(paintInfo))
+        return;
+
+    bool drawSelectionTint = selectionState() != SelectionNone && !document()->printing();
+    if (paintInfo.phase == PaintPhaseSelection) {
+        if (selectionState() == SelectionNone)
+            return;
+        drawSelectionTint = false;
+    }
+
+    static_cast<HTMLCanvasElement*>(node())->paint(paintInfo.context,
+        IntRect(x + borderLeft() + paddingLeft(), y + borderTop() + paddingTop(), contentWidth(), contentHeight()));
+
+    if (drawSelectionTint)
+        paintInfo.context->fillRect(selectionRect(), selectionBackgroundColor());
+}
+
+void RenderHTMLCanvas::layout()
+{
+    ASSERT(needsLayout());
+
+    IntRect oldBounds;
+    IntRect oldOutlineBox;
+    bool checkForRepaint = checkForRepaintDuringLayout();
+    if (checkForRepaint) {
+        oldBounds = absoluteClippedOverflowRect();
+        oldOutlineBox = absoluteOutlineBox();
+    }
+    calcWidth();
+    calcHeight();
+    adjustOverflowForBoxShadow();
+    if (checkForRepaint)
+        repaintAfterLayoutIfNeeded(oldBounds, oldOutlineBox);
+
+    setNeedsLayout(false);
+}
+
+void RenderHTMLCanvas::canvasSizeChanged()
+{
+    IntSize size = static_cast<HTMLCanvasElement*>(node())->size();
+    if (size == intrinsicSize())
+        return;
+
+    setIntrinsicSize(size);
+
+    if (!prefWidthsDirty())
+        setPrefWidthsDirty(true);
+
+    IntSize oldSize = IntSize(m_width, m_height);
+    calcWidth();
+    calcHeight();
+    if (oldSize == IntSize(m_width, m_height))
+        return;
+
+    if (!selfNeedsLayout())
+        setNeedsLayout(true);
+}
+
+} // namespace WebCore