Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 114 insertions, 0 deletions

diff --git a/Source/WebCore/page/win/FrameCGWin.cpp b/Source/WebCore/page/win/FrameCGWin.cpp
new file mode 100644
index 0000000..c9351a2
--- /dev/null
+++ b/Source/WebCore/page/win/FrameCGWin.cpp
@@ -0,0 +1,114 @@
+/*
+ * Copyright (C) 2006, 2007, 2008 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 "FrameWin.h"
+
+#include <windows.h>
+
+#include "BitmapInfo.h"
+#include "FrameView.h"
+#include "GraphicsContextCG.h"
+#include "Settings.h"
+
+#include <CoreGraphics/CoreGraphics.h>
+
+using std::min;
+
+namespace WebCore {
+
+static void drawRectIntoContext(IntRect rect, FrameView* view, GraphicsContext* gc)
+{
+    IntSize offset = view->scrollOffset();
+    rect.move(-offset.width(), -offset.height());
+    rect = view->convertToContainingWindow(rect);
+
+    gc->concatCTM(AffineTransform().translate(-rect.x(), -rect.y()));
+
+    view->paint(gc, rect);
+}
+
+static HBITMAP imageFromRect(const Frame* frame, IntRect& ir)
+{
+    PaintBehavior oldPaintBehavior = frame->view()->paintBehavior();
+    frame->view()->setPaintBehavior(oldPaintBehavior | PaintBehaviorFlattenCompositingLayers);
+
+    void* bits;
+    HDC hdc = CreateCompatibleDC(0);
+    int w = ir.width();
+    int h = ir.height();
+    BitmapInfo bmp = BitmapInfo::create(IntSize(w, h));
+
+    HBITMAP hbmp = CreateDIBSection(0, &bmp, DIB_RGB_COLORS, static_cast<void**>(&bits), 0, 0);
+    HBITMAP hbmpOld = static_cast<HBITMAP>(SelectObject(hdc, hbmp));
+    CGContextRef context = CGBitmapContextCreate(static_cast<void*>(bits), w, h,
+        8, w * sizeof(RGBQUAD), deviceRGBColorSpaceRef(), kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst);
+    CGContextSaveGState(context);
+
+    GraphicsContext gc(context);
+
+    drawRectIntoContext(ir, frame->view(), &gc);
+
+    CGContextRelease(context);
+    SelectObject(hdc, hbmpOld);
+    DeleteDC(hdc);
+
+    frame->view()->setPaintBehavior(oldPaintBehavior);
+
+    return hbmp;
+}
+
+HBITMAP imageFromSelection(Frame* frame, bool forceBlackText)
+{
+    frame->document()->updateLayout();
+
+    frame->view()->setPaintBehavior(PaintBehaviorSelectionOnly | (forceBlackText ? PaintBehaviorForceBlackText : 0));
+    FloatRect fr = frame->selection()->bounds();
+    IntRect ir(static_cast<int>(fr.x()), static_cast<int>(fr.y()),
+               static_cast<int>(fr.width()), static_cast<int>(fr.height()));
+    HBITMAP image = imageFromRect(frame, ir);
+    frame->view()->setPaintBehavior(PaintBehaviorNormal);
+    return image;
+}
+
+DragImageRef Frame::nodeImage(Node* node)
+{
+    RenderObject* renderer = node->renderer();
+    if (!renderer)
+        return 0;
+
+    IntRect topLevelRect;
+    IntRect paintingRect = renderer->paintingRootRect(topLevelRect);
+
+    document()->updateLayout();
+
+    m_view->setNodeToDraw(node); // invoke special sub-tree drawing mode
+    HBITMAP result = imageFromRect(this, paintingRect);
+    m_view->setNodeToDraw(0);
+
+    return result;
+}
+
+} // namespace WebCore