--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/page/win/FrameCGWin.cpp Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,116 @@
+/*
+ * 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 "GraphicsContext.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));
+ CGColorSpaceRef deviceRGB = CGColorSpaceCreateDeviceRGB();
+ CGContextRef context = CGBitmapContextCreate(static_cast<void*>(bits), w, h,
+ 8, w * sizeof(RGBQUAD), deviceRGB, kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst);
+ CGColorSpaceRelease(deviceRGB);
+ 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->selectionBounds();
+ 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;
+}
+
+HBITMAP Frame::nodeImage(Node* node) const
+{
+ 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