1 /* 2 * Redistribution and use in source and binary forms, with or without 3 * modification, are permitted provided that the following conditions 4 * are met: 5 * 1. Redistributions of source code must retain the above copyright 6 * notice, this list of conditions and the following disclaimer. 7 * 2. Redistributions in binary form must reproduce the above copyright 8 * notice, this list of conditions and the following disclaimer in the 9 * documentation and/or other materials provided with the distribution. 10 * 11 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 12 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 13 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 14 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 15 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 16 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 17 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 18 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 19 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 21 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 22 */ 23 24 #include "config.h" 25 #include "Frame.h" 26 #include "FrameView.h" 27 #include "GraphicsContext.h" 28 #include "Image.h" 29 #include "ImageBuffer.h" 30 31 #include "NotImplemented.h" 32 33 namespace WebCore { 34 35 DragImageRef Frame::nodeImage(Node*) 36 { 37 notImplemented(); 38 return 0; 39 } 40 41 DragImageRef Frame::dragImageForSelection() 42 { 43 if (!selection()->isRange()) 44 return 0; 45 46 m_doc->updateLayout(); 47 48 IntRect paintingRect = enclosingIntRect(selection()->bounds()); 49 OwnPtr<ImageBuffer> buffer(ImageBuffer::create(paintingRect.size())); 50 if (!buffer) 51 return 0; 52 53 GraphicsContext* context = buffer->context(); 54 context->translate(-paintingRect.x(), -paintingRect.y()); 55 context->clip(FloatRect(0, 0, paintingRect.maxX(), paintingRect.maxY())); 56 57 PaintBehavior previousPaintBehavior = m_view->paintBehavior(); 58 m_view->setPaintBehavior(PaintBehaviorSelectionOnly); 59 m_view->paintContents(context, paintingRect); 60 m_view->setPaintBehavior(previousPaintBehavior); 61 62 RefPtr<Image> image = buffer->copyImage(); 63 return createDragImageFromImage(image.get()); 64 } 65 66 } 67 // vim: ts=4 sw=4 et 68
