author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2007 Apple Inc. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#include "config.h" |
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#include "DragImage.h" |
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#if ENABLE(DRAG_SUPPORT) |
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#include "DragController.h" |
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#include "Frame.h" |
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namespace WebCore { |
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DragImageRef fitDragImageToMaxSize(DragImageRef image, const IntSize& srcSize, const IntSize& size) |
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{ |
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float heightResizeRatio = 0.0f; |
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float widthResizeRatio = 0.0f; |
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float resizeRatio = -1.0f; |
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IntSize originalSize = dragImageSize(image); |
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if (srcSize.width() > size.width()) { |
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widthResizeRatio = size.width() / (float)srcSize.width(); |
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resizeRatio = widthResizeRatio; |
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} |
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if (srcSize.height() > size.height()) { |
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heightResizeRatio = size.height() / (float)srcSize.height(); |
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if ((resizeRatio < 0.0f) || (resizeRatio > heightResizeRatio)) |
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resizeRatio = heightResizeRatio; |
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} |
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if (srcSize == originalSize) |
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return resizeRatio > 0.0f ? scaleDragImage(image, FloatSize(resizeRatio, resizeRatio)) : image; |
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// The image was scaled in the webpage so at minimum we must account for that scaling |
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float scalex = srcSize.width() / (float)originalSize.width(); |
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float scaley = srcSize.height() / (float)originalSize.height(); |
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if (resizeRatio > 0.0f) { |
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scalex *= resizeRatio; |
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scaley *= resizeRatio; |
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} |
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return scaleDragImage(image, FloatSize(scalex, scaley)); |
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} |
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DragImageRef createDragImageForSelection(Frame* frame) |
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{ |
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DragImageRef image = frame->dragImageForSelection(); |
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if (image) |
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dissolveDragImageToFraction(image, DragController::DragImageAlpha); |
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return image; |
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} |
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} // namespace WebCore |
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#endif // ENABLE(DRAG_SUPPORT) |