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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /WebCore/platform/graphics/win/GraphicsContextWin.cpp | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'WebCore/platform/graphics/win/GraphicsContextWin.cpp')
-rw-r--r-- | WebCore/platform/graphics/win/GraphicsContextWin.cpp | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/WebCore/platform/graphics/win/GraphicsContextWin.cpp b/WebCore/platform/graphics/win/GraphicsContextWin.cpp deleted file mode 100644 index f1953e4..0000000 --- a/WebCore/platform/graphics/win/GraphicsContextWin.cpp +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Copyright (C) 2003, 2004, 2005, 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 "GraphicsContext.h" - -#if PLATFORM(CG) -#include "GraphicsContextPlatformPrivateCG.h" -#elif PLATFORM(CAIRO) -#include "GraphicsContextPlatformPrivateCairo.h" -#endif - -#include "AffineTransform.h" -#include "BitmapInfo.h" -#include "TransformationMatrix.h" -#include "NotImplemented.h" -#include "Path.h" -#include <wtf/MathExtras.h> - -using namespace std; - -namespace WebCore { - -static void fillWithClearColor(HBITMAP bitmap) -{ - BITMAP bmpInfo; - GetObject(bitmap, sizeof(bmpInfo), &bmpInfo); - int bufferSize = bmpInfo.bmWidthBytes * bmpInfo.bmHeight; - memset(bmpInfo.bmBits, 0, bufferSize); -} - -bool GraphicsContext::inTransparencyLayer() const { return m_data->m_transparencyCount; } - -void GraphicsContext::setShouldIncludeChildWindows(bool include) -{ - m_data->m_shouldIncludeChildWindows = include; -} - -bool GraphicsContext::shouldIncludeChildWindows() const -{ - return m_data->m_shouldIncludeChildWindows; -} - -GraphicsContext::WindowsBitmap::WindowsBitmap(HDC hdc, IntSize size) - : m_hdc(0) - , m_size(size) -{ - BitmapInfo bitmapInfo = BitmapInfo::create(m_size); - - m_bitmap = CreateDIBSection(0, &bitmapInfo, DIB_RGB_COLORS, reinterpret_cast<void**>(&m_bitmapBuffer), 0, 0); - if (!m_bitmap) - return; - - m_hdc = CreateCompatibleDC(hdc); - SelectObject(m_hdc, m_bitmap); - - BITMAP bmpInfo; - GetObject(m_bitmap, sizeof(bmpInfo), &bmpInfo); - m_bytesPerRow = bmpInfo.bmWidthBytes; - m_bitmapBufferLength = bmpInfo.bmWidthBytes * bmpInfo.bmHeight; - - SetGraphicsMode(m_hdc, GM_ADVANCED); -} - -GraphicsContext::WindowsBitmap::~WindowsBitmap() -{ - if (!m_bitmap) - return; - - DeleteDC(m_hdc); - DeleteObject(m_bitmap); -} - -GraphicsContext::WindowsBitmap* GraphicsContext::createWindowsBitmap(IntSize size) -{ - return new WindowsBitmap(m_data->m_hdc, size); -} - -HDC GraphicsContext::getWindowsContext(const IntRect& dstRect, bool supportAlphaBlend, bool mayCreateBitmap) -{ - // FIXME: Should a bitmap be created also when a shadow is set? - if (mayCreateBitmap && (!m_data->m_hdc || inTransparencyLayer())) { - if (dstRect.isEmpty()) - return 0; - - // Create a bitmap DC in which to draw. - BitmapInfo bitmapInfo = BitmapInfo::create(dstRect.size()); - - void* pixels = 0; - HBITMAP bitmap = ::CreateDIBSection(NULL, &bitmapInfo, DIB_RGB_COLORS, &pixels, 0, 0); - if (!bitmap) - return 0; - - HDC bitmapDC = ::CreateCompatibleDC(m_data->m_hdc); - ::SelectObject(bitmapDC, bitmap); - - // Fill our buffer with clear if we're going to alpha blend. - if (supportAlphaBlend) - fillWithClearColor(bitmap); - - // Make sure we can do world transforms. - SetGraphicsMode(bitmapDC, GM_ADVANCED); - - // Apply a translation to our context so that the drawing done will be at (0,0) of the bitmap. - XFORM xform = TransformationMatrix().translate(-dstRect.x(), -dstRect.y()); - - ::SetWorldTransform(bitmapDC, &xform); - - return bitmapDC; - } - - m_data->flush(); - m_data->save(); - return m_data->m_hdc; -} - -void GraphicsContextPlatformPrivate::save() -{ - if (!m_hdc) - return; - SaveDC(m_hdc); -} - -void GraphicsContextPlatformPrivate::restore() -{ - if (!m_hdc) - return; - RestoreDC(m_hdc, -1); -} - -void GraphicsContextPlatformPrivate::clip(const FloatRect& clipRect) -{ - if (!m_hdc) - return; - IntersectClipRect(m_hdc, clipRect.x(), clipRect.y(), clipRect.right(), clipRect.bottom()); -} - -void GraphicsContextPlatformPrivate::clip(const Path&) -{ - notImplemented(); -} - -void GraphicsContextPlatformPrivate::scale(const FloatSize& size) -{ - if (!m_hdc) - return; - - XFORM xform = TransformationMatrix().scaleNonUniform(size.width(), size.height()); - ModifyWorldTransform(m_hdc, &xform, MWT_LEFTMULTIPLY); -} - -static const double deg2rad = 0.017453292519943295769; // pi/180 - -void GraphicsContextPlatformPrivate::rotate(float degreesAngle) -{ - XFORM xform = TransformationMatrix().rotate(degreesAngle); - ModifyWorldTransform(m_hdc, &xform, MWT_LEFTMULTIPLY); -} - -void GraphicsContextPlatformPrivate::translate(float x , float y) -{ - if (!m_hdc) - return; - - XFORM xform = TransformationMatrix().translate(x, y); - ModifyWorldTransform(m_hdc, &xform, MWT_LEFTMULTIPLY); -} - -void GraphicsContextPlatformPrivate::concatCTM(const AffineTransform& transform) -{ - if (!m_hdc) - return; - - XFORM xform = transform.toTransformationMatrix(); - ModifyWorldTransform(m_hdc, &xform, MWT_LEFTMULTIPLY); -} - -} |