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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /WebCore/platform/graphics/win/GraphicsContextWin.cpp
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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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.cpp200
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);
-}
-
-}