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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 /Source/WebCore/platform/graphics/cg/GraphicsContextPlatformPrivateCG.h | |
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 'Source/WebCore/platform/graphics/cg/GraphicsContextPlatformPrivateCG.h')
-rw-r--r-- | Source/WebCore/platform/graphics/cg/GraphicsContextPlatformPrivateCG.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/cg/GraphicsContextPlatformPrivateCG.h b/Source/WebCore/platform/graphics/cg/GraphicsContextPlatformPrivateCG.h new file mode 100644 index 0000000..1d0a99f --- /dev/null +++ b/Source/WebCore/platform/graphics/cg/GraphicsContextPlatformPrivateCG.h @@ -0,0 +1,86 @@ +/* + * Copyright (C) 2006, 2007 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 <wtf/RetainPtr.h> +#include <CoreGraphics/CGContext.h> + +namespace WebCore { + +class GraphicsContextPlatformPrivate { +public: + GraphicsContextPlatformPrivate(CGContextRef cgContext) + : m_cgContext(cgContext) +#if PLATFORM(WIN) + , m_hdc(0) + , m_transparencyCount(0) + , m_shouldIncludeChildWindows(false) +#endif + , m_userToDeviceTransformKnownToBeIdentity(false) + { + } + + ~GraphicsContextPlatformPrivate() + { + } + +#if PLATFORM(MAC) || PLATFORM(CHROMIUM) + // These methods do nothing on Mac. + void save() {} + void restore() {} + void flush() {} + void clip(const FloatRect&) {} + void clip(const Path&) {} + void scale(const FloatSize&) {} + void rotate(float) {} + void translate(float, float) {} + void concatCTM(const AffineTransform&) {} + void beginTransparencyLayer() {} + void endTransparencyLayer() {} +#endif + +#if PLATFORM(WIN) + // On Windows, we need to update the HDC for form controls to draw in the right place. + void save(); + void restore(); + void flush(); + void clip(const FloatRect&); + void clip(const Path&); + void scale(const FloatSize&); + void rotate(float); + void translate(float, float); + void concatCTM(const AffineTransform&); + void beginTransparencyLayer() { m_transparencyCount++; } + void endTransparencyLayer() { m_transparencyCount--; } + + HDC m_hdc; + unsigned m_transparencyCount; + bool m_shouldIncludeChildWindows; +#endif + + RetainPtr<CGContextRef> m_cgContext; + bool m_userToDeviceTransformKnownToBeIdentity; +}; + +} |