2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
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5 * modification, are permitted provided that the following conditions
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11 * documentation and/or other materials provided with the distribution.
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23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 #include <CoreGraphics/CGContext.h>
30 class GraphicsContextPlatformPrivate {
32 GraphicsContextPlatformPrivate(CGContextRef cgContext)
33 : m_cgContext(cgContext)
36 , m_transparencyCount(0)
38 , m_userToDeviceTransformKnownToBeIdentity(false)
40 CGContextRetain(m_cgContext);
43 ~GraphicsContextPlatformPrivate()
45 CGContextRelease(m_cgContext);
49 // These methods do nothing on Mac.
52 void clip(const IntRect&) {}
53 void clip(const Path&) {}
54 void scale(const FloatSize&) {}
56 void translate(float, float) {}
57 void concatCTM(const AffineTransform&) {}
58 void beginTransparencyLayer() {}
59 void endTransparencyLayer() {}
63 // On Windows, we need to update the HDC for form controls to draw in the right place.
66 void clip(const IntRect&);
67 void clip(const Path&);
68 void scale(const FloatSize&);
70 void translate(float, float);
71 void concatCTM(const AffineTransform&);
72 void beginTransparencyLayer() { m_transparencyCount++; }
73 void endTransparencyLayer() { m_transparencyCount--; }
78 unsigned m_transparencyCount;
81 CGContextRef m_cgContext;
82 bool m_userToDeviceTransformKnownToBeIdentity;