Lines Matching full:m_bitmapcontext
47 if (m_bitmapContext)
52 m_bitmapContext.adoptCF(CGBitmapContextCreate(0, viewSize.width(), viewSize.height(), 8, viewSize.width() * 4, colorSpace.get(), kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host));
55 CGContextTranslateCTM(m_bitmapContext.get(), 0, viewSize.height());
56 CGContextScaleCTM(m_bitmapContext.get(), 1, -1);
61 m_bitmapContext = 0;
66 if (!m_bitmapContext)
79 RetainPtr<CGImageRef> image(AdoptCF, CGBitmapContextCreateImage(m_bitmapContext.get()));
93 CGContextSaveGState(m_bitmapContext.get());
96 CGContextSetBlendMode(m_bitmapContext.get(), kCGBlendModeCopy);
99 CGContextScaleCTM(m_bitmapContext.get(), 1, -1);
100 CGContextTranslateCTM(m_bitmapContext.get(), 0, -(updateChunkRect.y() + updateChunkRect.maxY()));
102 CGContextDrawImage(m_bitmapContext.get(), updateChunkRect, image.get());
104 CGContextRestoreGState(m_bitmapContext.get());
