void GraphicsContext::drawWindowsBitmap(WindowsBitmap* image, const IntPoint& point)
{
RetainPtr<CGColorSpaceRef> deviceRGB(AdoptCF, CGColorSpaceCreateDeviceRGB());
// FIXME: Creating CFData is non-optimal, but needed to avoid crashing when printing. Ideally we should
// make a custom CGDataProvider that controls the WindowsBitmap lifetime. see <rdar://6394455>
RetainPtr<CFDataRef> imageData(AdoptCF, CFDataCreate(kCFAllocatorDefault, image->buffer(), image->bufferLength()));
RetainPtr<CGDataProviderRef> dataProvider(AdoptCF, CGDataProviderCreateWithCFData(imageData.get()));
RetainPtr<CGImageRef> cgImage(AdoptCF, CGImageCreate(image->size().width(), image->size().height(), 8, 32, image->bytesPerRow(), deviceRGB.get(),
kCGBitmapByteOrder32Little | kCGImageAlphaFirst, dataProvider.get(), 0, true, kCGRenderingIntentDefault));
CGContextDrawImage(m_data->m_cgContext, CGRectMake(point.x(), point.y(), image->size().width(), image->size().height()), cgImage.get());
}
PassRefPtr<BitmapImage> BitmapImage::create(HBITMAP hBitmap)
{
DIBSECTION dibSection;
if (!GetObject(hBitmap, sizeof(DIBSECTION), &dibSection))
return 0;
ASSERT(dibSection.dsBm.bmBitsPixel == 32);
if (dibSection.dsBm.bmBitsPixel != 32)
return 0;
ASSERT(dibSection.dsBm.bmBits);
if (!dibSection.dsBm.bmBits)
return 0;
RetainPtr<CGColorSpaceRef> deviceRGB(AdoptCF, CGColorSpaceCreateDeviceRGB());
RetainPtr<CGContextRef> bitmapContext(AdoptCF, CGBitmapContextCreate(dibSection.dsBm.bmBits, dibSection.dsBm.bmWidth, dibSection.dsBm.bmHeight, 8,
dibSection.dsBm.bmWidthBytes, deviceRGB.get(), kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedFirst));
// The BitmapImage takes ownership of this.
CGImageRef cgImage = CGBitmapContextCreateImage(bitmapContext.get());
return adoptRef(new BitmapImage(cgImage));
}