On Jan 6, 2010, at 9:21 AM, David Blanton wrote: > m_NSBitmapImageRep = [[NSBitmapImageRep alloc] > > initWithBitmapDataPlanes:m_ptrs > > pixelsWide:m_frameRect.size.width > > pixelsHigh:m_frameRect.size.height > bitsPerSample:8 > samplesPerPixel:4 > hasAlpha:YES > isPlanar:NO > > colorSpaceName:NSCalibratedRGBColorSpace > > bitmapFormat:NSAlphaFirstBitmapFormat > bytesPerRow:(4 * > m_frameRect.size.width) > bitsPerPixel:32];
This code creates a bitmap with alpha. > context = CGBitmapContextCreate (bitmap.m_array, bitmap.m_pixelsx, > bitmap.m_pixelsy, 8, bitmap.m_pixelsx * 4, colorSpace, > kCGImageAlphaNoneSkipFirst|kCGBitmapByteOrder32Host); This code creates a bitmap without alpha. > The problem is I just see garbage, no image. Clearly I am doing something > wrong with the NSBitMapImageRep but I have no idea what. Hence garbage. -- David Duncan Apple DTS Animation and Printing _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
