Add premultipliedLast BitmapInfo to allow transparent background

gyochum · Mar 27, 2017 · d0dbf3b · d0dbf3b
1 parent 8c3bdee
commit d0dbf3b
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/framework/Source/Mac/PictureOutput.swift b/framework/Source/Mac/PictureOutput.swift
@@ -61,7 +61,7 @@ public class PictureOutput: ImageConsumer {
         guard let dataProvider = CGDataProvider(dataInfo: nil, data: data, size: imageByteSize, releaseData: dataProviderReleaseCallback) else {fatalError("Could not create CGDataProvider")}
         let defaultRGBColorSpace = CGColorSpaceCreateDeviceRGB()
 
-        return CGImage(width: Int(framebuffer.size.width), height: Int(framebuffer.size.height), bitsPerComponent:8, bitsPerPixel:32, bytesPerRow:4 * Int(framebuffer.size.width), space:defaultRGBColorSpace, bitmapInfo:CGBitmapInfo() /*| CGImageAlphaInfo.Last*/, provider:dataProvider, decode:nil, shouldInterpolate:false, intent:.defaultIntent)!
+      return CGImage(width: Int(framebuffer.size.width), height: Int(framebuffer.size.height), bitsPerComponent:8, bitsPerPixel:32, bytesPerRow:4 * Int(framebuffer.size.width), space:defaultRGBColorSpace, bitmapInfo:CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedLast.rawValue), provider:dataProvider, decode:nil, shouldInterpolate:false, intent:.defaultIntent)!
     }
 
     public func newFramebufferAvailable(_ framebuffer:Framebuffer, fromSourceIndex:UInt) {