我正在尝试调整 10x10 像素 CGImageRef 的大小,如下所示:
CGImageRef imageRef = CGImageCreateWithImageInRect(screenShot, CGRectMake(mouseLoc.x-5, screen_height-mouseLoc.y-5, 10, 10));
CGContextRef mainViewContentContext = CGBitmapContextCreate (NULL, maskImage.size.width, maskImage.size.height, 8, maskImage.size.height*4, colorSpace, kCGImageAlphaPremultipliedFirst);
CGContextDrawImage(mainViewContentContext, NSMakeRect(0,0, maskImage.size.width, maskImage.size.height), imageRef);