我是iPhone的新鮮開發者。如何合併2個圖像而不使用set alpha?
我想合併兩張圖片並獲取一張圖片UIImageView
未設置alpha值。
這是我的代碼。此代碼正在使用阿爾法, ,但我想設置沒有設置阿爾法。
mycode的: -
-(UIImage *)maskingImage:(UIImage *)image
{
CGSize sizeR = CGSizeMake(200, 220);
// UIImage *textureImage = [UIImage imageNamed:@"tt.png"];
UIImage *textureImage =imgView2.image;
UIGraphicsBeginImageContextWithOptions(sizeR, YES, textureImage.scale);
[textureImage drawInRect:CGRectMake(0.0, 0.0, 200, 220)];
UIImage *bottomImage = UIGraphicsGetImageFromCurrentImageContext();
UIImage *upperImage = image;
CGSize newSize = sizeR ;
UIGraphicsBeginImageContext(newSize);
[bottomImage drawInRect:CGRectMake(0.0, 0.0, 200, 220)];
[upperImage drawInRect:CGRectMake(0.0, 0.0, 200, 220) blendMode:kCGBlendModeNormal alpha:0.5];
UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return newImage;
}
在此先感謝。