- (UIImage *)imagesSynthesis{
UIImage * bgImg = [UIImage imageNamed:@"picsWall_bg.jpg"];
UIImage * img1 = [UIImage imageNamed:@"1.png"];
UIImage * img2 = [UIImage imageNamed:@"2.png"];
UIImage * img3 = [UIImage imageNamed:@"3.png"];
UIImage * img4 = [UIImage imageNamed:@"4.png"];
UIImage * img5 = [UIImage imageNamed:@"5.png"];
UIImage * img6 = [UIImage imageNamed:@"6.png"];
// 得到圖片繪制上下文，指定繪制區(qū)域
UIGraphicsBeginImageContext(CGSizeMake(640, 1136));
// 背景圖
[bgImg drawInRect:CGRectMake(0, 0, 640, 1136)];
// img1
[img1 drawInRect:CGRectMake(128, 136, 160, 110)];
// img2
[img2 drawInRect:CGRectMake(428, 136, 94, 110)];
// img3
[img3 drawInRect:CGRectMake(128, 378, 160, 110)];
// img4
[img4 drawInRect:CGRectMake(418, 380, 94, 220)];
// img5
[img5 drawInRect:CGRectMake(128, 618, 160, 230)];
// img6
[img6 drawInRect:CGRectMake(422, 728, 94, 120)];
// 從當(dāng)前圖片上下文中得到image
UIImage *resultingImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return resultingImage;
}
合成前背景圖
合成后圖片
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