我想在 ZBAR SDK 的相机视图中放置一个图像(焦点的方括号)?任何人都可以请帮助我需要做什么?谢谢
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2
您可以设置相机屏幕的覆盖来设置cameraOverlayView
属性。根据您的要求设计一个视图并分配它:
reader.cameraOverlayView = [self CommomOverlay];
-(UIView *)CommomOverlay{
UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0,0,320,480)];
UIImageView *TopBar = [[UIImageView alloc] initWithFrame:CGRectMake(0,0,320,58)];
[TopBar setImage:[UIImage imageNamed:@"topbar.png"]];
[view addSubview:TopBar];
UILabel *Toplabel = [[UILabel alloc] initWithFrame:CGRectMake(10, 9, 300, 30)];
[Toplabel setFont:[UIFont fontWithName:@"Arial-BoldMT" size:11]];
[Toplabel setTextAlignment:UITextAlignmentCenter];
[Toplabel setBackgroundColor:[UIColor clearColor]];
[Toplabel setTextColor:[UIColor colorWithRed:76/255.0 green:76/255.0 blue:76/255.0 alpha:1.0]];
[Toplabel setNumberOfLines:1];
[Toplabel setText:@"Scan now "];
[TopBar addSubview:Toplabel];
UIImageView *FrameImg = [[UIImageView alloc] initWithFrame:CGRectMake(60,150,193,170)];
[FrameImg setImage:[UIImage imageNamed:@"frame.png"]];
[view addSubview:FrameImg];
return view;
}
于 2011-11-28T04:12:52.197 回答