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| #import "ViewController.h"
@interface ViewController () @property (weak, nonatomic) IBOutlet UIButton *iconButton; @property (nonatomic,assign) CGFloat delta;
@end typedef enum { moveDirTop=11, moveDirLeft=12, moveDirBottom=13, moveDirRight=14 }moveDirect; #define moveDelta 20; @implementation ViewController
- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. }
- (IBAction)zoomWithFrame:(UIButton *)button { CGRect frame=self.iconButton.frame; if(button.tag) { frame.size.width+=20; frame.size.height+=20; NSLog(@"放大"); }else{ frame.size.width-=20; frame.size.height-=20; NSLog(@"缩小"); } self.iconButton.frame=frame; } //缩放按钮功能 - (IBAction)zoom:(UIButton *)button { CGFloat scale=(button.tag)?1.2:0.8; self.iconButton.transform=CGAffineTransformScale(self.iconButton.transform, scale, scale);
} //旋转按钮功能 - (IBAction)rotate:(UIButton *)button { CGFloat angle=(button.tag)? -M_PI_4 : M_PI_4; self.iconButton.transform=CGAffineTransformRotate(self.iconButton.transform, angle); }
- (IBAction)move:(UIButton *)button { CGFloat dx=0,dy=0; switch (button.tag) { case moveDirTop: dy=-20; break; case moveDirLeft: dx=-20; break; case moveDirBottom: dy=20; break; case moveDirRight: dx=20; break; default: break; } self.iconButton.transform=CGAffineTransformTranslate(self.iconButton.transform, dx, dy); } - (IBAction)demo:(UIButton *)button { CGRect frame= self.iconButton.frame; switch (button.tag) { case moveDirTop: frame.origin.y-=moveDelta; break; case moveDirLeft: frame.origin.x-=moveDelta; break; case moveDirBottom: frame.origin.y+=moveDelta; break; case moveDirRight: frame.origin.x+=moveDelta; break; default: break; } self.iconButton.frame=frame; } @end
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