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YangQi
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Dec 12, 2018
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...Card/AmazingCard.xcworkspace/xcuserdata/yangqi.xcuserdatad/UserInterfaceState.xcuserstate
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| // | ||
| // ACEditViewController+Brush.h | ||
| // AmazingCard | ||
| // | ||
| // Created by 杨琦 on 2018/12/11. | ||
| // Copyright © 2018 A.C. All rights reserved. | ||
| // | ||
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| #import "ACEditViewController.h" | ||
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| @interface ACEditViewController (Brush) | ||
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| - (void)brush; | ||
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| @end |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| // | ||
| // ACEditViewController+Brush.m | ||
| // AmazingCard | ||
| // | ||
| // Created by 杨琦 on 2018/12/11. | ||
| // Copyright © 2018 A.C. All rights reserved. | ||
| // | ||
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| #import "ACEditViewController+Brush.h" | ||
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| @implementation ACEditViewController (Brush) | ||
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| - (void)brush { | ||
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| } | ||
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| @end |
15 changes: 15 additions & 0 deletions
15
AmazingCard/AmazingCard/Edit/ACEditViewController+Circle.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| // | ||
| // ACEditViewController+Circle.h | ||
| // AmazingCard | ||
| // | ||
| // Created by 杨琦 on 2018/12/11. | ||
| // Copyright © 2018 A.C. All rights reserved. | ||
| // | ||
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| #import "ACEditViewController.h" | ||
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| @interface ACEditViewController (Circle) | ||
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| - (void)circle; | ||
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| @end |
159 changes: 159 additions & 0 deletions
159
AmazingCard/AmazingCard/Edit/ACEditViewController+Circle.m
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| // | ||
| // ACEditViewController+Circle.m | ||
| // AmazingCard | ||
| // | ||
| // Created by 杨琦 on 2018/12/11. | ||
| // Copyright © 2018 A.C. All rights reserved. | ||
| // | ||
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| #import "ACEditViewController+Circle.h" | ||
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| @implementation ACEditViewController (Circle) | ||
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| - (void)circle { | ||
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| self.imageView = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"amazingCard"]]; | ||
| self.imageView.contentMode = UIViewContentModeScaleAspectFit; | ||
| self.imageView.userInteractionEnabled = YES; | ||
| [self.view addSubview:self.imageView]; | ||
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| self.imageView.frame = self.view.bounds; | ||
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| UIPanGestureRecognizer *pan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(pan:)]; | ||
| [self.imageView addGestureRecognizer:pan]; | ||
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| UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tap:)]; | ||
| [self.imageView addGestureRecognizer:tap]; | ||
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| UIView *clipV = [[UIView alloc] init]; | ||
| clipV.backgroundColor = [UIColor redColor]; | ||
| clipV.alpha = 0.5; | ||
| [self.view addSubview:clipV]; | ||
| self.clipView = clipV; | ||
| self.clipView.hidden = YES; | ||
| self.clipView.frame = CGRectMake(self.view.center.x, self.view.center.y, 25, 25); | ||
| UIPanGestureRecognizer *clipViewPan = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(pan:)]; | ||
| [self.clipView addGestureRecognizer:clipViewPan]; | ||
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| self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(barButtonItem:)]; | ||
| } | ||
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| - (void)tap:(UIGestureRecognizer *)tap { | ||
| if (CGPointEqualToPoint(self.startP, CGPointZero)) { | ||
| CGPoint p = [tap locationInView:self.imageView]; | ||
| NSLog(@"x = %f, y = %f", p.x, p.y); | ||
| self.clipView.frame = CGRectMake(0, 0, offset*2, offset*2); | ||
| self.clipView.center = p; | ||
| self.clipView.hidden = NO; | ||
| self.startP = self.clipView.frame.origin; | ||
| } | ||
| } | ||
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| - (void)pan:(UIPanGestureRecognizer *)pan { | ||
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| CGPoint p = [pan locationInView:self.imageView]; | ||
| NSLog(@"x = %f, y = %f", p.x, p.y); | ||
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| //添加拖拽 | ||
| if ([pan.view isEqual:self.clipView]) { | ||
| // if (self.clipView.frame.size.width > offset*2 | ||
| // && self.clipView.frame.size.height > offset*2) | ||
| // { | ||
| // //超出范围不可拖拽 | ||
| // CGRect frame = CGRectMake(self.clipView.frame.origin.x + offset/2, self.clipView.frame.origin.y+offset/2, self.clipView.frame.size.width-offset, self.clipView.frame.size.height-offset); | ||
| // if (!CGRectContainsPoint(frame, p)) { | ||
| // return; | ||
| // } | ||
| // } | ||
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| CGPoint translation = [pan translationInView:pan.view.superview]; | ||
| CGPoint finalCenter = CGPointMake(pan.view.center.x + translation.x, pan.view.center.y + translation.y); | ||
| pan.view.center = finalCenter; | ||
| self.startP = self.clipView.frame.origin; | ||
| self.curP = CGPointMake(self.startP.x + self.clipView.frame.size.width, self.startP.y + self.clipView.frame.size.height); | ||
| [pan setTranslation:CGPointMake(0, 0) inView:pan.view]; | ||
| return; | ||
| } | ||
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| //startP是否为空（第一次） | ||
| if (CGPointEqualToPoint(self.startP, CGPointZero)) { | ||
| self.startP = p; | ||
| self.startP = CGPointMake(p.x-offset, p.y-offset); | ||
| self.clipView.frame = CGRectMake(self.startP.x, self.startP.y, offset*2, offset*2); | ||
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| } else { | ||
| if (p.x < self.clipView.center.x) { | ||
| if (p.y > self.clipView.center.y) { | ||
| self.startP = CGPointMake(p.x, self.startP.y); | ||
| self.curP = CGPointMake(self.curP.x, p.y); | ||
| CGFloat offsetX = self.curP.x - self.startP.x; | ||
| CGFloat offsetY = self.curP.y - self.startP.y; | ||
| self.clipView.frame = CGRectMake(self.startP.x, self.startP.y, offsetX, offsetY); | ||
| } else { | ||
| self.startP = p; | ||
| CGFloat offsetX = self.curP.x - self.startP.x; | ||
| CGFloat offsetY = self.curP.y - self.startP.y; | ||
| self.clipView.frame = CGRectMake(self.startP.x, self.startP.y, offsetX, offsetY); | ||
| } | ||
| } else { | ||
| if (p.y < self.clipView.center.y) { | ||
| self.startP = CGPointMake(self.startP.x, p.y); | ||
| self.curP = CGPointMake(p.x, self.curP.y); | ||
| CGFloat offsetX = self.curP.x - self.startP.x; | ||
| CGFloat offsetY = self.curP.y - self.startP.y; | ||
| self.clipView.frame = CGRectMake(self.startP.x, self.startP.y, offsetX, offsetY); | ||
| } else { | ||
| self.curP = p; | ||
| CGFloat offsetX = self.curP.x - self.startP.x; | ||
| CGFloat offsetY = self.curP.y - self.startP.y; | ||
| self.clipView.frame = CGRectMake(self.startP.x, self.startP.y, offsetX, offsetY); | ||
| } | ||
| } | ||
| } | ||
| self.clipView.hidden = NO; | ||
| } | ||
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| - (void)barButtonItem:(UIBarButtonItem *)barButton { | ||
| CGRect clipViewframe = self.clipView.frame; | ||
| self.clipView.hidden = YES; | ||
| self.startP = CGPointZero; | ||
| self.curP = CGPointZero; | ||
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| CGFloat imageCurWidth = self.view.bounds.size.width; | ||
| CGFloat imageCurHeight = imageCurWidth * self.imageView.image.size.height /self.imageView.image.size.width; | ||
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| CGFloat curClipY = clipViewframe.origin.y - (self.view.bounds.size.height - imageCurHeight) / 2.0; | ||
| CGFloat curClipX = clipViewframe.origin.x; | ||
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| CGSize size = self.imageView.image.size; | ||
| CGSize viewSize = self.view.frame.size; | ||
| CGFloat scale = viewSize.width / size.width * size.height < viewSize.height ? viewSize.width / size.width : viewSize.height / size.height; | ||
| CGFloat clipY = curClipY / scale; | ||
| CGFloat clipX = curClipX / scale; | ||
| CGFloat clipW = clipViewframe.size.width / scale; | ||
| CGFloat clipH = clipViewframe.size.height / scale; | ||
| CGRect clipFrame = CGRectMake(clipX, clipY, clipW, clipH); | ||
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| UIImage *image = [self getImageFromImage:self.imageView.image rect:clipFrame]; | ||
| self.imageView.image = image; | ||
| } | ||
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| -(UIImage *)getImageFromImage:(UIImage *)image rect:(CGRect)rect { | ||
|
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| //大图bigImage | ||
| //定义myImageRect，截图的区域 | ||
| CGRect myImageRect = rect; | ||
| CGImageRef imageRef = image.CGImage; | ||
| CGImageRef subImageRef = CGImageCreateWithImageInRect(imageRef, myImageRect); | ||
| CGSize size = image.size; | ||
| UIGraphicsBeginImageContext(size); | ||
| CGContextRef context = UIGraphicsGetCurrentContext(); | ||
| CGContextDrawImage(context, myImageRect, subImageRef); | ||
| UIImage* smallImage = [UIImage imageWithCGImage:subImageRef]; | ||
| UIGraphicsEndImageContext(); | ||
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| return smallImage; | ||
|
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| } | ||
|
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| @end |
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