- Add Editor support
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//
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// CLStickerTool.h
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//
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// Created by sho yakushiji on 2013/12/11.
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// Copyright (c) 2013年 CALACULU. All rights reserved.
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//
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#import "CLImageToolBase.h"
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@interface CLStickerTool : CLImageToolBase
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@end
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//
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// CLStickerTool.m
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//
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// Created by sho yakushiji on 2013/12/11.
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// Copyright (c) 2013年 CALACULU. All rights reserved.
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//
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#import "CLStickerTool.h"
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#import "CLCircleView.h"
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static NSString* const kCLStickerToolStickerPathKey = @"stickerPath";
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static NSString* const kCLStickerToolDeleteIconName = @"deleteIconAssetsName";
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@interface _CLStickerView : UIView
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+ (void)setActiveStickerView:(_CLStickerView*)view;
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- (UIImageView*)imageView;
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- (id)initWithImage:(UIImage *)image tool:(CLStickerTool*)tool;
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- (void)setScale:(CGFloat)scale;
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@end
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@implementation CLStickerTool
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{
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UIImage *_originalImage;
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UIView *_workingView;
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UIScrollView *_menuScroll;
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}
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+ (NSArray*)subtools
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{
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return nil;
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}
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+ (NSString*)defaultTitle
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{
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return [CLImageEditorTheme localizedString:@"CLStickerTool_DefaultTitle" withDefault:@"Sticker"];
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}
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+ (BOOL)isAvailable
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{
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return ([UIDevice iosVersion] >= 5.0);
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}
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+ (CGFloat)defaultDockedNumber
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{
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return 7;
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}
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#pragma mark- optional info
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+ (NSString*)defaultStickerPath
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{
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return [[[CLImageEditorTheme bundle] bundlePath] stringByAppendingPathComponent:[NSString stringWithFormat:@"%@/stickers", NSStringFromClass(self)]];
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}
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+ (NSDictionary*)optionalInfo
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{
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return @{
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kCLStickerToolStickerPathKey:[self defaultStickerPath],
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kCLStickerToolDeleteIconName:@"",
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};
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}
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#pragma mark- implementation
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- (void)setup
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{
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_originalImage = self.editor.imageView.image;
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[self.editor fixZoomScaleWithAnimated:YES];
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_menuScroll = [[UIScrollView alloc] initWithFrame:self.editor.menuView.frame];
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_menuScroll.backgroundColor = self.editor.menuView.backgroundColor;
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_menuScroll.showsHorizontalScrollIndicator = NO;
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[self.editor.view addSubview:_menuScroll];
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_workingView = [[UIView alloc] initWithFrame:[self.editor.view convertRect:self.editor.imageView.frame fromView:self.editor.imageView.superview]];
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_workingView.clipsToBounds = YES;
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[self.editor.view addSubview:_workingView];
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[self setStickerMenu];
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_menuScroll.transform = CGAffineTransformMakeTranslation(0, self.editor.view.height-_menuScroll.top);
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[UIView animateWithDuration:kCLImageToolAnimationDuration
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animations:^{
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self->_menuScroll.transform = CGAffineTransformIdentity;
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}];
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}
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- (void)cleanup
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{
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[self.editor resetZoomScaleWithAnimated:YES];
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[_workingView removeFromSuperview];
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[UIView animateWithDuration:kCLImageToolAnimationDuration
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animations:^{
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self->_menuScroll.transform = CGAffineTransformMakeTranslation(0, self.editor.view.height-self->_menuScroll.top);
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}
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completion:^(BOOL finished) {
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[self->_menuScroll removeFromSuperview];
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}];
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}
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- (void)executeWithCompletionBlock:(void (^)(UIImage *, NSError *, NSDictionary *))completionBlock
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{
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[_CLStickerView setActiveStickerView:nil];
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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UIImage *image = [self buildImage:self->_originalImage];
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dispatch_async(dispatch_get_main_queue(), ^{
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completionBlock(image, nil, nil);
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});
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});
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}
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#pragma mark-
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- (void)setStickerMenu
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{
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CGFloat W = 70;
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CGFloat H = _menuScroll.height;
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CGFloat x = 0;
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NSString *stickerPath = self.toolInfo.optionalInfo[kCLStickerToolStickerPathKey];
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if(stickerPath==nil){ stickerPath = [[self class] defaultStickerPath]; }
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NSFileManager *fileManager = [NSFileManager defaultManager];
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NSError *error = nil;
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NSArray *list = [fileManager contentsOfDirectoryAtPath:stickerPath error:&error];
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NSArray *sortedList = [list sortedArrayUsingSelector:@selector(compare:)]; //sort stickers alphabetically
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for(NSString *path in sortedList){
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NSString *filePath = [NSString stringWithFormat:@"%@/%@", stickerPath, path];
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UIImage *image = [UIImage imageWithContentsOfFile:filePath];
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if(image){
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CLToolbarMenuItem *view = [CLImageEditorTheme menuItemWithFrame:CGRectMake(x, 0, W, H) target:self action:@selector(tappedStickerPanel:) toolInfo:nil];
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view.iconImage = [image aspectFit:CGSizeMake(50, 50)];
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view.userInfo = @{@"filePath" : filePath};
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view.iconImageContentMode = UIViewContentModeScaleAspectFit;
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[_menuScroll addSubview:view];
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x += W;
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}
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}
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_menuScroll.contentSize = CGSizeMake(MAX(x, _menuScroll.frame.size.width+1), 0);
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}
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- (void)tappedStickerPanel:(UITapGestureRecognizer*)sender
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{
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UIView *view = sender.view;
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NSString *filePath = view.userInfo[@"filePath"];
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if(filePath){
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_CLStickerView *view = [[_CLStickerView alloc] initWithImage:[UIImage imageWithContentsOfFile:filePath] tool:self];
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CGFloat ratio = MIN( (0.5 * _workingView.width) / view.width, (0.5 * _workingView.height) / view.height);
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[view setScale:ratio];
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view.center = CGPointMake(_workingView.width/2, _workingView.height/2);
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[_workingView addSubview:view];
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[_CLStickerView setActiveStickerView:view];
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}
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view.alpha = 0.2;
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[UIView animateWithDuration:kCLImageToolAnimationDuration
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animations:^{
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view.alpha = 1;
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}
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];
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}
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- (UIImage*)buildImage:(UIImage*)image
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{
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__block CALayer *layer = nil;
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__block CGFloat scale = 1;
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safe_dispatch_sync_main(^{
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scale = image.size.width / self->_workingView.width;
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layer = self->_workingView.layer;
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});
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UIGraphicsBeginImageContextWithOptions(image.size, NO, image.scale);
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[image drawAtPoint:CGPointZero];
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CGContextScaleCTM(UIGraphicsGetCurrentContext(), scale, scale);
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[layer renderInContext:UIGraphicsGetCurrentContext()];
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UIImage *tmp = UIGraphicsGetImageFromCurrentImageContext();
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UIGraphicsEndImageContext();
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return tmp;
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}
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@end
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@implementation _CLStickerView
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{
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UIImageView *_imageView;
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UIButton *_deleteButton;
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CLCircleView *_circleView;
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CGFloat _scale;
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CGFloat _arg;
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CGPoint _initialPoint;
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CGFloat _initialArg;
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CGFloat _initialScale;
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}
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+ (void)setActiveStickerView:(_CLStickerView*)view
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{
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static _CLStickerView *activeView = nil;
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if(view != activeView){
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[activeView setAvtive:NO];
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activeView = view;
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[activeView setAvtive:YES];
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[activeView.superview bringSubviewToFront:activeView];
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}
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}
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- (id)initWithImage:(UIImage *)image tool:(CLStickerTool*)tool
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{
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self = [super initWithFrame:CGRectMake(0, 0, image.size.width+32, image.size.height+32)];
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if(self){
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_imageView = [[UIImageView alloc] initWithImage:image];
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_imageView.layer.borderColor = [[UIColor blackColor] CGColor];
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_imageView.layer.cornerRadius = 3;
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_imageView.center = self.center;
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[self addSubview:_imageView];
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_deleteButton = [UIButton buttonWithType:UIButtonTypeCustom];
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[_deleteButton setImage:[tool imageForKey:kCLStickerToolDeleteIconName defaultImageName:@"btn_delete.png"] forState:UIControlStateNormal];
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_deleteButton.frame = CGRectMake(0, 0, 32, 32);
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_deleteButton.center = _imageView.frame.origin;
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[_deleteButton addTarget:self action:@selector(pushedDeleteBtn:) forControlEvents:UIControlEventTouchUpInside];
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[self addSubview:_deleteButton];
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_circleView = [[CLCircleView alloc] initWithFrame:CGRectMake(0, 0, 32, 32)];
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_circleView.center = CGPointMake(_imageView.width + _imageView.frame.origin.x, _imageView.height + _imageView.frame.origin.y);
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_circleView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin;
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_circleView.radius = 0.7;
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_circleView.color = [UIColor whiteColor];
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_circleView.borderColor = [UIColor blackColor];
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_circleView.borderWidth = 5;
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[self addSubview:_circleView];
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_scale = 1;
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_arg = 0;
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[self initGestures];
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}
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return self;
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}
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- (void)initGestures
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{
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_imageView.userInteractionEnabled = YES;
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[_imageView addGestureRecognizer:[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(viewDidTap:)]];
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[_imageView addGestureRecognizer:[[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(viewDidPan:)]];
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[_circleView addGestureRecognizer:[[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(circleViewDidPan:)]];
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}
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- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
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{
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UIView* view= [super hitTest:point withEvent:event];
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if(view==self){
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return nil;
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}
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return view;
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}
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- (UIImageView*)imageView
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{
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return _imageView;
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}
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- (void)pushedDeleteBtn:(id)sender
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{
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_CLStickerView *nextTarget = nil;
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const NSInteger index = [self.superview.subviews indexOfObject:self];
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for(NSInteger i=index+1; i<self.superview.subviews.count; ++i){
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UIView *view = [self.superview.subviews objectAtIndex:i];
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if([view isKindOfClass:[_CLStickerView class]]){
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nextTarget = (_CLStickerView*)view;
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break;
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}
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}
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if(nextTarget==nil){
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for(NSInteger i=index-1; i>=0; --i){
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UIView *view = [self.superview.subviews objectAtIndex:i];
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if([view isKindOfClass:[_CLStickerView class]]){
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nextTarget = (_CLStickerView*)view;
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break;
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}
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}
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}
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[[self class] setActiveStickerView:nextTarget];
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[self removeFromSuperview];
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}
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- (void)setAvtive:(BOOL)active
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{
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_deleteButton.hidden = !active;
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_circleView.hidden = !active;
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_imageView.layer.borderWidth = (active) ? 1/_scale : 0;
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}
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- (void)setScale:(CGFloat)scale
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{
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_scale = scale;
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self.transform = CGAffineTransformIdentity;
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_imageView.transform = CGAffineTransformMakeScale(_scale, _scale);
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CGRect rct = self.frame;
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rct.origin.x += (rct.size.width - (_imageView.width + 32)) / 2;
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rct.origin.y += (rct.size.height - (_imageView.height + 32)) / 2;
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rct.size.width = _imageView.width + 32;
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rct.size.height = _imageView.height + 32;
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self.frame = rct;
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_imageView.center = CGPointMake(rct.size.width/2, rct.size.height/2);
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self.transform = CGAffineTransformMakeRotation(_arg);
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_imageView.layer.borderWidth = 1/_scale;
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_imageView.layer.cornerRadius = 3/_scale;
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}
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- (void)viewDidTap:(UITapGestureRecognizer*)sender
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{
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[[self class] setActiveStickerView:self];
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}
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- (void)viewDidPan:(UIPanGestureRecognizer*)sender
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{
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[[self class] setActiveStickerView:self];
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CGPoint p = [sender translationInView:self.superview];
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if(sender.state == UIGestureRecognizerStateBegan){
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_initialPoint = self.center;
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}
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self.center = CGPointMake(_initialPoint.x + p.x, _initialPoint.y + p.y);
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}
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- (void)circleViewDidPan:(UIPanGestureRecognizer*)sender
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{
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CGPoint p = [sender translationInView:self.superview];
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static CGFloat tmpR = 1;
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static CGFloat tmpA = 0;
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if(sender.state == UIGestureRecognizerStateBegan){
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_initialPoint = [self.superview convertPoint:_circleView.center fromView:_circleView.superview];
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CGPoint p = CGPointMake(_initialPoint.x - self.center.x, _initialPoint.y - self.center.y);
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tmpR = sqrt(p.x*p.x + p.y*p.y);
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tmpA = atan2(p.y, p.x);
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_initialArg = _arg;
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_initialScale = _scale;
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}
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p = CGPointMake(_initialPoint.x + p.x - self.center.x, _initialPoint.y + p.y - self.center.y);
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CGFloat R = sqrt(p.x*p.x + p.y*p.y);
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CGFloat arg = atan2(p.y, p.x);
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_arg = _initialArg + arg - tmpA;
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[self setScale:MAX(_initialScale * R / tmpR, 0.2)];
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}
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@end
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