Я добавляю несколько жестов в одном представлении. В представлении есть одна кнопка закрытия в углу обзора. Все работает нормально, но когда я увеличиваю масштаб, кнопка просмотра с закрытием также увеличивает масштаб с этим видом. Теперь я хочу только масштабировать что не смотрите на ту кнопку закрытия, пожалуйста, предложите мне, как это сделать?Как предотвратить изменение размера кнопки при увеличении супер-просмотра?
см. Ниже изображение для справки.
Код для щепотку Увеличить
-(void)addStickersWithView:(UIView*)view image:(UIImage*)image{
CGPoint center = self.imgPhoto.center;
UIImageView *imgView = [[UIImageView alloc] initWithImage:image];
UIRotationGestureRecognizer *rotationGesture = [[UIRotationGestureRecognizer alloc] initWithTarget:self action:@selector(rotatePiece:)];
[imgView setContentMode:UIViewContentModeScaleToFill];
UIView *viewZoom = [[UIView alloc] initWithFrame:CGRectMake(center.x-45,center.y-45, 90, 90)];
// [viewZoom setBackgroundColor:[UIColor redColor]];
imgView.frame = CGRectMake(5, 5, CGRectGetWidth(viewZoom.frame)-10, CGRectGetHeight(viewZoom.frame)-10);
[viewZoom addSubview:imgView];
[viewZoom addGestureRecognizer:rotationGesture];
UIPinchGestureRecognizer *pinchGesture = [[UIPinchGestureRecognizer alloc] initWithTarget:self action:@selector(scalePiece:)];
[pinchGesture setDelegate:self];
[viewZoom addGestureRecognizer:pinchGesture];
UIPanGestureRecognizer *panGesture = [[UIPanGestureRecognizer alloc] initWithTarget:self action:@selector(moveImage:)];
[panGesture setMinimumNumberOfTouches:1];
[panGesture setMaximumNumberOfTouches:1];
[viewZoom addGestureRecognizer:panGesture];
UIButton *btnCloseSticker = [UIButton buttonWithType:UIButtonTypeCustom];
[btnCloseSticker setBounds:CGRectMake(0, 0, 30,30)];
[btnCloseSticker setImage:[UIImage imageNamed:@"close1.png"] forState:UIControlStateNormal];
[btnCloseSticker addTarget:self action:@selector(buttonPressed:) forControlEvents:UIControlEventTouchUpInside];
self.stickerCount++;
btnCloseSticker.tag = self.stickerCount;
UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(TapToShowClose:)];
tapGesture.numberOfTapsRequired = 2;
[viewZoom addGestureRecognizer:tapGesture];
viewZoom.layer.borderColor = [UIColor whiteColor].CGColor;
viewZoom.layer.borderWidth = 3.0;
viewZoom.tag = self.stickerCount+kTagBorder;
[viewZoom addSubview:btnCloseSticker];
[view addSubview:viewZoom];
}
-(void)hideShowBorderCloseButton{
int borderCount = self.stickerCount-kTagBorder;
for(int i=1;i<=borderCount;i++){
UIView *view = [self.viewStickers viewWithTag:i+kTagBorder];
UIView *view1 = [self.viewStickers viewWithTag:i+(kTagBorder*2)];
view.hidden = YES;
view1.layer.borderWidth = 0.0;
}
}
-(void)buttonPressed:(id)sender{
UIView *view = [sender superview];
[view removeFromSuperview];
self.stickerCount--;
}
- (void)scalePiece:(UIPinchGestureRecognizer *)gestureRecognizer {
if([gestureRecognizer state] == UIGestureRecognizerStateBegan) {
// Reset the last scale, necessary if there are multiple objects with different scales
lastScale = [gestureRecognizer scale];
}
UIButton *btn = [self.viewStickers viewWithTag:gestureRecognizer.view.tag-kTagBorder];
if ([gestureRecognizer state] == UIGestureRecognizerStateBegan ||
[gestureRecognizer state] == UIGestureRecognizerStateChanged) {
CGFloat currentScale = [[[gestureRecognizer view].layer valueForKeyPath:@"transform.scale"] floatValue];
// Constants to adjust the max/min values of zoom
const CGFloat kMaxScale = 3.0;
const CGFloat kMinScale = 1.0;
CGFloat newScale = 1 - (lastScale - [gestureRecognizer scale]);
newScale = MIN(newScale, kMaxScale/currentScale);
newScale = MAX(newScale, kMinScale/currentScale);
CGAffineTransform transform = CGAffineTransformScale([[gestureRecognizer view] transform], newScale, newScale);
[gestureRecognizer view].transform = transform;
lastScale = [gestureRecognizer scale]; // Store the previous scale factor for the next pinch gesture call
}
}
-(void)TapToShowClose:(UITapGestureRecognizer *)gestureRecognizer{
//int borderCount = self.stickerCount-kTagBorder;
UIView *view = gestureRecognizer.view; //cast pointer to the derived class if needed
view.layer.borderWidth = 2.0;
UIView *view1 = [self.viewStickers viewWithTag:view.tag-kTagBorder];
[(UIButton*)view1 setImage:[UIImage imageNamed:@"close1.png"] forState:UIControlStateNormal];
[view1 setBounds:CGRectMake(0, 0, 30,30)];
view1.hidden = NO;
}
- (void)moveImage:(UIPanGestureRecognizer *)recognizer
{
CGPoint newCenter = [recognizer translationInView:self.view];
[self hideShowBorderCloseButton];
if([recognizer state] == UIGestureRecognizerStateBegan) {
beginX = recognizer.view.center.x;
beginY = recognizer.view.center.y;
}
newCenter = CGPointMake(beginX + newCenter.x, beginY + newCenter.y);
[recognizer.view setCenter:newCenter];
}
- (BOOL)gestureRecognizer:(UIGestureRecognizer *)gestureRecognizer shouldRecognizeSimultaneouslyWithGestureRecognizer:(UIGestureRecognizer *)otherGestureRecognizer {
// if the gesture recognizers are on different views, don't allow simultaneous recognition
if (gestureRecognizer.view != otherGestureRecognizer.view)
return NO;
// if either of the gesture recognizers is the long press, don't allow simultaneous recognition
if ([gestureRecognizer isKindOfClass:[UILongPressGestureRecognizer class]] || [otherGestureRecognizer isKindOfClass:[UILongPressGestureRecognizer class]])
return NO;
return YES;
}
- (void)rotatePiece:(UIRotationGestureRecognizer *)gestureRecognizer {
[self adjustAnchorPointForGestureRecognizer:gestureRecognizer];
[self hideShowBorderCloseButton];
if ([gestureRecognizer state] == UIGestureRecognizerStateBegan || [gestureRecognizer state] == UIGestureRecognizerStateChanged) {
[gestureRecognizer view].transform = CGAffineTransformRotate([[gestureRecognizer view] transform], [gestureRecognizer rotation]);
[gestureRecognizer setRotation:0];
}
}
- (void)adjustAnchorPointForGestureRecognizer:(UIGestureRecognizer *)gestureRecognizer {
[self hideShowBorderCloseButton];
if (gestureRecognizer.state == UIGestureRecognizerStateBegan) {
UIView *piece = gestureRecognizer.view;
CGPoint locationInView = [gestureRecognizer locationInView:piece];
CGPoint locationInSuperview = [gestureRecognizer locationInView:piece.superview];
piece.layer.anchorPoint = CGPointMake(locationInView.x/piece.bounds.size.width, locationInView.y/piece.bounds.size.height);
piece.center = locationInSuperview;
}
}
просьба сообщить код –
Моего вопроса не связанные с кодом .. Я добавляю щепотку масштабирование и его работает нормально, но не хочу, чтобы увеличить кнопку закрытия с точкой зрения, как это сделать? –
Извините, приятель его очень трудно понять, что не так, не видя логики. Во всяком случае, должно быть что-то, что вы должны были сделать при масштабировании, что сделало близкое увеличение кнопки. Иначе этого не должно быть. –