Page Turn effect

Create a new PageView integrated UIView:

#import "pageView.h"#import<CoreGraphics/CoreGraphics.h>@interfacePageView () @property (nonatomic,strong) Cagradientlayer*Leftshadowlayer, @property (nonatomic,strong) Cagradientlayer*Rightshadowlayer, @property (nonatomic,strong) Uiimageview*Leftimageview, @property (nonatomic,strong) Uiimageview*Rightimageview, @property (nonatomic) Nsuinteger initiallocation; @property (nonatomic,strong) Uiimageview*Rightbackview;@end@implementationPageView-(void) awakefromnib{[self config];}-(void) config{UIImage* image = [UIImage imagenamed:@"Raindrops"]; Self.leftimageview=[[Uiimageview alloc]init]; Self.rightimageview=[[Uiimageview alloc]init]; Self.leftImageView.userInteractionEnabled=YES; Self.rightImageView.userInteractionEnabled=YES; Self.leftImageView.frame= CGRectMake (0,0, Cgrectgetwidth (self.bounds)/2, Cgrectgetheight (self.bounds)); Self.rightImageView.layer.anchorPoint= Cgpointmake (0,0.5); Self.rightImageView.frame= CGRectMake (Cgrectgetmidx (self.bounds),0, Cgrectgetwidth (self.bounds)/2, Cgrectgetheight (self.bounds)); Self.leftImageView.image=[self clipimagewithimage:image isleftimage:yes]; Self.rightImageView.image=[self clipimagewithimage:image isleftimage:no]; Self.leftImageView.layer.mask=[self getcornerridusmashwithisleft:yes Rect:self.leftImageView.bounds]; Self.rightImageView.layer.mask=[self getcornerridusmashwithisleft:no Rect:self.rightImageView.bounds]; Self.rightbackview=[[Uiimageview alloc]init]; Self.rightBackView.frame=Self.rightImageView.bounds; Self.rightBackView.image=[self getblurandreversalimage:[self clipimagewithimage:image isleftimage:no]; Self.rightBackView.alpha=0;        [Self.rightimageview AddSubview:self.rightBackView]; Self.leftshadowlayer=[Cagradientlayer layer]; Self.leftShadowLayer.opacity=0; Self.leftShadowLayer.colors= @[(ID) [Uicolor Clearcolor]. Cgcolor, (ID) [Uicolor Blackcolor].    Cgcolor]; Self.leftShadowLayer.frame=Self.leftImageView.bounds; Self.leftShadowLayer.startPoint= Cgpointmake (1,1); Self.leftShadowLayer.startPoint= Cgpointmake (0,1);        [Self.leftImageView.layer AddSublayer:self.leftShadowLayer]; Self.rightshadowlayer=[Cagradientlayer layer]; Self.rightShadowLayer.opacity=0; Self.rightShadowLayer.colors= @[(ID) [Uicolor Clearcolor]. Cgcolor, (ID) [Uicolor Blackcolor].    Cgcolor]; Self.rightShadowLayer.frame=Self.rightImageView.bounds; Self.rightShadowLayer.startPoint= Cgpointmake (0,1); Self.rightShadowLayer.startPoint= Cgpointmake (1,1);    [Self.rightImageView.layer AddSublayer:self.rightShadowLayer];    [Self addSubview:self.leftImageView];    [Self addSubview:self.rightImageView]; Self.rightImageView.layer.transform= [Self Gettransform3dwithangle:0]; Uipangesturerecognizer* Pan =[[Uipangesturerecognizer alloc]initwithtarget:self Action: @selector (Panhandle:)]; [Self.rightimageview Addgesturerecognizer:pan];}-(Catransform3d) Gettransform3dwithangle: (cgfloat) angle{Catransform3d transform=catransform3didentity; TRANSFORM.M34=4.5/- -; Transform= Catransform3drotate (Transform,angle,0,1,0); returntransform;}-(UIImage *) Clipimagewithimage: (UIImage *) Image isleftimage: (BOOL) isleft{cgrect imagerect= CGRectMake (0,0, image.size.width/2, Image.size.height); if(!isleft) {imagerect.origin.x= image.size.width/2; } cgimageref imgref=Cgimagecreatewithimageinrect (image.    Cgimage, Imagerect); UIImage* Clipimage =[UIImage Imagewithcgimage:imgref];    Cgimagerelease (IMGREF); returnclipimage;}-(Cashapelayer *) Getcornerridusmashwithisleft: (BOOL) isleft Rect: (cgrect) rect{Cashapelayer* Layer =[Cashapelayer layer]; Uirectcorner Corner= Isleft? Uirectcornertopleft| Uirectcornerbottomleft:uirectcornertopright|Uirectcornerbottomright; Layer.path= [Uibezierpath bezierpathwithroundedrect:rect byroundingcorners:corner Cornerradii:cgsizemake (Ten,Ten)].    Cgpath; returnlayer;}-(void) Panhandle: (Uipangesturerecognizer *) pan{cgpoint Location=[Pan locationinview:self]; if(Pan.state = =Uigesturerecognizerstatebegan) {self.initiallocation=location.x; } NSLog (@"y:%@", [Self.rightImageView.layer Valueforkeypath:@"TRANSFORM.ROTATION.Y"]); NSLog (@"x:%@", [Self.rightImageView.layer Valueforkeypath:@"transform.rotation.x"]); if([[Self.rightImageView.layer Valueforkeypath:@"TRANSFORM.ROTATION.Y"] Floatvalue] >-m_pi_2&& ([[Self.rightImageView.layer Valueforkeypath:@"transform.rotation.x"] Floatvalue]! =0) {NSLog (@"------------%@", [Self.rightImageView.layer Valueforkeypath:@"TRANSFORM.ROTATION.Y"]); Self.rightBackView.alpha=1; Self.rightShadowLayer.opacity=0; CGFloat opacity= (location.x-self.initiallocation)/(Cgrectgetwidth (Self.bounds)-self.initiallocation); Self.leftShadowLayer.opacity=fabs (opacity); }    Else if([[[Self.rightImageView.layer Valueforkeypath:@"TRANSFORM.ROTATION.Y"] Floatvalue] >-m_pi_2) && ([[Self.rightImageView.layer Valueforkeypath:@"TRANSFORM.ROTATION.Y"] floatvalue]<0) && ([[Self.rightImageView.layer Valueforkeypath:@"transform.rotation.x"] floatvalue] = =0) ) {Self.rightBackView.alpha=0; CGFloat opacity= (location.x-self.initiallocation)/(Cgrectgetwidth (Self.bounds)-self.initiallocation); //self.rightShadowLayer.opacity = 0;Self.rightShadowLayer.opacity =fabs (Opacity) *0.5 ; Self.leftShadowLayer.opacity=fabs (Opacity) *0.5; }    if([self islocation:location inview:self]) {cgfloat conversiofactor= m_pi/(Cgrectgetwidth (self.bounds)-self.initiallocation); Self.rightImageView.layer.transform= [Self Gettransform3dwithangle: (location.x-self.initiallocation) *Conversiofactor]; }    Else{pan.enabled=NO; Pan.enabled=YES; }    if(pan.state = = uigesturerecognizerstateended| | Pan.state = =uigesturerecognizerstatecancelled)    {        ; }}-(BOOL) Islocation: (cgpoint) Location InView: (UIView *) view{if((location.x>0&& location.x<cgrectgetwidth (view.frame) && (location.y>0&&location.y<cgrectgetheight (view.frame))) {        returnYES; }    Else    {        returnNO; }}-(UIImage *) Getblurandreversalimage: (UIImage *) image{Cicontext* Context =[Cicontext Contextwithoptions:nil]; Ciimage* Inputimage =[Ciimage imagewithcgimage:image.    Cgimage]; Cifilter* Filter = [Cifilter filterwithname:@"Cigaussianblur"];    [Filter Setvalue:inputimage Forkey:kciinputimagekey]; [Filter Setvalue:[nsnumber numberwithfloat:10.0f] Forkey:@"Inputradius"]; Ciimage* result =[Filter Valueforkey:kcioutputimagekey]; Result= [Result Imagebyapplyingtransform:cgaffinetransformmaketranslation (-1,1)]; Cgimagerefref=[Context Createcgimage:result fromrect:[inputimage extent]; UIImage* Returnimage = [UIImage imagewithcgimage:ref]; Cgimagerelease (ref); returnreturnimage;}@end

In VC inside will this pageview reality can be, slide picture can see the effect of the page turn ...

Page Turn effect