Strategy 10-4: Zooming the image

-(void) Configuredetailswithimage: (UIImage *) Image label: (NSString *) label Showsbuttons: (BOOL) showsbutton{    = image;     = label;     if (Showsbutton = = NO)    {        = YES;         = YES;    }     Else if (Showsbutton = = YES)    {        = NO;         = NO;    }}

-(void) Setmainimage: (UIImage *) image{    [Self.filteredimages removeallobjects];     if (Image! = nil)    {        [self populateimageviewwithimage:image];    }         = image;     *currentindexpath = Self.tableView.indexPathForSelectedRow;    [Self.tableview Reloaddata];    [Self.tableview Selectrowatindexpath:currentindexpath Animated:yes scrollposition:uitableviewscrollpositiontop];}

1+ (UIImage *) Scaleimage: (UIImage *) Image tosize: (cgsize) Size2 {3 uigraphicsbeginimagecontext (size);4[Image Drawinrect:cgrectmake (0,0, Size.width, Size.Height)];5UIImage *scaledimage =Uigraphicsgetimagefromcurrentimagecontext ();6 Uigraphicsendimagecontext ();7     returnScaledimage;8 }9 Ten+ (UIImage *) Aspectscaleimage: (UIImage *) Image tosize: (cgsize) Size One { A     if(Image.size.height <image.size.width) -     { -         floatRatio = Size.Height/Image.size.height; theCgsize newSize = Cgsizemake (Image.size.width *ratio, size.height); -          - Uigraphicsbeginimagecontext (newSize); -[Image Drawinrect:cgrectmake (0,0, Newsize.width, Newsize.height)]; +     } -     Else +     { A         floatRatio = Size.width/Image.size.width; atCgsize newSize = Cgsizemake (Size.width, image.size.height*ratio); -          - Uigraphicsbeginimagecontext (newSize); -[Image Drawinrect:cgrectmake (0,0, Newsize.width, Newsize.height)]; -     } -UIImage *aspectscaledimage =Uigraphicsgetimagefromcurrentimagecontext (); in Uigraphicsendimagecontext (); -     returnAspectscaledimage; to } +  -+ (UIImage *) Aspectfillimage: (UIImage *) Image tosize: (cgsize) Size the { * uigraphicsbeginimagecontext (size); $     if(image.size.height<image.size.width)Panax Notoginseng     { -         floatRatio = size.height/Image.size.height; the[Image Drawinrect:cgrectmake (0,0, image.size.width*ratio, size.height)]; +     } A     Else the     { +         floatRatio = size.width/Image.size.width; -[Image Drawinrect:cgrectmake (0,0, Size.width, image.size.height*ratio)]; $     } $UIImage *aspectscaledimage =Uigraphicsgetimagefromcurrentimagecontext (); - Uigraphicsendimagecontext (); -     returnAspectscaledimage; the}

1- (void) TableView: (UITableView *) TableView Didselectrowatindexpath: (Nsindexpath *) Indexpath2 {3     if(Self.mainimage! =Nil)4     {5UIImage *image;6NSString *label;7BOOL showsbuttons =NO;8         if(Indexpath.row = =0)9         {TenImage =Self.mainimage; OneLabel =@"Select an Image to Display"; AShowsbuttons =YES; -         } -         Else if(Indexpath.row = =1) the         { -Image =[Masterviewcontroller scaleImage:self.mainImage toSize:self.detailViewController.imageView.frame.size]; -Label =@"Chosen Image Resized"; -         } +         Else if(Indexpath.row = =2) -         { +Image =[Masterviewcontroller aspectScaleImage:self.mainImage toSize:self.detailViewController.imageView.frame.size] ; ALabel =@"Chosen Image Scaled"; at         } -         Else if(Indexpath.row = =3) -         { -Image = [Self.filteredimages objectatindex:0]; -Cgsize contentsize =self.detailViewController.imageView.frame.size; -Image =[Masterviewcontroller aspectscaleimage:image tosize:contentsize]; inLabel =@"Hue Adjustment"; -         } to         Else if(Indexpath.row = =4) +         { -Image = [Self.filteredimages objectatindex:1]; theCgsize contentsize =self.detailViewController.imageView.frame.size; *Image =[Masterviewcontroller aspectscaleimage:image tosize:contentsize]; $Label =@"Straightening Filter";Panax Notoginseng         } -         Else if(Indexpath.row = =5) the         { +Image = [Self.filteredimages objectatindex:2]; ACgsize contentsize =self.detailViewController.imageView.frame.size; theImage =[Masterviewcontroller aspectscaleimage:image tosize:contentsize]; +Label =@"Series Filter"; -         } $ [Self.detailviewcontroller configuredetailswithimage:image Label:label showsbuttons:showsbuttons]; $     } -}

Strategy 10-4: Zooming the image