iOS Development-Control Contentmode Code change fill Pattern Summary

In the use of Uiimageview , It is sometimes necessary to set the fill mode of the contents of the picture in the code.

in order to facilitate the future work convenient to find use , the various models are now tested as follows

Test picture content fill mode static int a;-(void) test1{self.imageV.image = [UIImage imagenamed:@ "aa.jpg"];    Change the fill mode of internal content self.imageV.contentMode = A;    Display mode text UILabel *lab = [[UILabel alloc]initwithframe:cgrectmake (0, 300, 375, 100)]; Nsarray *arr = @[@ "Uiviewcontentmodescaletofill",//stretch adaptive fills the entire view @ "UIVIEWC                      Ontentmodescaleaspectfit ",//Adaptive proportional size display @" Uiviewcontentmodescaleaspectfill ",//Original size display @ "Uiviewcontentmoderedraw",//Redraw @ "Uiviewcontentmodecenter" when size changes,//           @ "Uiviewcontentmodetop",//Top @ "Uiviewcontentmodebottom", Bottom @ "Uiviewcontentmodeleft",//center sticker left @ "Uiviewcontentmoderight ",//center sticker Right @" Uiviewcontentmodetopleft ",//paste on top left @" Uiviewconte Ntmodetopright ",//Paste Right @ "uiviewcontentmodebottomleft",//paste left down @ "Uiviewcontentmodebottomright"    ,//paste right down];    Lab.text = arr[a++];    Lab.font = [Uifont systemfontofsize:20];    [Self.lab Removefromsuperview];    [Self.imagev Addsubview:lab];    Self.lab = Lab;    NSLog (@ "%s mode%d", __func__,a); if (a = =) A = 0;}

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iOS Development-Control Contentmode Code change fill Pattern Summary