IOS Draw a circle head

Demo:http://pan.baidu.com/s/1mgbf6yg

_logoimageview . Image = [self getellipseimagewithimage: [UIImageimagenamed :@ "1_wsq724439564.jpg"];

-(UIImage*) Getellipseimagewithimage: (UIImage*) originimage

{

cgfloat padding = 5; // the margin of a circular image from an image

uicolor* epsbackcolor = [uicolorgreencolor]; // background color of the image

cgsize originsize = originimage. size;

cgrect originrect = cgrectmake(0, 0, originsize. Width, originsize. height);

uigraphicsbeginimagecontext(originsize);

cgcontextref ctx =uigraphicsgetcurrentcontext();

// target area.

cgrect desrect = cgrectmake(padding, padding,originsize. Width-(padding*2), Originsize. Height-(padding*2));

// set fill background color.

cgcontextsetfillcolorwithcolor(CTX, Epsbackcolor. Cgcolor );

Uirectfill (Originrect); // the real fill

// set ellipse deform area.

cgcontextaddellipseinrect(ctx,desrect);

cgcontextclip(CTX); // intercepts elliptical regions.

[Originimage drawinrect: Originrect]; // draws the image in the target area.

UIImage* desimage =uigraphicsgetimagefromcurrentimagecontext();

uigraphicsendimagecontext();

return desimage;

}

A rounded head with a border.

-(UIImage*) Getellipseimagewithimage: (UIImage*) originimage

{

cgfloat padding = 5; // the margin of a circular image from an image

uicolor* epsbackcolor = [uicolorgreencolor]; // background color of the image

cgsize originsize = originimage. size;

cgrect originrect = cgrectmake(0, 0, originsize. Width, originsize. height);

uigraphicsbeginimagecontext(originsize);

cgcontextref ctx =uigraphicsgetcurrentcontext();

// target area.

cgrect desrect = cgrectmake(padding, padding,originsize. Width-(padding*2), Originsize. Height-(padding*2));

// set fill background color.

cgcontextsetfillcolorwithcolor(CTX, Epsbackcolor. Cgcolor );

Uirectfill (Originrect); // the real fill

// set ellipse deform area.

cgcontextaddellipseinrect(ctx,desrect);

cgcontextclip(CTX); // intercepts elliptical regions.

[Originimage drawinrect: Originrect]; // draws the image in the target area.

// border //

cgfloat borderWidth = ten;

cgcontextsetstrokecolorwithcolor(CTX, [uicolorwhitecolor]. Cgcolor ); // Set Border color

cgcontextsetlinecap(CTX,Kcglinecapbutt);

Cgcontextsetlinewidth (CTX, BorderWidth); // sets the border width.

cgcontextaddellipseinrect(CTX, desrect); // Draw a circle in this box

Cgcontextstrokepath(CTX); // The stroke border.

// border //

UIImage* desimage =uigraphicsgetimagefromcurrentimagecontext(); // gets the image in the context of the current drawing.

uigraphicsendimagecontext();

return desimage;

}