Set UIImage Fillet

Set UIImage Fillet

@interface UIImage (Uiroundedrectimage)

+ (ID) createroundedrectimage: (uiimage*) Image size: (cgsize) size;

@end

@implementation UIImage (Uiroundedrectimage)

static void Addroundedrecttopath (Cgcontextref context, CGRect rect, float ovalwidth,

float ovalheight)

{

float FW,FH;

if (Ovalwidth = = 0 | | ovalheight = = 0) {

Cgcontextaddrect (context, rect);

Return

}

Cgcontextsavegstate (context);

CGCONTEXTTRANSLATECTM (Context, Cgrectgetminx (rect), Cgrectgetminy (rect));

CGCONTEXTSCALECTM (context, ovalwidth, ovalheight);

FW = Cgrectgetwidth (rect)/ovalwidth;

FH = cgrectgetheight (rect)/ovalheight;

Cgcontextmovetopoint (Context, FW, FH/2); Start at lower right corner

Cgcontextaddarctopoint (context, FW, FH, FW/2, FH, 1); Top right Corner

Cgcontextaddarctopoint (context, 0, FH, 0, FH/2, 1); Top left corner

Cgcontextaddarctopoint (context, 0, 0, FW/2, 0, 1); Lower left corner

Cgcontextaddarctopoint (context, FW, 0, FW, FH/2, 1); Back to lower right

Cgcontextclosepath (context);

Cgcontextrestoregstate (context);

}

+ (ID) createroundedrectimage: (uiimage*) Image size: (cgsize) size

{

The size of Cgcontextref

int w = size.width;

int h = size.height;

UIImage *img = image;

Cgcolorspaceref colorspace = Cgcolorspacecreatedevicergb ();

Cgcontextref context = Cgbitmapcontextcreate (NULL, W, H, 8, 4 * W, Colorspace,kcgimagealphapremultipliedfirst);

CGRect rect = CGRectMake (0, 0, W, h);

Cgcontextbeginpath (context);

Addroundedrecttopath (Context, Rect, 5, 5);

Cgcontextclosepath (context);

Cgcontextclip (context);

Cgcontextdrawimage (context, CGRectMake (0, 0, W, h), IMG. Cgimage);

Cgimageref imagemasked = cgbitmapcontextcreateimage (context);

Cgcontextrelease (context);

Cgcolorspacerelease (ColorSpace);

return [UIImage imagewithcgimage:imagemasked];

}

@end

Set UIImage Fillet