Drawing lines for iOS image processing

-(void) DrawLine: (cgpoint) frompnt topoint: (cgpoint) topnt{

float XScale = theimageview.image.size.width/theimageview.frame.size.width;

float Yscale = theimageview.image.size.height/theimageview.frame.size.height;

Uigraphicsbeginimagecontext (theImageView.image.size);

[Theimageview.image drawinrect:cgrectmake (0, 0, TheImageView.image.size.width, theImageView.image.size.height)];

Cgcontextsetlinecap (Uigraphicsgetcurrentcontext (), kcglinecapsquare);

Cgcontextsetlinewidth (Uigraphicsgetcurrentcontext (), 2.0*[self Returnmax:xscale Withnumber:yscale]);

Cgcontextsetallowsantialiasing (Uigraphicsgetcurrentcontext (), YES);

Cgcontextsetrgbstrokecolor (Uigraphicsgetcurrentcontext (), 1.0, 0.0, 0.0, 1.0);

Cgcontextbeginpath (Uigraphicsgetcurrentcontext ());

Cgcontextmovetopoint (Uigraphicsgetcurrentcontext (), Frompnt.x*xscale, Frompnt.y*yscale);

Cgcontextaddlinetopoint (Uigraphicsgetcurrentcontext (), Topnt.x*xscale, Topnt.y*yscale);

Cgcontextstrokepath (Uigraphicsgetcurrentcontext ());

Theimageview.image=uigraphicsgetimagefromcurrentimagecontext ();

Uigraphicsendimagecontext ();

}

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Drawing lines for iOS image processing