Comparison of Cgpath Cgcontext Uibezierpath

PATHVIEW.M//Qauze////Created by Apple on 16/6/2. copyright©2016 the year of Li Chongyang.
All rights reserved. #import "PathView.h" @implementation Pathview-(Instancetype) initWithFrame: (CGRect) Frame {if (self = [super] in
    Itwithframe:frame]) {self.backgroundcolor = [uicolor Bluecolor];
} return self;

    }-(void) DrawRect: (cgrect) rect {[Self cgpath];

    [Self cgcontext];

    [Self Bézier];
[Self drawround];
    }/* * One: Cgpath **/-(void) Cgpath {cgcontextref ref = Uigraphicsgetcurrentcontext ();
    Cgmutablepathref pathref = cgpathcreatemutable ();
    1. Set the starting point Cgpathmovetopoint (Pathref, Nil, 5, 5);
    2. Join line Cgpathaddlinetopoint (Pathref, Nil, 50, 50);
    3. Place path into Contextref Cgcontextaddpath (ref, PATHREF);

    Cgpathrelease (PATHREF);


[[Uicolor Redcolor]setstroke]; Cgcontextsetstrokecolorwithcolor (ref, [Uicolor Redcolor].
    Cgcolor); /* * This sentence must be added or not to start drawing * This is the beginning of drawing Cgpath path **/CgcontexTstrokepath (ref);
    }/* II: Draw directly with Cgcontext **/-(void) Cgcontext {cgcontextref ref = Uigraphicsgetcurrentcontext ();
    Cgcontextmovetopoint (ref, 50, 50);
    Cgcontextaddlinetopoint (ref, 100, 100);
    Cgcontextaddlinetopoint (ref, 10, 60);
    Cgcontextsetlinewidth (ref, 5);
    Cgcontextsetlinecap (ref, Kcglinecapround);

    Cgcontextsetlinejoin (ref, Kcglinejoinbevel);
    [[Uicolor Yellowcolor]setfill];


    [[Uicolor Cyancolor]setstroke]; /* * 3 ways to draw path * 1.CGCONTEXTFILLPATH (ref); Draw Fill * 2.CGContextStrokePath (ref); Draw strokes * 3.CGContextDrawPath (ref, Kcgpathfillstroke);


Draw fill and Stroke **/cgcontextdrawpath (ref, Kcgpathfillstroke);
    }/* Bézier curve **/-(void) Bézier {uibezierpath * path = [Uibezierpath Bezierpath];
    [Path Movetopoint:cgpointmake (100,100)];
    [Path Addlinetopoint:cgpointmake (200, 100)];
    [Path Addlinetopoint:cgpointmake (150, 200)];
    [Path Setlinecapstyle:kcglinecapround]; [Path Setlinejoinstyle:kcglinejoinbeVEL];
    [Path Setlinewidth:5];
    [[Uicolor Redcolor]setfill];
    [[Uicolor Yellowcolor]setstroke];
    [Path stroke];
    [Path fill];

[Path Closepath];
    }/* Bezier curve Draw circle, ellipse, Sector **/-(void) Drawround {//Draw circle Uibezierpath * Path = [Uibezierpath Bezierpath];
    [Path Addarcwithcenter:cgpointmake (radius:50) startangle:0 endangle:m_pi*1.5 Clockwise:yes];
    [Path setlinewidth:10];
    [[Uicolor Yellowcolor]setstroke];


    [Path stroke];
    Draw Ellipse Uibezierpath * path1 = [Uibezierpath bezierpathwithovalinrect:cgrectmake (0, 0, 100, 200)];
    [Path1 Setlinewidth:5];



[path1 stroke];




















 } @end