아이폰 - 아이폰 - 쿼츠로 2D 그래픽 그리는 코드 입니다.

아이폰 - 쿼츠로 2D 그래픽 그리는 코드 입니다.	조회 : 123

나의 폴더 > 아이폰 | 2012-12-13 (Thu) 14:50	http://blog.dreamwiz.com/papasmf1/13911373

// //  draw2D.h //  DemoDraw2D // //  Created by JONG DUK KIM on 12. 12. 13.. //  Copyright (c) 2012년 JONG DUK KIM. All rights reserved. // #import <UIKit/UIKit.h> //0) 탭기반 애플리케이션 템플릿으로 DemoDraw2D라는 이름의 프로젝트를 //생성합니다. //1)UIView를 상속받은 draw2D를 추가(xib없음) // 새로운 파일을 프로젝트에 추가하면서 UIView를 상속받으면 됩니다. //2)drawRect를 재정의한다.  @interface draw2D : UIView @end // //  draw2D.m //  DemoDraw2D // //  Created by JONG DUK KIM on 12. 12. 13.. //  Copyright (c) 2012년 JONG DUK KIM. All rights reserved. // #import "draw2D.h" @implementation draw2D - (id)initWithFrame:(CGRect)frame {     self = [super initWithFrame:frame];     if (self) {         // Initialization code     }     return self; } // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect {     //--------------------------     //1) 직선 그리기      //뷰의 그래픽 컨텍스트 얻기      CGContextRef context = UIGraphicsGetCurrentContext();     //그리기에 사용할 선의 두께     CGContextSetLineWidth(context, 5.0);     //색공간     CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();     //불투명한 파란색     CGFloat components[] = { 0.0, 0.0, 1.0, 1.0};     CGColorRef color = CGColorCreate(colorSpace, components);     //선을 그리는데 사용할 색상을 지정      CGContextSetStrokeColorWithColor(context, color);     //시작점으로 이동      CGContextMoveToPoint(context, 0, 0);     //여기까지 그린다.      CGContextAddLineToPoint(context, 300, 400);          CGContextStrokePath(context);     CGColorSpaceRelease(colorSpace);     CGColorRelease(color);      //-------------------------- } @end // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect {     //2) 경로 그리기     //--------------------------     CGContextRef context = UIGraphicsGetCurrentContext();     CGContextSetLineWidth(context, 5.0);     //좀 더 쉽게 색상 구하는 코드     CGContextSetStrokeColorWithColor(context, [UIColor blueColor].CGColor);     CGContextMoveToPoint(context, 100, 100);     CGContextAddLineToPoint(context, 150, 150);     CGContextAddLineToPoint(context, 100, 200);     CGContextAddLineToPoint(context, 50, 150);     CGContextAddLineToPoint(context, 100, 100);     CGContextStrokePath(context);     //-------------------------- } // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect {          //4) 원 그리기     //--------------------------     CGContextRef context = UIGraphicsGetCurrentContext();     CGContextSetLineWidth(context, 5.0);     //좀 더 쉽게 색상 구하는 코드     CGContextSetStrokeColorWithColor(context, [UIColor blueColor].CGColor);     CGRect rectangle = CGRectMake(50, 50, 200, 80);     CGContextAddEllipseInRect(context, rectangle);     CGContextStrokePath(context);     //-------------------------- } // Only override drawRect: if you perform custom drawing. // An empty implementation adversely affects performance during animation. - (void)drawRect:(CGRect)rect {     //3) 사각형 그리기     //--------------------------     CGContextRef context = UIGraphicsGetCurrentContext();     CGContextSetLineWidth(context, 5.0);     //좀 더 쉽게 색상 구하는 코드     CGContextSetStrokeColorWithColor(context, [UIColor blueColor].CGColor);     CGRect rectangle = CGRectMake(50, 50, 200, 80);     CGContextAddRect(context, rectangle);     CGContextStrokePath(context);     //--------------------------      }