iphone上如何绘制点状图

核心提示：先上效果图：直接贴上完整的实现代码， 看不懂的地方自己google查询，iphone上如何绘制点状图，学习，CustomPolylineView.h01//create by suruiqiang 10.10.802#import 0304// 点状图05@interface CustomPolylineView :

先上效果图：

直接贴上完整的实现代码， 看不懂的地方自己google查询，学习。

CustomPolylineView.h

01//create by suruiqiang 10.10.8

02#import

03

04// 点状图

05@interface CustomPolylineView : UIView {

06

07 NSArray* dataSource;

08 NSMutableArray* dataSourceAfterPorcess;

09 float maxValue, minValue, averageScaleValue, columnWidth;

10 float standardValue;

11 int numberOfPlayedTimes,IntervalValue;

12 UIImage* ballImage;

13}

14@property(nonatomic, retain)NSArray* dataSource;

15@property(nonatomic, retain)NSMutableArray* dataSourceAfterPorcess;

16@property(nonatomic,assign)float standardValue;

17@end

CustomPolylineView.m

001//

002// CustomPolylineView.m

003// GolfSense

004//

005// Created by suruiqiang on 10/8/10.

006// Copyright 2010 __MyCompanyName__. All rights reserved.

007//

008

009#import "CustomPolylineView.h"

010#define MARGIN_LEFTSIDE 20

011#define MARGIN_BOTTOM_SIDE 20

012#define MARGIN_TOP_SIDE 10

013@interface CustomPolylineView(private)

014-(void)drawScale:(CGContextRef)context rect:(CGRect)_rect;

015-(void)calcScale:(CGRect)_rect;

016-(UIImage*)createImage;

017@end

018

019@implementation CustomPolylineView

020@synthesize dataSource;

021@synthesize dataSourceAfterPorcess;

022@synthesize standardValue;

023

024- (id)initWithFrame:(CGRect)frame {

025 if ((self = [super initWithFrame:frame])) {

026 // Initialization code