//
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// JHChart.m
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// JHChartDemo
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//
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// Created by cjatech-简豪 on 16/4/10.
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// Copyright © 2016年 JH. All rights reserved.
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//
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#import "JHChart.h"
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@interface JHChart()
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@end
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@implementation JHChart
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/*
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// Only override drawRect: if you perform custom drawing.
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// An empty implementation adversely affects performance during animation.
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- (void)drawRect:(CGRect)rect {
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// Drawing code
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}
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*/
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-(void)showAnimation{
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}
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-(void)clear{
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}
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/**
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* 绘制线段
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*
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* @param context 图形绘制上下文
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* @param start 起点
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* @param end 终点
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* @param isDotted 是否是虚线
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* @param color 线段颜色
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*/
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- (void)drawLineWithContext:(CGContextRef )context andStarPoint:(CGPoint )start andEndPoint:(CGPoint)end andIsDottedLine:(BOOL)isDotted andColor:(UIColor *)color{
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// 移动到点
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CGContextMoveToPoint(context, start.x, start.y);
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// 连接到
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CGContextAddLineToPoint(context, end.x, end.y);
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CGContextSetLineWidth(context, 0.5);
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[color setStroke];
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if (isDotted) {
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CGFloat ss[] = {0.5,2};
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CGContextSetLineDash(context, 0, ss, 2);
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}
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CGContextMoveToPoint(context, end.x, end.y);
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CGContextDrawPath(context, kCGPathFillStroke);
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}
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/**
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* 绘制文字
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*
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* @param text 文字内容
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* @param context 图形绘制上下文
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* @param rect 绘制点
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* @param color 绘制颜色
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*/
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- (void)drawText:(NSString *)text andContext:(CGContextRef )context atPoint:(CGPoint )rect WithColor:(UIColor *)color andFontSize:(CGFloat)fontSize{
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[[NSString stringWithFormat:@"%@",text] drawAtPoint:rect withAttributes:@{NSFontAttributeName:[UIFont systemFontOfSize:fontSize],NSForegroundColorAttributeName:color}];
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[color setFill];
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CGContextDrawPath(context, kCGPathFill);
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}
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- (void)drawText:(NSString *)text context:(CGContextRef )context atPoint:(CGRect )rect WithColor:(UIColor *)color font:(UIFont*)font{
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// [[NSString stringWithFormat:@"%@",text] drawAtPoint:rect withAttributes:@{NSFontAttributeName:font,NSForegroundColorAttributeName:color}];
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[[NSString stringWithFormat:@"%@",text] drawInRect:rect withAttributes:@{NSFontAttributeName:font,NSForegroundColorAttributeName:color}];
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[color setFill];
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CGContextDrawPath(context, kCGPathFill);
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}
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/**
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* 判断文本宽度
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*
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* @param text 文本内容
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*
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* @return 文本宽度
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*/
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- (CGFloat)getTextWithWhenDrawWithText:(NSString *)text{
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CGSize size = [[NSString stringWithFormat:@"%@",text] boundingRectWithSize:CGSizeMake(100, 15) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:7]} context:nil].size;
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return size.width;
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}
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/**
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* 绘制长方形
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*
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* @param color 填充颜色
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* @param p 开始点
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* @param contex 图形上下文
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*/
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- (void)drawQuartWithColor:(UIColor *)color andBeginPoint:(CGPoint)p andContext:(CGContextRef)contex{
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CGContextAddRect(contex, CGRectMake(p.x, p.y, 10, 10));
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[color setFill];
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[color setStroke];
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CGContextDrawPath(contex, kCGPathFillStroke);
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}
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- (void)drawPointWithRedius:(CGFloat)redius andColor:(UIColor *)color andPoint:(CGPoint)p andContext:(CGContextRef)contex{
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CGContextAddArc(contex, p.x, p.y, redius, 0, M_PI * 2, YES);
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[color setFill];
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CGContextDrawPath(contex, kCGPathFill);
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}
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/**
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* 返回字符串的占用尺寸
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*
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* @param maxSize 最大尺寸
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* @param fontSize 字号大小
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* @param aimString 目标字符串
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*
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* @return 占用尺寸
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*/
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- (CGSize)sizeOfStringWithMaxSize:(CGSize)maxSize textFont:(CGFloat)fontSize aimString:(NSString *)aimString{
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return [aimString boundingRectWithSize:maxSize options:NSStringDrawingUsesFontLeading|NSStringDrawingUsesLineFragmentOrigin|NSStringDrawingTruncatesLastVisibleLine attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:fontSize]} context:nil].size;
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}
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@end
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