绘图工具类
总结:大部分绘图时,由于每个需求不一样,分享一点绘图必用的工具类,多次实践,简单实用.
使用方法:将需要绘图的View继承这个类,就可调用里面的方法.
涵盖内容:折线,曲线,直线,圆形,文字绘制,数值点转View的点位等内容.
```
@interface GYJDrawSuperView : UIView
typedef enum
{
//点处于文字的那个位置
TextLocationAtLeftTop,//左上角
TextLocationAtLeftBottom,//左下角
TextLocationAtRightTop,//右上角
TextLocationAtRightBottom,//右下角
TextLocationAtCenter,//居中
TextLocationAtCenterUp,//上方中间
TextLocationAtCenterDown,//下方中间
TextLocationAtleftCenter,//左边中间
TextLocationAtRightCenter,//右边中间
}TextLocationType;
typedef enum
{
CommonDerectionType,//X轴从左到右数字变大 或 Y轴从下到上变大
ReverseDerectionType,//X轴从左到右数字变小 或 Y轴从下到上变小
}AxisDerectionType;
typedef enum
{
//_哪根轴_往轴的那个方向_分割线处于轴的哪边
GYJSeparated_X_Left_Up, //X轴往左分割,分割线处于X轴上方
GYJSeparated_X_Left_Down, //X轴往左分割,分割线处于X轴下方
GYJSeparated_X_Right_Up, //X轴往右分割,分割线处于X轴上方
GYJSeparated_X_Right_Down, //X轴往右分割,分割线处于X轴下方
GYJSeparated_Y_Up_Left, //Y轴往上分割,分割线处于Y轴左边
GYJSeparated_Y_Up_Right, //Y轴往上分割,分割线处于Y轴右边
GYJSeparated_Y_Down_Left, //Y轴往下分割,分割线处于Y轴左边
GYJSeparated_Y_Down_Right, //Y轴往下分割,分割线处于Y轴右边
}GYJSeparatedType;
#pragma mark- *************************** 直线(虚线) ***************************
/**
绘制直线
@param startPoint 起点
@paramendPoint终点
@paramlineWidth线宽
@paramisDottedLine是否是虚线
@paramlineColor线的颜色
*/
- (void)GYJ_drawLineWithStartPoint:(CGPoint)startPoint andEndPoint:(CGPoint)endPoint andLineWidth:(CGFloat) lineWidth andIsDottedLine:(BOOL)isDottedLine andLineColor:(UIColor *)lineColor;
#pragma mark- *************************** 圆形 ***************************
/**
绘制圆
@param centerPoint 圆心
@paramradius半径
@paramcycleColor线条颜色
@paramisFill是否实心绘制/空心
*/
- (void)GYJ_drawCycleWithPoint:(CGPoint)centerPointandRadius:(CGFloat)radiusandColor:(UIColor*)cycleColorandIsFill:(BOOL)isFill;
- (void)GYJ_drawCycleWithPoint:(CGPoint)centerPointandRadius:(CGFloat)radiusandStrokeColor:(UIColor*)strokeColorandFillColor:(UIColor*)fillColor;
- (void)GYJ_drawCycleWithPoint:(CGPoint)centerPointradius:(CGFloat)radiuslineWidth:(CGFloat)lineWidthstokeColor:(UIColor*)stokeColorfillColor:(UIColor*)fillColor;
#pragma mark- *************************** 绘制文字 ***************************
/**
绘制文字(文字位置由textType类型决定)
@paramtextStr文本内容
@paramtextFont字号
@paramtextColor字体颜色
@paramtextTypecurrentPoint处于文字的哪个位置
@param currentPoint 基础点
*/
- (void)GYJ_drawTextWithText:(NSString *)textStr andTextFont:(CGFloat)textFont andTextColor:(UIColor *)textColor andTextLocationType:(TextLocationType)textType andCurrentPoint:(CGPoint)currentPoint;
#pragma mark- *************************** 原始点转换为视图上的点 ***************************
/**
将正常状况下的坐标系的后台的点数组转换为视图中的点数组
注意:此方法在正常坐标系下为前提
@paramoriginalPoints原始点的数组(后台数据) [NSValue valueWithCGPoint:CGPoint] 类型
@paramzeroPoint视图中坐标点为(0,0)的点
@paramxScale原始X点/视图X点 缩放系数
@paramyScale原始Y点/视图Y点 缩放系数
@return 返回转换成视图中的点数组
*/
- (NSArray <NSValue *>*)GYJ_changeOriginalPointsToViewPointsAtDeafaultDerection:(NSArray <NSValue *>*)originalPoints viewZeroPoint:(CGPoint)zeroPoint XScale:(CGFloat)xScale YScale:(CGFloat)yScale;
/**
根据特殊坐标系转换视图中的点
@paramoriginalPoints原始点的数组(后台数据) [NSValue valueWithCGPoint:CGPoint] 类型
@paramzeroPoint视图中坐标点为(0,0)的点
@paramxScale原始X点/视图X点 缩放系数
@paramyScale原始Y点/视图Y点 缩放系数
@paramxTypeCommonDerectionType(X轴从左到右数字变大) ReverseDerectionType(X轴从左到右数字变小)
@paramyTypeCommonDerectionType(Y轴从下到上变大) ReverseDerectionType(Y轴从下到上变小)
@return 返回转换成视图中的点数组
*/
- (NSArray <NSValue *>*)GYJ_changeOriginalPointsToViewPoints:(NSArray <NSValue *>*)originalPoints viewZeroPoint:(CGPoint)zeroPoint XScale:(CGFloat)xScale YScale:(CGFloat)yScale xAxisDerectionType:(AxisDerectionType)xType YaxisDerectionType:(AxisDerectionType)yType;
/**
单个点转换
@paramoriginalPoint原始点的数组(后台数据) [NSValue valueWithCGPoint:CGPoint] 类型
@paramzeroPoint视图中坐标点为(0,0)的点
@paramxScale原始X点/视图X点 缩放系数
@paramyScale原始Y点/视图Y点 缩放系数
@paramxTypeCommonDerectionType(X轴从左到右数字变大) ReverseDerectionType(X轴从左到右数字变小)
@paramyTypeCommonDerectionType(Y轴从下到上变大) ReverseDerectionType(Y轴从下到上变小)
@return 返回转换成视图中的点
*/
- (CGPoint)GYJ_changeOrignalPointToViewPoint:(CGPoint)originalPoint viewZeroPoint:(CGPoint)zeroPoint XScale:(CGFloat)xScale YScale:(CGFloat)yScale XaxisDerectionType:(AxisDerectionType)xType YaxisDerectionType:(AxisDerectionType)yType;
#pragma mark- *************************** 射线(角度) ***************************
/**
根据X轴的起点和终点的原始数据,与X轴的夹角 计算出另一个原始点 (正切)
注意:startPoint 和 endPoint的Y值相同 正切
@paramstartPoint射线起点 如(800m,200英尺)
@paramendPoint射线终点
@paramangle射线与水平线的夹角 (直接给角度,会自动转换为弧度)
@paramratioScale原始Y点/视图Y点 X轴对比Y轴的换算系数
@paramisbigger射线的Y值是比endPoint的是否大 (区别夹角的上下方)
@return 返回该角度的另一个点
*/
- (CGPoint)GYJ_changeRayLineWithXAsixStartPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint tanAngle:(CGFloat)angle ratioXToYScale:(CGFloat)ratioScale isBigger:(BOOL)isbigger;
/**
根据X的起点和终点的原始数据,与X轴的夹角 计算出另一个原始点 (余切)
注意:startPoint 和 endPoint的Y值相同 余切
@paramstartPoint射线起点 如(800m,200英尺)
@paramendPoint射线终点 (Y值和射线起点的Y值相同的点)
@paramangle射线与水平线的夹角 (直接给角度,会自动转换为弧度)
@paramratioScale原始Y点/视图Y点 X轴对比Y轴的换算系数
@paramisbigger射线的X值是比endPoint的是否大 (区别夹角的上下方)
@return 余切的另一个点
*/
- (CGPoint)GYJ_changeRayLineWithXAsixStartPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint cotAngle:(CGFloat)angle ratioXToYScale:(CGFloat)ratioScale isBigger:(BOOL)isbigger;
#pragma mark- *************************** 绘制长方形 ***************************
/**
绘制长方形 (可填充)
@paramviewRect长方形的frame
@paramlineWidth外线框线宽
@paramfillColor填充色
@paramstrokeColor线条颜色
*/
- (void)GYJ_drawRectViewWithRect:(CGRect)viewRectlineWidth:(CGFloat)lineWidthfillColor:(UIColor*)fillColorstrokeColor:(UIColor*)strokeColor;
#pragma mark- *************************** 绘制折线/平滑 ***************************
/**
绘制折线(可将拐点进行画圆放大处理)
@parampointsArray折线点数组
@paramlineWidth线宽
@paramlineColor线条颜色
@paramisNeedEnlarge是否将转折点放大处理
@parampointsRaduis放大转折点的半径
@parampointsColor放大点的颜色
*/
- (UIBezierPath*)GYJ_drawPieceLineTogether:(NSArray*)pointsArraylineWidth:(CGFloat)lineWidthlineColor:(UIColor*)lineColor isNeedEnlargePoints:(BOOL)isNeedEnlargepointsRadius:(CGFloat)pointsRaduispointsColor:(UIColor*)pointsColor;
/**
绘制折线(纯粹)
@parampointsArray折线点数组
@paramlineWidth线宽
@paramlineColor线条颜色
*/
- (UIBezierPath*)GYJ_drawPieceLineTogether:(NSArray*)pointsArraylineWidth:(CGFloat)lineWidthlineColor:(UIColor*)lineColor;
//折线(虚线)
- (void)GYJ_drawPieceDottedLineTogether:(NSArray *)pointsArr lineWidth:(CGFloat)lineWidth lineColor:(UIColor *)lineColor;
/**
绘制平滑曲线(平滑曲线)
@parampointsArray折线点数组
@paramlineWidth线宽
@paramlineColor线条颜色
*/
- (UIBezierPath*)GYJ_drawPieceSmoothLineTogether:(NSArray*)pointsArraylineWidth:(CGFloat)lineWidthlineColor:(UIColor*)lineColor;
#pragma mark- *************************** 绘制分割线(多条平行的线) ***************************
/**
绘制分割线
@paramstartPoint分割线的起点
@paramseperateType确定是往X或Y的那个方向分割
@paramaverageMargin每份之间的间距
@paramseperateNum分割多少份
@parampointsMargin分割线起点到终点的长度
@paramlineColor线条颜色
@paramlineWidth线宽
@paramaddWidth将返回的点进行延长多少个点
@return 分割线终点的点数组
*/
- (NSArray*)GYJ_drawSeparatedWithStartPoint:(CGPoint)startPointseperateType:(GYJSeparatedType)seperateTypeaverageMargin:(CGFloat)averageMarginseperateNum:(NSInteger)seperateNumstartEndPointMargin:(CGFloat)pointsMarginlineColor:(UIColor*)lineColorlineWidth:(CGFloat)lineWidthaddWidth:(CGFloat)addWidth;
@end
```
```
#import "GYJDrawSuperView.h"
@implementation GYJDrawSuperView
//根据传入的起点和终点进行绘制直线
- (void)GYJ_drawLineWithStartPoint:(CGPoint)startPoint andEndPoint:(CGPoint)endPoint andLineWidth:(CGFloat) lineWidth andIsDottedLine:(BOOL)isDottedLine andLineColor:(UIColor *)lineColor
{
UIBezierPath *linePath = [UIBezierPath bezierPath];
linePath.lineWidth= lineWidth;
[linePathmoveToPoint:startPoint];
[linePathaddLineToPoint:endPoint];
[lineColorsetStroke];
if(isDottedLine ==YES) {//是否虚线
CGFloatlengths[] = {3,3};
[linePathsetLineDash:lengthscount:2phase:0];
}
[linePathstroke];
}
//绘制小圆圈
- (void)GYJ_drawCycleWithPoint:(CGPoint)centerPointandRadius:(CGFloat)radiusandColor:(UIColor*)cycleColorandIsFill:(BOOL)isFill
{
UIBezierPath *path = [UIBezierPath bezierPathWithArcCenter:centerPoint radius:radius startAngle:0 endAngle:M_PI*2 clockwise:YES];
if(isFill){
[cycleColorsetFill];
[pathfill];
}else{
[cycleColorsetStroke];
[pathstroke];
}
}
- (void)GYJ_drawCycleWithPoint:(CGPoint)centerPointandRadius:(CGFloat)radiusandStrokeColor:(UIColor*)strokeColorandFillColor:(UIColor*)fillColor
{
UIBezierPath *path = [UIBezierPath bezierPathWithArcCenter:centerPoint radius:radius startAngle:0 endAngle:M_PI*2 clockwise:YES];
[strokeColorsetStroke];
[fillColorsetFill];
[pathstroke];
[pathfill];
}
- (void)GYJ_drawCycleWithPoint:(CGPoint)centerPointradius:(CGFloat)radiuslineWidth:(CGFloat)lineWidthstokeColor:(UIColor*)stokeColorfillColor:(UIColor*)fillColor
{
UIBezierPath *path = [UIBezierPath bezierPathWithArcCenter:centerPoint radius:radius startAngle:0 endAngle:M_PI*2 clockwise:YES];
path.lineWidth= lineWidth;
[stokeColorsetStroke];
[fillColorsetFill];
[pathstroke];
[pathfill];
}
- (void)GYJ_drawTextWithText:(NSString *)textStr andTextFont:(CGFloat)textFont andTextColor:(UIColor *)textColor andTextLocationType:(TextLocationType)textType andCurrentPoint:(CGPoint)currentPoint
{
CGSize textSize = [textStr sizeWithAttributes:@{NSFontAttributeName:[UIFont boldSystemFontOfSize:textFont],NSForegroundColorAttributeName:textColor}];
CGPoint startPoint = [self GYJ_calculateTextLeftTopPointWithTextSize:textSize andTextLocationType:textType andCurrentPoint:currentPoint];
[textStrdrawInRect:CGRectMake(startPoint.x, startPoint.y, textSize.width, textSize.height) withAttributes:@{NSFontAttributeName:[UIFont boldSystemFontOfSize:textFont],NSForegroundColorAttributeName:textColor}];
}
//计算左上角的点
- (CGPoint)GYJ_calculateTextLeftTopPointWithTextSize:(CGSize)textSize andTextLocationType:(TextLocationType)textType andCurrentPoint:(CGPoint)currentPoint
{
switch(textType) {
case TextLocationAtLeftTop:
returncurrentPoint;
case TextLocationAtLeftBottom:
returnCGPointMake(currentPoint.x, currentPoint.y+textSize.height);
case TextLocationAtRightTop:
returnCGPointMake(currentPoint.x-textSize.width, currentPoint.y);
case TextLocationAtRightBottom:
returnCGPointMake(currentPoint.x-textSize.width, currentPoint.y-textSize.height);
case TextLocationAtCenter:
returnCGPointMake(currentPoint.x-textSize.width/2, currentPoint.y-textSize.height/2);
case TextLocationAtCenterUp:
returnCGPointMake(currentPoint.x-textSize.width/2, currentPoint.y);
case TextLocationAtCenterDown:
returnCGPointMake(currentPoint.x-textSize.width/2, currentPoint.y-textSize.height/2);
case TextLocationAtleftCenter:
returnCGPointMake(currentPoint.x, currentPoint.y-textSize.height/2);
case TextLocationAtRightCenter:
returnCGPointMake(currentPoint.x-textSize.width, currentPoint.y-textSize.height/2);
default:
returnCGPointMake(0,0);//
}
}
//将正常状况下的点数组转换为视图中的点数组
- (NSArray <NSValue *>*)GYJ_changeOriginalPointsToViewPointsAtDeafaultDerection:(NSArray <NSValue *>*)originalPoints viewZeroPoint:(CGPoint)zeroPoint XScale:(CGFloat)xScale YScale:(CGFloat)yScale
{
return [self GYJ_changeOriginalPointsToViewPoints:originalPoints viewZeroPoint:zeroPoint XScale:xScale YScale:yScale xAxisDerectionType:CommonDerectionType YaxisDerectionType:CommonDerectionType];
}
//将原始的点数组转换为视图上的点数组
- (NSArray <NSValue *>*)GYJ_changeOriginalPointsToViewPoints:(NSArray <NSValue *>*)originalPoints viewZeroPoint:(CGPoint)zeroPoint XScale:(CGFloat)xScale YScale:(CGFloat)yScale xAxisDerectionType:(AxisDerectionType)xType YaxisDerectionType:(AxisDerectionType)yType
{
NSMutableArray *tempArray = [NSMutableArray array];
for(NSIntegeri =0; i
CGPointcurrentPoint = [originalPoints[i]CGPointValue];
CGPoint finallyPoint = [self GYJ_changeOrignalPointToViewPoint:currentPoint viewZeroPoint:zeroPoint XScale:xScale YScale:yScale XaxisDerectionType:xType YaxisDerectionType:yType];
[tempArrayaddObject:[NSValuevalueWithCGPoint:finallyPoint]];
}
returntempArray.copy;
}
//将原始的点转换为视图上的点
- (CGPoint)GYJ_changeOrignalPointToViewPoint:(CGPoint)originalPoint viewZeroPoint:(CGPoint)zeroPoint XScale:(CGFloat)xScale YScale:(CGFloat)yScale XaxisDerectionType:(AxisDerectionType)xType YaxisDerectionType:(AxisDerectionType)yType
{
//得到转换后的X轴坐标
CGFloatfinallyX =0.0f;
if (xType == CommonDerectionType) {
finallyX = zeroPoint.x+ originalPoint.x* xScale;
}else if(xType == ReverseDerectionType){
finallyX = zeroPoint.x- originalPoint.x* xScale;
}
//处理转换后的Y轴坐标
CGFloatfinallyY =0.0f;
if (yType == CommonDerectionType) {
finallyY = zeroPoint.y- originalPoint.y* yScale;
}else if(yType == ReverseDerectionType){
finallyY = zeroPoint.y+ originalPoint.y* yScale;
}
returnCGPointMake(finallyX, finallyY);
}
//根据2个原始点 计算出另外一个与X轴成一定夹角的末端点
- (CGPoint)GYJ_changeRayLineWithXAsixStartPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint tanAngle:(CGFloat)angle ratioXToYScale:(CGFloat)ratioScale isBigger:(BOOL)isbigger
{
if(startPoint.y!= endPoint.y) {
NSLog(@"射线的起点和终点需保证在同一水平线上");
returnCGPointMake(0,0);
}
//计算两点间的距离 fabs(a,b)
CGFloatPointsMargin = startPoint.x- endPoint.x;//计算两点间的差
CGFloatxWidth = PointsMargin>0? PointsMargin : -PointsMargin;//计算X轴的两点间的间距
CGFloatyHeight = xWidth *tan(angle/180*M_PI)*ratioScale;//转换后Y轴的数字
CGFloatY = isbigger ==YES? (endPoint.y+yHeight) : (endPoint.y-yHeight);
returnCGPointMake(endPoint.x, Y);
}
- (CGPoint)GYJ_changeRayLineWithXAsixStartPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint cotAngle:(CGFloat)angle ratioXToYScale:(CGFloat)ratioScale isBigger:(BOOL)isbigger
{
if(startPoint.x!= endPoint.x) {
NSLog(@"射线的起点和终点需保证在同一水平线上");
returnCGPointMake(0,0);
}
//计算两点间的距离 fabs(a,b)
CGFloatPointsMargin = startPoint.y- endPoint.y;//计算两点间的差
CGFloatyHeight = PointsMargin>0? PointsMargin : -PointsMargin;//计算X轴的两点间的间距
CGFloatxWidth = yHeight /(tan(angle/180*M_PI)*ratioScale);//转换后Y轴的数字
CGFloatX = isbigger ==YES? (endPoint.x+xWidth) : (endPoint.x-xWidth);
returnCGPointMake(X, endPoint.y);
}
//绘制长方形
- (void)GYJ_drawRectViewWithRect:(CGRect)viewRectlineWidth:(CGFloat)lineWidthfillColor:(UIColor*)fillColorstrokeColor:(UIColor*)strokeColor
{
UIBezierPath *path = [UIBezierPath bezierPathWithRect:viewRect];
path.lineWidth= lineWidth;
[strokeColorsetStroke];
[pathstroke];
if(fillColor ==nil) {
return;
}
[fillColorsetFill];
[pathfill];
}
//绘制连线
- (UIBezierPath*)GYJ_drawPieceLineTogether:(NSArray*)pointsArraylineWidth:(CGFloat)lineWidthlineColor:(UIColor*)lineColor isNeedEnlargePoints:(BOOL)isNeedEnlargepointsRadius:(CGFloat)pointsRaduispointsColor:(UIColor*)pointsColorisNeedSmooth:(BOOL)isNeedSmooth
{
//绘制折线
UIBezierPath *path = [UIBezierPath bezierPath];
for(NSIntegeri =0; i
CGPointcurrentPoint = [pointsArray[i]CGPointValue];
if(i ==0) {
[pathmoveToPoint:currentPoint];
}else{
[pathaddLineToPoint:currentPoint];
}
if(isNeedEnlarge ==YES) {
UIBezierPath *pointPath = [UIBezierPath bezierPathWithArcCenter:currentPoint radius:pointsRaduis startAngle:0 endAngle:M_PI*2 clockwise:YES];
[pointsColorsetFill];
[pointPathfill];
}
}
path.lineWidth= lineWidth;
if(isNeedSmooth) {
path = [pathsmoothedPathWithGranularity:100];//将折线平滑处理
}
[lineColorsetStroke];
[pathstroke];
//绘制圆点
if(isNeedEnlarge ==YES) {
for(NSIntegeri =0; i
CGPointcurrentPoint = [pointsArray[i]CGPointValue];
UIBezierPath *pointPath = [UIBezierPath bezierPathWithArcCenter:currentPoint radius:pointsRaduis startAngle:0 endAngle:M_PI*2 clockwise:YES];
[pointsColorsetFill];
[pointPathfill];
}
}
returnpath;
}
//绘制折线 (点 经过画圆处理)
- (UIBezierPath*)GYJ_drawPieceLineTogether:(NSArray*)pointsArraylineWidth:(CGFloat)lineWidthlineColor:(UIColor*)lineColor isNeedEnlargePoints:(BOOL)isNeedEnlargepointsRadius:(CGFloat)pointsRaduispointsColor:(UIColor*)pointsColor
{
return [self GYJ_drawPieceLineTogether:pointsArray lineWidth:lineWidth lineColor:lineColor isNeedEnlargePoints:isNeedEnlarge pointsRadius:pointsRaduis pointsColor:pointsColor isNeedSmooth:NO];
}
//纯粹折线
- (UIBezierPath*)GYJ_drawPieceLineTogether:(NSArray*)pointsArraylineWidth:(CGFloat)lineWidthlineColor:(UIColor*)lineColor
{
return [self GYJ_drawPieceLineTogether:pointsArray lineWidth:lineWidth lineColor:lineColor isNeedEnlargePoints:NO pointsRadius:0 pointsColor:nil];
}
//折线(虚线)
- (void)GYJ_drawPieceDottedLineTogether:(NSArray *)pointsArr lineWidth:(CGFloat)lineWidth lineColor:(UIColor *)lineColor
{
UIBezierPath *path = [UIBezierPath bezierPath];
for(NSIntegeri =0; i
CGPointcurrentPoint = [pointsArr[i]CGPointValue];
if(i==0) {
[pathmoveToPoint:currentPoint];
}else{
[pathaddLineToPoint:currentPoint];
}
}
path.lineWidth= lineWidth;
[lineColorsetStroke];
CGFloatlengths[] = {3,3};
[pathsetLineDash:lengthscount:2phase:0];
[pathstroke];
}
//平滑的曲线
- (UIBezierPath*)GYJ_drawPieceSmoothLineTogether:(NSArray*)pointsArraylineWidth:(CGFloat)lineWidthlineColor:(UIColor*)lineColor
{
return [self GYJ_drawPieceLineTogether:pointsArray lineWidth:lineWidth lineColor:lineColor isNeedEnlargePoints:NO pointsRadius:0 pointsColor:nil isNeedSmooth:YES];
}
//绘制分割线
- (NSArray*)GYJ_drawSeparatedWithStartPoint:(CGPoint)startPointseperateType:(GYJSeparatedType)seperateTypeaverageMargin:(CGFloat)averageMarginseperateNum:(NSInteger)seperateNumstartEndPointMargin:(CGFloat)pointsMarginlineColor:(UIColor*)lineColorlineWidth:(CGFloat)lineWidthaddWidth:(CGFloat)addWidth
{
NSMutableArray *endPointsArr = [NSMutableArray array];//保存修改后的终点
for(NSIntegeri =0; i
CGFloatreallyMargin = averageMargin * i;
CGPointaxisNextPoint = [selfGYJ_dealWithStartPoint:startPointdoublePointsMargin:reallyMarginseperateType:seperateType];//得到分割线的起点
CGPointseperateEndPoint = [selfGYJ_dealWithStartPoint:axisNextPointstartEndPointMargin:pointsMarginseperateType:seperateType];//得到分割线的终点
[self GYJ_drawLineWithStartPoint:axisNextPoint andEndPoint:seperateEndPoint andLineWidth:lineWidth andIsDottedLine:NO andLineColor:lineColor];//绘制直线
CGPointnewPoint = [selfGYJ_dealWithStartPoint:seperateEndPointstartEndPointMargin:addWidthseperateType:seperateType];//得到添加一段距离后的终点
[endPointsArraddObject:[NSValuevalueWithCGPoint:newPoint]];
}
returnendPointsArr.copy;
}
//轴方向分割线之间点与点处理
- (CGPoint)GYJ_dealWithStartPoint:(CGPoint)startPoint doublePointsMargin:(CGFloat)averageMargin seperateType:(GYJSeparatedType)seperateType
{
CGFloatX = startPoint.x;
CGFloatY = startPoint.y;
switch(seperateType) {
case GYJSeparated_X_Left_Up:
X -= averageMargin;
break;
case GYJSeparated_X_Left_Down:
X -= averageMargin;
break;
case GYJSeparated_X_Right_Up:
X += averageMargin;
break;
case GYJSeparated_X_Right_Down:
X += averageMargin;
break;
case GYJSeparated_Y_Up_Left:
Y -= averageMargin;
break;
case GYJSeparated_Y_Up_Right:
Y -= averageMargin;
break;
case GYJSeparated_Y_Down_Left:
Y += averageMargin;
break;
case GYJSeparated_Y_Down_Right:
Y += averageMargin;
break;
}
returnCGPointMake(X, Y);
}
//分割线起点和终点的处理
- (CGPoint)GYJ_dealWithStartPoint:(CGPoint)startPoint startEndPointMargin:(CGFloat)pointsMargin seperateType:(GYJSeparatedType)seperateType
{
CGFloatX = startPoint.x;
CGFloatY = startPoint.y;
switch(seperateType) {
case GYJSeparated_X_Left_Up:
Y -= pointsMargin;
break;
case GYJSeparated_X_Left_Down:
Y += pointsMargin;
break;
case GYJSeparated_X_Right_Up:
Y -= pointsMargin;
break;
case GYJSeparated_X_Right_Down:
Y += pointsMargin;
break;
case GYJSeparated_Y_Up_Left:
X -= pointsMargin;
break;
case GYJSeparated_Y_Up_Right:
X += pointsMargin;
break;
case GYJSeparated_Y_Down_Left:
X -= pointsMargin;
break;
case GYJSeparated_Y_Down_Right:
X += pointsMargin;
break;
}
returnCGPointMake(X, Y);
}
@end
```
曲线化的类:
