/*
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* BMKOverlayPathView.h
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* BMapKit
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*
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* Copyright 2011 Baidu Inc. All rights reserved.
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*
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*/
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#import <UIKit/UIKit.h>
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#import "BMKOverlayView.h"
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/// 该类定义了一个基本的OverlayView
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@interface BMKOverlayPathView : BMKOverlayView {
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@package
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UIColor *_fillColor;
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UIColor *_strokeColor;
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CGFloat _lineWidth;
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CGLineJoin _lineJoin;
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CGLineCap _lineCap;
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CGFloat _miterLimit;
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CGFloat _lineDashPhase;
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NSArray *_lineDashPattern;
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CGPathRef _path;
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}
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/// 填充颜色
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@property (strong) UIColor *fillColor;
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/// 画笔颜色
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@property (strong) UIColor *strokeColor;
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/// 画笔宽度，默认为0
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@property CGFloat lineWidth;
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/// LineJoin，默认为kCGLineJoinRound
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@property CGLineJoin lineJoin;
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/// LineCap，默认为kCGLineCapRound
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@property CGLineCap lineCap;
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/// miterLimit,在样式为kCGLineJoinMiter时有效，默认为10
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@property CGFloat miterLimit;
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/// lineDashPhase, 默认为0
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@property CGFloat lineDashPhase;
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/// lineDashPattern,一个NSNumbers的数组，默认为nil
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@property (copy) NSArray *lineDashPattern;
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/**
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*生成要绘制的path，子类需要重写此函数，并且对path属性赋值：self.path = newPath;
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*/
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- (void)createPath;
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/// path对象
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@property CGPathRef path;
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/**
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*刷新path，调用该函数将会使已经缓存的path失效，将会重新调用createPath来生成新的path对象
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*/
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- (void)invalidatePath;
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/**
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*应用画笔属性
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*@param context CGContext对象
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*@param zoomScale 当前的zoomScale
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*/
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- (void)applyStrokePropertiesToContext:(CGContextRef)context
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atZoomScale:(BMKZoomScale)zoomScale;
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/**
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*应用画刷属性
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*@param context CGContext对象
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*@param zoomScale 当前的zoomScale
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*/
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- (void)applyFillPropertiesToContext:(CGContextRef)context
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atZoomScale:(BMKZoomScale)zoomScale;
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/**
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*绘制path
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*@param path 要绘制的CGPath
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*@param context CGContext对象
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*/
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- (void)strokePath:(CGPathRef)path inContext:(CGContextRef)context;
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/**
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*填充path
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*@param path 要绘制的CGPath
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*@param context CGContext对象
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*/
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- (void)fillPath:(CGPathRef)path inContext:(CGContextRef)context;
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@end
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