208 lines
7.6 KiB
Objective-C
208 lines
7.6 KiB
Objective-C
/*
|
||
* BMKOverlayView.h
|
||
* BMapKit
|
||
*
|
||
* Copyright 2011 Baidu Inc. All rights reserved.
|
||
*
|
||
*/
|
||
#import <UIKit/UIKit.h>
|
||
#import "BMKOverlay.h"
|
||
|
||
/// 该类是地图覆盖物View的基类，提供绘制overlay的接口但本身并无实现，所有地图覆盖物View需要继承自此类
|
||
@interface BMKOverlayView : UIView
|
||
{
|
||
@package
|
||
|
||
|
||
id <BMKOverlay> _overlay;
|
||
BMKMapRect _boundingMapRect;
|
||
CGAffineTransform _mapTransform;
|
||
id _geometryDelegate;
|
||
id _canDrawCache;
|
||
BOOL keepScale;
|
||
CFTimeInterval _lastTile;
|
||
CFRunLoopTimerRef _scheduledScaleTimer;
|
||
|
||
struct {
|
||
unsigned int keepAlive:1;
|
||
unsigned int levelCrossFade:1;
|
||
unsigned int drawingDisabled:1;
|
||
unsigned int usesTiledLayer:1;
|
||
} _flags;
|
||
//@private
|
||
// int geometrylayerID;
|
||
}
|
||
/// 设置该overlay的GeometryDelegate
|
||
- (void)setOverlayGeometryDelegate:(id)delegate;
|
||
|
||
/**
|
||
*初始化并返回一个overlay view
|
||
*@param overlay 关联的overlay对象
|
||
*@return 初始化成功则返回overlay view,否则返回nil
|
||
*/
|
||
- (id)initWithOverlay:(id <BMKOverlay>)overlay;
|
||
|
||
///关联的overlay对象
|
||
@property (nonatomic, readonly) id <BMKOverlay> overlay;
|
||
|
||
/**
|
||
*将直角坐标转为overlay view坐标
|
||
*@param mapPoint 直角坐标
|
||
*@return 对应的view坐标
|
||
*/
|
||
- (CGPoint)pointForMapPoint:(BMKMapPoint)mapPoint;
|
||
|
||
/**
|
||
*将overlay view坐标转为直角坐标
|
||
*@param point view坐标
|
||
*@return 对应的直角坐标
|
||
*/
|
||
- (BMKMapPoint)mapPointForPoint:(CGPoint)point;
|
||
|
||
/**
|
||
*将二维地图投影矩形转为overlay view矩形
|
||
*@param mapRect 二维地图投影矩形
|
||
*@return 对应的view矩形
|
||
*/
|
||
- (CGRect)rectForMapRect:(BMKMapRect)mapRect;
|
||
|
||
/**
|
||
*将overlay view区域转为二维地图投影区域
|
||
*@param rect 指定的view矩形
|
||
*@return 对应的二维地图投影矩形
|
||
*/
|
||
- (BMKMapRect)mapRectForRect:(CGRect)rect;
|
||
|
||
/**
|
||
*判断ovlerlay view是否准备绘制内容
|
||
*默认返回YES，如果用户设为NO，当需要绘制内容时要显示调用setNeedsDisplayInMapRect:zoomScale:方法
|
||
*@param mapRect 需要更新的地图矩形区域
|
||
*@param zoomScale 当前的缩放因子
|
||
*@return 如果view准备好绘制内容，返回YES,否则返回NO
|
||
*/
|
||
- (BOOL)canDrawMapRect:(BMKMapRect)mapRect zoomScale:(BMKZoomScale)zoomScale;
|
||
|
||
/**
|
||
*绘制overlay view内容
|
||
*该方法默认不做任何事，子类需要重载该方法来绘制view的内容
|
||
*@param mapRect 需要更新的地图矩形区域
|
||
*@param zoomScale 当前的缩放因子
|
||
*@param context 使用的graphics context
|
||
*/
|
||
- (void)drawMapRect:(BMKMapRect)mapRect zoomScale:(BMKZoomScale)zoomScale inContext:(CGContextRef)context;
|
||
|
||
/**
|
||
*使view在给定矩形的区域无效,系统将重绘该区域
|
||
*@param mapRect 需要更新的区域
|
||
*/
|
||
- (void)setNeedsDisplayInMapRect:(BMKMapRect)mapRect;
|
||
|
||
/**
|
||
*使用OpenGLES 绘制线
|
||
@param points 直角坐标点
|
||
@param pointCount 点个数
|
||
@param strokeColor 线颜色
|
||
@param lineWidth OpenGLES支持线宽尺寸
|
||
@param looped 是否闭合, 如polyline会设置NO, polygon会设置YES.
|
||
*/
|
||
- (void)renderLinesWithPoints:(BMKMapPoint *)points pointCount:(NSUInteger)pointCount strokeColor:(UIColor *)strokeColor lineWidth:(CGFloat)lineWidth looped:(BOOL)looped;
|
||
/**
|
||
*使用OpenGLES 绘制线
|
||
@param points 直角坐标点
|
||
@param pointCount 点个数
|
||
@param strokeColor 线颜色
|
||
@param lineWidth OpenGLES支持线宽尺寸
|
||
@param looped 是否闭合, 如polyline会设置NO, polygon会设置YES.
|
||
@param lineDash 是否虚线样式
|
||
*/
|
||
- (void)renderLinesWithPoints:(BMKMapPoint *)points pointCount:(NSUInteger)pointCount strokeColor:(UIColor *)strokeColor lineWidth:(CGFloat)lineWidth looped:(BOOL)looped lineDash:(BOOL)lineDash;
|
||
|
||
/**
|
||
*使用OpenGLES 按指定纹理绘制线
|
||
@param points 直角坐标点
|
||
@param pointCount 点个数
|
||
@param lineWidth OpenGLES支持线宽尺寸
|
||
@param textureID 纹理ID,使用- (void)loadStrokeTextureImage:(UIImage *)textureImage;加载
|
||
@param looped 是否闭合, 如polyline会设置NO, polygon会设置YES.
|
||
*/
|
||
- (void)renderTexturedLinesWithPoints:(BMKMapPoint *)points pointCount:(NSUInteger)pointCount lineWidth:(CGFloat)lineWidth textureID:(GLuint)textureID looped:(BOOL)looped;
|
||
|
||
/**
|
||
*使用OpenGLES 按指定纹理绘制线
|
||
@param points 直角坐标点
|
||
@param pointCount 点个数
|
||
@param lineWidth OpenGLES支持线宽尺寸
|
||
@param textureID 纹理ID,使用- (void)loadStrokeTextureImage:(UIImage *)textureImage;加载
|
||
@param looped 是否闭合, 如polyline会设置NO, polygon会设置YES.
|
||
@param tileTexture 是否纹理图片平铺绘制
|
||
@param keepScale 纹理图片是否缩放（tileTexture为YES时生效）
|
||
*/
|
||
- (void)renderTexturedLinesWithPoints:(BMKMapPoint *)points pointCount:(NSUInteger)pointCount lineWidth:(CGFloat)lineWidth textureID:(GLuint)textureID strokeColor:(UIColor *)strokeColor looped:(BOOL)looped tileTexture:(BOOL) tileTexture keepScale:(BOOL) keepScale;
|
||
|
||
/**
|
||
*使用OpenGLES 分段纹理绘制线
|
||
@param partPt 分段直角坐标点
|
||
@param lineWidth OpenGLES支持线宽尺寸
|
||
@param textureIndexs 分段纹理索引,使用- (void)loadStrokeTextureImage:(UIImage *)textureImage;加载
|
||
@param isFoucs 是否使用分段纹理绘制
|
||
*/
|
||
-(void)renderTexturedLinesWithPartPoints:(NSArray*)partPt lineWidth:(CGFloat)lineWidth textureIndexs:(NSArray*)textureIndexs isFocus:(BOOL) isFoucs;
|
||
|
||
/**
|
||
*使用OpenGLES 分段纹理绘制线/分段颜色绘制线
|
||
@param partPt 分段直角坐标点
|
||
@param lineWidth OpenGLES支持线宽尺寸
|
||
@param textureIndexs 分段纹理索引,使用- (BOOL)loadStrokeTextureImages:(UIImage *)textureImage;加载
|
||
@param isFoucs 是否使用分段纹理绘制
|
||
@param tileTexture 是否纹理图片平铺绘制
|
||
@param keepScale 纹理图片是否缩放（tileTexture为YES时生效）
|
||
*/
|
||
-(void)renderTexturedLinesWithPartPoints:(NSArray*)partPt lineWidth:(CGFloat)lineWidth textureIndexs:(NSArray*)textureIndexs isFocus:(BOOL) isFoucs tileTexture:(BOOL) tileTexture keepScale:(BOOL) keepScale;
|
||
|
||
/**
|
||
*使用OpenGLES 绘制区域
|
||
@param points 直角坐标点
|
||
@param pointCount 点个数
|
||
@param fillColor 填充颜色
|
||
@param usingTriangleFan YES对应GL_TRIANGLE_FAN, NO对应GL_TRIANGLES
|
||
*/
|
||
- (void)renderRegionWithPoints:(BMKMapPoint *)points pointCount:(NSUInteger)pointCount fillColor:(UIColor *)fillColor usingTriangleFan:(BOOL)usingTriangleFan;
|
||
/**
|
||
*使用OpenGLES 绘制区域（支持凹多边形）
|
||
@param points 直角坐标点
|
||
@param pointCount 点个数
|
||
@param fillColor 填充颜色
|
||
@param usingTriangleFan YES对应GL_TRIANGLE_FAN, NO对应GL_TRIANGLES
|
||
*/
|
||
- (void)renderATRegionWithPoint:(BMKMapPoint *)points pointCount:(NSUInteger)pointCount fillColor:(UIColor *)fillColor usingTriangleFan:(BOOL)usingTriangleFan;
|
||
|
||
/**
|
||
*绘制函数(子类需要重载来实现)
|
||
*/
|
||
- (void)glRender;
|
||
|
||
///关联的纹理对象ID
|
||
@property (nonatomic, readonly) GLuint strokeTextureID;
|
||
|
||
/**
|
||
*加载纹理图片
|
||
@param textureImage 图片对象，opengl要求图片宽高必须是2的n次幂，如果图片对象为nil，则清空原有纹理
|
||
@return openGL纹理ID, 若纹理加载失败返回0
|
||
*/
|
||
- (GLuint)loadStrokeTextureImage:(UIImage *)textureImage;
|
||
|
||
/**
|
||
*加载分段纹理绘制 所需的纹理图片
|
||
@param textureImages 必须UIImage数组，opengl要求图片宽高必须是2的n次幂，否则，返回NO，无法分段纹理绘制
|
||
@return 是否成功
|
||
*/
|
||
- (BOOL)loadStrokeTextureImages:(NSArray *)textureImages;
|
||
|
||
/// 使用分段颜色绘制时，必须设置（内容必须为UIColor）
|
||
/// 注：请使用 - (UIColor *)initWithRed:(CGFloat)red green:(CGFloat)green blue:(CGFloat)blue alpha:(CGFloat)alpha; 初始化UIColor。使用[UIColor ***Color]初始化时，个别case转换成RGB后会有问题
|
||
@property (nonatomic, strong) NSArray *colors;
|
||
|
||
@end
|
||
|
||
|