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//
// MAOverlayRenderer.h
// MAMapKit
//
//
// Copyright (c) 2011年 Amap. All rights reserved.
//
#import "MAConfig.h"
#import <UIKit/UIKit.h>
#import "MAOverlay.h"
#import "MALineDrawType.h"
///虚线类型
typedef NS_ENUM(NSUInteger, MALineDashType) {
kMALineDashTypeNone = 0, ///<不画虚线
kMALineDashTypeSquare, ///<方块样式
kMALineDashTypeDot, ///<圆点样式
};
#define kMAOverlayRendererDefaultStrokeColor [UIColor colorWithRed:0.3 green:0.63 blue:0.89 alpha:0.8]
#define kMAOverlayRendererDefaultFillColor [UIColor colorWithRed:0.77 green:0.88 blue:0.94 alpha:0.8]
@protocol MAOverlayRenderDelegate;
///该类是地图覆盖物Renderer的基类, 提供绘制overlay的接口但并无实际的实现(render相关方法只能在重写后的glRender方法中使用)
@interface MAOverlayRenderer : NSObject {
@protected
GLuint _strokeTextureID;
BOOL _needsUpdate;
BOOL _needsLoadStrokeTexture;
}
///由地图添加时,不要手动设置。如果不是使用mapview进行添加,则需要手动设置。(since 5.1.0)
@property (nonatomic, weak) id<MAOverlayRenderDelegate> rendererDelegate;
///关联的overlay对象
@property (nonatomic, readonly, retain) id <MAOverlay> overlay;
///用于生成笔触纹理id的图片(image需满足: 长宽相等,且宽度值为2的整数次幂; 如果您需要减轻绘制产生的锯齿,您可以参考AMap.bundle中的traffic_texture_blue.png的方式,在image两边增加部分透明像素.)。(since 5.3.0)
@property (nonatomic, strong) UIImage *strokeImage;
///笔触纹理id, 修改纹理id参考, 如果strokeImage未指定、尚未加载或加载失败返回0
@property (nonatomic, readonly) GLuint strokeTextureID;
///透明度[0,1],默认为1. 使用MAOverlayRenderer类提供的渲染接口会自动应用此属性。(since 5.1.0)
@property (nonatomic, assign) CGFloat alpha;
///overlay渲染的scale。(since 5.1.0)
@property (nonatomic, readonly) CGFloat contentScale;
/**
* @brief 初始化并返回一个Overlay Renderer
* @param overlay 关联的overlay对象
* @return 初始化成功则返回overlay view,否则返回nil
*/
- (instancetype)initWithOverlay:(id<MAOverlay>)overlay;
/**
* @brief 获取当前地图view矩阵,数组长度为16,无需外界释放. 需要添加至地图后,才能获取有效矩阵数据,否则返回NULL
* @return 矩阵数组
*/
- (float *)getViewMatrix;
/**
* @brief 获取当前地图projection矩阵,数组长度为16,无需外界释放. 需要添加至地图后,才能获取有效矩阵数据,否则返回NULL
* @return 矩阵数组
*/
- (float *)getProjectionMatrix;
/**
* @brief 获取当前地图中心点偏移,用以把地图坐标转换为gl坐标。需要添加到地图获取才有效。(since 5.1.0)
* @return 偏移
*/
- (MAMapPoint)getOffsetPoint;
/**
* @brief 获取当前地图缩放级别,需要添加到地图获取才有效。(since 5.1.0)
* @return 缩放级别
*/
- (CGFloat)getMapZoomLevel;
/**
* @brief 将MAMapPoint转换为opengles可以直接使用的坐标
* @param mapPoint MAMapPoint坐标
* @return 直接支持的坐标
*/
- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint;
/**
* @brief 批量将MAMapPoint转换为opengles可以直接使用的坐标
* @param mapPoints MAMapPoint坐标数据指针
* @param count 个数
* @return 直接支持的坐标数据指针(需要调用者手动释放)
*/
- (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count;
/**
* @brief 将屏幕尺寸转换为OpenGLES尺寸
* @param windowWidth 屏幕尺寸
* @return OpenGLES尺寸
*/
- (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth;
/**
* @brief 使用OpenGLES 绘制线
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param strokeColor 线颜色
* @param lineWidth OpenGLES支持线宽尺寸, 参考 - (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth
* @param looped 是否闭合, 如polyline会设置NO, polygon会设置YES
*/
- (void)renderLinesWithPoints:(CGPoint *)points
pointCount:(NSUInteger)pointCount
strokeColor:(UIColor *)strokeColor
lineWidth:(CGFloat)lineWidth
looped:(BOOL)looped __attribute__((deprecated("已废弃")));;
/**
* @brief 使用OpenGLES 绘制线
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param strokeColor 线颜色
* @param lineWidth OpenGLES支持线宽尺寸, 参考 - (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth
* @param looped 是否闭合, 如polyline会设置NO, polygon会设置YES
* @param lineJoinType 线连接点样式
* @param lineCapType 线端点样式
* @param lineDash 虚线类型
*/
- (void)renderLinesWithPoints:(CGPoint *)points
pointCount:(NSUInteger)pointCount
strokeColor:(UIColor *)strokeColor
lineWidth:(CGFloat)lineWidth
looped:(BOOL)looped
LineJoinType:(MALineJoinType)lineJoinType
LineCapType:(MALineCapType)lineCapType
lineDash:(MALineDashType)lineDash __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 按指定纹理绘制线
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param lineWidth 线OpenGLES支持线宽尺寸, 参考 - (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth
* @param textureID 指定的纹理
* @param looped 是否闭合, 如polyline会设置NO, polygon会设置YES
*/
- (void)renderTexturedLinesWithPoints:(CGPoint *)points
pointCount:(NSUInteger)pointCount
lineWidth:(CGFloat)lineWidth
textureID:(GLuint)textureID
looped:(BOOL)looped __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 绘制多纹理线
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param lineWidth 线OpenGLES支持线宽尺寸, 参考 - (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth
* @param textureIDs 各段指定的纹理 使用- (BOOL)loadStrokeTextureImages:(NSArray *)textureImages;加载,在strokeTextureIDs属性中获取
* @param drawStyleIndexes 纹理索引数组,成员为NSNumber,且为非负数,负数按0处理
* @param looped 是否闭合, 如polyline会设置NO, polygon会设置YES
*/
- (void)renderTexturedLinesWithPoints:(CGPoint *)points
pointCount:(NSUInteger)pointCount
lineWidth:(CGFloat)lineWidth
textureIDs:(NSArray *)textureIDs
drawStyleIndexes:(NSArray *)drawStyleIndexes
looped:(BOOL)looped __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 绘制多段颜色线
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param strokeColors 各段指定的颜色
* @param drawStyleIndexes 颜色索引数组,成员为NSNumber,且为非负数,负数按0处理
* @param isGradient 颜色是否渐变
* @param lineWidth 线OpenGLES支持线宽尺寸, 参考 - (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth
* @param looped 是否闭合, 如polyline会设置NO, polygon会设置YES
* @param lineJoinType 线连接点样式
* @param lineCapType 线端点样式
* @param lineDash 虚线类型
*/
- (void)renderLinesWithPoints:(CGPoint *)points
pointCount:(NSUInteger)pointCount
strokeColors:(NSArray *)strokeColors
drawStyleIndexes:(NSArray *)drawStyleIndexes
isGradient:(BOOL)isGradient
lineWidth:(CGFloat)lineWidth
looped:(BOOL)looped
LineJoinType:(MALineJoinType)lineJoinType
LineCapType:(MALineCapType)lineCapType
lineDash:(MALineDashType)lineDash __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 绘制区域
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param fillColor 填充颜色
* @param usingTriangleFan 若必为凸多边形输入YES,可能为凹多边形输入NO
*/
- (void)renderRegionWithPoints:(CGPoint *)points
pointCount:(NSUInteger)pointCount
fillColor:(UIColor *)fillColor
usingTriangleFan:(BOOL)usingTriangleFan __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 绘制区域(带轮廓线) \n注意:strokeLineWidth为0 或 strokeColor为nil 时不绘制轮廓线。
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param fillColor 填充颜色
* @param strokeColor 轮廓线颜色
* @param strokeLineWidth 轮廓线宽。OpenGLES支持线宽尺寸, 参考 - (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth
* @param strokeLineJoinType 轮廓线连接点样式
* @param strokeLineDash 轮廓虚线类型
* @param usingTriangleFan 若必为凸多边形输入YES,可能为凹多边形输入NO
*/
- (void)renderStrokedRegionWithPoints:(CGPoint *)points pointCount:(NSUInteger)pointCount
fillColor:(UIColor *)fillColor
strokeColor:(UIColor *)strokeColor
strokeLineWidth:(CGFloat)strokeLineWidth
strokeLineJoinType:(MALineJoinType)strokeLineJoinType
strokeLineDash:(MALineDashType)strokeLineDash
usingTriangleFan:(BOOL)usingTriangleFan __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 绘制区域(带纹理轮廓线) \n注意:strokeLineWidth为0 或 strokeTexture为0 时不绘制轮廓线。
* @param points OpenGLES坐标系点指针, 参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param pointCount 点个数
* @param fillColor 填充颜色
* @param strokeLineWidth 轮廓线宽。OpenGLES支持线宽尺寸, 参考 - (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth
* @param strokeTexture 轮廓线纹理。使用- (void)loadStrokeTextureImage:(UIImage *)textureImage;加载
* @param usingTriangleFan 若必为凸多边形输入YES,可能为凹多边形输入NO
*/
- (void)renderTextureStrokedRegionWithPoints:(CGPoint *)points
pointCount:(NSUInteger)pointCount
fillColor:(UIColor *)fillColor
strokeTineWidth:(CGFloat)strokeLineWidth
strokeTextureID:(GLuint)strokeTexture
usingTriangleFan:(BOOL)usingTriangleFan __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 绘制图片
* @param textureID OpenGLES纹理ID
* @param points OpenGLES坐标系点指针,纹理矩形的四个顶点坐标,其第一个坐标为图片左上角,依次顺时针传入其他顶点 ,参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
*/
- (void)renderIconWithTextureID:(GLuint)textureID points:(CGPoint *)points __attribute__((deprecated("已废弃")));
/**
* @brief 使用OpenGLES 绘制图片
* @param textureID OpenGLES纹理ID
* @param points OpenGLES坐标系点指针,纹理矩形的四个顶点坐标,其第一个坐标为图片左上角,依次顺时针传入其他顶点 ,参考- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint, - (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count
* @param modulateColor 调节颜色值, 最终颜色 = 纹理色 * modulateColor. 如只需要调节alpha的话就设置为[red=1, green=1, blue=1, alpha=0.5]
*/
- (void)renderIconWithTextureID:(GLuint)textureID points:(CGPoint *)points modulateColor:(UIColor *)modulateColor __attribute__((deprecated("已废弃")));
/**
* @brief 绘制函数(子类需要重载来实现)
*/
- (void)glRender;
/**
* @brief 加载纹理图片,纹理ID存储在成员strokeTextureID中。纹理图片为nil时,清空原有纹理
* @param textureImage 纹理图片(需满足:长宽相等,且宽度值为2的次幂)。若为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 __attribute__((deprecated("已废弃, 请通过属性strokeImage设置")));
/**
* @brief 加载纹理图片(since 5.1.0)
* @param textureImage 纹理图片(需满足:长宽相等,且宽度值为2的次幂)
* @return openGL纹理ID, 若纹理加载失败返回0
*/
- (GLuint)loadTexture:(UIImage *)textureImage;
/**
@brief 删除纹理(since 5.1.0)
@param textureId 纹理ID
*/
- (void)deleteTexture:(GLuint)textureId;
/**
* @brief 当关联overlay对象有更新时,调用此接口刷新. since 5.0.0
*/
- (void)setNeedsUpdate;
@end