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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"
#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,MTLRenderCommandEncoder;
///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;
CGSize _strokeTextureSize;
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(支持非PowerOfTwo图片; 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. 注意:仅使用gles环境
@property (nonatomic, readonly) GLuint strokeTextureID __attribute((deprecated("已废弃,since 7.9.0")));
///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 Overlay Renderer
* @param overlay overlay对象
* @return overlay view,nil
*/
- (instancetype)initWithOverlay:(id<MAOverlay>)overlay;
/**
* @brief view矩阵16. NULL
* @return
*/
- (float *)getViewMatrix;
/**
* @brief projection矩阵16. NULL
* @return
*/
- (float *)getProjectionMatrix;
/**
* @brief gl坐标since 5.1.0
* @return
*/
- (MAMapPoint)getOffsetPoint;
/**
* @brief Metal渲染MTLRenderCommandEncoder对象MetalEnable时有效nilsince 7.9.0
* @return
*/
- (id<MTLRenderCommandEncoder>)getCommandEncoder;
/**
* @brief since 5.1.0
* @return
*/
- (CGFloat)getMapZoomLevel;
/**
* @brief MAMapPoint转换为opengles可以直接使用的坐标
* @param mapPoint MAMapPoint坐标
* @return
*/
- (CGPoint)glPointForMapPoint:(MAMapPoint)mapPoint;
/**
* @brief 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
* @return ()
*/
- (CGPoint *)glPointsForMapPoints:(MAMapPoint *)mapPoints count:(NSUInteger)count;
/**
* @brief OpenGLES尺寸
* @param windowWidth
* @return OpenGLES尺寸
*/
- (CGFloat)glWidthForWindowWidth:(CGFloat)windowWidth;
/**
* @brief ()
*/
- (void)glRender;
/**
* @brief . 使gles环境since 5.1.0
* @param textureImage 2)
* @return openGL纹理ID, 0
*/
- (GLuint)loadTexture:(UIImage *)textureImage __attribute((deprecated("已废弃,since 7.9.0")));
/**
@brief . 使gles环境since 5.1.0
@param textureId ID
*/
- (void)deleteTexture:(GLuint)textureId __attribute((deprecated("已废弃,since 7.9.0")));
/**
* @brief overlay对象有更新时. since 5.0.0
*/
- (void)setNeedsUpdate;
@end