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#ifndef _HEATMAP_H__
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#define _HEATMAP_H__
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#ifdef WIN32
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#if defined(HEATMAP_EXPORTS)
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#define HEATMAP_API __declspec(dllexport)
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#else
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#define HEATMAP_API __declspec(dllimport)
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#endif
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#define CALLMETHOD __stdcall
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#else
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#define HEATMAP_API
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#define CALLMETHOD
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#endif
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#ifndef HEATMAP_API
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#define HEATMAP_API
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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//Bmp位图信息
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typedef struct bmpImageInfo
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{
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unsigned char *pBuffer; //Bmp图片数据指针
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int nWidth; //图片宽度
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int nHeight; //图片高度
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int nBitCount; //图片位数,支持8位，24位，32位
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int nDirection; //数据存储方向 0：从上到下，从左到右， 1：从下到上，从左到右
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}BMPIMAGE_INFO;
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///输入数据信息
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typedef struct heatMapInfoIn
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{
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BMPIMAGE_INFO stuGrayBmpInfo; //8位Bmp灰度热度图数据：不包含图片头，数据存储方向从上到下
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BMPIMAGE_INFO stuBkBmpInfo; //背景图Bmp位图数据：包含图片头，存储方向从下到上
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}HEATMAP_IMAGE_IN;
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//输出数据信息
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typedef struct heatMapInfoOut
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{
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unsigned char *pBuffer; //输出的彩色热度图数据（包含图片头）,宽高、位数和背景图相同
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int nPicSize; //图片内存大小(包含头) ：宽*高*nBitCount/8 + 54
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float fOpacity; //透明度,范围0-1
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}HEATMAP_IMAGE_Out;
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///\brief 生成热度图数据信息
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/// param [in] stuBmpInfoIn Bmp位图数据输入
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/// param [in] stuBmpInfoOut Bmp位图数据输出,包含图片头
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/// param [out] true or false
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HEATMAP_API bool CALLMETHOD CreateHeatMap(const HEATMAP_IMAGE_IN *stuBmpInfoIn, HEATMAP_IMAGE_Out *stuBmpInfoOut);
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///\brief 将网络二进制数据转化成灰度数据
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/// param [in] srcData 二进制数据
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/// param [in] width 宽
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/// param [in] height 高
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/// param [in] resultOut 灰度数据
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/// param [out] true or false
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HEATMAP_API bool CALLMETHOD TransNetDataToGrayData(unsigned char * srcData, int width, int height, unsigned char * resultOut);;
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#ifdef __cplusplus
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}
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#endif
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#endif //_HEATMAP_H__
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