#ifndef _INSIDE_VISUAL_CPP_IMGSEGMENT
#define _INSIDE_VISUAL_CPP_IMGSEGMENT
#include "ImageCenterDib.h"

//圖像分割類
class ImgSegment:public ImgCenterDib
{
public:
	//輸出圖像每像素位數
	int m_nBitCountOut;

	//輸出圖像位圖數據指針
	unsigned char * m_pImgDataOut;

	//輸出圖像顏色表
	LPRGBQUAD m_lpColorTableOut;
private:
	//輸出圖像的寬
	int m_imgWidthOut;

	//輸出圖像的高
	int m_imgHeightOut;

	//輸出圖像顏色表長度
	int m_nColorTableLengthOut;
public:
	//不帶參數的構造函數
	ImgSegment();

	//帶參數的構造函數
	ImgSegment(CSize size, int nBitCount, LPRGBQUAD lpColorTable, 
		        unsigned char *pImgData);

	//析構函數
	~ImgSegment();

	//以像素為單位返回輸出圖像的尺寸
	CSize GetDimensions();

	//大津閾值分割
	int threshOtus(int histArray[256]);

	//Roberts算子
	void Roberts();

	//Sobel算子
	void Sobel();

	//Prewitt算子
	void Prewitt();

	//Laplacian算子
	void Laplacian();

	//Krisch算子
	void Krisch();

	//Gauss-Laplacian算子
	void GaussLaplacian();

	//自定義模板檢測邊緣
	void EdgeByAnyMask(int *mask ,int maskW, int maskH);

	//Hough變換
	void Hough(float radiusResolution, float angleResolution, 
		        float *radius, float *angle);

	//通過Hough變換檢測圖像中最長線
	void longestLineDetectByHough(float radiusResolution, float angleResolution);

	//區域生長
	void RegionGrow(CPoint seed, int thresh);

	//輪廓提取
	void ContourExtract();

	//曲線跟蹤
	void ContourTrace();


private:
	//模板卷積函數
	void TemplateEdge(unsigned char *imgIn, int width, int height, int nBitCount,
							int *mask, int maskW, int maskH, unsigned char *imgOut);

	//極坐標形式下的線檢測hough變換
	void HoughTransform(unsigned char *imgBinaryIn, int width, int height, int *houghBuf,
		int  houghWidth, int houghHeight,float radiusResolution, float angleResolution,
					 float *radius, float *angle);
};
#endif // _INSIDE_VISUAL_CPP_IMGSEGMENT