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

//幾何變換類
class GeometryTrans:public ImgCenterDib
{
public:
    //輸出圖像每像素位數(shù)
	int m_nBitCountOut;

	//輸出圖像位圖數(shù)據(jù)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:
	//構(gòu)造函數(shù)
	GeometryTrans();

	//帶參數(shù)的構(gòu)造函數(shù)
	GeometryTrans(CSize size, int nBitCount, LPRGBQUAD lpColorTable, unsigned char *pImgData);

	//析構(gòu)函數(shù)
	~GeometryTrans();

	//以像素為單位返回輸出圖像的寬和高
	CSize GetDimensions();

	//平移
	void Move(int offsetX, int offsetY);

	//水平鏡像
	void MirrorHori();

	//垂直鏡像
	void MirrorVerti();

	//轉(zhuǎn)置
	void ZhuanZhi();
	
	//順時針旋轉(zhuǎn)90度
	void Clockwise90();

	//逆時針旋轉(zhuǎn)90度
	void Anticlockwise90();

	//旋轉(zhuǎn)180
	void Rotate180();

	//旋轉(zhuǎn) 
	void Rotate(int angle, int interpolationflag);//angle旋轉(zhuǎn)角度

	//縮放
	void Zoom(int zoomWidthPixel, int zoomHeightPixel, int interpolationflag);//縮放

private:
	//雙線性插值
	unsigned char interpolationDblLinear(unsigned char array[2][2], float xpos, float ypos);

	//立方卷積插值
	unsigned char interpolationCube(unsigned char array[4][4], float xpos, float ypos);


	//近鄰插值縮放
    void ZoomNeighbor(unsigned char *pImgIn, int widthIn, int heightIn, int biBitCount,
										 unsigned char *pImgOut, int widthOut, int heightOut);
	//雙線性插值縮放
	void ZoomDblLinear(unsigned char *pImgIn, int widthIn, int heightIn, int biBitCount,
										 unsigned char *pImgOut, int widthOut, int heightOut);

	//立方卷積插值縮放
	void ZoomCube(unsigned char *pImgIn, int widthIn, int heightIn, int biBitCount,
										 unsigned char *pImgOut, int widthOut, int heightOut);

	//近鄰插值旋轉(zhuǎn)
	void RotateNeighbor(int angle);

	//雙線性插值旋轉(zhuǎn)
	void RotateDblLinear(int angle);

	//立方卷積插值旋轉(zhuǎn)
	void RotateCube(int angle);
};
#endif // _INSIDE_VISUAL_CPP_GeometryTrans