#pragma once
#include <opencv2/opencv.hpp>
#include <cmath>


enum ErrorCode
{
	None = 0,
	EncodeError = 1,
	DecodeError = 2,
	StraightScanDataUniformError = 3,
	LinearInterpolationError = 4,
	GetSurfaceError = 5,
	FusionError = 6,
};


enum ColorType
{
	Gray8,
	Gray16,
	Rgb,
	Bgr,
	Bgra,
	Rgba,
	GrayF32,
};


typedef struct
{
	int left;
	int top;
	int right;
	int bottom;
	int width;
	int height;
}Rect;


/// <summary>
/// 表示一个平面的参数
/// 已知平面上一个点M0(X0,Y0,Z0)和该平面的法向量N(A,B,C)
/// 那么平面上任意点M(X,Y,Z)可以表示为A(X-X0)+B(Y-Y0)+C(Z-Z0)=0 
/// </summary>
typedef struct
{
	float x0;
	float y0;
	float z0;
	float a;
	float b;
	float c;
}Plane;


typedef struct
{
	int origImgWidth;
	int origImgHeight;
	int origImgCount;
	ColorType colorType;
	Rect cropRect;
	int desiredImgWidth;
	int desiredImgHeight;
	int desiredImgCount;
	uint8_t* dataBuffer;
}VolumeDataPreProcessorInfo;


typedef struct
{
	int x;
	int y;
	int z;
	float spacing;
	ColorType colorType;
	uint8_t* dataBuffer;
}UniformVolumeDataInfo;


typedef struct
{
	int width;
	int height;
	ColorType colorType;
	uint8_t* dataBuffer;
}ImageInfo;


class ImageHelper
{
public:
	static int GetDepthFlag(ColorType colorType);
	static int GetBytesPerPixel(ColorType colorType);
	static bool NeedCrop(cv::Rect cropRect, int width, int height);
};


class ErrorMsg
{
public:
	~ErrorMsg();
	static void SetErrorMsg(ErrorCode errorCode, std::vector<const char*> errorMsgs);
	static void GetErrorMsg(ErrorCode& errorCode, char* errorMsg, const int errorMaxLen);

private:
	static char* _errorMsg;
	static ErrorCode _errorCode;
};


class MathTools
{
public:
	static float Distance(cv::Point3f point1, cv::Point3f point2);
	static bool SortFloatIndexPairDescend(const std::pair<float, int>& pair1, const std::pair<float, int> pair2);
	static bool SortFloatIndexPairAscend(const std::pair<float, int>& pair1, const std::pair<float, int> pair2);
};