#ifndef __INCLUDE_IPCOMMON_H__
#define __INCLUDE_IPCOMMON_H__
//-----------------------------------------------------------------
// 定数定義
//-----------------------------------------------------------------
extern UINT iHeight,iWidth,iLength;      // 高さ,幅,１行幅
extern UINT iSize,biSize;                // サイズ
extern LPBYTE lpOrgBMP,lpBMP;            // オリジナル画像, 表示画像
extern UINT iGHist[512];                 // 濃淡用ヒストグラム
//-----------------------------------------------------------------
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
//#define	ROOT2      1.41421356
//#define BCC_WEIGHT (14.0-10.0*ROOT2)
// 色定義
#define iWHITE    0xff
#define iBLACK       0
#define iGRAY      100
#define iMAX_GRAY  256
#define iRED         2
#define iGREEN       1
#define iBLUE        0
//-----------------------------------------------------------------
// マクロ宣言
//-----------------------------------------------------------------
// calc image pointer index
#define XY2PI(x,y,w)      ((x)+(y)*w)
// check point
#define ip_safe(x,y,w,h)  (x>=0 && x<w && y>=0 && y<h)
// double to int
#define rint(x)           ((x>=0)?((int)(x+0.5)):((int)(x-0.5)))
// degree to radian
#define deg2rad(x)        ((double)x*M_PI/180.)
// radian to degree
#define rad2deg(x)        ((double)x*180./M_PI)
//-----------------------------------------------------------------
enum COLOR_DEF {
	COLOR_R   = 0, COLOR_G  = 1, COLOR_B = 2,
	COLOR_Y   = 3, COLOR_U  = 4, COLOR_V = 5,
	COLOR_RHO = 6, COLOR_THETA = 7,
	COLOR_RGB = 8
};
// 補間形式
enum INTERPOLATION {
	INTP_NN = 0, INTP_LN = 1, INTP_BCC = 2,
};
// RGB色
typedef struct COLOR_PIXEL {
	BYTE r,g,b;
} CPIXEL;
// 近接画素へのオフセット 
static POINT offset8[8] = {
	{-1,-1},{ 0,-1},{ 1,-1},
	{-1, 0},{ 1, 0},
	{-1, 1},{ 0, 1},{ 1, 1}
};
// 近接画素へのオフセット 
static POINT offset9[9] = {
	{-1,-1},{ 0,-1},{ 1,-1},
	{-1, 0},{ 0, 0},{ 1, 0},
	{-1, 1},{ 0, 1},{ 1, 1}
};
//-----------------------------------------------------------------
// 諸関数
//-----------------------------------------------------------------
int  lcm(int a,int b);
void init_random();
int  random_int(int n);
void swapv(int c1,int c2);
void swap_point(POINT p1,POINT p2);
int  colcmp(LPBYTE inb,CPIXEL c2);
void setcol(LPBYTE inb,CPIXEL c);
double calc_distance(POINT p1,POINT p2);
double calc_distance(int x1,int y1,int x2,int y2);
double calc_mean(int n,double* a);
double calc_sd(int n,double* a);
void standalize_data(int n,double* a);
void normalize_data(int n,double* a);
//-----------------------------------------------------------------
// 表色系の変換
//-----------------------------------------------------------------
BYTE rgb2gray(BYTE r,BYTE g,BYTE b);
void rgb2yuv(BYTE r,BYTE g,BYTE b,BYTE &y,BYTE &u,BYTE &v);
BYTE rgb2y(BYTE r,BYTE g,BYTE b);
BYTE rgb2u(BYTE r,BYTE g,BYTE b);
BYTE rgb2v(BYTE r,BYTE g,BYTE b);
void rgb2rth(BYTE r,BYTE g,BYTE b,BYTE &rho,BYTE &th);
BYTE rgb2rho(BYTE r,BYTE g,BYTE b);
BYTE rgb2theta(BYTE r,BYTE g,BYTE b);
//-----------------------------------------------------------------
// 描画関数
//-----------------------------------------------------------------
void draw_circle(LPBYTE oBuf,POINT cp,int radius);
void draw_line(LPBYTE oBuf,POINT p1,POINT p2,int col=iWHITE);
void draw_line(LPBYTE oBuf,int x1,int y1,int x2,int y2,int col=iWHITE);
int croslnxc(int x1,int y1,int x2,int y2,int xc,int *yc);
int croslnyc(int x1,int y1,int x2,int y2,int yc,int *xc);
int scrossln(int* x1,int* y1,int* x2,int* y2);
void mark_template_area(LPBYTE inBuf,POINT tp,int txsize,int tysize);
//-----------------------------------------------------------------
// 画像処理関数
//-----------------------------------------------------------------
void make_histogram(LPBYTE inBuf);
void GrayToColor(LPBYTE iGray,LPBYTE iColor);
void toGray(LPBYTE inBuf);
void toCGray(LPBYTE inBuf,int csel);
void toGray();
LPBYTE GetGray();
LPBYTE GetColor(int csel);
void affine_transform(LPBYTE inBuf,int intp_opt,
					  double zx,double zy,
					  double deg,double px,double py);
void c_affine_transform(LPBYTE inBuf,int intp_opt,
						double zx,double zy,
						double deg,double px,double py);
BYTE image_interpolation(LPBYTE ib,int intp_opt,
						 double x,double y,int xc,int yc);
CPIXEL c_image_interpolation(LPBYTE icb,int intp_opt,
							 double x,double y,int xc,int yc);
void nn_scale(LPBYTE image_in,double zx,double zy);
void linear_scale(LPBYTE inBuf,double zx,double zy);
void bcc_scale(LPBYTE inBuf,double zx,double zy);
void sqm_scale(LPBYTE inBuf,double zx,double zy);
void c_sqm_scale(LPBYTE inBuf,double zx,double zy);
void IPfunc_OR(LPBYTE iDst,LPBYTE iAdd);
void IPfunc_median(LPBYTE inBuf);
BYTE median(BYTE c[9]);
void toDither(LPBYTE inBuf);
void linear_transform(LPBYTE inBuf);
void change_graylevel(LPBYTE inBuf,int iLevel);
void spacial_filtering(LPBYTE inBuf,int iFlt[9],double iMag);
void make_error_difusion_image(LPBYTE inBuf);
void make_histogram_image(LPBYTE inBuf);
void draw_3D_graph(LPBYTE inBuf,int plot_step=5,double plot_ratio=1.0);
//-----------------------------------------------------------------

#endif // __INCLUDE_IPCOMMON_H__