// CSE 373
// University of Washington
// Header file for manipulating .bmp files
// Homework 5
// 5/2000


// see end of file for function prototypes


//////////////////////////////////////////////
////  Definitions below taken from
////  Microsoft Windows header files
////  for bitmaps.
//////////////////////////////////////////////
//typedef struct RGBTRIPLE_ {
//	unsigned char r, g, b;
//} RGBTRIPLE;


typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef unsigned long DWORD;
typedef unsigned long LONG;

typedef struct tagRGBQUAD { // rgbq 
    BYTE    rgbBlue; 
    BYTE    rgbGreen; 
    BYTE    rgbRed; 
    BYTE    rgbReserved; 
} RGBQUAD; 
 

#define FAR 

typedef long FXPT2DOT30;
typedef struct tagCIEXYZ
{
    FXPT2DOT30 ciexyzX; 
    FXPT2DOT30 ciexyzY; 
    FXPT2DOT30 ciexyzZ; 
} CIEXYZ;
typedef CIEXYZ FAR* LPCIEXYZ; 

typedef struct tagCIEXYZTRIPLE
{
    CIEXYZ  ciexyzRed; 
    CIEXYZ  ciexyzGreen; 
    CIEXYZ  ciexyzBlue; 
} CIEXYZTRIPLE;
typedef CIEXYZTRIPLE FAR* LPCIEXYZTRIPLE; 

typedef struct tagBITMAPFILEHEADER { // bmfh 
    WORD    bfType; 
    DWORD   bfSize; 
    WORD    bfReserved1; 
    WORD    bfReserved2; 
    DWORD   bfOffBits; 
} BITMAPFILEHEADER; 

typedef struct tagBITMAPINFOHEADER{ // bmih 
    DWORD  biSize; 
    LONG   biWidth; 
    LONG   biHeight; 
    WORD   biPlanes; 
    WORD   biBitCount; 
    DWORD  biCompression; 
    DWORD  biSizeImage; 
    LONG   biXPelsPerMeter; 
    LONG   biYPelsPerMeter; 
    DWORD  biClrUsed; 
    DWORD  biClrImportant; 
} BITMAPINFOHEADER; 


typedef struct tagBITMAPINFO { // bmi 
    BITMAPINFOHEADER bmiHeader; 
    RGBQUAD          bmiColors[1]; 
} BITMAPINFO; 


typedef struct { 
    DWORD        bV5Size; 
    LONG         bV5Width; 
    LONG         bV5Height; 
    WORD         bV5Planes; 
    WORD         bV5BitCount; 
    DWORD        bV5Compression; 
    DWORD        bV5SizeImage; 
    LONG         bV5XPelsPerMeter; 
    LONG         bV5YPelsPerMeter; 
    DWORD        bV5ClrUsed; 
    DWORD        bV5ClrImportant; 
    DWORD        bV5RedMask; 
    DWORD        bV5GreenMask; 
    DWORD        bV5BlueMask; 
    DWORD        bV5AlphaMask; 
    DWORD        bV5CSType; 
    CIEXYZTRIPLE bV5Endpoints; 
    DWORD        bV5GammaRed; 
    DWORD        bV5GammaGreen; 
    DWORD        bV5GammaBlue; 
    DWORD        bV5Intent; 
    DWORD        bV5ProfileData; 
    DWORD        bV5ProfileSize; 
    DWORD        bV5Reserved; 
} BITMAPV5HEADER, FAR *LPBITMAPV5HEADER, *PBITMAPV5HEADER; 
#define BI_JPEG  4L




////////////////////////
// hw5 stuff

// expected image size
const int rows = 256;
const int cols = 256;
const int palsize = 256; // palette size

// print 1,2,3,4 chars to output file
// (you shouldn't need to use these)
void out(FILE *f, unsigned char *pch);
void out2(FILE *f, unsigned char *pch);
void out3(FILE *f, unsigned char *pch);
void out4(FILE *f, unsigned char *pch);

// read in a bitmap file (assume 256 colors, 256x256 image)
//    echo header info to output file
void readbmp(FILE *f, RGBQUAD palette[palsize], unsigned char pixels[rows][cols]);
// write pixel data to output file
void writebmp(FILE *f, unsigned char pixels[rows][cols]);