bmp_header.h

//------------------------------------------------------------------------
//   bmp_header.h
//   Smadu Razvan-Alexandru  315CB
//------------------------------------------------------------------------

/* Tells the compiler not to add padding for these structs. This may
   be useful when reading/writing to binary files.
   http://stackoverflow.com/questions/3318410/pragma-pack-effect
*/
#pragma pack(1)

struct bmp_fileheader
{
    unsigned char  fileMarker1; /* 'B' */
    unsigned char  fileMarker2; /* 'M' */
    unsigned int   bfSize; /* File's size */
    unsigned short unused1; /* Aplication specific */
    unsigned short unused2; /* Aplication specific */
    unsigned int   imageDataOffset; /* Offset to the start of image data */
};

struct bmp_infoheader
{
    unsigned int   biSize; /* Size of the info header - 40 bytes */
    signed int     width; /* Width of the image */
    signed int     height; /* Height of the image */
    unsigned short planes;
    unsigned short bitPix; /* Number of bits per pixel = 3 * 8 (for each channel R, G, B we need 8 bits */
    unsigned int   biCompression; /* Type of compression */
    unsigned int   biSizeImage; /* Size of the image data */
    int            biXPelsPerMeter;
    int            biYPelsPerMeter;
    unsigned int   biClrUsed;
    unsigned int   biClrImportant;
};

#pragma pack()