Overview<\/p>\n
DIB Header<\/p>\n
OS2 Style DIB<\/p>\n
\n\/\/ 14 bytes since each WORD is 2 bytes and DWORD is 4
\ntypedef struct tagBITMAPFILEHEADER \/\/ bmfh
\n{
\n\u00a0 WORD bfType ; \/\/ signature word \"BM\" or 0x4D42
\n\u00a0 DWORD bfSize ; \/\/ entire size of file
\n\u00a0 WORD bfReserved1 ; \/\/ must be zero
\n\u00a0 WORD bfReserved2 ; \/\/ must be zero
\n\u00a0 DWORD bfOffsetBits ; \/\/ offset in file of DIB pixel bits
\n}
\nBITMAPFILEHEADER, * PBITMAPFILEHEADER ;
\n<\/code><\/li>\n- An information header
\n
\ntypedef struct tagBITMAPCOREHEADER \/\/ bmch
\n{
\n\u00a0 DWORD bcSize ; \/\/ size of the structure = 12
\n\u00a0 WORD bcWidth ; \/\/ width of image in pixels
\n\u00a0 WORD bcHeight ; \/\/ height of image in pixels
\n\u00a0 WORD bcPlanes ; \/\/ = 1
\n\u00a0 WORD bcBitCount ; \/\/ bits per pixel (1, 4, 8, or 24)
\n}
\nBITMAPCOREHEADER, * PBITMAPCOREHEADER ;\/\/ Also defined in WINGDI.H
\ntypedef struct tagBITMAPCOREINFO \/\/ bmci
\n{
\n\u00a0 BITMAPCOREHEADER bmciHeader ; \/\/ core-header structure
\n\u00a0 RGBTRIPLE bmciColors[1] ; \/\/ color table array
\n\/\/ Always 2, 16, or 256 RGBTRIPLE structures depending on bits per pixel
\n\/\/ Allocate PBITMAPCOREINFO for an 8-bit DIB
\n\/\/ pbmci = malloc (sizeof (BITMAPCOREINFO) + 255 * sizeof (RGBTRIPLE)) ;
\n}
\nBITMAPCOREINFO, * PBITMAPCOREINFO ;<\/code><\/li>\n- An RGB color table (but not always. not with 24 bit\/pixel DIB)\n
\n- An array of 3 byte RGBTRIPLE structures
\n
\ntypedef struct tagRGBTRIPLE \/\/ rgbt
\n{
\n\u00a0 BYTE rgbtBlue ; \/\/ blue level
\n\u00a0 BYTE rgbtGreen ; \/\/ green level
\n\u00a0 BYTE rgbtRed ; \/\/ red level
\n}
\nRGBTRIPLE ;
\n<\/code><\/li>\n<\/ul>\n<\/li>\n- The bitmap pixel bits<\/li>\n<\/ul>\n<\/li>\n
- A in\u00a0memory DIB has exactly as DIB file minus file\u00a0header<\/li>\n<\/ul>\n
http:\/\/support.microsoft.com\/kb\/q81498\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"Overview Device independent bitmap Can be moved from device to device (hence device independent) Normally transported in metafiles bmp files clipboard (CF_DIB data format) Contains bits header\u00a0 describes the format of the bits color format (color table) size of the … Continue reading