bm_info_header_s Struct Reference

Bitmap file information header.

Starts after the file header and is 40 bytes long, in little endian and packed.

Data Fields
unsigned short	biBitCount
	Number of bits per pixel, which is the color depth of the image. Typical values are 1, 4, 8, 16, 24 and 32. More...
unsigned int	biClrImportant
unsigned int	biClrUsed
unsigned int	biCompression
	Define the compression method being used 0 (BI_RGB): No compression 1 (BI_RLE8): 2 (BI_RLE4): 3 (BI_BITFIELDS): More...
int	biHeight
	Height of the bitmap in pixels If this value is positive -> "bottom-up"-bitmap (picture data starts with the bottom line and ends with the top line) If this value is negative ->"top-down"-Bitmap (picture data starts with the top line and ends with the bottom line) More...
unsigned short	biPlanes
	Number of color planes being used. Not often used. More...
unsigned int	biSize
	Size of the information header. More...
unsigned int	biSizeImage
	Image size. This is the size of the raw bitmap data. More...
int	biWidth
	Width of the bitmap in pixels. More...
int	biXPelsPerMeter
	Horizontal resolution. More...
int	biYPelsPerMeter
	Vertical resolution. More...

unsigned short bm_info_header_s::biBitCount

Number of bits per pixel, which is the color depth of the image. Typical values are 1, 4, 8, 16, 24 and 32.

unsigned int bm_info_header_s::biClrImportant

unsigned int bm_info_header_s::biClrUsed

unsigned int bm_info_header_s::biCompression

Define the compression method being used 0 (BI_RGB): No compression 1 (BI_RLE8): 2 (BI_RLE4): 3 (BI_BITFIELDS):

int bm_info_header_s::biHeight

Height of the bitmap in pixels If this value is positive -> "bottom-up"-bitmap (picture data starts with the bottom line and ends with the top line) If this value is negative ->"top-down"-Bitmap (picture data starts with the top line and ends with the bottom line)

Referenced by load_sdram_data().

unsigned short bm_info_header_s::biPlanes

Number of color planes being used. Not often used.

unsigned int bm_info_header_s::biSize

Size of the information header.

unsigned int bm_info_header_s::biSizeImage

Image size. This is the size of the raw bitmap data.

Referenced by load_sdram_data().

int bm_info_header_s::biWidth

Width of the bitmap in pixels.

Referenced by load_sdram_data().

int bm_info_header_s::biXPelsPerMeter

Horizontal resolution.

int bm_info_header_s::biYPelsPerMeter

Vertical resolution.