BMP_Header Struct Reference

BMP Module header structure.

#include <bmp.h>

Data Fields

uint16_t magic
Magic identifier: "BM" (for bmp files)
uint32_t fileSize
Size of the bmp file in bytes.
uint16_t reserved1
Reserved 1.
uint16_t reserved2
Reserved 2.
uint32_t dataOffset
Data offset relative to the start of the bmp data.
uint32_t headerSize
Header size in bytes.
uint32_t width
Width of bmp.
uint32_t height
Height of bmp.
uint16_t colorPlanes
Color planes.
uint16_t bitsPerPixel
Color depth.
uint32_t compressionType
Compression type.
uint32_t imageDataSize
Size of raw BMP data.
uint32_t hPixelsPerMeter
Horizontal resolution (pixels per meter)
uint32_t vPixelsPerMeter
Vertical resolution (pixels per meter)
uint32_t colorsUsed
Number of color indices in the color table that are actually used by the bitmap.
uint32_t colorsRequired
Number of color indices that are required for displaying the bitmap.

BMP Module header structure.

Must be packed to exact 54 bytes.

Field Documentation

magic

uint16_t BMP_Header::magic

Magic identifier: "BM" (for bmp files)

fileSize

uint32_t BMP_Header::fileSize

Size of the bmp file in bytes.

reserved1

uint16_t BMP_Header::reserved1

Reserved 1.

reserved2

uint16_t BMP_Header::reserved2

Reserved 2.

dataOffset

uint32_t BMP_Header::dataOffset

Data offset relative to the start of the bmp data.

headerSize

uint32_t BMP_Header::headerSize

Header size in bytes.

width

uint32_t BMP_Header::width

Width of bmp.

height

uint32_t BMP_Header::height

Height of bmp.

colorPlanes

uint16_t BMP_Header::colorPlanes

Color planes.

bitsPerPixel

uint16_t BMP_Header::bitsPerPixel

Color depth.

compressionType

uint32_t BMP_Header::compressionType

Compression type.

imageDataSize

uint32_t BMP_Header::imageDataSize

Size of raw BMP data.

hPixelsPerMeter

uint32_t BMP_Header::hPixelsPerMeter

Horizontal resolution (pixels per meter)

vPixelsPerMeter

uint32_t BMP_Header::vPixelsPerMeter

Vertical resolution (pixels per meter)

colorsUsed

uint32_t BMP_Header::colorsUsed

Number of color indices in the color table that are actually used by the bitmap.

colorsRequired

uint32_t BMP_Header::colorsRequired

Number of color indices that are required for displaying the bitmap.