bmp.cpp File Reference

Read and write support for bmps. More...

#include "stdafx.h"
#include "random_access_file_type.h"
#include "bmp.h"
#include "core/bitmath_func.hpp"
#include "safeguards.h"

Go to the source code of this file.

Functions
static bool	BmpRead1 (RandomAccessFile &file, BmpInfo &info, BmpData &data)
	Reads a 1 bpp uncompressed bitmap The bitmap is converted to a 8 bpp bitmap.
static bool	BmpRead4 (RandomAccessFile &file, BmpInfo &info, BmpData &data)
	Reads a 4 bpp uncompressed bitmap The bitmap is converted to a 8 bpp bitmap.
static bool	BmpRead4Rle (RandomAccessFile &file, BmpInfo &info, BmpData &data)
	Reads a 4-bit RLE compressed bitmap The bitmap is converted to a 8 bpp bitmap.
static bool	BmpRead8 (RandomAccessFile &file, BmpInfo &info, BmpData &data)
	Reads a 8 bpp bitmap.
static bool	BmpRead8Rle (RandomAccessFile &file, BmpInfo &info, BmpData &data)
	Reads a 8-bit RLE compressed bpp bitmap.
static bool	BmpRead24 (RandomAccessFile &file, BmpInfo &info, BmpData &data)
	Reads a 24 bpp uncompressed bitmap.
bool	BmpReadHeader (RandomAccessFile &file, BmpInfo &info, BmpData &data)
bool	BmpReadBitmap (RandomAccessFile &file, BmpInfo &info, BmpData &data)

Detailed Description

Read and write support for bmps.

Definition in file bmp.cpp.

Function Documentation

BmpRead1()

static bool BmpRead1 ( RandomAccessFile &  file, BmpInfo &  info, BmpData &  data  )

inlinestatic

Reads a 1 bpp uncompressed bitmap The bitmap is converted to a 8 bpp bitmap.

Definition at line 21 of file bmp.cpp.

References RandomAccessFile::AtEndOfFile(), GB(), BmpInfo::height, RandomAccessFile::ReadByte(), RandomAccessFile::SkipBytes(), and BmpInfo::width.

BmpRead24()

static bool BmpRead24 ( RandomAccessFile &  file, BmpInfo &  info, BmpData &  data  )

inlinestatic

Reads a 24 bpp uncompressed bitmap.

Definition at line 223 of file bmp.cpp.

References RandomAccessFile::AtEndOfFile(), GB(), BmpInfo::height, RandomAccessFile::ReadByte(), RandomAccessFile::SkipBytes(), and BmpInfo::width.

BmpRead4()

static bool BmpRead4 ( RandomAccessFile &  file, BmpInfo &  info, BmpData &  data  )

inlinestatic

Reads a 4 bpp uncompressed bitmap The bitmap is converted to a 8 bpp bitmap.

Definition at line 45 of file bmp.cpp.

References RandomAccessFile::AtEndOfFile(), GB(), BmpInfo::height, RandomAccessFile::ReadByte(), RandomAccessFile::SkipBytes(), and BmpInfo::width.

BmpRead4Rle()

static bool BmpRead4Rle ( RandomAccessFile &  file, BmpInfo &  info, BmpData &  data  )

inlinestatic

Reads a 4-bit RLE compressed bitmap The bitmap is converted to a 8 bpp bitmap.

Definition at line 71 of file bmp.cpp.

References RandomAccessFile::AtEndOfFile(), GB(), BmpInfo::height, RandomAccessFile::ReadByte(), RandomAccessFile::SkipBytes(), and BmpInfo::width.

BmpRead8()

static bool BmpRead8 ( RandomAccessFile &  file, BmpInfo &  info, BmpData &  data  )

inlinestatic

Reads a 8 bpp bitmap.

Definition at line 145 of file bmp.cpp.

References RandomAccessFile::AtEndOfFile(), GB(), BmpInfo::height, RandomAccessFile::ReadByte(), RandomAccessFile::SkipBytes(), and BmpInfo::width.

BmpRead8Rle()

static bool BmpRead8Rle ( RandomAccessFile &  file, BmpInfo &  info, BmpData &  data  )

inlinestatic

Reads a 8-bit RLE compressed bpp bitmap.

Definition at line 161 of file bmp.cpp.

References RandomAccessFile::AtEndOfFile(), BmpInfo::height, RandomAccessFile::ReadByte(), RandomAccessFile::SkipBytes(), and BmpInfo::width.

BmpReadBitmap()

bool BmpReadBitmap	(	RandomAccessFile &	file,
		BmpInfo &	info,
		BmpData &	data
	)

Definition at line 317 of file bmp.cpp.

BmpReadHeader()

bool BmpReadHeader	(	RandomAccessFile &	file,
		BmpInfo &	info,
		BmpData &	data
	)

Definition at line 244 of file bmp.cpp.