/** @file bmp.cpp Read and write support for bmps. */

#include "stdafx.h"

#include "bmp.h"

#include "core/bitmath_func.hpp"

#include "core/alloc_func.hpp"

void BmpInitializeBuffer(BmpBuffer *buffer, FILE *file)

{

	buffer->pos      = -1;

	buffer->file     = file;

	buffer->read     = 0;

 * Reads bitmap headers, and palette (if any)

 */

bool BmpReadHeader(BmpBuffer *buffer, BmpInfo *info, BmpData *data)

{

	uint32 header_size;

	assert(info != NULL);

	/* Reading BMP header */

	if (ReadWord(buffer) != 0x4D42) return false; // signature should be 'BM'

	SkipBytes(buffer, 8); // skip file size and reserved

	info->offset = ReadDword(buffer);