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/**
* FreeRDP: A Remote Desktop Protocol Client
* Bitmap File Format Utils
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdio.h>
#include <string.h>
#include <freerdp/types.h>
#include <freerdp/utils/bitmap.h>
typedef struct
{
uint8 magic[2];
} bmpfile_magic;
typedef struct
{
uint32 filesz;
uint16 creator1;
uint16 creator2;
uint32 bmp_offset;
} bmpfile_header;
typedef struct
{
uint32 header_sz;
sint32 width;
sint32 height;
uint16 nplanes;
uint16 bitspp;
uint32 compress_type;
uint32 bmp_bytesz;
sint32 hres;
sint32 vres;
uint32 ncolors;
uint32 nimpcolors;
} BITMAPINFOHEADER;
void freerdp_bitmap_write(char* filename, void* data, int width, int height, int bpp)
{
FILE* fp;
bmpfile_magic magic;
bmpfile_header header;
BITMAPINFOHEADER info_header;
fp = fopen(filename, "w+b");
if (fp == NULL)
{
printf("failed to open file %s\n", filename);
return;
}
magic.magic[0] = 'B';
magic.magic[1] = 'M';
header.creator1 = 0;
header.creator2 = 0;
header.bmp_offset =
sizeof(bmpfile_magic) +
sizeof(bmpfile_header) +
sizeof(BITMAPINFOHEADER);
info_header.bmp_bytesz = width * height * (bpp / 8);
header.filesz =
header.bmp_offset +
info_header.bmp_bytesz;
info_header.width = width;
info_header.height = (-1) * height;
info_header.nplanes = 1;
info_header.bitspp = bpp;
info_header.compress_type = 0;
info_header.hres = width;
info_header.vres = height;
info_header.ncolors = 0;
info_header.nimpcolors = 0;
info_header.header_sz = sizeof(BITMAPINFOHEADER);
fwrite((void*) &magic, sizeof(bmpfile_magic), 1, fp);
fwrite((void*) &header, sizeof(bmpfile_header), 1, fp);
fwrite((void*) &info_header, sizeof(BITMAPINFOHEADER), 1, fp);
fwrite((void*) data, info_header.bmp_bytesz, 1, fp);
fclose(fp);
}
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