FreeRDP/winpr/libwinpr/utils/wlog/ImageMessage.c
2013-10-02 15:41:46 -04:00

111 lines
2.4 KiB
C

/**
* WinPR: Windows Portable Runtime
* WinPR Logger
*
* Copyright 2013 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/wlog.h>
#include "wlog/ImageMessage.h"
#include <stdio.h>
#include <string.h>
typedef struct
{
BYTE magic[2];
} BITMAP_MAGIC;
typedef struct
{
UINT32 filesz;
UINT16 creator1;
UINT16 creator2;
UINT32 bmp_offset;
} BITMAP_CORE_HEADER;
typedef struct
{
UINT32 header_sz;
INT32 width;
INT32 height;
UINT16 nplanes;
UINT16 bitspp;
UINT32 compress_type;
UINT32 bmp_bytesz;
INT32 hres;
INT32 vres;
UINT32 ncolors;
UINT32 nimpcolors;
} BITMAP_INFO_HEADER;
int WLog_ImageMessage_Write(char* filename, void* data, int width, int height, int bpp)
{
FILE* fp;
BITMAP_MAGIC magic;
BITMAP_CORE_HEADER header;
BITMAP_INFO_HEADER info_header;
fp = fopen(filename, "w+b");
if (!fp)
{
fprintf(stderr, "failed to open file %s\n", filename);
return -1;
}
magic.magic[0] = 'B';
magic.magic[1] = 'M';
header.creator1 = 0;
header.creator2 = 0;
header.bmp_offset =
sizeof(BITMAP_MAGIC) +
sizeof(BITMAP_CORE_HEADER) +
sizeof(BITMAP_INFO_HEADER);
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(BITMAP_INFO_HEADER);
fwrite((void*) &magic, sizeof(BITMAP_MAGIC), 1, fp);
fwrite((void*) &header, sizeof(BITMAP_CORE_HEADER), 1, fp);
fwrite((void*) &info_header, sizeof(BITMAP_INFO_HEADER), 1, fp);
fwrite((void*) data, info_header.bmp_bytesz, 1, fp);
fclose(fp);
return 0;
}