111 lines
2.4 KiB
C
111 lines
2.4 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* Bitmap File Format Utils
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#include <string.h>
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#include <freerdp/types.h>
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#include <freerdp/utils/debug.h>
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#include <freerdp/utils/bitmap.h>
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typedef struct
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{
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BYTE magic[2];
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} BITMAP_MAGIC;
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typedef struct
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{
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UINT32 filesz;
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UINT16 creator1;
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UINT16 creator2;
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UINT32 bmp_offset;
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} BITMAP_CORE_HEADER;
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typedef struct
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{
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UINT32 header_sz;
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INT32 width;
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INT32 height;
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UINT16 nplanes;
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UINT16 bitspp;
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UINT32 compress_type;
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UINT32 bmp_bytesz;
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INT32 hres;
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INT32 vres;
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UINT32 ncolors;
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UINT32 nimpcolors;
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} BITMAP_INFO_HEADER;
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void freerdp_bitmap_write(char* filename, void* data, int width, int height, int bpp)
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{
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FILE* fp;
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BITMAP_MAGIC magic;
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BITMAP_CORE_HEADER header;
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BITMAP_INFO_HEADER info_header;
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fp = fopen(filename, "w+b");
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if (fp == NULL)
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{
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DEBUG_WARN( "failed to open file %s\n", filename);
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return;
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}
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magic.magic[0] = 'B';
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magic.magic[1] = 'M';
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header.creator1 = 0;
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header.creator2 = 0;
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header.bmp_offset =
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sizeof(BITMAP_MAGIC) +
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sizeof(BITMAP_CORE_HEADER) +
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sizeof(BITMAP_INFO_HEADER);
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info_header.bmp_bytesz = width * height * (bpp / 8);
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header.filesz =
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header.bmp_offset +
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info_header.bmp_bytesz;
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info_header.width = width;
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info_header.height = (-1) * height;
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info_header.nplanes = 1;
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info_header.bitspp = bpp;
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info_header.compress_type = 0;
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info_header.hres = width;
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info_header.vres = height;
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info_header.ncolors = 0;
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info_header.nimpcolors = 0;
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info_header.header_sz = sizeof(BITMAP_INFO_HEADER);
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fwrite((void*) &magic, sizeof(BITMAP_MAGIC), 1, fp);
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fwrite((void*) &header, sizeof(BITMAP_CORE_HEADER), 1, fp);
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fwrite((void*) &info_header, sizeof(BITMAP_INFO_HEADER), 1, fp);
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fwrite((void*) data, info_header.bmp_bytesz, 1, fp);
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fclose(fp);
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}
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