106 lines
2.3 KiB
C
106 lines
2.3 KiB
C
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/**
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* FreeRDP: A Remote Desktop Protocol Client
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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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#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/bitmap.h>
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typedef struct
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{
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uint8 magic[2];
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} bmpfile_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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} bmpfile_header;
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typedef struct
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{
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uint32 header_sz;
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sint32 width;
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sint32 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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sint32 hres;
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sint32 vres;
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uint32 ncolors;
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uint32 nimpcolors;
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} BITMAPINFOHEADER;
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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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bmpfile_magic magic;
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bmpfile_header header;
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BITMAPINFOHEADER 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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printf("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(bmpfile_magic) +
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sizeof(bmpfile_header) +
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sizeof(BITMAPINFOHEADER);
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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(BITMAPINFOHEADER);
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fwrite((void*) &magic, sizeof(bmpfile_magic), 1, fp);
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fwrite((void*) &header, sizeof(bmpfile_header), 1, fp);
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fwrite((void*) &info_header, sizeof(BITMAPINFOHEADER), 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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