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/*********************************************************************************
* recordMyDesktop *
**********************************************************************************
* *
* Copyright (C) 2006 John Varouhakis *
* *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
**********************************************************************************/
#include <recordmydesktop.h>
int ZPixmapToBMP(XImage *imgz,BRWindow *brwin,char *fname,int nbytes,int scale){
FILE *fpbmp;
int i,k;
int siz=52+nbytes/(pow(scale,2));
int offs=54+1024;
short int rsrvd=0;
int hsiz=40;
int width=brwin->rgeom.width/scale,height=brwin->rgeom.height/scale,nbts=nbytes/(pow(scale,2));
unsigned short int planes=1;
unsigned short int bpp=24;
unsigned int cmpr=0;
unsigned int ncols=0;
char *dtap=imgz->data;
/*Write header*/
fpbmp=fopen(fname,"wb");
fputc('B',fpbmp);
fputc('M',fpbmp);
fwrite(&siz,4,1,fpbmp);
fwrite(&rsrvd,2,1,fpbmp);
fwrite(&rsrvd,2,1,fpbmp);
fwrite(&offs,4,1,fpbmp);
fwrite(&hsiz,4,1,fpbmp);
fwrite(&(width),4,1,fpbmp);
fwrite(&(height),4,1,fpbmp);
fwrite(&planes,2,1,fpbmp);
fwrite(&bpp,2,1,fpbmp);
fwrite(&cmpr,4,1,fpbmp);
fwrite(&nbts,4,1,fpbmp);
fwrite(&(width),4,1,fpbmp);
fwrite(&(height),4,1,fpbmp);
fwrite(&(ncols),4,1,fpbmp);
fwrite(&(ncols),4,1,fpbmp);
for(i=0;i<1024;i++)
fputc(0,fpbmp);
/*Data*/
for(k=(nbytes/imgz->bytes_per_line)-1;k>=0;k-=scale){
for(i=0;i<imgz->bytes_per_line/4;i+=scale){
fwrite(&dtap[(i*4)+k*(imgz->bytes_per_line)],1,1,fpbmp);
fwrite(&dtap[(i*4)+k*(imgz->bytes_per_line)+1],1,1,fpbmp);
fwrite(&dtap[(i*4)+k*(imgz->bytes_per_line)+2],1,1,fpbmp);
}
}
fclose(fpbmp);
return 0;
}
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