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#include <stdio.h>
#include <qpainter.h>
#include <kdebug.h>
#include <kprocess.h>
#include "dviwin.h"
extern unsigned int page_w, page_h;
extern struct WindowRec currwin;
extern QPainter foreGroundPaint; // QPainter used for text
QString PostScriptHeaderString;
void dviWindow::renderPostScript(QString *PostScript) {
// Step 1: Write the PostScriptString to a File
FILE *f = fopen("/tmp/t","w");
fputs("%!PS-Adobe-2.0\n",f);
fputs("%%Creator: kdvi\n",f);
fputs("%%Title: test.dvi\n",f);
fputs("%%Pages: 1\n",f);
fputs("%%PageOrder: Ascend\n",f);
fputs("%%BoundingBox: 0 0 596 842\n",f); //@@@
fputs("%%EndComments\n",f);
fputs("(/usr/share/texmf/dvips/base/texc.pro) run\n",f);
fputs("(/usr/share/texmf/dvips/base/special.pro) run\n",f);
fputs("TeXDict begin",f);
fprintf(f," %ld", (long)72*65781*(unshrunk_paper_w / basedpi)); // HSize in (1/(65781.76*72))inch
fprintf(f," %ld", (long)72*65781*(unshrunk_paper_h / basedpi)); // VSize in (1/(65781.76*72))inch
fputs(" 1000",f); // Magnification
fputs(" 300 300",f); // dpi and vdpi
fputs(" (test.dvi)",f); // Name
fputs(" @start end\n",f);
fputs("TeXDict begin\n",f);
fputs("1 0 bop 0 0 a \n",f); // Start page
// fputs("@beginspecial 0 @llx 0 @lly 100 @urx 100 @ury @setspecial\n",f);
if (PostScriptHeaderString.latin1() != NULL)
fputs(PostScriptHeaderString.latin1(),f);
if (PostScript->latin1() != NULL)
fputs(PostScript->latin1(),f);
// fputs("@endspecial\n",f);
fputs("end\n",f);
fputs("showpage \n",f);
fclose(f);
// Step 2: Call GS with the File
KProcess proc;
proc << "gs";
proc << "-dNOPAUSE" << "-dBATCH" << "-sDEVICE=png16m" << "-sOutputFile=/tmp/s";
proc << QString("-g%1x%2").arg(page_w).arg(page_h); // page size in pixels
proc << QString("-r%1").arg(basedpi/currwin.shrinkfactor); // resolution in dpi
proc << "/tmp/t";
proc.start(KProcess::Block);
// Step 3: write the generated output to the pixmap
QPixmap tmp("/tmp/s");
foreGroundPaint.drawPixmap(0, 0, tmp);
}