You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
72 lines
2.5 KiB
72 lines
2.5 KiB
#include <stdio.h> |
|
|
|
#include <qpainter.h> |
|
#include <kdebug.h> |
|
#include <kprocess.h> |
|
#include <ktempfile.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 |
|
KTempFile PSfile(QString::null,".ps"); |
|
FILE *f = PSfile.fstream(); |
|
|
|
fputs("%!PS-Adobe-2.0\n",f); |
|
fputs("%%Creator: kdvi\n",f); |
|
fprintf(f,"%%Title: %s\n", filename.latin1()); |
|
fputs("%%Pages: 1\n",f); |
|
fputs("%%PageOrder: Ascend\n",f); |
|
fprintf(f,"%%BoundingBox: 0 0 %ld %ld\n", (long)(72*unshrunk_paper_w) / basedpi, |
|
(long)(72*unshrunk_paper_h) / basedpi); // HSize and VSize in 1/72 inch |
|
fputs("",f); //@@@ |
|
fputs("%%EndComments\n",f); |
|
fputs("%!\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 |
|
if (PostScriptHeaderString.latin1() != NULL) |
|
fputs(PostScriptHeaderString.latin1(),f); |
|
if (PostScript->latin1() != NULL) |
|
fputs(PostScript->latin1(),f); |
|
fputs("end\n",f); |
|
fputs("showpage \n",f); |
|
PSfile.close(); |
|
|
|
// Step 2: Call GS with the File |
|
KTempFile PNGfile(QString::null,".png"); |
|
PNGfile.close(); // we are just interested in the filename, not the file |
|
|
|
KProcess proc; |
|
proc << "gs"; |
|
proc << "-dNOPAUSE" << "-dBATCH" << "-sDEVICE=png16m"; |
|
proc << QString("-sOutputFile=%1").arg(PNGfile.name()); |
|
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 << PSfile.name(); |
|
proc.start(KProcess::Block); |
|
PSfile.unlink(); |
|
|
|
// Step 3: write the generated output to the pixmap |
|
QPixmap tmp(PNGfile.name()); |
|
foreGroundPaint.drawPixmap(0, 0, tmp); |
|
PNGfile.unlink(); |
|
}
|
|
|