home *** CD-ROM | disk | FTP | other *** search
- /* hpcdtoppm (Hadmut's pcdtoppm) v0.4
- * Copyright (c) 1992, 1993 by Hadmut Danisch (danisch@ira.uka.de).
- * Permission to use and distribute this software and its
- * documentation for noncommercial use and without fee is hereby granted,
- * provided that the above copyright notice appear in all copies and that
- * both that copyright notice and this permission notice appear in
- * supporting documentation. It is not allowed to sell this software in
- * any way. This software is not public domain.
- */
-
- #include "hpcdtoppm.h"
-
-
- float PAPER_LEFT =DEF_PAPER_LEFT;
- float PAPER_BOTTOM =DEF_PAPER_BOTTOM;
- float PAPER_WIDTH =DEF_PAPER_WIDTH;
- float PAPER_HEIGHT =DEF_PAPER_HEIGHT;
-
-
-
- static char pshdr[]=
- "%%Creator: hpcdtoppm by Hadmut Danisch (danisch@ira.uka.de), hpcd_ps by Adolf Mathias (mathias@ira.uka.de)\n";
-
-
- /* find an appropriate scaling coefficient and generate a ps header
- * including a BoundingBox comment and a translate/scale sequence to
- * fit the pixw*pixh image into a square on paper with PS user coordinates
- * x,y,w,h
- */
- static void size_dependant(pixw,pixh, x,y,w,h)
- int pixw,pixh;
- float x,y,w,h;
- { float scale=(float)w/pixw,scaley=(float)h/pixh;
-
- if(scale>scaley) scale=scaley;
- x+=w/2.0;y+=h/2.0;
- fprintf(fout,"%s",pshdr);
- fprintf(fout,"%%%%BoundingBox %.8g %.8g %.8g %.8g\n",
- x-scale*pixw/2.0,y-scale*pixh/2.0,
- x+scale*pixw/2.0,y+scale*pixh/2.0);
-
- if(pcdname) fprintf(fout,"%%%%Title: %s\n",pcdname);
- fputs("%%EndComments\n\n",fout);
-
- fprintf(fout,"%f %f translate\n",x-scale*pixw/2.0,y-scale*pixh/2.0);
- fprintf(fout,"%f %f scale\n",scale*pixw,scale*pixh);
- }
-
-
-
-
-
-
- static void sub_psgrey(w,h, ptr,zeil,pix)
- sdim w,h, zeil,pix;
- uBYTE *ptr;
-
- { sdim x,y;
- register uBYTE *p;
- int c;
-
- size_dependant(w,h,PAPER_LEFT,PAPER_BOTTOM,PAPER_WIDTH,PAPER_HEIGHT);
- fprintf(fout,"%ld string\n",w);
- fprintf(fout,"%ld %ld 8\n",w,h); /* always 8 bit per channel */
- fprintf(fout,"[%ld 0 0 %ld 0 %ld]\n",w,-h,h);
- fputs("{currentfile 1 index readhexstring pop} image\n",fout);
-
- c=0;
- for(y=0;y<h;y++,ptr+=zeil)
- for(p=ptr,x=0;x<w;x++,p+=pix)
- {fprintf(fout,"%.2X",*p);
- if(!(++c % 36)) fputs("\n",fout);
- }
-
- fputs("pop\n",fout);
- }
-
-
- void write_epsgrey(w,h, ptr,zeil,pix)
- sdim w,h, zeil,pix;
- uBYTE *ptr;
- {
- fputs("%!PS-Adobe-2.0 EPSF-2.0\n",fout);
- sub_psgrey(w,h, ptr,zeil,pix);
- }
-
- void write_psgrey(w,h, ptr,zeil,pix)
- sdim w,h, zeil,pix;
- uBYTE *ptr;
- {
- fputs("%!PS-Adobe-2.0\n",fout);
- sub_psgrey(w,h, ptr,zeil,pix);
- fputs("showpage\n",fout);
- }
-
-
-
-
-
-
-
-
-
-
-
- static void sub_psrgb(w,h, rptr,rzeil,rpix,
- gptr,gzeil,gpix,
- bptr,bzeil,bpix)
- sdim w,h, rzeil,gzeil,bzeil, rpix,gpix,bpix;
- uBYTE *rptr,*gptr,*bptr;
-
- { sdim x,y;
- register uBYTE *pr,*pg,*pb;
- int c;
-
- size_dependant(w,h,PAPER_LEFT,PAPER_BOTTOM,PAPER_WIDTH,PAPER_HEIGHT);
- fprintf(fout,"%ld string\n",w*3);
- fprintf(fout,"%ld %ld 8\n",w,h); /* always 8 bit per channel */
- fprintf(fout,"[%ld 0 0 %ld 0 %ld]\n",w,-h,h);
- fputs("{currentfile 1 index readhexstring pop} false 3 colorimage\n",fout);
-
- c=0;
- for(y=0;y<h;y++,rptr+=rzeil,gptr+=gzeil,bptr+=bzeil)
- for(pr=rptr,pg=gptr,pb=bptr,x=0;x<w;x++,pr+=rpix,pg+=gpix,pb+=bpix)
- {fprintf(fout,"%.2X%.2X%.2X",*pr,*pg,*pb);
- if(!(++c % 12)) fputs("\n",fout);
- }
-
- fputs("\npop\n",fout);
- }
-
-
- void write_epsrgb(w,h, rptr,rzeil,rpix,
- gptr,gzeil,gpix,
- bptr,bzeil,bpix)
- sdim w,h, rzeil,gzeil,bzeil, rpix,gpix,bpix;
- uBYTE *rptr,*gptr,*bptr;
- {
- fputs("%!PS-Adobe-2.0 EPSF-2.0\n",fout);
- sub_psrgb(w,h, rptr,rzeil,rpix,gptr,gzeil,gpix,bptr,bzeil,bpix);
- }
-
-
-
- void write_psrgb(w,h, rptr,rzeil,rpix,
- gptr,gzeil,gpix,
- bptr,bzeil,bpix)
- sdim w,h, rzeil,gzeil,bzeil, rpix,gpix,bpix;
- uBYTE *rptr,*gptr,*bptr;
- {
- fputs("%!PS-Adobe-2.0\n",fout);
- sub_psrgb(w,h, rptr,rzeil,rpix,gptr,gzeil,gpix,bptr,bzeil,bpix);
- fputs("showpage\n",fout);
- }
-
-
-
-