Re: [NTG-context] ntg-context Digest, Vol 99, Issue 40

2012-09-14 Thread Troy Henderson
I put together this little utility for converting a color EPS/PDF/SVG to grayscale. http://www.tlhiv.org/grayscale/ Selecting "invert" swaps colors from white to black and black to white. So, using a black/white graphic on a transparent background should transform it to a white/black graphic on a

Re: [NTG-context] ntg-context Digest, Vol 99, Issue 40

2012-09-14 Thread Troy Henderson
> > Unfortunatly there is no such a sequence in my file: > > grep setrgbcolor a1.EPS > /setcmykcolor{1 sub 4 1 roll 3{3 index add neg dup 0 lt{pop 0}if 3 1 > roll}repeat setrgbcolor pop}wd > /sw/setlinewidth ld/scap/setlinecap ld/sj/setlinejoin ld/sm/setmiterlimit > ld/sd/setdash ld/rgb/setrgbcolor

Re: [NTG-context] ntg-context Digest, Vol 99, Issue 40

2012-09-14 Thread pol stra
Troy Henderson said: >I tested this on a black-on-transparent EPS that was created via MetaPost, and >it seems to work fine. If you are not using Linux (or Unix or Mac OS X), let >me know and I can probably >put together a quick HTML page to do this on my >server. Thanks for the invitation. F