Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-21 Thread Michal Kvasnička
Many thanks for your answer. If I include some transparent stuff on a light background (i.e. a metapost figure on a light gray screen), there's a visible rectangle around it (on the screen). Yes, it's unfortunately normal at least in Acrobat 7 and 8, also in Apple's PDF viewer (in

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-21 Thread Taco Hoekwater
Hans Hagen wrote: However, what I meant was slightly different: not a tiny white line around but a solid (full) rectangle with light gray background. You can see it here: http://www.econ.muni.cz/~qasar/tmp/inst-slide02.pdf, page 3 (the ugly background in the figure on the page 2 is my

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-21 Thread Michal Kvasnička
Oops. You've seen my Marx pictures. I'm ashamed I was caught. :-( (Well, no, I'm not a Marxist.) :-) I think the alpha channel is not the cause, since I can see the light gray rectangles under the MetaPost figures, not under PNG with transparency. I don't know how precisely the transparency is

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-21 Thread Martin Schröder
2008/2/21, Taco Hoekwater [EMAIL PROTECTED]: I am looking at in in AR 7.0.8 on linux, and it looks fine, no weird artifacts at all. Same here with AR 8.1.2 @ Linux. Best Martin ___ If your question is of

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-21 Thread Hans Hagen
Michal Kvasnička wrote: Oops. You've seen my Marx pictures. I'm ashamed I was caught. :-( (Well, no, I'm not a Marxist.) :-) well, there is nothing wrong with being a marxist; it's the implementation that matters / makes the difference -) Hans

[NTG-context] Adobe Reader, PNG transparency and colors

2008-02-20 Thread Michal Kvasnička
Hallo you all. I found a strange problem. I create my slides with ConTeXt. Everything was all right before I included pictures in PNG with transparent background. Adobe Reader 8.1.2 under Linux (at least this one) changes colors on every page where such a PNG is included. Xpdf shows it all right.

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-20 Thread Hans van der Meer
On 20 feb 2008, at 10:11, Martin Schröder wrote: 2008/2/20, Michal Kvasnička [EMAIL PROTECTED]: pdfTeX is 3.141592-1.40.3 (Web2C 7.5.6) Update your pdftex. It's a bug we fixed in 1.40.6. Best Martin I compiled 1.40.6 on MacOSX-10.5.2 and found that the pdf it generated was defective.

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-20 Thread Hans van der Meer
Martin, Happy message. The error occurring in pdftex 1.40.6 apparently has vanished in 1.40.7. Now pdf's are produced here on a simple testrun. Hans van der Meer On 20 feb 2008, at 13:03, Martin Schröder wrote: 2008/2/20, Hans van der Meer [EMAIL PROTECTED]: I compiled 1.40.6 on

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-20 Thread Martin Schröder
2008/2/20, Michal Kvasnička [EMAIL PROTECTED]: However, there seems to be one more strange thing (not that big): If I include some transparent stuff on a light background (i.e. a metapost figure on a light gray screen), there's a visible rectangle around it (on the screen). Don't you what's

Re: [NTG-context] Adobe Reader, PNG transparency and colors

2008-02-20 Thread Henning Hraban Ramm
Am 2008-02-20 um 19:54 schrieb Martin Schröder: However, there seems to be one more strange thing (not that big): If I include some transparent stuff on a light background (i.e. a metapost figure on a light gray screen), there's a visible rectangle around it (on the screen). Don't you