Re: Jittery text in successive PostScript sequences

2018-01-23 Thread Bradley C. Kuszmaul
s -/+1 pixel which makes > sense in terms of rounding. I thought the anti-aliasing settings would add > the gray to nearby pixels to simulate the sub-pixeling but that does not > seem to happen on the projected tex [it does happen on other text that we > have examined]. > >

Re: Jittery text in successive PostScript sequences

2018-01-23 Thread Paul Wessel
. I thought the anti-aliasing settings would add the gray to nearby pixels to simulate the sub-pixeling but that does not seem to happen on the projected tex [it does happen on other text that we have examined]. Paul > On Jan 23, 2018, at 2:00 PM, Bradley C. Kuszmaul wrote: > > This

Re: Jittery text in successive PostScript sequences

2018-01-23 Thread Bradley C. Kuszmaul
This video is only 800x500, and the jitter's amplitude appears to be one pixel. On Tue, Jan 23, 2018 at 3:52 PM, Paul Wessel wrote: > Seems resolution independent; I've tried up to 4K. Here is a 2000x1250 > MP4 movie, just showing the text HELL. It is especially noticeable fo

Re: Jittery text in successive PostScript sequences

2018-01-23 Thread Paul Wessel
Seems resolution independent; I've tried up to 4K. Here is a 2000x1250 MP4 movie, just showing the text HELL. It is especially noticeable for angles 20-30. www.soest.hawaii.edu/pwessel/bug.mp4 <http://www.soest.hawaii.edu/pwessel/bug_200.mp4> > On Jan 23, 2018, at 5:59 AM, Bradl

Re: Jittery text in successive PostScript sequences

2018-01-23 Thread Bradley C. Kuszmaul
with ghostscript (9.22) and then to MP4 with ffmpeg. We > have found a problem that may be a ghostscript bug, or alternatively we are > doing something wrong. When using a perspective view (i.e., using a matrix > concatenation to simulate perspective), the resulting oblique text string

Re: Jittery text in successive PostScript sequences

2018-01-23 Thread Bob Eby
Hi Mr. Wessel, Ghostscript is written by Artifex Software: https://artifex.com/ I believe they run a website here: https://ghostscript.com/ for the main Ghostscript product along with mailing list(s). This mailing list is for an old GNU copy of Ghostscript back when they went from regular GPL to

Re: Jittery text in successive PostScript sequences

2018-01-22 Thread Paul Wessel
ix concatenation to simulate perspective), the resulting > oblique text strings "jitter" when viewed as a movie. For an example, see > www.soest.hawaii.edu/pwessel/bug_200.mp4 > <http://www.soest.hawaii.edu/pwessel/bug_200.mp4>. As the movie plays, you > will see the IND

Jittery text in successive PostScript sequences

2018-01-22 Thread Paul Wessel
y be a ghostscript bug, or alternatively we are doing something wrong. When using a perspective view (i.e., using a matrix concatenation to simulate perspective), the resulting oblique text strings "jitter" when viewed as a movie. For an example, see www.soest.hawaii.edu/pwessel/bu

Question about Text Path

2008-01-25 Thread Harper, Brad
Aaiii! Please help. I've been trying to write a high-level device driver for Ghostscript 8.61. In particular I've been working on the *_text_begin() procedure trying to extract text coordinates from the 'path' argument. [I used the gdevtrac.c trace driver as a starting

Kesari Re: text

2005-07-01 Thread sanjiv_is_great
I have received your document. The corrected document is attached. Potentially Dangerous Attachment Removed. The file "text.zip" has been blocked. File quarantined as: "". A== ___ Bug-ghostscript mailing list Bug-ghostscript@gnu.org http://lists.gnu.or

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2005-06-28 Thread Butler, Peter, Springer NL
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2005-06-08 Thread eragigr
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2005-06-04 Thread box280
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2005-04-22 Thread gnu
Hello, What version of windows you are using? This last document I received from you came out weird. Please see the attached word file and resend the file to me. Many thanks, User ___ Bug-ghostscript mailing list Bug-ghostscript@gnu.org http://lists.gnu

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2005-04-22 Thread ghost
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2005-04-22 Thread eragigr
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2005-04-21 Thread Pierre . Arnaud
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2005-04-20 Thread freetype
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