Am 26.03.2012 21:20, schrieb Thomas Freitag:
Am 26.03.2012 20:39, schrieb Albert Astals Cid:
El Dilluns, 26 de març de 2012, a les 20:30:35, Thomas Freitag va escriure:
Am 26.03.2012 19:47, schrieb Albert Astals Cid:
El Diumenge, 25 de març de 2012, a les 22:34:20, Thomas Freitag va
escriure:
Am 19.03.2012 08:05, schrieb Thomas Freitag:
Am 16.03.2012 16:08, schrieb Carlos Garcia Campos:
Excerpts from Albert Astals Cid's message of jue mar 15 22:23:15 +0100
2012:
Available from
http://poppler.freedesktop.org/poppler-0.19.1.tar.gz

WARNING: This is a unstable release, it is actually 0.20 Beta 1
release,
it
should work like any release from the 0.18 branch, but do not blame us
if it turns your cat into a lion and eats your breakfast.

Changes against the 0.19.0 branch:

core:
    * Improve CJK suport in PSOutputDev
    * CJK substitute implementation on WIndows platforms
* Do not crash on malformed files with 0 bits in the color map of
    an
    image
    * Fix regression in some PSOutputDev array sizing
    * Improvements to Annotation editing
    * Fix logic error in Rendition parsing code (Bug #47063)
    * Minor API changes to SplashOutputDev (Bug #46622)
    * Fix mismatch in some functions declarations
    * Update poppler copyright year

utils:
    * pdftops: Fix -passfonts regression. (Bug #46744)
    * pdffonts: List the encoding of each font. (Bug #46888)
* pdftohtml: Add possibilty of controlling word breaks percentage.
    (Bug #47022)>>>

qt4:
    * Support for LinkMovie object (Bug #40561)
    * Support for Media Rendition

glib:
    * Add poppler_fonts_iter_get_encoding
    * Improvements to the demo

Testing, patches and bug reports welcome.

My TODO list is:
    * Work with Fabio in his Annot Qt4 patches
* Decide something with Adrian in the "Pdf that uses the symbol
    font"
thread * Review 47186 pdftohtml: mask images are not extracted,
    unless they are JPEG * Review 32340 pdftohtml: renders images
    vertically flipped

Remember feature freeze is in 2 weeks with Beta 2

If anyone has anything else that thinks it is waiting on me for
further
feedback, tellme, because it's not on my list
The xpdf303 merge introduced some regressions in the cairo backend,
I'll try to find some time this weekend to send more details to the
list.
I just finished the patch for these regressions, they had differents
reasons 1. In CharCodeToUnicode::mapToUnicode the identity support was
missing 2. The new algorithms for axial and radial shading caused
problems in cairo. I revert these changes but removed the examination of
hidden content (this is already done in the calling function)
3. The examination of optional hidden content in showing text was wrong: of course hidden text should not be shown, but text parameters like text
position in the state must be changed!
4. Searching and finding fonts especially with base14 fonts should be
more exact than just looking at the base14 name (i.e. fixed width and so
on) when using fontconfig. I implement that to find the best font
fitting to the needs.
Don't know which of them but applying it makes me lose half of the letter
in bug-poppler28632.pdf
Can You explain it a little bit more? I saw especially this one as on
enhancement. I send You in private (it's nearal 1 MByte) the output with
cairo and splash with this patch, the ouptput with splash with the head
revisiion and the ouput with r92ce79.
You can reproduce the problem. Have a look at your files and see that bug-
poppler28632-spash-patch-1.png has much fewer characters than bug-
poppler28632-spash-head.1.png (e.g. first column, last row, the 'a' is
missing)
I see now: In the head revision we started with "Times New Roman", and fontconfig delivers: "/usr/share/fonts/truetype/ttf-liberation/LiberationSerif-Regular.ttf". In the patch (and also in the revision), we start with "Times-Roman" (Times New Roman is in the base14FontMap, and should therefore be replaced by "Times-Roman"), and fontconfig delivers "/usr/share/fonts/X11/Type1/n021003l.pfb".
What shall I do? The comments say the following:

// Acrobat 4.0 and earlier substituted Base14-compatible fonts without
// providing Widths and a FontDescriptor, so we munge the names into
// the proper Base14 names.  This table is from implementation note 44
// in the PDF 1.4 spec, with some additions based on empirical
// evidence.

And without this substitution I got problems in other PDF, i.e. with "TimesNewRomanPSMT" or simular in another PDF.
You can see, what I mean, if You just remove the line

  { "TimesNewRoman",                "Times-Roman" },

(should be line 121 in GfxFont.cc) from base14FontMap.

Thomas

Thomas


Albert

Thomas

Can you please have a look?

Albert

Cheers,
Thomas

Albert
Thanks,


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