1:57 p.m.
ref : https://bugs.launchpad.net/inkscape/+bug/165665
I believe this bug can be fixed by disabling the flag USE_PANGO_WIN32 in
line 19 of src/libnrtype/FontFactory.h. When I do this on Windows XP, I gain
about 35 new fonts. Not all of these new fonts are useable, but the most
interesting ones, such as CommercialPi, Symbol, Technic, Webdings,
Wingdings, MonoType Sorts, TechnicLite are working well, both in Inkscape
and in IE9.
This is a Windows-specific bug which hides symbol fonts, and does not
occur in Gimp 2.6 on Win XP. As far as I can tell, the Gimp source code does
not contain any analogue or equivalent of the flag USE_PANGO_WIN32.
Would there be any objection if I disable this flag, or does it serve a
specific purpose that is essential?
tia
- Alvin Penner
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12:34 p.m.
New subject: non-Unicode symbol fonts do not work on Windows. Bug 165665. Do we need the flag USE_PANGO_WIN32 ?
On 2011-11-12 at 21:57, Alvin Penner wrote:
I believe this bug can be fixed by disabling the flag USE_PANGO_WIN32
in
line 19 of src/libnrtype/FontFactory.h. When I do this on Windows XP, I gain
about 35 new fonts. Not all of these new fonts are useable, but the most
interesting ones, such as CommercialPi, Symbol, Technic, Webdings,
Wingdings, MonoType Sorts, TechnicLite are working well, both in Inkscape
and in IE9.
This is a Windows-specific bug which hides symbol fonts, and does not
occur in Gimp 2.6 on Win XP. As far as I can tell, the Gimp source code does
not contain any analogue or equivalent of the flag USE_PANGO_WIN32.
Would there be any objection if I disable this flag, or does it serve a
specific purpose that is essential?
I put that in (several years ago) because of a large number of
problems encountered trying to use fontconfig on win32. From memory,
these included:
- Extremely slow application startup (with no visual feedback) on
systems with a non-trivial number of fonts installed
- Lack of access to Type 1 fonts
- Poor integration with OS font management, meaning the fonts
available to Inkscape were not necessarily the same as those available
to other apps
If your testing leads you to believe that the above problems are now
solved (or at least more bearable) then feel free to toggle the macro.
When performance-testing it, make sure you have at least a few hundred
ttfs on a non-SSD disk, and it would probably be advisable to wipe the
fontconfig cache files before your testing in order to ensure we don't
present an atrocious first-time user experience.
The correct solution is to migrate away from pango-fc/pango-win32 and
towards pango-cairo.
Richard.
10 a.m.
Thanks for the feedback. Unfortunately, I am not in a position to do any
serious testing of performance issues because I only have about 100 fonts on
my Windows XP machine and Inkscape starts up in about 3 seconds or so.
However, here is a list of what I have seen so far. (I know nothing about
fonts, so you may have to excuse my terminology.)
- the original Inkscape, with flag USE_PANGO_WIN32 enabled, reports 64 font
families which are all of type .otf or .ttf
- the modified Inkscape, with flag USE_PANGO_WIN32 disabled, reports 100
font families, of which some are of type .fon
- in the switchover, 2 font families were lost, and 38 new families were
gained.
- the startup time for Inkscape is the same in both cases, 3 seconds
- the new list of font families appears to be identical to the list
presented by Gimp 2.6
- of the 38 new families, 16 of them fail silently when used in Inkscape,
and they revert back to the default Sans
(the 16 failures include all the .fon fonts and also some fonts that are
not recognized by the font viewer 'dp4 Font Viewer 2.0')
- the new fonts that fail in Inkscape, also appear to fail in Gimp as well,
as far as I can tell.
(in Inkscape I was able to detect the failure explicitly by monitoring the
call to InstallFace in FontFactory.cpp)
- the remaining 22 new fonts work properly in both Inkscape and Gimp
- the list of 22 new fonts that work includes all the fonts that have been
previously mentioned by name in Bug 165665 and Bug 887327
- could someone running Windows comment on whether they have any concerns
about this change? If not, then I will probably wait a few days and make the
change, which consists of about two keystrokes.
Alvin
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4:40 p.m.
Hi Alvin,
Am I understanding that this would replace the use of vector oriented
fonts with bit mapped?
If so, then this would be a regression IMHO.
Is there something I am missing in this thread?
MarkT
----------------------------------------------------------------
Further on the topic of Fonts....
What is the impact of this in relation to preparing a svg document for
web display?
It is a blind spot for me.
Serving fonts is gaining improvement in web pages.
The fontology of svg is gaining as well.
Though in web pages, it is likely that until svg 2.0, text will be
displayed using foreignObject/html.
WOFF == TrueType or OpenType font in a compressed form.
Does WebFont == WOFF?
http://www.w3.org/TR/2008/REC-CSS2-20080411/fonts.html#q1
In trying to describe my question, I find myself running in a circle I
recognize. ;)
Looking for clues here:
http://www.smashingmagazine.com/2011/03/02/the-font-face-rule-revisited-a...
http://webfonts.info/wiki/index.php?title=@font-face_browser_support
Can we prepare an Inkscape svg document to pre-flight fonts for web serving?
Similar to the script tag?
-------------------------------------------------------------------
On Tue, Nov 15, 2011 at 5:00 AM, Alvin Penner <penner@...1856...> wrote:
Thanks for the feedback. Unfortunately, I am not in a position to do any
serious testing of performance issues because I only have about 100 fonts on
7:02 p.m.
no, it would mean that on the Windows platform you would have access to new
vector-based .ttf fonts that were previously not available. Some background
info is at the bug report:
https://bugs.launchpad.net/inkscape/+bug/165665
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5:57 p.m.
committed to rev 10742
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7:14 p.m.
2011/11/14 Alvin Penner <penner@...1856...>:
- of the 38 new families, 16 of them fail silently when used in
Inkscape,
and they revert back to the default Sans
(the 16 failures include all the .fon fonts and also some fonts that are
not recognized by the font viewer 'dp4 Font Viewer 2.0')
I am guessing these are bitmap fonts. Currently Inkscape draws all
text as paths and cannot use bitmap fonts. This is because the
TextLayout class does not use Pango layouts but instead implements its
own layout algorithms and outputs the outlines glyph-by-glyph to the
rendering engine.
Regards, Krzysztof
3:37 p.m.
On Sun, Nov 13, 2011 at 12:34 PM, Richard Hughes <cyreve@...400...> wrote:
- Poor integration with OS font management, meaning the fonts
available to Inkscape were not necessarily the same as those available
to other apps
Alvin,
Years later... after we got the release out, it looks like it is
causing a regression.
It appears that fonts enabled via font management software are no
longer working in 0.91. Here's a related report:
https://bugs.launchpad.net/inkscape/+bug/1416674
I've heard enough noise out in the wild to be able to say it's
affecting a noticeable number of people (one person even brought it up
to me at scale). Any thoughts on a better solution.
Cheers,
Josh
7:59 p.m.
if it is causing a problem, the change can be reversed, it's just a matter of
flipping a switch, I don't have any particular strong feelings either way.
The change was made in:
http://bazaar.launchpad.net/~inkscape.dev/inkscape/trunk/revision/10742
Alvin
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2:45 a.m.
I would be quite willing to make the change, if that is what is desired.
Unfortunately, when I did the change here as a trial, I get the following
error messages, does anyone know what the source of these errors is?
Alvin
....................................
cc : compile src/libnrtype/FontInstance.cpp (src/libnrtype/FontFactory.h
modified)
Make error line 307: problem compiling: src/libnrtype/FontInstance.cpp: In
function 'Geom::Point pointfx_to_nrpoint(const POINTFX&, double)':
src/libnrtype/FontInstance.cpp:332:35: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
src/libnrtype/FontInstance.cpp:333:33: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
src/libnrtype/FontInstance.cpp: In member function 'bool
font_instance::FontDecoration(double&, double&, double&, double&)':
src/libnrtype/FontInstance.cpp:552:38: error: 'OUTLINETEXTMETRIC' has no
member named 'otmUnderscorePosition'
src/libnrtype/FontInstance.cpp:553:38: error: 'OUTLINETEXTMETRIC' has no
member named 'otmUnderscoreSize'
src/libnrtype/FontInstance.cpp:554:38: error: 'OUTLINETEXTMETRIC' has no
member named 'otmStrikeoutPosition'
src/libnrtype/FontInstance.cpp:555:38: error: 'OUTLINETEXTMETRIC' has no
member named 'otmStrikeoutSize'
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6:12 a.m.
I made a bit of progress by inspecting the file mingw\include\wingdi.h.
According to this, I renamed the variable otm.otmStrikeoutSize to be
otm.otmsStrikeoutSize, etc. Did this for all 4 errors and now it compiles
with the following warnings below:
When I run this new version, I can see that the symbol fonts are missing
(for example Commercial PI, Symbol, Technic, Webdings, Wingdings). This is
as expected. Also, a lot of the Pango warnings that used to show up when
loading the Text and Font Dialog are gone as well, so I assume the change
has successfully taken effect. However the warnings concern me, since I have
no idea what they mean. Also, I cannot successfully set a default font, it
forgets the default font that I previously set.
Would someone else be willing to take over at this point, I do not feel
technically competent to deal with this issue.
Alvin
..................................
compile src/libnrtype/FontInstance.cpp
STDERR:
src/libnrtype/FontInstance.cpp: In function 'Geom::Point
pointfx_to_nrpoint(const POINTFX&, double)':
src/libnrtype/FontInstance.cpp:332:35: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
src/libnrtype/FontInstance.cpp:333:33: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
##### Target : link
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11:20 a.m.
Can any of the Windows devs please take a look into this per Alvin's
request? This could fix a regression which is affecting a non-trivial
number of users and hurts us with the design crowd.
Cheers,
Josh
On Thu, Mar 12, 2015 at 6:12 AM, alvinpenner <penner@...1856...> wrote:
I made a bit of progress by inspecting the file
mingw\include\wingdi.h.
According to this, I renamed the variable otm.otmStrikeoutSize to be
otm.otmsStrikeoutSize, etc. Did this for all 4 errors and now it compiles
with the following warnings below:
When I run this new version, I can see that the symbol fonts are missing
(for example Commercial PI, Symbol, Technic, Webdings, Wingdings). This is
as expected. Also, a lot of the Pango warnings that used to show up when
loading the Text and Font Dialog are gone as well, so I assume the change
has successfully taken effect. However the warnings concern me, since I have
no idea what they mean. Also, I cannot successfully set a default font, it
forgets the default font that I previously set.
Would someone else be willing to take over at this point, I do not feel
technically competent to deal with this issue.
Alvin
..................................
compile src/libnrtype/FontInstance.cpp
STDERR:
src/libnrtype/FontInstance.cpp: In function 'Geom::Point
pointfx_to_nrpoint(const POINTFX&, double)':
src/libnrtype/FontInstance.cpp:332:35: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
src/libnrtype/FontInstance.cpp:333:33: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
##### Target : link
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5:36 a.m.
running Inkscape rev 14129 on Windows XP, I did some further testing to see
if anything had changed recently. Re-enable the USE_PANGO_WIN32 flag and
rename the otm.otm*** variables to allow it to compile correctly. Then there
are three remaining issues that need to be investigated, listed roughly in
order of severity.
1. Warnings of the type below, whose meaning I do not understand:
compile src/libnrtype/FontInstance.cpp
STDERR:
src/libnrtype/FontInstance.cpp: In function 'Geom::Point
pointfx_to_nrpoint(const POINTFX&, double)':
src/libnrtype/FontInstance.cpp:332:35: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
src/libnrtype/FontInstance.cpp:333:33: warning: dereferencing type-punned
pointer will break strict-aliasing rules [-Wstrict-aliasing]
2. If starting Inkscape with a previously saved preferences file, in which
Times New Roman had previously been set as the default, the behavior is as
follows:
- start Inkscape, click on Text tool F8
- note that the font family box at the top left says 'sans serif'
- click on the page somewhere, note that the font family box switches to
'Times New Roman' as expected
- type some text and note that it consists entirely of dots and dashes, no
text
- this behavior is not entirely reproducible, there are cases where
sometimes the text will appear as expected, but in most cases not.
3. If starting Inkscape with no preferences file present, then get a crash
with the attached error messages in DOS.
DOSerrors.txt <http://inkscape.13.x6.nabble.com/file/n4973635/DOSerrors.txt>
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5:38 a.m.
in the case of the crash, the backtrace is :
(gdb) symbol-file inkscape.dbg
Reading symbols from C:\InkscapeBZR\inkscape/inkscape.dbg...done.
(gdb) run
Starting program: C:\InkscapeBZR\inkscape/inkscape.exe
[New thread 3284.0x708]
[New thread 3284.0xd0c]
[New thread 3284.0xcf0]
Program received signal SIGSEGV, Segmentation fault.
0x00702add in Inkscape::FontLister::system_fontspec ()
(gdb) bt
#0 0x00702add in Inkscape::FontLister::system_fontspec ()
#1 0x05adc220 in ?? ()
#2 0x00000001 in ?? ()
#3 0x66532bd9 in
libglibmm-2!_ZNSs12_S_constructIPcEES0_T_S1_RKSaIcESt20forward
_iterator_tag () from C:\InkscapeBZR\inkscape\libglibmm-2.4-1.dll
(gdb) c
Continuing.
Program received signal SIGSEGV, Segmentation fault.
0x00702add in Inkscape::FontLister::system_fontspec ()
(gdb) c
Continuing.
Program exited with code 030000000005.
.................................................................
- Alvin
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8:40 a.m.
2015-05-09 14:38 GMT+02:00 alvinpenner <penner@...1856...>:
in the case of the crash, the backtrace is :
(gdb) symbol-file inkscape.dbg
Reading symbols from C:\InkscapeBZR\inkscape/inkscape.dbg...done.
(gdb) run
Starting program: C:\InkscapeBZR\inkscape/inkscape.exe
[New thread 3284.0x708]
[New thread 3284.0xd0c]
[New thread 3284.0xcf0]
Program received signal SIGSEGV, Segmentation fault.
0x00702add in Inkscape::FontLister::system_fontspec ()
(gdb) bt
#0 0x00702add in Inkscape::FontLister::system_fontspec ()
#1 0x05adc220 in ?? ()
#2 0x00000001 in ?? ()
#3 0x66532bd9 in
libglibmm-2!_ZNSs12_S_constructIPcEES0_T_S1_RKSaIcESt20forward
_iterator_tag () from C:\InkscapeBZR\inkscape\libglibmm-2.4-1.dll
(gdb) c
Continuing.
There was a possible null pointer dereference in system_fontspec,
which I fixed now, but I'm not sure it was the real culprit for this
crash.
Regards, Krzysztof.
9:33 a.m.
New subject: PathInfo Info
Whats PathInfo class?
*Is a new class for give information about a curve -or D2<SBasis>- in a
PathVector.
Whath kind of info I can get?
* Whats the subpath index of a curve
* Whats the first or last curve in current subpath
* Whats the next/previous curve index in current subpath -this maybe
changed to hasNext() and hasPrev() to remove boost::optional
* Is this subpath closed?
* Lenght of a subpath
* Number of subpaths
...
Why?
*Think using this we can reduce a lot the number, complexity and size of
pathvector loops.
How?
*I translate a PathVector to a std::vector<size_t index, bool closed>
stroring only the last curve index of each subpath and if is closed.
Why no integrate to PathVector itself?
*Why not?
10:03 a.m.
thanks, Krzysztof, that appears to have fixed the crash.
With this change, rev 14135, it is almost possible to enter text data, but
not very reliably.
I was able to enter text and use the Text and Font dialog to save Times New
Roman as the new default.
Then on the next startup I get the following behavior.
- start Inkscape with the Text and Font dialog loaded from before, and
docked.
- click on the Text tool F8, note that the dialog box says 'sans-serif' on
the top toolbar
- click on the page somewhere and note that the dialog box now says 'Times
New Roman' as expected
- type some text and note that the text does not show up on the page
anywhere, but does show up correctly in the Text and Font dialog box preview
area in the docked dialog.
Alvin
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days inactive
4401
days old
inkscape-devel@lists.inkscape.org
16 comments
7 participants
participants (7)
-
Alvin Penner -
alvinpenner -
Jabiertxo Arraiza Cenoz -
Josh Andler -
Krzysztof Kosiński -
Mark T -
Richard Hughes