[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-03-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

V Stuart Foote  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=12
   ||3792

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-26 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

BogdanB  changed:

   What|Removed |Added

 Status|RESOLVED|VERIFIED
 CC||bogdan...@gmail.com

--- Comment #36 from BogdanB  ---
Verified. Fixed.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-25 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #35 from Commit Notification 
 ---
Mark-R committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/help/+/50773c1dda4deee45812f67b2cca97626b0562f0%5E%21

tdf#121065 rebuild help

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-21 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

Mark  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #34 from Mark  ---
after many commits and amends got all smath icons changed to SVGs.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-21 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #33 from Commit Notification 
 ---
Mark-R committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/help/+/97643084f932f8e6c9a3f13d4961b00b333a8573%5E%21

tdf#121065 Replace Attributes, Brackets and Format Icons with SVGs

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-20 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #32 from Olivier Hallot  ---
Good progress...

Other pages to work 

https://help.libreoffice.org/6.2/en-US/text/smath/01/03090600.html --
Attributes
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090500.html -- Brackets
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090700.html -- Format
https://help.libreoffice.org/6.2/en-US/text/smath/01/03091600.html -- Other
Symbols

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-20 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #31 from Commit Notification 
 ---
Mark-R committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/help/+/d0d53d52d21110c32813500dc1c87942883bc72a%5E%21

tdf#121065 Replace SetOperations, Relations Symbols with SVGs

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-19 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #30 from Commit Notification 
 ---
Mark-R committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/help/+/497a5081e0ca80d9c29dfd94acd2ebb367676353%5E%21

tdf#121065 Replace Other Symbols PNG images with SVG

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-11 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #29 from Commit Notification 
 ---
Mark-R committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/help/+/30dbe5a040d7e2f057bd98827150fc60e440be65%5E%21

tdf#121065 Replace Math -- Functions PNG images with SVG Change 5

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-03 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #28 from Commit Notification 
 ---
Mark Robbinson committed a patch related to this issue.
It has been pushed to "master":

https://git.libreoffice.org/help/+/4764c4c068f4823b0d235ebfe6b969dcdce386b7%5E%21

tdf#121065 Replace Math PNG images with SVG

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-03 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

Commit Notification  changed:

   What|Removed |Added

 Whiteboard||target:6.3.0

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #27 from V Stuart Foote  ---
(In reply to Mark from comment #26)
> V Stuart Foote, in  Comment 23, step 6 you have wideslash b for a slash
> (from lower left to upper right). Is it just 'wideslash'?

No, there actually are two commands 'wideslash' and 'widebslash' -- a wide
forward slash and wide backward (leaning) slash.

Example as in attachment 147950

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #26 from Mark  ---
V Stuart Foote, in  Comment 23, step 6 you have wideslash b for a slash (from
lower left to upper right). Is it just 'wideslash'?

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

V Stuart Foote  changed:

   What|Removed |Added

 Attachment #147951|0   |1
is obsolete||

--- Comment #25 from V Stuart Foote  ---
Created attachment 147952
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147952=edit
ceiling floor examples needed in SVG

clip changed to show the correct Elements panel - Brackets

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #24 from V Stuart Foote  ---
Created attachment 147951
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147951=edit
ceiling floor examples needed in SVG

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #23 from V Stuart Foote  ---
Created attachment 147950
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147950=edit
circle operators, wide slashes, sub and sup examples needed in SVG

@Mark,

Yes those are all the correct glyphs (look to be from OpenSymbol) so the
conversion to path in SVG looks good. But for the newHelp they'd need to be
worked into examples like the other SVGs you've prepared.

We need an example to use for these entries in the Unary/Binary Operators page:

1) By typing oplus in the Commands window, you insert a circled plus
operator in your document.

2) Type ominus in the Commands window to insert a circled minus operator.

3) Type odot in the Commands window to insert a circled dot operator in
the formula.

4) Type odivide in the Commands window to insert a circled division
operator in the formula.

5) Type a wideslash b in the Commands window to produce two characters with a
slash (from lower left to upper right) between them. The characters are set
such that everything to the left of the slash is up, and everything to the
right is down. This command is also available in the context menu of the
Commands window.

6) Type a widebslash b in the Commands window to produce two characters with a
slash (from upper left to lower right) between them. The characters are set
such that everything to the left of the slash is down, and everything to the
right is up. This command is also available in the context menu of the Commands
window.

7) Type sub or sup in the Commands window to add indexes and powers to the
characters in your formula; for example, a sub 2.


And we need an example to use for each of these entries in Brackets page:

1) To insert floor brackets, type lfloorrfloor directly in the Commands
window.

2) To insert ceiling brackets, type lceilrceil directly in the Commands
window.

3) To insert scalable floor brackets, type left lfloorright rfloor directly
in the Commands window.

4) To insert scalable ceiling brackets, type left lceilright rceil directly
in the Commands window.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #22 from Mark  ---
Created attachment 147949
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147949=edit
floor and ceiling brackets 'Brackets'

V Stuart Foote also wanted floor and ceiling brackets in the Brackets
'03090500.html' page.
Here they are.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-02 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #21 from Mark  ---
Created attachment 147945
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147945=edit
proposed Circled operators SVGs version 1 for Unary Binary

proposed Circled operators SVGs version 1 for Unary Binary using Leberation
Seif

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #20 from Mark  ---
Created attachment 147929
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147929=edit
proposed Format SVGs version 1 Complete

proposed Format SVGs version 1 Complete using Leberation Seif.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #19 from V Stuart Foote  ---
(In reply to Mark from comment #18)

> circled plus 
> Circled Times U+2A0
> Circled Ring U+229A 
> 'CIRCLED MINUS' (U+2296)
> 'CIRCLED DIVISION SIGN' (U+2A38)
> Circled Asterisk U+229B
> dot in a circle
> 

The UNICODE glyphs we'd need for these as drawn from OpenSymbol are

CIRCLED PLUS -- U+2295  // ⊕
CIRCLED MINUS -- U+2296 // ⊖
CIRCLED TIMES -- U+2297 // ⊗
CIRCLED DIVISION SLASH -- U+2298 // ⊘
CIRCLED DOT OPERATOR -- U+2299 // ⊙


> and the ceiling and floor brackets for the Brackets article.
> 'RIGHT FLOOR' (U+230B)
> 'LEFT FLOOR' (U+230A)
> 'RIGHT CEILING' (U+2309)
> 'LEFT CEILING' (U+2308)
> 
> Look complete?

Those are fine...

But suggest you should compare each of the Elements panels from a Math Formula
editor session to the current "new" Help articles from comment 1 for the glyphs
you'll need (looking at both the PNG images, or when just entered as starmath). 

Then look for the glyph in OpenSymbol, using the LibreOffice Special Characters
dialog, or another chart based font utility (I prefer BableMap [1] on Windows).

That would allow you to identify most things needing an SVG for the new Help,
but suspect there will be a few that can't be done with just the font glyphs
and line work.

=-ref-=
[1] http://www.babelstone.co.uk/Software/BabelMap.html

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #18 from Mark  ---
Ok. I admit I am a novice at math symbols so had to google it and found
circled operators for the Urnary/Binary article,
circled plus 
Circled Times U+2A0
Circled Ring U+229A 
'CIRCLED MINUS' (U+2296)
'CIRCLED DIVISION SIGN' (U+2A38)
Circled Asterisk U+229B
dot in a circle

and the ceiling and floor brackets for the Brackets article.
'RIGHT FLOOR' (U+230B)
'LEFT FLOOR' (U+230A)
'RIGHT CEILING' (U+2309)
'LEFT CEILING' (U+2308)

Look complete?

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #17 from V Stuart Foote  ---
@Mark, those are looking great! 

But, in addition to the current PNG icons needing SVG replacement, there are
some newer functions that never got PNGs created that should be added in the
help pages.

For example the circled operators for the Urnary/Binary article, and the
ceiling and floor brackets for the Brackets article.

Probably better to create them now now while you're set up for it.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #16 from Mark  ---
Created attachment 147924
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147924=edit
proposed Brackets SVGs version 1 Complete

proposed Brackets SVGs version 1 Complete using Leberation Seif and 2 px
spacing.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #15 from Mark  ---
Created attachment 147923
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147923=edit
proposed Attributes SVGs version 1 Complete

proposed Attributes SVGs version 1 Complete using Leberation Seif and 2 px
spacing.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2019-01-01 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #14 from Mark  ---
Created attachment 147922
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147922=edit
proposed Unary Binary operators SVGs version 3 Complete

proposed Unary Binary operators SVGs version 3 Complete using Leberation Seif
and 2 px spacing.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #13 from Mark  ---
Ok, I choose Liberation Serif, where letters are italic and + - are normal and
I will start from beginning.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #12 from Olivier Hallot  ---
Hi Mark

Yes please lets settle that. The slant effect can be from individual bias.

Attached is a sample with 3 lines

Font in Line 1 is Liberation Serif, where letters are italic and + - are normal

Font in Line 2 is Stix, letters are STIX Two Text and +- are in STIX Two Math

Font in Line 3 is OpenSymbol, and there is no italic variant in this font.

Pick your choice !!!

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #11 from Olivier Hallot  ---
Created attachment 147890
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147890=edit
comparison of 3 options for fonts

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #10 from Mark  ---
Created attachment 147888
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147888=edit
Screen Shot a + b

I do not see the 'slant effect as if the letters are not aligned to the base
line'. see attached image.
But the big question is do I continue or fix something?

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #9 from V Stuart Foote  ---
Actually the weights are correct (as drawn from OpenSymbol). It is just that
the font needs some attention (bug 103740) and til then its behavior when
generating nodes in sm is a bit odd.

Could either use the glyph weight(s) as now or adjust them to be consistent.

But if keeping fidelity of defaults in Formula editor (which I think is
appropriate); more of a challenge is alignment of elements of the the "nodes"
and the fact that when using variables (Liberation Serif) in a node it will be
italicized while numbers are not italicized.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-29 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #8 from Olivier Hallot  ---
To be honest, if you enlarge the expression "a+b" you'll see a slant effect as
if the letters are not aligned to the base line.  Also, the thickness of the
minus sign (-) is different from the plus sign (+). Look not good to me.

I think the font Liberation serif does not render well. OpenSymbol looks better
for + and - but it does not have serif.

Any other suggestions?

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-28 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

Mark  changed:

   What|Removed |Added

 CC||mark_...@hotmail.com

--- Comment #7 from Mark  ---
Created attachment 147881
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147881=edit
proposed Unary Binary operators SVGs version 2

proposed Unary Binary operators SVGs version 2 using Leberation Seif and 2 px
spacing.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-28 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #6 from Olivier Hallot  ---
Yes it is a good start. Well crafted SVG and works perfectly in help page
(tested firefox)

discussion: does it worth to also add a representation of the placeholders as
shown in the right panel? e.g.
+ a 
+ 

or 

a + b
 + 

comments?

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-28 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #5 from V Stuart Foote  ---
Created attachment 147879
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147879=edit
clip of operators entered in Formula editor--showing Liberation Serif and
OpenSymbol default fonts and spacings

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-28 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #4 from V Stuart Foote  ---
(In reply to Mark from comment #3)
> Created attachment 147877 [details]
> first 12 SVGs for Unary/Binary operators
> help.libreoffice.org/6.2/en-US/text/smath/01/03090100.html
> 
> Hi, I created the first 12 SVGs for the icons in the
> help.libreoffice.org/6.2/en-US/text/smath/01/03090100.html file.
> 
> Can you look at them and let me know if I am doing good?

Great start and the glyph conversion to needed paths in SVG looks correct.

Unfortunately, the source font used for paths really should pick up the
Liberation Serif and OpenSymbol we use by default in the Formula editor. Also
the spacing between source glyphs should be opened up--it is too compressed.

Open this StarMath 5.0 snippet in the Formula editor to see actual rendering
with default fonts and spacing...

+a  -a  +-a  -+a newline
a + b  a cdot b  a times b   a * b newline 
a - b  {a} over {b}  a div b  a / b ```  newline


Something matching that more closely seems appropriate.

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-12-28 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #3 from Mark  ---
Created attachment 147877
  --> https://bugs.documentfoundation.org/attachment.cgi?id=147877=edit
first 12 SVGs for Unary/Binary operators
help.libreoffice.org/6.2/en-US/text/smath/01/03090100.html

Hi, I created the first 12 SVGs for the icons in the
help.libreoffice.org/6.2/en-US/text/smath/01/03090100.html file.

Can you look at them and let me know if I am doing good?

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-10-31 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

--- Comment #2 from Olivier Hallot  ---
(In reply to V Stuart Foote from comment #1)
> @Olivier, in UI we draw these from OpenSymbol. So should the font source
> before conversion to SVG curves also be OpenSymbol to match?

Not necessarily and is a good start. It seems that Liberation and STIX [3] font
families have all the math symbols as well.

The Elements pane is richer that the old Elements window, so the task deserve
an evaluation on what is the right SVG representation of the element and adjust
the Help text accordingly. For example, the Integral function has 4
representations in the Elements pane...

> 
> And it is more than just the Unary/Binary operators, looks like there are
> 184 PNG [1] that would need to be rendered as SVG for each of the smath
> NewHelp articles [2].

Yes. Actually the same applies to other math symbols category as you pointed in
[2], we can open bugs with same task for the remaining categories.

[3] https://stixfonts.org/

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[Libreoffice-bugs] [Bug 121065] [NEWHELP] Update icons/images of Math Help page on Unary/Binary operators

2018-10-30 Thread bugzilla-daemon
https://bugs.documentfoundation.org/show_bug.cgi?id=121065

V Stuart Foote  changed:

   What|Removed |Added

 Ever confirmed|0   |1
 Status|UNCONFIRMED |NEW

--- Comment #1 from V Stuart Foote  ---
@Olivier, in UI we draw these from OpenSymbol. So should the font source before
conversion to SVG curves also be OpenSymbol to match?

And it is more than just the Unary/Binary operators, looks like there are 184
PNG [1] that would need to be rendered as SVG for each of the smath NewHelp
articles [2].

=-ref-=
[1] PNG needing SVG icon
https://opengrok.libreoffice.org/search?project=helphelpimg%2Fstarmath===200

[2] The Formula Editor NewHelp articles for all of the Elements panel: 

https://help.libreoffice.org/6.2/en-US/text/smath/01/03090100.html --
Unary/Binary Operators
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090200.html -- Relations
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090800.html -- Set
Operations
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090400.html -- Functions
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090300.html -- Operators
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090600.html --
Attributes
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090500.html -- Brackets
https://help.libreoffice.org/6.2/en-US/text/smath/01/03090700.html -- Format
https://help.libreoffice.org/6.2/en-US/text/smath/01/03091600.html -- Other
Symbols

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