Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-10 Thread Leonard Rosenthol

At 12:41 PM 2/8/2002 +0100, Sven Neumann wrote:
>Leonard Rosenthol <[EMAIL PROTECTED]> writes:
>
> >   Will it still use FreeType for the actual rendering of the
> > glyphs?  And if not, then what?
>
>yes, it will use Freetype2 but somewhat hidden behind a Pango layer.

 Excellent!!


>The advantage of using Pango on top of Freetype2 is that it takes care
>of all the ugly details of glyph positioning and shaping.

 Yup, Pango is great stuff and definitely the way to go.  That 
should make for some VERY NICE text support in future Gimps.Now you'll 
just have to support PSD Text Layers ;).


LDR

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[Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-10 Thread Sven Neumann

Hi,

Dov Grobgeld <[EMAIL PROTECTED]> writes:

> Hebrew with vowel positioning has also been ported by me to ft2.
> 
> See
> http://imagic.weizmann.ac.il/~dov/Hebrew/pango-hebrew.html
> http://imagic.weizmann.ac.il/~dov/freesw/paps
> 
> for some screen shots and utilities.

oh, I wasn't aware of that. Most probably I missed the hebrew-ft2
module because it is not listed in Pango's configure.in. Perhaps
you could correct that.


Salut, Sven
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[Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-10 Thread Dov Grobgeld

Hebrew with vowel positioning has also been ported by me to ft2.

See
http://imagic.weizmann.ac.il/~dov/Hebrew/pango-hebrew.html
http://imagic.weizmann.ac.il/~dov/freesw/paps

for some screen shots and utilities.

Regards,
Dov

On Sun, Feb 10, 2002 at 07:22:09PM +0100, Sven Neumann wrote:
> Hi,
> 
> Dov Grobgeld <[EMAIL PROTECTED]> writes:
> 
> > > yes, it will use Freetype2 but somewhat hidden behind a Pango layer.
> > > The advantage of using Pango on top of Freetype2 is that it takes care
> > > of all the ugly details of glyph positioning and shaping.
> > 
> > And you get all the beautiful rendering of lots of exotic scripts!
> > Imagine, now you will be able to render your APL programs in Gimp
> > with comments in Chinese and Runes intermixed. 8-)
> > 
> > This is really the way to go! Keep it up.
> 
> uhm, yes, that's the plan. The reality is however that PangoFT2 at the
> moment has the basic shaper which works well for lots of scripts but
> not so well for the more exotic ones. Then there's an arabic shaper
> that's been added in the latest release and that's it. If we want all
> the exotic scripts to render correctly, someone needs to port more
> PangoXft shaper modules to PangoFT2. Fortunately the porting is pretty
> straightforward.
> 
> 
> Salut, Sven
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[Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-10 Thread Sven Neumann

Hi,

Dov Grobgeld <[EMAIL PROTECTED]> writes:

> > yes, it will use Freetype2 but somewhat hidden behind a Pango layer.
> > The advantage of using Pango on top of Freetype2 is that it takes care
> > of all the ugly details of glyph positioning and shaping.
> 
> And you get all the beautiful rendering of lots of exotic scripts!
> Imagine, now you will be able to render your APL programs in Gimp
> with comments in Chinese and Runes intermixed. 8-)
> 
> This is really the way to go! Keep it up.

uhm, yes, that's the plan. The reality is however that PangoFT2 at the
moment has the basic shaper which works well for lots of scripts but
not so well for the more exotic ones. Then there's an arabic shaper
that's been added in the latest release and that's it. If we want all
the exotic scripts to render correctly, someone needs to port more
PangoXft shaper modules to PangoFT2. Fortunately the porting is pretty
straightforward.


Salut, Sven
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-08 Thread Branko Collin

On 8 Feb 2002, at 22:02, Andrew Duhan wrote:
> On Thu, 2002-02-07 at 13:37, Sven Neumann wrote:
> 
> > Let's see what we can do about the path tool. Simon started to hack
> > on this, but I have no idea how far he's come. On the other hand we
> > should probably decide on the feature-set for 1.4 soon and I don't
> > think we should try to add sophisticated stuff like vector layers to
> > 1.4 since it would probably delay the release too much.

> A few of the most useful (hopefully
> non-sophisticated, 1.4-bound) changes I can see are: 

[...]
> and optionally,
> *)selection-to-path results in fewer control points 

As to this latter wish: there is a little advertised option in GIMP 
with which you can control many aspects of the selection to path 
conversion.

Go to the Paths dialogs, and Shift-Click on the Selection to Path 
button. You will get a dialog with many sliders, of which I 
understand none. Experiment.

HTH,

-- 
branko collin
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-08 Thread Andrew Duhan

On Thu, 2002-02-07 at 13:37, Sven Neumann wrote:
 
> Let's see what we can do about the path tool. Simon started to hack on
> this, but I have no idea how far he's come. On the other hand we
> should probably decide on the feature-set for 1.4 soon and I don't
> think we should try to add sophisticated stuff like vector layers to
> 1.4 since it would probably delay the release too much.


I usually only lurk, but I have to chime in here -
I use the gimp daily in my work, as well as nightly in my play.  Almost
100% of my work makes heavy use of the path tool. (gimpforce.org, user
aduhan)  While paths are pretty functional now, they could use a lot of
work.  A few of the most useful (hopefully non-sophisticated, 1.4-bound)
changes I can see are: 

*)paths are resized with image resize  
*)UNDO works for paths too

and optionally,
*)selection-to-path results in fewer control points 

I just wanted the developers to know that people depend on gimp's path
tool, and really appreciate its existance :)

--Andrew Duhan

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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-08 Thread Sven Neumann

Hi,

"Adam D. Moss" <[EMAIL PROTECTED]> writes:

> I think it'd still be a fair comparison if you closed the
> layers dialog -- an image with 1000s of layers is probably
> not expected to be managable sanely with what amounts to
> a list paradigm.

I decided to turn off layer previews when the layer count reached 5000
and was able to go up to 1 layers with the layers-dialog temporarily
being closed. Then I lost interest and stopped the experiment...


Salut, Sven

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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-08 Thread Sven Neumann

Hi,

Leonard Rosenthol <[EMAIL PROTECTED]> writes:

> At 8:37 PM +0100 2/7/02, Sven Neumann wrote:
> >I hope do be able to complete the new text tool anytime soon and it
> >is supposed to give you even better rendering than gimp-freetype
> >combined with the features of GDynText.
> 
>   Will it still use FreeType for the actual rendering of the
> glyphs?  And if not, then what?

yes, it will use Freetype2 but somewhat hidden behind a Pango layer.
The advantage of using Pango on top of Freetype2 is that it takes care
of all the ugly details of glyph positioning and shaping.


Salut, Sven
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-07 Thread Adam D. Moss

Sven Neumann wrote:
> Script-Fu is still adding layers while I write this and the count is
> approaching 4000 layers of 16x16 pixels here. At the moment gimp uses
> about 330MB of virtual memory (256MB physical RAM).  The script has
> (gimp-displays-flush) after (gimp-image-add-layer ...), so the layers
> dialog is fighting to keep up with the amount of layers

You could try duplicating an existing layer multiple times
instead of creating new ones, so the copy-on-write code saves
you memory.  If your layer is 16x16 though, I imagine that
the per-layer thumbs are taking more memory than the layer
data!

I think it'd still be a fair comparison if you closed the
layers dialog -- an image with 1000s of layers is probably
not expected to be managable sanely with what amounts to
a list paradigm.

-- 
Adam D. Moss. ,,^^[EMAIL PROTECTED]http://www.foxbox.org/   co:3

But not us (no never) no not us (no never)
We are far too young and clever
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-07 Thread Leonard Rosenthol

At 8:37 PM +0100 2/7/02, Sven Neumann wrote:
>I hope do be able to complete the new text tool anytime soon and it
>is supposed to give you even better rendering than gimp-freetype
>combined with the features of GDynText.

Will it still use FreeType for the actual rendering of the 
glyphs?  And if not, then what?


Leonard

-- 
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-07 Thread Sven Neumann

Hi,

"Branko Collin" <[EMAIL PROTECTED]> writes:

> On 7 Feb 2002, at 9:29, Jon Winters wrote:
> 
> > Went to an Adobe conference yesterday and they claim photoshop 6 has
> > been tested with images up to 8000 layers.  They said it can probably
> > handle more but that is where they stopped testing.  How many layers
> > are we supporting?  (heh... memory is cheap!)
> 
> My GIMP crashed somewhere between the 300th and 400th 16x16 layer. I 
> could not see exactly which layer, because I kept stabbing the mouse 
> button quickly and after the 100th layer or so, the refresh of the 
> Layers dialog could not keep up with me.

Script-Fu is still adding layers while I write this and the count is
approaching 4000 layers of 16x16 pixels here. At the moment gimp uses
about 330MB of virtual memory (256MB physical RAM).  The script has
(gimp-displays-flush) after (gimp-image-add-layer ...), so the layers
dialog is fighting to keep up with the amount of layers and the
scrollbar already shows that GTK+-1.2 has a problem with X coordinates
being limited to 16bit. Let's see how far I can get, but I guess 8000
layers shouldn't be a problem with enough RAM and if you bring enough
time.


Salut, Sven
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-07 Thread Sven Neumann

Hi,

Raphael Quinet <[EMAIL PROTECTED]> writes:

> We need a big merge and re-write of GFig, GDynText, the FreeType
> plug-in, the Path tool and the layers dialog in order to make all of
> this possible.  This is not a trivial task.  I am not opposed to it
> and I think that it would be a very good idea.  Unfortunately, nothing
> will happen until someone has the time (and skills) to implement these
> nice features.

I hope do be able to complete the new text tool anytime soon and it
is supposed to give you even better rendering than gimp-freetype
combined with the features of GDynText. Development on this tool 
has stalled a little but I'm planning to take up work on it soon.

Let's see what we can do about the path tool. Simon started to hack on
this, but I have no idea how far he's come. On the other hand we
should probably decide on the feature-set for 1.4 soon and I don't
think we should try to add sophisticated stuff like vector layers to
1.4 since it would probably delay the release too much.


Salut, Sven
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-07 Thread Branko Collin

On 7 Feb 2002, at 9:29, Jon Winters wrote:

> Went to an Adobe conference yesterday and they claim photoshop 6 has
> been tested with images up to 8000 layers.  They said it can probably
> handle more but that is where they stopped testing.  How many layers
> are we supporting?  (heh... memory is cheap!)

My GIMP crashed somewhere between the 300th and 400th 16x16 layer. I 
could not see exactly which layer, because I kept stabbing the mouse 
button quickly and after the 100th layer or so, the refresh of the 
Layers dialog could not keep up with me.

-- 
branko collin
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Re: [Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-07 Thread Raphael Quinet

On Thu, 07 Feb 2002, Jon Winters wrote:
 > Went to an Adobe conference yesterday and they claim photoshop 6 has been
 > tested with images up to 8000 layers.  They said it can probably handle
 > more but that is where they stopped testing.  How many layers are we
 > supporting?  (heh... memory is cheap!)

Is there a limit?  Does anybody have a machine with more than 4 GB of
RAM to do some serious testing?  ;-)

 > The other biggie was limited support for _vector_
 > stuff.  Mainly type but you are also able to import layers from
 > Illustrator files.   It would be kinda cool to pull in gfig elements and
 > keep them as vector layers when the image is saved as .xcf.gz
 > The vector layers would be rasterized as part of export to some other
 > image format.
[...]
 > I've seen requests for some of this functionality before and I've also
 > seen gimp developers belly ache about it. I know Gimp is a bitmap
 > program... I also know Photoshop _used_to_be_ a bitmap program and now
 > their users have some really nice tools that I would like to see in the
 > Gimp some day.

There are several wishlist items related to the support for vectors.
Start with this one:
   http://bugzilla.gnome.org/show_bug.cgi?id=68915
...and then follow the links to bug #61786, #6893 and #70499.

Some time ago, I also thought that the GIMP was a bitmap program and
should not mess with vectors, except for selections (paths).  But now
I have changed my mind.  If you look at the commercial programs on the
market today, most of the major paint programs have integrated more
and mode vector functions: JASC's PaintShopPro, Adobe PhotoShop, the
Corel suite, and probably others.

We need a big merge and re-write of GFig, GDynText, the FreeType
plug-in, the Path tool and the layers dialog in order to make all of
this possible.  This is not a trivial task.  I am not opposed to it
and I think that it would be a very good idea.  Unfortunately, nothing
will happen until someone has the time (and skills) to implement these
nice features.

 >
 > Until then... Keep up the Good Work!  GO WILBUR!

GO WILBER!  Wilber, not Wilbur!  ;-)

-Raphael

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[Gimp-developer] Re: [Gimp-user] Opening Photoshop Files

2002-02-07 Thread Jon Winters


Went to an Adobe conference yesterday and they claim photoshop 6 has been
tested with images up to 8000 layers.  They said it can probably handle
more but that is where they stopped testing.  How many layers are we
supporting?  (heh... memory is cheap!)

There were also some very interesting new features in Photoshop 6
including a tool called the "extractor" that can do (good) clipping paths
very very quickly.  The demo was impressive but the image they started
with was probably hand picked so it worked perfectly with the extractor
every time.

The other biggie was limited support for _vector_
stuff.  Mainly type but you are also able to import layers from
Illustrator files.   It would be kinda cool to pull in gfig elements and
keep them as vector layers when the image is saved as .xcf.gz
The vector layers would be rasterized as part of export to some other
image format.

Another very interesting tool was the ability to export an image to SWF
where each layer becomes a frame in the flash animation.  The
demonstration used  something sorta like a gimp hose brush to spray some
leaves in an "S" pattern.  Then they did something to automatically break
each leaf the brush sprayed into its own layer.  When exported to .swf it
generated the file along with a web page containing the HTML to embed the
movie.  When you played it the leaf moved across the movie following the S
pattern.  (simmilar to how we do .gif anims but this was going to .swf)

I've seen requests for some of this functionality before and I've also
seen gimp developers belly ache about it. I know Gimp is a bitmap
program... I also know Photoshop _used_to_be_ a bitmap program and now
their users have some really nice tools that I would like to see in the
Gimp some day.

I would code this stuff myself if I knew how...   I'm learning... Some day
I'll check something in.

Until then... Keep up the Good Work!  GO WILBUR!
-- 
Jon Winters  O   0   0   0   0   0   0
"History Will Prove us right" 
http://www.obscurasite.com/jon/ / \ / \ / \ / \ / \ / \ / \

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