[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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[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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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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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 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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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
[EMAIL PROTECTED]
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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 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 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 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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