also add "GType old_type" to GimpItem::convert() so implementations
can do things depending on the type of the original item.
In gimp_layer_convert(), if the original item is also a layer, and
color management is not off (with a FIXME because this is the wrong
check), pass convert_profile = TRUE to gimp_drawable_convert_type().
There is no color profile conversion anywhere behind this, this is
just an API change commit.
For conversions that have no dither options (like RGB -> GRAY or u8 ->
u16), always preserve text editability, for conversions that have
dither options (like RGB -> INDEXED or u16 -> u8), give the user the
choice whether to enable dithering.
And along with it a lot of stuff like the drawable preview cache, the
gegl tile manager backend, temporary gimp_gegl_buffer_foo() stuff, and
the remaining bits of performance.
The projection is in an evil semi-ported state which makes it work
ok-ish for stuff like layer moving, but absolutely unbearable for
painting, there is also an off-by-one rendering glitch at some zoom
levels.
GIMP was doing evil hacks lying to GEGL about it's pixels being in a linear
color space when they are not. This causes incorrect rendering, makes gaussian
blur misbehave etc.
The legacy projection modes should be implemented using the same 2.2 gamma
formats that are correct to specify for sRGB data. (for proper color
management in higher bitdepths; icc backend babl formats should be used.)
For the old image modes correct babl formats are:
R'G'B'A u8 - 8 bit RGB with 2.2 gamma (sRGB) with linear alpha component
R'G'B' u8 - 8 bit RGB with 2.2 gamma (sRGB)
Y'A u8 - 8 bit Grayscale with 2.2 gamma with linear alpha component
Y' u8 - 8 bit Grayscale with 2.2 gamma
Y u8 - 8 bit linear data, used for masks/channels
A u8 - 8 bit linear alpha
-----------------------------------------------
RGBA float - 32bit floating point linear light RGB
RaGaBaA float - 32bit floating point linear light RGB, premultiplied alpha
to be used for processing that needs to scale by the alpha,
(blurs, resampling etc)
R'G'B'A float - 32bit floating point sRGB with gamma, to be used where
the result depends on being closer to perceptual when
processing, can be used a cheaper alternative to CIE Lab
based modes.
-----------------------------------------------
The legacy layer modes should use the formats with gamma 2.2 only for loading
and rendering legacy XCF files correctly, in the brave new world compositing
should most likely be done in linear light with "RGBA float" and even better
"RaGaBaA float" like GEGL does for porter duff and other compositing modes.
The ability to chose the legacy layer modes should probably be hidden from the
user unless an old .xcf has been opened.
- The image *must* now be passed to g_object_new() when creating items
- Remove the "image" parameter from all item configure() functions
- Set the item's ID in gimp_item_set_image() if it has none yet
instead of using a mask. Enables color tags. Set the default color
from the text object using a pango color attibute and factor out
GimpTextLayout attribute setting into a utility function.
Call cairo_surface_flush() before reading or writing a surface's
pixels directly, and use cairo_surface_mark_dirty() after writing
pixels directly, so we don't read old pixels, and our written pixels
get actually used.
My earlier change to using gimp_drawable_push_undo() here was a very
bad idea. Go back to using gimp_image_undo_push_drawable_mod(), but
make use of its new tile-copying feature so the problem that made me
do the earlier change is fixed too. See comments in the changed code.
Add gimp_markup_extract_text() which does just what it says (includes
code stolen from gmarkup.c), and use it if the layer's text object
doesn't have any text set.
- Add signal GimpText::changed() and emit it from
GObject::dispatch_properties_changed() after all notifications have
been emitted, so "changed" is emitted only once for any number of
properties set within a g_object_freeze/thaw_notify() pair.
- Connect GimpTextLayer to "changed" instead of "notify" so we aviod
lots of expensive re-rendering when multiple properties are set
at once.
- Connect GimpTextTool to "notify" *and* "changed", and move some
common code to the "changed" callback (e.g. we don't need to
re-frame the item for each set property).
2009-01-17 Michael Natterer <mitch@gimp.org>
* all files with a GPL header and all COPYING files:
Change licence to GPLv3 (and to LGPLv3 for libgimp).
Cleaned up some copyright headers and regenerated the parsers in
the ImageMap plugin.
svn path=/trunk/; revision=27913
2008-11-04 Sven Neumann <sven@gimp.org>
* app/text/Makefile.am
* app/text/gimptext-bitmap.[ch]: removed.
* app/text/gimptext-private.h
* app/text/gimptext-vectors.c
* app/text/gimptextlayer.c
* app/text/gimptextlayout-render.[ch]
* app/text/gimptextlayout.c: removed text render abstraction as
this is now sufficiently provided by PangoCairo.
svn path=/trunk/; revision=27542
2008-11-03 Michael Natterer <mitch@gimp.org>
* app/core/gimpdrawable.[ch] (gimp_drawable_set_tiles): add
"GimpImageType type" parameter because there are only a few calls
to this function which (can easily pass the current type); however
most calls to gimp_drawable_set_tiles_full() were just using the
function because of the type argument and passed in the item's
current offsets (which means peeking into the item struct or using
temp variables).
* app/core/gimpdrawable-offset.c (gimp_drawable_offset)
* app/text/gimptextlayer.c (gimp_text_layer_render)
* app/tools/gimptransformtool.c (gimp_transform_tool_doit): pass
the type to set_tiles().
* app/core/gimpchannel.c (gimp_channel_convert)
* app/core/gimpimage-convert.c (gimp_image_convert)
* app/core/gimplayer.c (gimp_layer_convert,add_alpha,flatten):
change calls to set_tiles_full() into set_tiles() because the
offset doesn't change.
svn path=/trunk/; revision=27535
