Calling FcConfigSetCurrent() with NULL is just broken, it almost
immediately dereferences the passed pointer. Apparently this line
is executed seldom, otherwise we'd see way more crashes in this place.
Just use FcInitReinitialize() which exists for the very purpose of
reinitializing the fontconfig library.
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.
Fix the places that passed the color by either temp_buf_data_clear()
or memset(), and assign x and y manually, they are going to vanish
completely soon.
Also, make group layer type conversion much less hackish by using the
same kind of temporary states that are used for reallocating its
projection on size change.
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.
gimp_font_util_pango_font_description_to_string() isn't needed any
longer as this was fixed long ago in pango itself (and we require a much
higher version anyway). See Pango bug #166540 (at GNOME Bugzilla).
gimp_text_set_property(): Deserialize the compat "hinting" property
only if the new "hint-style" one has its default value, so we don't
overwrite a serialized new "hint-style" with a compat "hinting" that
is only there for old GIMP versions.
instead of duplicating them. Multiply by PANGO_SCALE in the callers
and ceil() fixed text box pixel extents so we don't cut off stuff by
fractions of a pixel.
- 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
Michael Natterer