Largely based on a patch by Ell, with the enum type renamed and
various small changes. Adds another axis of configurability to the
existing layer mode madness, and is WIP too.
from gimp_applicator_new() and gimp_gegl_mode_node_set_mode().
Compositing doesn't depend on the layer format any longer, only on the
layer mode. Painting with "use applicator" unchecked is still broken
in some cases and needs more fixing.
with proper value names. Mark most values as _BROKEN because they use
weird alpha compositing that has to die. Move GimpLayerModeEffects to
libgimpbase, deprecate it, and set it as compat enum for GimpLayerMode.
Add the GimpLayerModeEffects values as compat constants to script-fu
and pygimp.
Add "gboolean use_cache" to gimp_applicator_new(). Don't use a cache
anywhere but in GimpImageMap because it incrementally fills that cache
via the projection update. In gimp_drawable_merge_filter(), get that
cache and pass it to gimp_gegl_apply_cached_operation() which then
avoids doing the work twice for the already cached results. Win!
Add "linear" parameter to GimpApplicator. Pass the drawable's "linear"
to the applicator, and to all calls to gimp_gegl_mode_node_set_mode(),
instead of hardcoding FALSE everywhere.
instead, simply use rgb values and rely on the subsequent
gegl_buffer_set_color() to do the right thing because the buffer know
their indexed format now.
because it would require really evil hacks to honor these properties
in the gegl projection if they were on the mask, and because they
actually belong to the layer.
Add "gboolean merge_active_group" to gimp_image_merge_visible_layers()
and pass FALSE from the PDB wrapper so plug-in invoked layer merging
always acts on the toplevel container as it did in 2.6. Do the same
when opening an image as layer.
Also, added a "Merge within active group only" toggle to the merge
layers dialog and pass it down to the core, but default to TRUE here
so.
Description of undo actions should be marked as action descriptions,
and not as commands. This is required for translation for some
language (like Hebrew) that require a different grammatical tense for
describing actions
(gimp_image_merge_visible_layers): merge the visible layers in the
active layer's group. We can't possibly merge across different groups
anyway because there is no logical place to add the merged layer.
Moreoever, this change makes the group behave more like a sub-image,
which is our metaphor anyway.
There is no reason to disallow this, the merged-down group layer will
simply disappear from the image just as a normal layer, and its
projection composited with the layer below.
