Add GimpToolItem as a common base class for toolbox items.
Derive GimpToolInfo from GimpToolItem, representing an individual
tool. The next commits add support for tool groups, represented by
an alternative subclass of GimpToolItem.
Most of the tool-info properties remain in GimpToolInfo, however,
GimpToolItem takes care of tool-item visibility.
Changed the reflection method to find the middle of the slice the
user is drawing on, and reflecting on that. This reflects the slice
in place, making it easier to rotate it to the intended location.
This fix preserves the order the dabs are drawn on the
slices, to be counterclockwise.
Fixed the brush transform, by setting the reflect output variable,
and calculating accordingly.
(cherry picked from commit ed6517f094)
When dowscaling an image (or a layer group), empty layer groups
can be discarded as a result of their new dimensions being too
small, since we're calculating their new dimensions according to
their fake 1x1 dimensions. However, these dimensions are purely an
implementation detail and shouldn't affect the result, and neither
do we show a warning for them.
Instead, simply avoid discarding empty layer groups.
(cherry picked from commit b99a2631ef)
Restrict last commit's workaround to layer groups only (which is
the only relevant case ATM), since it negatively impacts the warp
tool, which does rely on the ability to perform (accurate) partial
updates with filters to improve performance. It's only a temporary
hack anyway.
(cherry picked from commit 18870975b8)
When a drawable has filters attached, they may influence the area
affected by drawable updates. Currently, we ignore that, updating
the original region regardless. This can lead to drawable updates
not affecting the correct regions. This couldn't be triggered
until now, but since layer groups can now have a transform op
attached as a filter, updates to their sublayers -- which can
happen while the transform tool is active -- run into this problem.
Fix it for now by simply updating the full drawable region when the
drawable has filters. This is a very conservative approach -- we
don't even bother checking if we're only dealing with point
filters, as this change only influences transformed groups right
now. Ultimately, we need to rely on node invalidation to drive
updates, which takes this into account.
(cherry picked from commit 8be0e646bc)
Add a new "Preview linked items" option to the transform-grid
tools. When this option is enabled, together with composited
previews, the transform preview includes all linked layers/channels
when transforming a layer/channel. Note that paths aren't included
for now.
Ultimately, we'd probably want to cut down on the various preview
options and enable this by default, but let's make this optional
for now.
This commit also improves composited-preview clipping in some
cases.
(cherry picked from commit d24713349d)
Add a new GimpImage::linked-items-changed signal, which is emitted
whenever the set of linked items in an image changes.
(cherry picked from commit 7d6737fe9a)
In gimp_tile_handler_validate_buffer_set_extent(), suspend tile
validation while calling gimp_gegl_buffer_set_extent(), so that if
the call triggers clearing of partial tiles, these tiles don't get
unnecessarily validated.
(cherry picked from commit fcc1c3d380)
Using any clipping mode other than ADJUST is currently broken for
layer groups, since each layer in the group is clipped
individually, instead of clipping being applied to the group as a
whole. Ultimately, we should fix that, but for now, simply disable
clipping for layer groups, by overriding GimpItem::get_clip() to
always return ADJUST.
(cherry picked from commit 203bc9d893)
Don't disable color-to-alpha for grayscale drawable, since the
operation is applicable to grayscale images (in particular, it
doesn't add color where there was none), and since we no longer
distinguish between layers and channels according to the drawable
format when updating the filters actions.
... (used to add one automatically)
In GimpFilterTool and gimp_drawable_apply_operation(), use
gimp_drawable_filter_set_add_alpha() to add an alpha channel when
applying an operation that specifies "needs-alpha" to a drawable
that can have alpha.
Don't disable gegl:color-to-alpha (which has "needs-alpha") when
the drawable doesn't have an alpha channel, if one can be added.
In GimpFilterTool, move all the drawable-filter option setup to a
new gimp_filter_tool_update_filter() function, and call it whenever
the drawable-filter's options need to be updated. This avoids
duplicating logic in various places.
Add a new GimpDrawable::supports_alpha() virtual function, and a
corresponding gimp_drawable_supports_alpha() function, which
determine if the drawable supports an alpha channel. The default
implementation returns FALSE, and GimpLayer overrides it to return
TRUE.
The crop-to-result and crop-with-aspect transform-boundary
algorithms seem to consistently fail in some cases, and spit out a
warning, which can be too verbose if it triggers the debug dialog.
Demote the warning to a g_printerr(), with an eye to just dropping
these algorithms altogether.
(cherry picked from commit 0103fe2c19)
Add a "Synchronous preview" option to the transform-grid tools,
which renders the composited preview synchronously. This reduces
the lag for painting the preview, but can harm responsiveness for
bigger images, where rendering the preview is slow.
This is mostly an experimental option for now; it will become more
interesting once we have mipmap rendering.
(cherry picked from commit 52cd27f0d3)
In gimp_tile_handler_validate_validate_tile(), when validating a
partial tile with negative coordinates, make sure to adjust the
result of the modulo when calculating the tile-realtive coordinates
so that they're non-negative, to fix the tile-data pointer offset.
(cherry picked from commit d39822bcd7)
Add a "Composited preview" option to all transform-grid tools,
which displays the transform preview as part of the image
composition (i.e., as it would actually look when applying the
transformation, keeping the layer at the right position in the
stack, and with the right layer mode), instead of using an overlay.
This option is off by default, since it's generally slower to
render than an overlay, due to the lack of mipmap rendering. We're
also still using an overlay when transfoming a selection, and not a
whole layer.
In GimpTransformGridTool, when transforming a drawable, freeze the
drawable's preview while the tool is active, so that its ancestors'
previews don't get unnecessarily updated in response to hiding it.
In GimpDrawableFilter, add a
gimp_drawable_filter_set_override_constraints() function, which
allows bypassing certain constraints applied to the filter, based
on the drawable type and state.
Yes, this is a bit of a hack, added mostly as a quick-and-dirty way
to allow us to add filters to layer masks that affect their
bounding box, in preparation for composited transform previews.
Add an optional "format" parameter to gimp_drawable_merge_filter(),
which specifies the format to use for the output, possibly changing
the drawable's format.
In GimpDrawableFilter, add a gimp_drawable_filter_set_add_alpha()
function, which allows the filter to add an alpha channel to the
drawable when committed (by passing an appropriate format to
gimp_drawable_merge_filter()).
Change the default implementation of
GimpDrawable::get_bounding_box() to return the drawable source
node's bounding box, instead of the drawable's item bounds. This
allows filters to affect the size of all drawables, including, in
particular, layer masks.
Change GimpLayer's implementation of get_bounding_box() to return
the intersection of the layer's own bounding box, and the layer
mask's bounding box (if it has one), and update the layer's
bounding box when the mask is enabled/disabled, or when its
bounding box changes.
... by synchronously flushing the group's projection. This is
necessary for pass-through groups, since their projection is
normally flushed asynchronously.
(cherry picked from commit 7f84f10154)
In gimp:buffer-source-validate, invalidate the node in response to
GimpTileHandlerValidate::invalidated, added in the previous commit,
in addition to GeglBuffer::changed.
(cherry picked from commit bb8ee0e686)
Add a new GimpTileHandlerValidate::invalidated signal, which is
emitted when a region of the buffer is invalidated. This would
allow us to properly invalidate the graph in response; this
normally happens in response to GeglBuffer::changed, but this
signal is not emitted when a region is merely invalidated.
(cherry picked from commit 3ea391602e)
