static gboolean
gimp_drawable_edit_can_fill_direct (GimpDrawable *drawable,
GimpFillOptions *options)
{
GimpImage *image;
GimpContext *context;
gdouble opacity;
GimpComponentMask affect;
GimpLayerMode mode;
GimpLayerCompositeMode composite_mode;
GimpLayerCompositeRegion composite_region;
image = gimp_item_get_image (GIMP_ITEM (drawable));
context = GIMP_CONTEXT (options);
opacity = gimp_context_get_opacity (context);
affect = gimp_drawable_get_active_mask (drawable);
mode = gimp_context_get_paint_mode (context);
composite_mode = gimp_layer_mode_get_paint_composite_mode (mode);
composite_region = gimp_layer_mode_get_included_region (mode, composite_mode);
if (gimp_channel_is_empty (gimp_image_get_mask (image)) &&
opacity == GIMP_OPACITY_OPAQUE &&
affect == GIMP_COMPONENT_MASK_ALL &&
gimp_layer_mode_is_trivial (mode) &&
(! gimp_layer_mode_is_subtractive (mode) ^
! (composite_region & GIMP_LAYER_COMPOSITE_REGION_SOURCE)))
{
switch (gimp_fill_options_get_style (options))
{
case GIMP_FILL_STYLE_SOLID:
return TRUE;
case GIMP_FILL_STYLE_PATTERN:
{
GimpPattern *pattern;
GimpTempBuf *mask;
const Babl *format;
pattern = gimp_context_get_pattern (context);
mask = gimp_pattern_get_mask (pattern);
format = gimp_temp_buf_get_format (mask);
return ! babl_format_has_alpha (format);
}
}
}
return FALSE;
}
void
gimp_paint_core_paste (GimpPaintCore *core,
const GimpTempBuf *paint_mask,
gint paint_mask_offset_x,
gint paint_mask_offset_y,
GimpDrawable *drawable,
gdouble paint_opacity,
gdouble image_opacity,
GimpLayerModeEffects paint_mode,
GimpPaintApplicationMode mode)
{
gint width = gegl_buffer_get_width (core->paint_buffer);
gint height = gegl_buffer_get_height (core->paint_buffer);
if (core->applicator)
{
/* If the mode is CONSTANT:
* combine the canvas buf, the paint mask to the canvas buffer
*/
if (mode == GIMP_PAINT_CONSTANT)
{
/* Some tools (ink) paint the mask to paint_core->canvas_buffer
* directly. Don't need to copy it in this case.
*/
if (paint_mask != NULL)
{
GeglBuffer *paint_mask_buffer =
gimp_temp_buf_create_buffer ((GimpTempBuf *) paint_mask);
gimp_gegl_combine_mask_weird (paint_mask_buffer,
GEGL_RECTANGLE (paint_mask_offset_x,
paint_mask_offset_y,
width, height),
core->canvas_buffer,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height),
paint_opacity,
GIMP_IS_AIRBRUSH (core));
g_object_unref (paint_mask_buffer);
}
gimp_gegl_apply_mask (core->canvas_buffer,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height),
core->paint_buffer,
GEGL_RECTANGLE (0, 0, width, height),
1.0);
gimp_applicator_set_src_buffer (core->applicator,
core->undo_buffer);
}
/* Otherwise:
* combine the canvas buf and the paint mask to the canvas buf
*/
else
{
GeglBuffer *paint_mask_buffer =
gimp_temp_buf_create_buffer ((GimpTempBuf *) paint_mask);
gimp_gegl_apply_mask (paint_mask_buffer,
GEGL_RECTANGLE (paint_mask_offset_x,
paint_mask_offset_y,
width, height),
core->paint_buffer,
GEGL_RECTANGLE (0, 0, width, height),
paint_opacity);
g_object_unref (paint_mask_buffer);
gimp_applicator_set_src_buffer (core->applicator,
gimp_drawable_get_buffer (drawable));
}
gimp_applicator_set_apply_buffer (core->applicator,
core->paint_buffer);
gimp_applicator_set_apply_offset (core->applicator,
core->paint_buffer_x,
core->paint_buffer_y);
gimp_applicator_set_mode (core->applicator,
image_opacity, paint_mode);
/* apply the paint area to the image */
gimp_applicator_blit (core->applicator,
GEGL_RECTANGLE (core->paint_buffer_x,
core->paint_buffer_y,
width, height));
}
else
{
GimpTempBuf *paint_buf = gimp_gegl_buffer_get_temp_buf (core->paint_buffer);
GeglBuffer *dest_buffer;
GeglBuffer *src_buffer;
if (! paint_buf)
return;
if (core->comp_buffer)
dest_buffer = core->comp_buffer;
else
dest_buffer = gimp_drawable_get_buffer (drawable);
if (mode == GIMP_PAINT_CONSTANT)
{
/* This step is skipped by the ink tool, which writes
* directly to canvas_buffer
*/
if (paint_mask != NULL)
{
/* Mix paint mask and canvas_buffer */
combine_paint_mask_to_canvas_mask (paint_mask,
paint_mask_offset_x,
paint_mask_offset_y,
core->canvas_buffer,
core->paint_buffer_x,
core->paint_buffer_y,
paint_opacity,
GIMP_IS_AIRBRUSH (core));
}
/* Write canvas_buffer to paint_buf */
canvas_buffer_to_paint_buf_alpha (paint_buf,
core->canvas_buffer,
core->paint_buffer_x,
core->paint_buffer_y);
/* undo buf -> paint_buf -> dest_buffer */
src_buffer = core->undo_buffer;
}
else
{
g_return_if_fail (paint_mask);
/* Write paint_mask to paint_buf, does not modify canvas_buffer */
paint_mask_to_paint_buffer (paint_mask,
paint_mask_offset_x,
paint_mask_offset_y,
paint_buf,
paint_opacity);
/* dest_buffer -> paint_buf -> dest_buffer */
src_buffer = dest_buffer;
}
do_layer_blend (src_buffer,
dest_buffer,
paint_buf,
core->mask_buffer,
image_opacity,
core->paint_buffer_x,
core->paint_buffer_y,
core->mask_x_offset,
core->mask_y_offset,
core->linear_mode,
paint_mode);
if (core->comp_buffer)
{
mask_components_onto (src_buffer,
core->comp_buffer,
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE(core->paint_buffer_x,
core->paint_buffer_y,
width,
height),
gimp_drawable_get_active_mask (drawable),
core->linear_mode);
}
}
/* Update the undo extents */
core->x1 = MIN (core->x1, core->paint_buffer_x);
core->y1 = MIN (core->y1, core->paint_buffer_y);
core->x2 = MAX (core->x2, core->paint_buffer_x + width);
core->y2 = MAX (core->y2, core->paint_buffer_y + height);
/* Update the drawable */
gimp_drawable_update (drawable,
core->paint_buffer_x,
core->paint_buffer_y,
width, height);
}
gboolean
gimp_paint_core_start (GimpPaintCore *core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
GError **error)
{
GimpImage *image;
GimpItem *item;
GimpChannel *mask;
g_return_val_if_fail (GIMP_IS_PAINT_CORE (core), FALSE);
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), FALSE);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), FALSE);
g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), FALSE);
g_return_val_if_fail (coords != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
item = GIMP_ITEM (drawable);
image = gimp_item_get_image (item);
if (core->stroke_buffer)
{
g_array_free (core->stroke_buffer, TRUE);
core->stroke_buffer = NULL;
}
core->stroke_buffer = g_array_sized_new (TRUE, TRUE,
sizeof (GimpCoords),
STROKE_BUFFER_INIT_SIZE);
/* remember the last stroke's endpoint for later undo */
core->start_coords = core->last_coords;
core->cur_coords = *coords;
if (! GIMP_PAINT_CORE_GET_CLASS (core)->start (core, drawable,
paint_options,
coords, error))
{
return FALSE;
}
/* Allocate the undo structure */
if (core->undo_buffer)
g_object_unref (core->undo_buffer);
core->undo_buffer = gegl_buffer_dup (gimp_drawable_get_buffer (drawable));
/* Allocate the saved proj structure */
if (core->saved_proj_buffer)
{
g_object_unref (core->saved_proj_buffer);
core->saved_proj_buffer = NULL;
}
if (core->use_saved_proj)
{
GeglBuffer *buffer = gimp_pickable_get_buffer (GIMP_PICKABLE (image));
core->saved_proj_buffer = gegl_buffer_dup (buffer);
}
/* Allocate the canvas blocks structure */
if (core->canvas_buffer)
g_object_unref (core->canvas_buffer);
core->canvas_buffer =
gegl_buffer_new (GEGL_RECTANGLE (0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item)),
babl_format ("Y float"));
/* Get the initial undo extents */
core->x1 = core->x2 = core->cur_coords.x;
core->y1 = core->y2 = core->cur_coords.y;
core->last_paint.x = -1e6;
core->last_paint.y = -1e6;
mask = gimp_image_get_mask (image);
/* don't apply the mask to itself and don't apply an empty mask */
if (GIMP_DRAWABLE (mask) != drawable && ! gimp_channel_is_empty (mask))
{
GeglBuffer *mask_buffer;
gint offset_x;
gint offset_y;
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
gimp_item_get_offset (item, &offset_x, &offset_y);
core->mask_buffer = g_object_ref (mask_buffer);
core->mask_x_offset = -offset_x;
core->mask_y_offset = -offset_y;
}
else
{
core->mask_buffer = NULL;
}
core->linear_mode = gimp_drawable_get_linear (drawable);
if (paint_options->use_applicator)
{
core->applicator = gimp_applicator_new (NULL, core->linear_mode);
if (core->mask_buffer)
{
gimp_applicator_set_mask_buffer (core->applicator,
core->mask_buffer);
gimp_applicator_set_mask_offset (core->applicator,
core->mask_x_offset,
core->mask_y_offset);
}
gimp_applicator_set_affect (core->applicator,
gimp_drawable_get_active_mask (drawable));
gimp_applicator_set_dest_buffer (core->applicator,
gimp_drawable_get_buffer (drawable));
}
else
{
if (core->comp_buffer)
{
g_object_unref (core->comp_buffer);
core->comp_buffer = NULL;
}
/* Allocate the scratch buffer if there's a component mask */
if (gimp_drawable_get_active_mask (drawable) != GIMP_COMPONENT_ALL)
{
const Babl *format;
if (core->linear_mode)
format = babl_format ("RGBA float");
else
format = babl_format ("R'G'B'A float");
core->comp_buffer =
gegl_buffer_new (GEGL_RECTANGLE (0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item)),
format);
}
}
/* Freeze the drawable preview so that it isn't constantly updated. */
gimp_viewable_preview_freeze (GIMP_VIEWABLE (drawable));
return TRUE;
}
gboolean
gimp_paint_core_start (GimpPaintCore *core,
GimpDrawable *drawable,
GimpPaintOptions *paint_options,
const GimpCoords *coords,
GError **error)
{
GimpItem *item;
g_return_val_if_fail (GIMP_IS_PAINT_CORE (core), FALSE);
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), FALSE);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), FALSE);
g_return_val_if_fail (GIMP_IS_PAINT_OPTIONS (paint_options), FALSE);
g_return_val_if_fail (coords != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
item = GIMP_ITEM (drawable);
if (core->stroke_buffer)
{
g_array_free (core->stroke_buffer, TRUE);
core->stroke_buffer = NULL;
}
core->stroke_buffer = g_array_sized_new (TRUE, TRUE,
sizeof (GimpCoords),
STROKE_BUFFER_INIT_SIZE);
core->cur_coords = *coords;
if (! GIMP_PAINT_CORE_GET_CLASS (core)->start (core, drawable,
paint_options,
coords, error))
{
return FALSE;
}
/* Allocate the undo structure */
if (core->undo_buffer)
g_object_unref (core->undo_buffer);
core->undo_buffer = gegl_buffer_dup (gimp_drawable_get_buffer (drawable));
/* Allocate the saved proj structure */
if (core->saved_proj_buffer)
{
g_object_unref (core->saved_proj_buffer);
core->saved_proj_buffer = NULL;
}
if (core->use_saved_proj)
{
GimpImage *image = gimp_item_get_image (item);
GimpPickable *pickable = GIMP_PICKABLE (gimp_image_get_projection (image));
GeglBuffer *buffer = gimp_pickable_get_buffer (pickable);
core->saved_proj_buffer = gegl_buffer_dup (buffer);
}
/* Allocate the canvas blocks structure */
if (core->canvas_buffer)
g_object_unref (core->canvas_buffer);
core->canvas_buffer =
gegl_buffer_new (GEGL_RECTANGLE (0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item)),
babl_format ("Y u8"));
/* Get the initial undo extents */
core->x1 = core->x2 = core->cur_coords.x;
core->y1 = core->y2 = core->cur_coords.y;
core->last_paint.x = -1e6;
core->last_paint.y = -1e6;
{
GimpImage *image;
GimpChannel *mask;
GeglBuffer *mask_buffer = NULL;
gint offset_x = 0;
gint offset_y = 0;
image = gimp_item_get_image (item);
mask = gimp_image_get_mask (image);
/* don't apply the mask to itself and don't apply an empty mask */
if (GIMP_DRAWABLE (mask) == drawable || gimp_channel_is_empty (mask))
mask = NULL;
if (mask)
{
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
gimp_item_get_offset (item, &offset_x, &offset_y);
}
core->applicator =
gimp_applicator_new (gimp_drawable_get_buffer (drawable),
gimp_drawable_get_active_mask (drawable),
mask_buffer,
-offset_x, -offset_y);
}
/* Freeze the drawable preview so that it isn't constantly updated. */
gimp_viewable_preview_freeze (GIMP_VIEWABLE (drawable));
return TRUE;
}
void
gimp_drawable_real_apply_buffer (GimpDrawable *drawable,
GeglBuffer *buffer,
const GeglRectangle *buffer_region,
gboolean push_undo,
const gchar *undo_desc,
gdouble opacity,
GimpLayerModeEffects mode,
GeglBuffer *base_buffer,
gint base_x,
gint base_y)
{
GimpItem *item = GIMP_ITEM (drawable);
GimpImage *image = gimp_item_get_image (item);
GimpChannel *mask = gimp_image_get_mask (image);
GeglBuffer *mask_buffer = NULL;
GeglNode *apply;
GimpComponentMask affect;
gint x, y, width, height;
gint offset_x, offset_y;
/* don't apply the mask to itself and don't apply an empty mask */
if (GIMP_DRAWABLE (mask) == drawable || gimp_channel_is_empty (mask))
mask = NULL;
if (! base_buffer)
base_buffer = gimp_drawable_get_buffer (drawable);
/* get the layer offsets */
gimp_item_get_offset (item, &offset_x, &offset_y);
/* make sure the image application coordinates are within drawable bounds */
gimp_rectangle_intersect (base_x, base_y,
buffer_region->width, buffer_region->height,
0, 0,
gimp_item_get_width (item),
gimp_item_get_height (item),
&x, &y, &width, &height);
if (mask)
{
GimpItem *mask_item = GIMP_ITEM (mask);
/* make sure coordinates are in mask bounds ...
* we need to add the layer offset to transform coords
* into the mask coordinate system
*/
gimp_rectangle_intersect (x, y, width, height,
-offset_x, -offset_y,
gimp_item_get_width (mask_item),
gimp_item_get_height (mask_item),
&x, &y, &width, &height);
}
if (push_undo)
{
GimpDrawableUndo *undo;
gimp_drawable_push_undo (drawable, undo_desc,
NULL, x, y, width, height);
undo = GIMP_DRAWABLE_UNDO (gimp_image_undo_get_fadeable (image));
if (undo)
{
undo->paint_mode = mode;
undo->opacity = opacity;
undo->applied_buffer =
gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
gegl_buffer_get_format (buffer));
gegl_buffer_copy (buffer,
GEGL_RECTANGLE (buffer_region->x + (x - base_x),
buffer_region->y + (y - base_y),
width, height),
undo->applied_buffer,
GEGL_RECTANGLE (0, 0, width, height));
}
}
if (mask)
mask_buffer = gimp_drawable_get_buffer (GIMP_DRAWABLE (mask));
affect = gimp_drawable_get_active_mask (drawable);
apply = gimp_gegl_create_apply_buffer_node (buffer,
base_x - buffer_region->x,
base_y - buffer_region->y,
0,
0,
0,
0,
mask_buffer,
-offset_x,
-offset_y,
opacity,
mode,
affect);
gimp_gegl_apply_operation (base_buffer, NULL, NULL,
apply,
gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (x, y, width, height));
g_object_unref (apply);
}
void
gimp_drawable_edit_fill (GimpDrawable *drawable,
GimpFillOptions *options,
const gchar *undo_desc)
{
GimpContext *context;
gint x, y, width, height;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (GIMP_IS_FILL_OPTIONS (options));
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable),
&x, &y, &width, &height))
{
return; /* nothing to do, but the fill succeeded */
}
context = GIMP_CONTEXT (options);
if (gimp_layer_mode_is_alpha_only (gimp_context_get_paint_mode (context)))
{
if (! gimp_drawable_has_alpha (drawable) ||
! (gimp_drawable_get_active_mask (drawable) &
GIMP_COMPONENT_MASK_ALPHA))
{
return; /* nothing to do, but the fill succeeded */
}
}
if (! undo_desc)
undo_desc = gimp_fill_options_get_undo_desc (options);
/* check if we can fill the drawable's buffer directly */
if (gimp_drawable_edit_can_fill_direct (drawable, options))
{
gimp_drawable_edit_fill_direct (drawable, options, undo_desc);
gimp_drawable_update (drawable, x, y, width, height);
}
else
{
GeglNode *operation;
GimpDrawableFilter *filter;
gdouble opacity;
GimpLayerMode mode;
GimpLayerMode composite_mode;
opacity = gimp_context_get_opacity (context);
mode = gimp_context_get_paint_mode (context);
composite_mode = gimp_layer_mode_get_paint_composite_mode (mode);
operation = gegl_node_new_child (NULL,
"operation", "gimp:fill-source",
"options", options,
"drawable", drawable,
"pattern-offset-x", -x,
"pattern-offset-y", -y,
NULL);
filter = gimp_drawable_filter_new (drawable, undo_desc, operation, NULL);
gimp_drawable_filter_set_opacity (filter, opacity);
gimp_drawable_filter_set_mode (filter,
mode,
GIMP_LAYER_COLOR_SPACE_AUTO,
GIMP_LAYER_COLOR_SPACE_AUTO,
composite_mode);
gimp_drawable_filter_apply (filter, NULL);
gimp_drawable_filter_commit (filter, NULL, FALSE);
g_object_unref (filter);
g_object_unref (operation);
}
}