static void
gimp_warp_tool_start (GimpWarpTool *wt,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
const Babl *format;
GeglRectangle bbox;
tool->display = display;
tool->drawable = drawable;
/* Create the coords buffer, with the size of the selection */
format = babl_format_n (babl_type ("float"), 2);
gimp_item_mask_intersect (GIMP_ITEM (drawable), &bbox.x, &bbox.y,
&bbox.width, &bbox.height);
#ifdef WARP_DEBUG
g_printerr ("Initialize coordinate buffer (%d,%d) at %d,%d\n",
bbox.width, bbox.height, bbox.x, bbox.y);
#endif
wt->coords_buffer = gegl_buffer_new (&bbox, format);
gimp_warp_tool_create_image_map (wt, drawable);
if (! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (wt)))
gimp_draw_tool_start (GIMP_DRAW_TOOL (wt), display);
}
void
gimp_edit_fill (GimpImage *image,
GimpDrawable *drawable,
GimpFillOptions *options,
const gchar *undo_desc)
{
GeglBuffer *buffer;
gint x, y, width, height;
g_return_if_fail (GIMP_IS_IMAGE (image));
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 */
buffer = gimp_fill_options_create_buffer (options, drawable,
GEGL_RECTANGLE (0, 0,
width, height));
if (! undo_desc)
undo_desc = gimp_fill_options_get_undo_desc (options);
gimp_drawable_apply_buffer (drawable, buffer,
GEGL_RECTANGLE (0, 0, width, height),
TRUE, undo_desc,
gimp_context_get_opacity (GIMP_CONTEXT (options)),
gimp_context_get_paint_mode (GIMP_CONTEXT (options)),
NULL, x, y);
g_object_unref (buffer);
gimp_drawable_update (drawable, x, y, width, height);
}
static void
gimp_blend_tool_precalc_shapeburst (GimpBlendTool *blend_tool)
{
GimpTool *tool = GIMP_TOOL (blend_tool);
gint x, y, width, height;
if (blend_tool->dist_buffer || ! tool->drawable)
return;
if (! gimp_item_mask_intersect (GIMP_ITEM (tool->drawable),
&x, &y, &width, &height))
return;
blend_tool->dist_buffer =
gimp_drawable_blend_shapeburst_distmap (tool->drawable, FALSE,
GEGL_RECTANGLE (x, y, width, height),
GIMP_PROGRESS (blend_tool));
if (blend_tool->dist_node)
gegl_node_set (blend_tool->dist_node,
"buffer", blend_tool->dist_buffer,
NULL);
gimp_progress_end (GIMP_PROGRESS (blend_tool));
}
static GimpValueArray *
flip_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpValueArray *return_vals;
GimpDrawable *drawable;
gint32 flip_type;
drawable = gimp_value_get_drawable (gimp_value_array_index (args, 0), gimp);
flip_type = g_value_get_enum (gimp_value_array_index (args, 1));
if (success)
{
gint x, y, width, height;
success = gimp_pdb_item_is_attached (GIMP_ITEM (drawable), NULL, TRUE, error);
if (success &&
gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height))
{
gdouble axis;
gimp_transform_get_flip_axis (x, y, width, height,
flip_type, TRUE, &axis);
if (! gimp_viewable_get_children (GIMP_VIEWABLE (drawable)) &&
! gimp_channel_is_empty (gimp_image_get_mask (gimp_item_get_image (GIMP_ITEM (drawable)))))
{
if (! gimp_drawable_transform_flip (drawable, context,
flip_type, axis, FALSE))
{
success = FALSE;
}
}
else
{
gimp_item_flip (GIMP_ITEM (drawable), context,
flip_type, axis, FALSE);
}
}
}
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
if (success)
gimp_value_set_drawable (gimp_value_array_index (return_vals, 1), drawable);
return return_vals;
}
void
gimp_drawable_stroke_scan_convert (GimpDrawable *drawable,
GimpStrokeOptions *options,
GimpScanConvert *scan_convert,
gboolean push_undo)
{
gdouble width;
GimpUnit unit;
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_STROKE_OPTIONS (options));
g_return_if_fail (scan_convert != NULL);
g_return_if_fail (gimp_fill_options_get_style (GIMP_FILL_OPTIONS (options)) !=
GIMP_FILL_STYLE_PATTERN ||
gimp_context_get_pattern (GIMP_CONTEXT (options)) != NULL);
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable), NULL, NULL, NULL, NULL))
return;
width = gimp_stroke_options_get_width (options);
unit = gimp_stroke_options_get_unit (options);
if (unit != GIMP_UNIT_PIXEL)
{
GimpImage *image = gimp_item_get_image (GIMP_ITEM (drawable));
gdouble xres;
gdouble yres;
gimp_image_get_resolution (image, &xres, &yres);
gimp_scan_convert_set_pixel_ratio (scan_convert, yres / xres);
width = gimp_units_to_pixels (width, unit, yres);
}
gimp_scan_convert_stroke (scan_convert, width,
gimp_stroke_options_get_join_style (options),
gimp_stroke_options_get_cap_style (options),
gimp_stroke_options_get_miter_limit (options),
gimp_stroke_options_get_dash_offset (options),
gimp_stroke_options_get_dash_info (options));
gimp_drawable_fill_scan_convert (drawable, GIMP_FILL_OPTIONS (options),
scan_convert, push_undo);
}
static void
gimp_warp_tool_start (GimpWarpTool *wt,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
const Babl *format;
GeglRectangle bbox;
tool->display = display;
tool->drawable = drawable;
/* Create the coords buffer, with the size of the selection */
format = babl_format_n (babl_type ("float"), 2);
gimp_item_mask_intersect (GIMP_ITEM (drawable), &bbox.x, &bbox.y,
&bbox.width, &bbox.height);
#ifdef WARP_DEBUG
g_printerr ("Initialize coordinate buffer (%d,%d) at %d,%d\n",
bbox.width, bbox.height, bbox.x, bbox.y);
#endif
wt->coords_buffer = gegl_buffer_new (&bbox, format);
gimp_warp_tool_create_image_map (wt, drawable);
if (! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (wt)))
gimp_draw_tool_start (GIMP_DRAW_TOOL (wt), display);
if (options->animate_button)
{
g_signal_connect_swapped (options->animate_button, "clicked",
G_CALLBACK (gimp_warp_tool_animate),
wt);
gtk_widget_set_sensitive (options->animate_button, TRUE);
}
}
void
gimp_drawable_apply_operation (GimpDrawable *drawable,
GimpProgress *progress,
const gchar *undo_desc,
GeglNode *operation,
gboolean linear)
{
GeglRectangle rect;
g_return_if_fail (GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (undo_desc != NULL);
g_return_if_fail (GEGL_IS_NODE (operation));
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable),
&rect.x, &rect.y,
&rect.width, &rect.height))
return;
gimp_drawable_apply_operation_private (drawable,
progress,
undo_desc,
operation,
linear,
gimp_drawable_get_shadow_tiles (drawable),
&rect);
gimp_drawable_merge_shadow_tiles (drawable, TRUE, undo_desc);
gimp_drawable_free_shadow_tiles (drawable);
gimp_drawable_update (drawable, rect.x, rect.y, rect.width, rect.height);
if (progress)
gimp_progress_end (progress);
}
static void
gimp_operation_tool_color_picked (GimpImageMapTool *im_tool,
gpointer identifier,
gdouble x,
gdouble y,
const Babl *sample_format,
const GimpRGB *color)
{
GimpOperationTool *tool = GIMP_OPERATION_TOOL (im_tool);
gchar **pspecs;
pspecs = g_strsplit (identifier, ":", 2);
if (pspecs[1])
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (tool);
GimpDrawable *drawable = GIMP_TOOL (im_tool)->drawable;
GObjectClass *object_class = G_OBJECT_GET_CLASS (im_tool->config);
GParamSpec *pspec_x;
GParamSpec *pspec_y;
gint width = 1;
gint height = 1;
if (drawable)
{
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x -= off_x;
y -= off_y;
switch (options->region)
{
case GIMP_IMAGE_MAP_REGION_SELECTION:
if (gimp_item_mask_intersect (GIMP_ITEM (drawable),
&off_x, &off_y, &width, &height))
{
x -= off_x;
y -= off_y;
}
break;
case GIMP_IMAGE_MAP_REGION_DRAWABLE:
width = gimp_item_get_width (GIMP_ITEM (drawable));
height = gimp_item_get_height (GIMP_ITEM (drawable));
break;
}
}
pspec_x = g_object_class_find_property (object_class, pspecs[0]);
pspec_y = g_object_class_find_property (object_class, pspecs[1]);
if (pspec_x && pspec_y &&
G_PARAM_SPEC_TYPE (pspec_x) == G_PARAM_SPEC_TYPE (pspec_y))
{
GValue value_x = G_VALUE_INIT;
GValue value_y = G_VALUE_INIT;
g_value_init (&value_x, G_PARAM_SPEC_VALUE_TYPE (pspec_x));
g_value_init (&value_y, G_PARAM_SPEC_VALUE_TYPE (pspec_y));
#define HAS_KEY(p,k,v) gimp_gegl_param_spec_has_key (p, k, v)
if (HAS_KEY (pspec_x, "unit", "relative-coordinate") &&
HAS_KEY (pspec_y, "unit", "relative-coordinate"))
{
x /= (gdouble) width;
y /= (gdouble) height;
}
if (G_IS_PARAM_SPEC_INT (pspec_x))
{
g_value_set_int (&value_x, x);
g_value_set_int (&value_y, y);
g_param_value_validate (pspec_x, &value_x);
g_param_value_validate (pspec_y, &value_y);
g_object_set (im_tool->config,
pspecs[0], g_value_get_int (&value_x),
pspecs[1], g_value_get_int (&value_y),
NULL);
}
else if (G_IS_PARAM_SPEC_DOUBLE (pspec_x))
{
g_value_set_double (&value_x, x);
g_value_set_double (&value_y, y);
g_param_value_validate (pspec_x, &value_x);
g_param_value_validate (pspec_y, &value_y);
g_object_set (im_tool->config,
pspecs[0], g_value_get_double (&value_x),
pspecs[1], g_value_get_double (&value_y),
NULL);
}
else
{
g_warning ("%s: unhandled param spec of type %s",
G_STRFUNC, G_PARAM_SPEC_TYPE_NAME (pspec_x));
}
g_value_unset (&value_x);
g_value_unset (&value_y);
}
}
else
{
g_object_set (im_tool->config,
pspecs[0], color,
NULL);
}
g_strfreev (pspecs);
}
static void
gimp_operation_tool_sync_op (GimpOperationTool *op_tool,
GimpDrawable *drawable)
{
GimpImageMapTool *im_tool = GIMP_IMAGE_MAP_TOOL (op_tool);
GimpToolOptions *options = GIMP_TOOL_GET_OPTIONS (op_tool);
GParamSpec **pspecs;
guint n_pspecs;
gint bounds_x;
gint bounds_y;
gint bounds_width;
gint bounds_height;
gint i;
gimp_item_mask_intersect (GIMP_ITEM (drawable),
&bounds_x, &bounds_y,
&bounds_width, &bounds_height);
pspecs = g_object_class_list_properties (G_OBJECT_GET_CLASS (im_tool->config),
&n_pspecs);
for (i = 0; i < n_pspecs; i++)
{
GParamSpec *pspec = pspecs[i];
#define HAS_KEY(p,k,v) gimp_gegl_param_spec_has_key (p, k, v)
if (HAS_KEY (pspec, "role", "output-extent"))
{
if (HAS_KEY (pspec, "unit", "pixel-coordinate") &&
HAS_KEY (pspec, "axis", "x"))
{
g_object_set (im_tool->config, pspec->name, 0, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-coordinate") &&
HAS_KEY (pspec, "axis", "y"))
{
g_object_set (im_tool->config, pspec->name, 0, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-distance") &&
HAS_KEY (pspec, "axis", "x"))
{
g_object_set (im_tool->config, pspec->name, bounds_width, NULL);
}
else if (HAS_KEY (pspec, "unit", "pixel-distance") &&
HAS_KEY (pspec, "axis", "y"))
{
g_object_set (im_tool->config, pspec->name, bounds_height, NULL);
}
}
else if (HAS_KEY (pspec, "role", "color-primary"))
{
GimpRGB color;
gimp_context_get_foreground (GIMP_CONTEXT (options), &color);
g_object_set (im_tool->config, pspec->name, &color, NULL);
}
else if (HAS_KEY (pspec, "role", "color-secondary"))
{
GimpRGB color;
gimp_context_get_background (GIMP_CONTEXT (options), &color);
g_object_set (im_tool->config, pspec->name, &color, NULL);
}
}
g_free (pspecs);
}
static void
gimp_selection_tool_oper_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
gboolean proximity,
GimpDisplay *display)
{
GimpSelectionTool *selection_tool = GIMP_SELECTION_TOOL (tool);
GimpSelectionOptions *options = GIMP_SELECTION_TOOL_GET_OPTIONS (tool);
GimpImage *image;
GimpChannel *selection;
GimpDrawable *drawable;
GimpLayer *layer;
GimpLayer *floating_sel;
GdkModifierType extend_mask;
GdkModifierType modify_mask;
gboolean move_layer = FALSE;
gboolean move_floating_sel = FALSE;
gboolean selection_empty;
image = gimp_display_get_image (display);
selection = gimp_image_get_mask (image);
drawable = gimp_image_get_active_drawable (image);
layer = gimp_image_pick_layer (image, coords->x, coords->y);
floating_sel = gimp_image_get_floating_selection (image);
extend_mask = gimp_get_extend_selection_mask ();
modify_mask = gimp_get_modify_selection_mask ();
if (drawable)
{
if (floating_sel)
{
if (layer == floating_sel)
move_floating_sel = TRUE;
}
else if (gimp_item_mask_intersect (GIMP_ITEM (drawable),
NULL, NULL, NULL, NULL))
{
move_layer = TRUE;
}
}
selection_empty = gimp_channel_is_empty (selection);
selection_tool->function = SELECTION_SELECT;
if (selection_tool->allow_move &&
(state & GDK_MOD1_MASK) && (state & modify_mask) && move_layer)
{
/* move the selection */
selection_tool->function = SELECTION_MOVE;
}
else if (selection_tool->allow_move &&
(state & GDK_MOD1_MASK) && (state & extend_mask) && move_layer)
{
/* move a copy of the selection */
selection_tool->function = SELECTION_MOVE_COPY;
}
else if (selection_tool->allow_move &&
(state & GDK_MOD1_MASK) && ! selection_empty)
{
/* move the selection mask */
selection_tool->function = SELECTION_MOVE_MASK;
}
else if (selection_tool->allow_move &&
! (state & (extend_mask | modify_mask)) &&
move_floating_sel)
{
/* move the selection */
selection_tool->function = SELECTION_MOVE;
}
else if ((state & modify_mask) || (state & extend_mask))
{
/* select */
selection_tool->function = SELECTION_SELECT;
}
else if (floating_sel)
{
/* anchor the selection */
selection_tool->function = SELECTION_ANCHOR;
}
gimp_tool_pop_status (tool, display);
if (proximity)
{
const gchar *status = NULL;
gboolean free_status = FALSE;
GdkModifierType modifiers = (extend_mask | modify_mask);
if (! selection_empty)
modifiers |= GDK_MOD1_MASK;
switch (selection_tool->function)
{
case SELECTION_SELECT:
switch (options->operation)
{
case GIMP_CHANNEL_OP_REPLACE:
if (! selection_empty)
{
status = gimp_suggest_modifiers (_("Click-Drag to replace the "
"current selection"),
modifiers & ~state,
NULL, NULL, NULL);
free_status = TRUE;
}
else
{
status = _("Click-Drag to create a new selection");
}
break;
case GIMP_CHANNEL_OP_ADD:
status = gimp_suggest_modifiers (_("Click-Drag to add to the "
"current selection"),
modifiers
& ~(state | extend_mask),
NULL, NULL, NULL);
free_status = TRUE;
break;
case GIMP_CHANNEL_OP_SUBTRACT:
status = gimp_suggest_modifiers (_("Click-Drag to subtract from the "
"current selection"),
modifiers
& ~(state | modify_mask),
NULL, NULL, NULL);
free_status = TRUE;
break;
case GIMP_CHANNEL_OP_INTERSECT:
status = gimp_suggest_modifiers (_("Click-Drag to intersect with "
"the current selection"),
modifiers & ~state,
NULL, NULL, NULL);
free_status = TRUE;
break;
}
break;
case SELECTION_MOVE_MASK:
status = gimp_suggest_modifiers (_("Click-Drag to move the "
"selection mask"),
modifiers & ~state,
NULL, NULL, NULL);
free_status = TRUE;
break;
case SELECTION_MOVE:
status = _("Click-Drag to move the selected pixels");
break;
case SELECTION_MOVE_COPY:
status = _("Click-Drag to move a copy of the selected pixels");
break;
case SELECTION_ANCHOR:
status = _("Click to anchor the floating selection");
break;
default:
g_return_if_reached ();
}
if (status)
gimp_tool_push_status (tool, display, "%s", status);
if (free_status)
g_free ((gchar *) status);
}
}
GeglBuffer *
gimp_drawable_transform_cut (GimpDrawable *drawable,
GimpContext *context,
gint *offset_x,
gint *offset_y,
gboolean *new_layer)
{
GimpImage *image;
GeglBuffer *buffer;
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (offset_x != NULL, NULL);
g_return_val_if_fail (offset_y != NULL, NULL);
g_return_val_if_fail (new_layer != NULL, NULL);
image = gimp_item_get_image (GIMP_ITEM (drawable));
/* extract the selected mask if there is a selection */
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
{
gint x, y, w, h;
/* set the keep_indexed flag to FALSE here, since we use
* gimp_layer_new_from_buffer() later which assumes that the buffer
* are either RGB or GRAY. Eeek!!! (Sven)
*/
if (gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &w, &h))
{
buffer = gimp_selection_extract (GIMP_SELECTION (gimp_image_get_mask (image)),
GIMP_PICKABLE (drawable),
context,
TRUE, FALSE, TRUE,
offset_x, offset_y,
NULL);
/* clear the selection */
gimp_channel_clear (gimp_image_get_mask (image), NULL, TRUE);
*new_layer = TRUE;
}
else
{
buffer = NULL;
*new_layer = FALSE;
}
}
else /* otherwise, just copy the layer */
{
buffer = gimp_selection_extract (GIMP_SELECTION (gimp_image_get_mask (image)),
GIMP_PICKABLE (drawable),
context,
FALSE, TRUE, GIMP_IS_LAYER (drawable),
offset_x, offset_y,
NULL);
*new_layer = FALSE;
}
return buffer;
}
/**
* gimp_drawable_get_bucket_fill_buffer:
* @drawable: the #GimpDrawable to edit.
* @options:
* @fill_transparent:
* @fill_criterion:
* @threshold:
* @sample_merged:
* @diagonal_neighbors:
* @seed_x: X coordinate to start the fill.
* @seed_y: Y coordinate to start the fill.
* @mask_buffer: mask of the fill in-progress when in an interactive
* filling process. Set to NULL if you need a one-time
* fill.
* @mask_x: returned x bound of @mask_buffer.
* @mask_y: returned x bound of @mask_buffer.
* @mask_width: returned width bound of @mask_buffer.
* @mask_height: returned height bound of @mask_buffer.
*
* Creates the fill buffer for a bucket fill operation on @drawable,
* without actually applying it (if you want to apply it directly as a
* one-time operation, use gimp_drawable_bucket_fill() instead). If
* @mask_buffer is not NULL, the intermediate fill mask will also be
* returned. This fill mask can later be reused in successive calls to
* gimp_drawable_get_bucket_fill_buffer() for interactive filling.
*
* Returns: a fill buffer which can be directly applied to @drawable, or
* used in a drawable filter as preview.
*/
GeglBuffer *
gimp_drawable_get_bucket_fill_buffer (GimpDrawable *drawable,
GimpFillOptions *options,
gboolean fill_transparent,
GimpSelectCriterion fill_criterion,
gdouble threshold,
gboolean sample_merged,
gboolean diagonal_neighbors,
gdouble seed_x,
gdouble seed_y,
GeglBuffer **mask_buffer,
gdouble *mask_x,
gdouble *mask_y,
gint *mask_width,
gint *mask_height)
{
GimpImage *image;
GimpPickable *pickable;
GeglBuffer *buffer;
GeglBuffer *new_mask;
gboolean antialias;
gint x, y, width, height;
gint mask_offset_x = 0;
gint mask_offset_y = 0;
gint sel_x, sel_y, sel_width, sel_height;
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_FILL_OPTIONS (options), NULL);
image = gimp_item_get_image (GIMP_ITEM (drawable));
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable),
&sel_x, &sel_y, &sel_width, &sel_height))
return NULL;
if (mask_buffer && *mask_buffer && threshold == 0.0)
{
gfloat pixel;
gegl_buffer_sample (*mask_buffer, seed_x, seed_y, NULL, &pixel,
babl_format ("Y float"),
GEGL_SAMPLER_NEAREST, GEGL_ABYSS_NONE);
if (pixel != 0.0)
/* Already selected. This seed won't change the selection. */
return NULL;
}
gimp_set_busy (image->gimp);
if (sample_merged)
pickable = GIMP_PICKABLE (image);
else
pickable = GIMP_PICKABLE (drawable);
antialias = gimp_fill_options_get_antialias (options);
/* Do a seed bucket fill...To do this, calculate a new
* contiguous region.
*/
new_mask = gimp_pickable_contiguous_region_by_seed (pickable,
antialias,
threshold,
fill_transparent,
fill_criterion,
diagonal_neighbors,
(gint) seed_x,
(gint) seed_y);
if (mask_buffer && *mask_buffer)
{
gimp_gegl_mask_combine_buffer (new_mask, *mask_buffer,
GIMP_CHANNEL_OP_ADD, 0, 0);
g_object_unref (*mask_buffer);
}
if (mask_buffer)
*mask_buffer = new_mask;
gimp_gegl_mask_bounds (new_mask, &x, &y, &width, &height);
width -= x;
height -= y;
/* If there is a selection, intersect the region bounds
* with the selection bounds, to avoid processing areas
* that are going to be masked out anyway. The actual
* intersection of the fill region with the mask data
* happens when combining the fill buffer, in
* gimp_drawable_apply_buffer().
*/
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
{
gint off_x = 0;
gint off_y = 0;
if (sample_merged)
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
if (! gimp_rectangle_intersect (x, y, width, height,
sel_x + off_x, sel_y + off_y,
sel_width, sel_height,
&x, &y, &width, &height))
{
if (! mask_buffer)
g_object_unref (new_mask);
/* The fill region and the selection are disjoint; bail. */
gimp_unset_busy (image->gimp);
return NULL;
}
}
/* make sure we handle the mask correctly if it was sample-merged */
if (sample_merged)
{
GimpItem *item = GIMP_ITEM (drawable);
gint off_x, off_y;
/* Limit the channel bounds to the drawable's extents */
gimp_item_get_offset (item, &off_x, &off_y);
gimp_rectangle_intersect (x, y, width, height,
off_x, off_y,
gimp_item_get_width (item),
gimp_item_get_height (item),
&x, &y, &width, &height);
mask_offset_x = x;
mask_offset_y = y;
/* translate mask bounds to drawable coords */
x -= off_x;
y -= off_y;
}
else
{
mask_offset_x = x;
mask_offset_y = y;
}
buffer = gimp_fill_options_create_buffer (options, drawable,
GEGL_RECTANGLE (0, 0,
width, height),
-x, -y);
gimp_gegl_apply_opacity (buffer, NULL, NULL, buffer, new_mask,
-mask_offset_x, -mask_offset_y, 1.0);
if (mask_x)
*mask_x = x;
if (mask_y)
*mask_y = y;
if (mask_width)
*mask_width = width;
if (mask_height)
*mask_height = height;
if (! mask_buffer)
g_object_unref (new_mask);
gimp_unset_busy (image->gimp);
return buffer;
}
/**
* gimp_drawable_get_line_art_fill_buffer:
* @drawable: the #GimpDrawable to edit.
* @line_art: the #GimpLineArt computed as fill source.
* @options: the #GimpFillOptions.
* @sample_merged:
* @seed_x: X coordinate to start the fill.
* @seed_y: Y coordinate to start the fill.
* @mask_buffer: mask of the fill in-progress when in an interactive
* filling process. Set to NULL if you need a one-time
* fill.
* @mask_x: returned x bound of @mask_buffer.
* @mask_y: returned x bound of @mask_buffer.
* @mask_width: returned width bound of @mask_buffer.
* @mask_height: returned height bound of @mask_buffer.
*
* Creates the fill buffer for a bucket fill operation on @drawable
* based on @line_art and @options, without actually applying it.
* If @mask_buffer is not NULL, the intermediate fill mask will also be
* returned. This fill mask can later be reused in successive calls to
* gimp_drawable_get_bucket_fill_buffer() for interactive filling.
*
* Returns: a fill buffer which can be directly applied to @drawable, or
* used in a drawable filter as preview.
*/
GeglBuffer *
gimp_drawable_get_line_art_fill_buffer (GimpDrawable *drawable,
GimpLineArt *line_art,
GimpFillOptions *options,
gboolean sample_merged,
gdouble seed_x,
gdouble seed_y,
GeglBuffer **mask_buffer,
gdouble *mask_x,
gdouble *mask_y,
gint *mask_width,
gint *mask_height)
{
GimpImage *image;
GeglBuffer *buffer;
GeglBuffer *new_mask;
gint x, y, width, height;
gint mask_offset_x = 0;
gint mask_offset_y = 0;
gint sel_x, sel_y, sel_width, sel_height;
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_FILL_OPTIONS (options), NULL);
image = gimp_item_get_image (GIMP_ITEM (drawable));
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable),
&sel_x, &sel_y, &sel_width, &sel_height))
return NULL;
if (mask_buffer && *mask_buffer)
{
gfloat pixel;
gegl_buffer_sample (*mask_buffer, seed_x, seed_y, NULL, &pixel,
babl_format ("Y float"),
GEGL_SAMPLER_NEAREST, GEGL_ABYSS_NONE);
if (pixel != 0.0)
/* Already selected. This seed won't change the selection. */
return NULL;
}
gimp_set_busy (image->gimp);
/* Do a seed bucket fill...To do this, calculate a new
* contiguous region.
*/
new_mask = gimp_pickable_contiguous_region_by_line_art (NULL, line_art,
(gint) seed_x,
(gint) seed_y);
if (mask_buffer && *mask_buffer)
{
gimp_gegl_mask_combine_buffer (new_mask, *mask_buffer,
GIMP_CHANNEL_OP_ADD, 0, 0);
g_object_unref (*mask_buffer);
}
if (mask_buffer)
*mask_buffer = new_mask;
gimp_gegl_mask_bounds (new_mask, &x, &y, &width, &height);
width -= x;
height -= y;
/* If there is a selection, intersect the region bounds
* with the selection bounds, to avoid processing areas
* that are going to be masked out anyway. The actual
* intersection of the fill region with the mask data
* happens when combining the fill buffer, in
* gimp_drawable_apply_buffer().
*/
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
{
gint off_x = 0;
gint off_y = 0;
if (sample_merged)
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
if (! gimp_rectangle_intersect (x, y, width, height,
sel_x + off_x, sel_y + off_y,
sel_width, sel_height,
&x, &y, &width, &height))
{
if (! mask_buffer)
g_object_unref (new_mask);
/* The fill region and the selection are disjoint; bail. */
gimp_unset_busy (image->gimp);
return NULL;
}
}
/* make sure we handle the mask correctly if it was sample-merged */
if (sample_merged)
{
GimpItem *item = GIMP_ITEM (drawable);
gint off_x, off_y;
/* Limit the channel bounds to the drawable's extents */
gimp_item_get_offset (item, &off_x, &off_y);
gimp_rectangle_intersect (x, y, width, height,
off_x, off_y,
gimp_item_get_width (item),
gimp_item_get_height (item),
&x, &y, &width, &height);
mask_offset_x = x;
mask_offset_y = y;
/* translate mask bounds to drawable coords */
x -= off_x;
y -= off_y;
}
else
{
mask_offset_x = x;
mask_offset_y = y;
}
buffer = gimp_fill_options_create_buffer (options, drawable,
GEGL_RECTANGLE (0, 0,
width, height),
-x, -y);
gimp_gegl_apply_opacity (buffer, NULL, NULL, buffer, new_mask,
-mask_offset_x, -mask_offset_y, 1.0);
if (gimp_fill_options_get_antialias (options))
{
/* Antialias for the line art algorithm is not applied during mask
* creation because it is not based on individual pixel colors.
* Instead we just want to apply it on the borders of the mask at
* the end (since the mask can evolve, we don't want to actually
* touch it, but only the intermediate results).
*/
GeglNode *graph;
GeglNode *input;
GeglNode *op;
graph = gegl_node_new ();
input = gegl_node_new_child (graph,
"operation", "gegl:buffer-source",
"buffer", buffer,
NULL);
op = gegl_node_new_child (graph,
"operation", "gegl:gaussian-blur",
"std-dev-x", 0.5,
"std-dev-y", 0.5,
NULL);
gegl_node_connect_to (input, "output", op, "input");
gegl_node_blit_buffer (op, buffer, NULL, 0,
GEGL_ABYSS_NONE);
g_object_unref (graph);
}
if (mask_x)
*mask_x = x;
if (mask_y)
*mask_y = y;
if (mask_width)
*mask_width = width;
if (mask_height)
*mask_height = height;
if (! mask_buffer)
g_object_unref (new_mask);
gimp_unset_busy (image->gimp);
return buffer;
}
void
gimp_drawable_bucket_fill (GimpDrawable *drawable,
GimpFillOptions *options,
gboolean fill_transparent,
GimpSelectCriterion fill_criterion,
gdouble threshold,
gboolean sample_merged,
gboolean diagonal_neighbors,
gdouble seed_x,
gdouble seed_y)
{
GimpImage *image;
GimpPickable *pickable;
GeglBuffer *buffer;
GeglBuffer *mask_buffer;
gboolean antialias;
gint x, y, width, height;
gint mask_offset_x = 0;
gint mask_offset_y = 0;
gint sel_x, sel_y, sel_width, sel_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));
image = gimp_item_get_image (GIMP_ITEM (drawable));
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable),
&sel_x, &sel_y, &sel_width, &sel_height))
return;
gimp_set_busy (image->gimp);
if (sample_merged)
pickable = GIMP_PICKABLE (image);
else
pickable = GIMP_PICKABLE (drawable);
antialias = gimp_fill_options_get_antialias (options);
/* Do a seed bucket fill...To do this, calculate a new
* contiguous region.
*/
mask_buffer = gimp_pickable_contiguous_region_by_seed (pickable,
antialias,
threshold,
fill_transparent,
fill_criterion,
diagonal_neighbors,
(gint) seed_x,
(gint) seed_y);
gimp_gegl_mask_bounds (mask_buffer, &x, &y, &width, &height);
width -= x;
height -= y;
/* If there is a selection, inersect the region bounds
* with the selection bounds, to avoid processing areas
* that are going to be masked out anyway. The actual
* intersection of the fill region with the mask data
* happens when combining the fill buffer, in
* gimp_drawable_apply_buffer().
*/
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
{
gint off_x = 0;
gint off_y = 0;
if (sample_merged)
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
if (! gimp_rectangle_intersect (x, y, width, height,
sel_x + off_x, sel_y + off_y,
sel_width, sel_height,
&x, &y, &width, &height))
{
/* The fill region and the selection are disjoint; bail. */
g_object_unref (mask_buffer);
gimp_unset_busy (image->gimp);
return;
}
}
/* make sure we handle the mask correctly if it was sample-merged */
if (sample_merged)
{
GimpItem *item = GIMP_ITEM (drawable);
gint off_x, off_y;
/* Limit the channel bounds to the drawable's extents */
gimp_item_get_offset (item, &off_x, &off_y);
gimp_rectangle_intersect (x, y, width, height,
off_x, off_y,
gimp_item_get_width (item),
gimp_item_get_height (item),
&x, &y, &width, &height);
mask_offset_x = x;
mask_offset_y = y;
/* translate mask bounds to drawable coords */
x -= off_x;
y -= off_y;
}
else
{
mask_offset_x = x;
mask_offset_y = y;
}
buffer = gimp_fill_options_create_buffer (options, drawable,
GEGL_RECTANGLE (0, 0,
width, height));
gimp_gegl_apply_opacity (buffer, NULL, NULL, buffer,
mask_buffer,
-mask_offset_x,
-mask_offset_y,
1.0);
g_object_unref (mask_buffer);
/* Apply it to the image */
gimp_drawable_apply_buffer (drawable, buffer,
GEGL_RECTANGLE (0, 0, width, height),
TRUE, C_("undo-type", "Bucket Fill"),
gimp_context_get_opacity (GIMP_CONTEXT (options)),
gimp_context_get_paint_mode (GIMP_CONTEXT (options)),
NULL, x, y);
g_object_unref (buffer);
gimp_drawable_update (drawable, x, y, width, height);
gimp_unset_busy (image->gimp);
}
void
gimp_edit_fill (GimpImage *image,
GimpDrawable *drawable,
GimpFillOptions *options,
const gchar *undo_desc)
{
GeglBuffer *dest_buffer;
GimpPattern *pattern = NULL;
GimpRGB color;
const Babl *format;
gint x, y, width, height;
g_return_if_fail (GIMP_IS_IMAGE (image));
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 */
switch (gimp_fill_options_get_style (options))
{
case GIMP_FILL_STYLE_SOLID:
gimp_context_get_foreground (GIMP_CONTEXT (options), &color);
break;
case GIMP_FILL_STYLE_PATTERN:
pattern = gimp_context_get_pattern (GIMP_CONTEXT (options));
break;
}
if (pattern &&
babl_format_has_alpha (gimp_temp_buf_get_format (pattern->mask)) &&
! gimp_drawable_has_alpha (drawable))
{
format = gimp_drawable_get_format_with_alpha (drawable);
}
else
{
format = gimp_drawable_get_format (drawable);
}
dest_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
format);
if (pattern)
{
GeglBuffer *src_buffer = gimp_pattern_create_buffer (pattern);
gegl_buffer_set_pattern (dest_buffer, NULL, src_buffer, 0, 0);
g_object_unref (src_buffer);
}
else
{
GeglColor *gegl_color = gimp_gegl_color_new (&color);
gegl_buffer_set_color (dest_buffer, NULL, gegl_color);
g_object_unref (gegl_color);
}
if (! undo_desc)
undo_desc = gimp_fill_options_get_undo_desc (options);
gimp_drawable_apply_buffer (drawable, dest_buffer,
GEGL_RECTANGLE (0, 0, width, height),
TRUE, undo_desc,
gimp_context_get_opacity (GIMP_CONTEXT (options)),
gimp_context_get_paint_mode (GIMP_CONTEXT (options)),
NULL, x, y);
g_object_unref (dest_buffer);
gimp_drawable_update (drawable, x, y, width, height);
}
static GimpValueArray *
shear_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpValueArray *return_vals;
GimpDrawable *drawable;
gboolean interpolation;
gint32 shear_type;
gdouble magnitude;
drawable = gimp_value_get_drawable (gimp_value_array_index (args, 0), gimp);
interpolation = g_value_get_boolean (gimp_value_array_index (args, 1));
shear_type = g_value_get_enum (gimp_value_array_index (args, 2));
magnitude = g_value_get_double (gimp_value_array_index (args, 3));
if (success)
{
gint x, y, width, height;
success = gimp_pdb_item_is_attached (GIMP_ITEM (drawable), NULL, TRUE, error);
if (success &&
gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height))
{
GimpMatrix3 matrix;
GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x += off_x;
y += off_y;
/* Assemble the transformation matrix */
gimp_matrix3_identity (&matrix);
gimp_transform_matrix_shear (&matrix,
x, y, width, height,
shear_type, magnitude);
if (interpolation)
interpolation_type = gimp->config->interpolation_type;
if (progress)
gimp_progress_start (progress, _("Shearing"), FALSE);
if (! gimp_viewable_get_children (GIMP_VIEWABLE (drawable)) &&
! gimp_channel_is_empty (gimp_image_get_mask (gimp_item_get_image (GIMP_ITEM (drawable)))))
{
if (! gimp_drawable_transform_affine (drawable, context,
&matrix,
GIMP_TRANSFORM_FORWARD,
interpolation_type, 3,
FALSE, progress))
{
success = FALSE;
}
}
else
{
gimp_item_transform (GIMP_ITEM (drawable), context, &matrix,
GIMP_TRANSFORM_FORWARD,
interpolation, 3,
FALSE, progress);
}
if (progress)
gimp_progress_end (progress);
}
}
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
if (success)
gimp_value_set_drawable (gimp_value_array_index (return_vals, 1), drawable);
return return_vals;
}
static GimpValueArray *
transform_2d_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GimpValueArray *args,
GError **error)
{
gboolean success = TRUE;
GimpValueArray *return_vals;
GimpDrawable *drawable;
gboolean interpolation;
gdouble source_x;
gdouble source_y;
gdouble scale_x;
gdouble scale_y;
gdouble angle;
gdouble dest_x;
gdouble dest_y;
drawable = gimp_value_get_drawable (gimp_value_array_index (args, 0), gimp);
interpolation = g_value_get_boolean (gimp_value_array_index (args, 1));
source_x = g_value_get_double (gimp_value_array_index (args, 2));
source_y = g_value_get_double (gimp_value_array_index (args, 3));
scale_x = g_value_get_double (gimp_value_array_index (args, 4));
scale_y = g_value_get_double (gimp_value_array_index (args, 5));
angle = g_value_get_double (gimp_value_array_index (args, 6));
dest_x = g_value_get_double (gimp_value_array_index (args, 7));
dest_y = g_value_get_double (gimp_value_array_index (args, 8));
if (success)
{
gint x, y, width, height;
success = gimp_pdb_item_is_attached (GIMP_ITEM (drawable), NULL, TRUE, error);
if (success &&
gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height))
{
GimpMatrix3 matrix;
GimpInterpolationType interpolation_type = GIMP_INTERPOLATION_NONE;
/* Assemble the transformation matrix */
gimp_matrix3_identity (&matrix);
gimp_matrix3_translate (&matrix, -source_x, -source_y);
gimp_matrix3_scale (&matrix, scale_x, scale_y);
gimp_matrix3_rotate (&matrix, angle);
gimp_matrix3_translate (&matrix, dest_x, dest_y);
if (interpolation)
interpolation_type = gimp->config->interpolation_type;
if (progress)
gimp_progress_start (progress, _("2D Transform"), FALSE);
if (! gimp_viewable_get_children (GIMP_VIEWABLE (drawable)) &&
! gimp_channel_is_empty (gimp_image_get_mask (gimp_item_get_image (GIMP_ITEM (drawable)))))
{
if (! gimp_drawable_transform_affine (drawable, context,
&matrix, GIMP_TRANSFORM_FORWARD,
interpolation_type, 3,
FALSE, progress))
{
success = FALSE;
}
}
else
{
gimp_item_transform (GIMP_ITEM (drawable), context, &matrix,
GIMP_TRANSFORM_FORWARD,
interpolation, 3,
FALSE, progress);
}
if (progress)
gimp_progress_end (progress);
}
}
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
if (success)
gimp_value_set_drawable (gimp_value_array_index (return_vals, 1), drawable);
return return_vals;
}
void
gimp_drawable_blend (GimpDrawable *drawable,
GimpContext *context,
GimpBlendMode blend_mode,
GimpLayerModeEffects paint_mode,
GimpGradientType gradient_type,
gdouble opacity,
gdouble offset,
GimpRepeatMode repeat,
gboolean reverse,
gboolean supersample,
gint max_depth,
gdouble threshold,
gboolean dither,
gdouble startx,
gdouble starty,
gdouble endx,
gdouble endy,
GimpProgress *progress)
{
GimpImage *image;
GeglBuffer *buffer;
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_CONTEXT (context));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
image = gimp_item_get_image (GIMP_ITEM (drawable));
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height))
return;
gimp_set_busy (image->gimp);
/* Always create an alpha temp buf (for generality) */
buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
gimp_drawable_get_format_with_alpha (drawable));
gradient_fill_region (image, drawable, context,
buffer, GEGL_RECTANGLE (0, 0, width, height),
blend_mode, gradient_type, offset, repeat, reverse,
supersample, max_depth, threshold, dither,
(startx - x), (starty - y),
(endx - x), (endy - y),
progress);
gimp_drawable_apply_buffer (drawable, buffer,
GEGL_RECTANGLE (0, 0, width, height),
TRUE, C_("undo-type", "Blend"),
opacity, paint_mode,
NULL, x, y);
/* update the image */
gimp_drawable_update (drawable, x, y, width, height);
/* free the temporary buffer */
g_object_unref (buffer);
gimp_unset_busy (image->gimp);
}
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);
}
}
static gboolean
gimp_warp_tool_start (GimpWarpTool *wt,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
const Babl *format;
GeglRectangle bbox;
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
{
gimp_tool_message_literal (tool, display,
_("Cannot warp layer groups."));
return FALSE;
}
if (gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
gimp_tool_message_literal (tool, display,
_("The active layer's pixels are locked."));
return FALSE;
}
if (! gimp_item_is_visible (GIMP_ITEM (drawable)))
{
gimp_tool_message_literal (tool, display,
_("The active layer is not visible."));
return FALSE;
}
tool->display = display;
tool->drawable = drawable;
/* Create the coords buffer, with the size of the selection */
format = babl_format_n (babl_type ("float"), 2);
gimp_item_mask_intersect (GIMP_ITEM (drawable), &bbox.x, &bbox.y,
&bbox.width, &bbox.height);
#ifdef WARP_DEBUG
g_printerr ("Initialize coordinate buffer (%d,%d) at %d,%d\n",
bbox.width, bbox.height, bbox.x, bbox.y);
#endif
wt->coords_buffer = gegl_buffer_new (&bbox, format);
gimp_warp_tool_create_filter (wt, drawable);
if (! gimp_draw_tool_is_active (GIMP_DRAW_TOOL (wt)))
gimp_draw_tool_start (GIMP_DRAW_TOOL (wt), display);
if (options->animate_button)
{
g_signal_connect_swapped (options->animate_button, "clicked",
G_CALLBACK (gimp_warp_tool_animate),
wt);
gtk_widget_set_sensitive (options->animate_button, TRUE);
}
return TRUE;
}
static GeglBuffer *
gradient_precalc_shapeburst (GimpImage *image,
GimpDrawable *drawable,
const GeglRectangle *region,
gdouble dist,
GimpProgress *progress)
{
GimpChannel *mask;
GeglBuffer *dist_buffer;
GeglBuffer *temp_buffer;
GeglNode *shapeburst;
gimp_progress_set_text (progress, _("Calculating distance map"));
/* allocate the distance map */
dist_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y float"));
/* allocate the selection mask copy
*/
temp_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y float"));
mask = gimp_image_get_mask (image);
/* If the image mask is not empty, use it as the shape burst source */
if (! gimp_channel_is_empty (mask))
{
gint x, y, width, height;
gint off_x, off_y;
gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height);
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
/* copy the mask to the temp mask */
gegl_buffer_copy (gimp_drawable_get_buffer (GIMP_DRAWABLE (mask)),
GEGL_RECTANGLE (x + off_x, y + off_y, width, height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
}
else
{
/* If the intended drawable has an alpha channel, use that */
if (gimp_drawable_has_alpha (drawable))
{
const Babl *component_format;
component_format = babl_format ("A float");
/* extract the aplha into the temp mask */
gegl_buffer_set_format (temp_buffer, component_format);
gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (region->x, region->y,
region->width, region->height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
gegl_buffer_set_format (temp_buffer, NULL);
}
else
{
GeglColor *white = gegl_color_new ("white");
/* Otherwise, just fill the shapeburst to white */
gegl_buffer_set_color (temp_buffer, NULL, white);
g_object_unref (white);
}
}
shapeburst = gegl_node_new_child (NULL,
"operation", "gimp:shapeburst",
"normalize", TRUE,
NULL);
gimp_gegl_progress_connect (shapeburst, progress, NULL);
gimp_gegl_apply_operation (temp_buffer, NULL, NULL,
shapeburst,
dist_buffer, NULL);
g_object_unref (shapeburst);
g_object_unref (temp_buffer);
return dist_buffer;
}
gboolean
gimp_edit_fill_full (GimpImage *image,
GimpDrawable *drawable,
const GimpRGB *color,
GimpPattern *pattern,
gdouble opacity,
GimpLayerModeEffects paint_mode,
const gchar *undo_desc)
{
GeglBuffer *dest_buffer;
const Babl *format;
gint x, y, width, height;
g_return_val_if_fail (GIMP_IS_IMAGE (image), 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 (color != NULL || pattern != NULL, FALSE);
if (! gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height))
return TRUE; /* nothing to do, but the fill succeeded */
if (pattern &&
babl_format_has_alpha (gimp_temp_buf_get_format (pattern->mask)) &&
! gimp_drawable_has_alpha (drawable))
{
format = gimp_drawable_get_format_with_alpha (drawable);
}
else
{
format = gimp_drawable_get_format (drawable);
}
dest_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
format);
if (pattern)
{
GeglBuffer *src_buffer = gimp_pattern_create_buffer (pattern);
gegl_buffer_set_pattern (dest_buffer, NULL, src_buffer, 0, 0);
g_object_unref (src_buffer);
}
else
{
GeglColor *gegl_color = gimp_gegl_color_new (color);
gegl_buffer_set_color (dest_buffer, NULL, gegl_color);
g_object_unref (gegl_color);
}
gimp_drawable_apply_buffer (drawable, dest_buffer,
GEGL_RECTANGLE (0, 0, width, height),
TRUE, undo_desc,
opacity, paint_mode,
NULL, x, y);
g_object_unref (dest_buffer);
gimp_drawable_update (drawable, x, y, width, height);
return TRUE;
}
static GeglBuffer *
gradient_precalc_shapeburst (GimpImage *image,
GimpDrawable *drawable,
const GeglRectangle *region,
gdouble dist,
GimpProgress *progress)
{
GimpChannel *mask;
GeglBuffer *dist_buffer;
GeglBuffer *temp_buffer;
GeglNode *shapeburst;
gdouble max;
gfloat max_iteration;
gimp_progress_set_text (progress, _("Calculating distance map"));
/* allocate the distance map */
dist_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y float"));
/* allocate the selection mask copy
* XXX: its format should be the same of gimp:shapeburst input buffer
* porting the op to 'float' should be reflected here as well
*/
temp_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0,
region->width, region->height),
babl_format ("Y u8"));
mask = gimp_image_get_mask (image);
/* If the image mask is not empty, use it as the shape burst source */
if (! gimp_channel_is_empty (mask))
{
gint x, y, width, height;
gint off_x, off_y;
gimp_item_mask_intersect (GIMP_ITEM (drawable), &x, &y, &width, &height);
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
/* copy the mask to the temp mask */
gegl_buffer_copy (gimp_drawable_get_buffer (GIMP_DRAWABLE (mask)),
GEGL_RECTANGLE (x + off_x, y + off_y, width, height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
}
else
{
/* If the intended drawable has an alpha channel, use that */
if (gimp_drawable_has_alpha (drawable))
{
const Babl *component_format;
component_format = babl_format ("A u8");
/* extract the aplha into the temp mask */
gegl_buffer_set_format (temp_buffer, component_format);
gegl_buffer_copy (gimp_drawable_get_buffer (drawable),
GEGL_RECTANGLE (region->x, region->y,
region->width, region->height),
temp_buffer,
GEGL_RECTANGLE (0, 0, 0, 0));
gegl_buffer_set_format (temp_buffer, NULL);
}
else
{
GeglColor *white = gegl_color_new ("white");
/* Otherwise, just fill the shapeburst to white */
gegl_buffer_set_color (temp_buffer, NULL, white);
g_object_unref (white);
}
}
shapeburst = gegl_node_new_child (NULL,
"operation", "gimp:shapeburst",
NULL);
gimp_gegl_progress_connect (shapeburst, progress, NULL);
gimp_gegl_apply_operation (temp_buffer, NULL, NULL,
shapeburst,
dist_buffer, NULL);
gegl_node_get (shapeburst, "max-iterations", &max, NULL);
g_object_unref (shapeburst);
max_iteration = max;
g_object_unref (temp_buffer);
/* normalize the shapeburst with the max iteration */
if (max_iteration > 0)
{
GeglBufferIterator *iter;
iter = gegl_buffer_iterator_new (dist_buffer, NULL, 0, NULL,
GEGL_BUFFER_READWRITE, GEGL_ABYSS_NONE);
while (gegl_buffer_iterator_next (iter))
{
gint count = iter->length;
gfloat *data = iter->data[0];
while (count--)
*data++ /= max_iteration;
}
}
return dist_buffer;
}
void
gimp_edit_get_paste_offset (GimpImage *image,
GimpDrawable *drawable,
GimpObject *paste,
gint viewport_x,
gint viewport_y,
gint viewport_width,
gint viewport_height,
gint *offset_x,
gint *offset_y)
{
gint image_width;
gint image_height;
gint width;
gint height;
gboolean clamp_to_image = TRUE;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable));
g_return_if_fail (drawable == NULL ||
gimp_item_is_attached (GIMP_ITEM (drawable)));
g_return_if_fail (GIMP_IS_VIEWABLE (paste));
g_return_if_fail (offset_x != NULL);
g_return_if_fail (offset_y != NULL);
image_width = gimp_image_get_width (image);
image_height = gimp_image_get_height (image);
gimp_viewable_get_size (GIMP_VIEWABLE (paste), &width, &height);
if (viewport_width == image_width &&
viewport_height == image_height)
{
/* if the whole image is visible, act as if there was no viewport */
viewport_x = 0;
viewport_y = 0;
viewport_width = 0;
viewport_height = 0;
}
if (drawable)
{
/* if pasting to a drawable */
GimpContainer *children;
gint off_x, off_y;
gint target_x, target_y;
gint target_width, target_height;
gint paste_x, paste_y;
gint paste_width, paste_height;
gboolean have_mask;
have_mask = ! gimp_channel_is_empty (gimp_image_get_mask (image));
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
children = gimp_viewable_get_children (GIMP_VIEWABLE (drawable));
if (children && gimp_container_get_n_children (children) == 0)
{
/* treat empty layer groups as image-sized, use the selection
* as target
*/
gimp_item_bounds (GIMP_ITEM (gimp_image_get_mask (image)),
&target_x, &target_y,
&target_width, &target_height);
}
else
{
gimp_item_mask_intersect (GIMP_ITEM (drawable),
&target_x, &target_y,
&target_width, &target_height);
}
if (! have_mask && /* if we have no mask */
viewport_width > 0 && /* and we have a viewport */
viewport_height > 0 &&
(width < target_width || /* and the paste is smaller than the target */
height < target_height) &&
/* and the viewport intersects with the target */
gimp_rectangle_intersect (viewport_x, viewport_y,
viewport_width, viewport_height,
off_x, off_y, /* target_x,y are 0 */
target_width, target_height,
&paste_x, &paste_y,
&paste_width, &paste_height))
{
/* center on the viewport */
*offset_x = paste_x + (paste_width - width) / 2;
*offset_y = paste_y + (paste_height- height) / 2;
}
else
{
/* otherwise center on the target */
*offset_x = off_x + target_x + (target_width - width) / 2;
*offset_y = off_y + target_y + (target_height - height) / 2;
/* and keep it that way */
clamp_to_image = FALSE;
}
}
else if (viewport_width > 0 && /* if we have a viewport */
viewport_height > 0 &&
(width < image_width || /* and the paste is */
height < image_height)) /* smaller than the image */
{
/* center on the viewport */
*offset_x = viewport_x + (viewport_width - width) / 2;
*offset_y = viewport_y + (viewport_height - height) / 2;
}
else
{
/* otherwise center on the image */
*offset_x = (image_width - width) / 2;
*offset_y = (image_height - height) / 2;
/* and keep it that way */
clamp_to_image = FALSE;
}
if (clamp_to_image)
{
/* Ensure that the pasted layer is always within the image, if it
* fits and aligned at top left if it doesn't. (See bug #142944).
*/
*offset_x = MIN (*offset_x, image_width - width);
*offset_y = MIN (*offset_y, image_height - height);
*offset_x = MAX (*offset_x, 0);
*offset_y = MAX (*offset_y, 0);
}
}
