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gimp/app/tools/gimpbucketfilltool.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gegl.h>
#include <gtk/gtk.h>
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "core/gimp.h"
#include "core/gimpasync.h"
#include "core/gimpcancelable.h"
#include "core/gimpcontainer.h"
#include "core/gimpdrawable-bucket-fill.h"
#include "core/gimpdrawable-edit.h"
#include "core/gimpdrawablefilter.h"
#include "core/gimperror.h"
#include "core/gimpfilloptions.h"
#include "core/gimpimage.h"
#include "core/gimpitem.h"
#include "core/gimplineart.h"
#include "core/gimppickable.h"
#include "core/gimppickable-contiguous-region.h"
#include "core/gimpprogress.h"
#include "core/gimpprojection.h"
#include "core/gimptoolinfo.h"
#include "core/gimpwaitable.h"
#include "gegl/gimp-gegl-nodes.h"
#include "operations/layer-modes/gimp-layer-modes.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpwidgets-utils.h"
#include "display/gimpdisplay.h"
#include "gimpbucketfilloptions.h"
#include "gimpbucketfilltool.h"
#include "gimpcoloroptions.h"
#include "gimptoolcontrol.h"
#include "gimptools-utils.h"
#include "gimp-intl.h"
struct _GimpBucketFillToolPrivate
{
GimpLineArt *line_art;
GimpImage *line_art_image;
/* For preview */
GeglNode *graph;
GeglNode *fill_node;
GeglNode *offset_node;
GeglBuffer *fill_mask;
GimpDrawableFilter *filter;
/* Temp property save */
GimpBucketFillMode fill_mode;
GimpBucketFillArea fill_area;
};
/* local function prototypes */
static void gimp_bucket_fill_tool_constructed (GObject *object);
static void gimp_bucket_fill_tool_finalize (GObject *object);
static void gimp_bucket_fill_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display);
static void gimp_bucket_fill_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display);
static void gimp_bucket_fill_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display);
static void gimp_bucket_fill_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display);
static void gimp_bucket_fill_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display);
static void gimp_bucket_fill_tool_options_notify (GimpTool *tool,
GimpToolOptions *options,
const GParamSpec *pspec);
static void gimp_bucket_fill_tool_start (GimpBucketFillTool *tool,
const GimpCoords *coords,
GimpDisplay *display);
static void gimp_bucket_fill_tool_preview (GimpBucketFillTool *tool,
const GimpCoords *coords,
GimpDisplay *display,
GimpFillOptions *fill_options);
static void gimp_bucket_fill_tool_commit (GimpBucketFillTool *tool);
static void gimp_bucket_fill_tool_halt (GimpBucketFillTool *tool);
static void gimp_bucket_fill_tool_filter_flush (GimpDrawableFilter *filter,
GimpTool *tool);
static void gimp_bucket_fill_tool_create_graph (GimpBucketFillTool *tool);
static void gimp_bucket_fill_tool_reset_line_art (GimpBucketFillTool *tool);
G_DEFINE_TYPE_WITH_PRIVATE (GimpBucketFillTool, gimp_bucket_fill_tool,
GIMP_TYPE_COLOR_TOOL)
#define parent_class gimp_bucket_fill_tool_parent_class
void
gimp_bucket_fill_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_BUCKET_FILL_TOOL,
GIMP_TYPE_BUCKET_FILL_OPTIONS,
gimp_bucket_fill_options_gui,
GIMP_CONTEXT_PROP_MASK_FOREGROUND |
GIMP_CONTEXT_PROP_MASK_BACKGROUND |
GIMP_CONTEXT_PROP_MASK_OPACITY |
GIMP_CONTEXT_PROP_MASK_PAINT_MODE |
GIMP_CONTEXT_PROP_MASK_PATTERN,
"gimp-bucket-fill-tool",
_("Bucket Fill"),
_("Bucket Fill Tool: Fill selected area with a color or pattern"),
N_("_Bucket Fill"), "<shift>B",
NULL, GIMP_HELP_TOOL_BUCKET_FILL,
GIMP_ICON_TOOL_BUCKET_FILL,
data);
}
static void
gimp_bucket_fill_tool_class_init (GimpBucketFillToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
object_class->constructed = gimp_bucket_fill_tool_constructed;
object_class->finalize = gimp_bucket_fill_tool_finalize;
tool_class->button_press = gimp_bucket_fill_tool_button_press;
tool_class->motion = gimp_bucket_fill_tool_motion;
tool_class->button_release = gimp_bucket_fill_tool_button_release;
tool_class->modifier_key = gimp_bucket_fill_tool_modifier_key;
tool_class->cursor_update = gimp_bucket_fill_tool_cursor_update;
tool_class->options_notify = gimp_bucket_fill_tool_options_notify;
}
static void
gimp_bucket_fill_tool_init (GimpBucketFillTool *bucket_fill_tool)
{
GimpTool *tool = GIMP_TOOL (bucket_fill_tool);
gimp_tool_control_set_scroll_lock (tool->control, TRUE);
gimp_tool_control_set_wants_click (tool->control, TRUE);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_BUCKET_FILL);
gimp_tool_control_set_action_opacity (tool->control,
"context/context-opacity-set");
gimp_tool_control_set_action_object_1 (tool->control,
"context/context-pattern-select-set");
bucket_fill_tool->priv =
gimp_bucket_fill_tool_get_instance_private (bucket_fill_tool);
}
static void
gimp_bucket_fill_tool_constructed (GObject *object)
{
GimpTool *tool = GIMP_TOOL (object);
GimpBucketFillTool *bucket_tool = GIMP_BUCKET_FILL_TOOL (object);
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
Gimp *gimp = GIMP_CONTEXT (options)->gimp;
GimpContext *context = gimp_get_user_context (gimp);
GimpLineArt *line_art;
G_OBJECT_CLASS (parent_class)->constructed (object);
gimp_tool_control_set_motion_mode (tool->control,
options->fill_area == GIMP_BUCKET_FILL_LINE_ART ?
GIMP_MOTION_MODE_EXACT : GIMP_MOTION_MODE_COMPRESS);
line_art = gimp_line_art_new ();
g_object_bind_property (options, "fill-transparent",
line_art, "select-transparent",
G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
g_object_bind_property (options, "line-art-threshold",
line_art, "threshold",
G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
g_object_bind_property (options, "line-art-max-grow",
line_art, "max-grow",
G_BINDING_SYNC_CREATE | G_BINDING_BIDIRECTIONAL);
g_object_bind_property (options, "line-art-max-gap-length",
line_art, "spline-max-length",
G_BINDING_SYNC_CREATE | G_BINDING_DEFAULT);
g_object_bind_property (options, "line-art-max-gap-length",
line_art, "segment-max-length",
G_BINDING_SYNC_CREATE | G_BINDING_DEFAULT);
bucket_tool->priv->line_art = line_art;
gimp_bucket_fill_tool_reset_line_art (bucket_tool);
g_signal_connect_swapped (options, "notify::line-art-source",
G_CALLBACK (gimp_bucket_fill_tool_reset_line_art),
tool);
g_signal_connect_swapped (context, "image-changed",
G_CALLBACK (gimp_bucket_fill_tool_reset_line_art),
tool);
GIMP_COLOR_TOOL (tool)->pick_target =
(options->fill_mode == GIMP_BUCKET_FILL_BG) ?
GIMP_COLOR_PICK_TARGET_BACKGROUND : GIMP_COLOR_PICK_TARGET_FOREGROUND;
}
static void
gimp_bucket_fill_tool_finalize (GObject *object)
{
GimpBucketFillTool *tool = GIMP_BUCKET_FILL_TOOL (object);
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
Gimp *gimp = GIMP_CONTEXT (options)->gimp;
GimpContext *context = gimp_get_user_context (gimp);
if (tool->priv->line_art_image)
{
g_signal_handlers_disconnect_by_data (gimp_image_get_layers (tool->priv->line_art_image), tool);
g_signal_handlers_disconnect_by_data (tool->priv->line_art_image, tool);
tool->priv->line_art_image = NULL;
}
g_clear_object (&tool->priv->line_art);
g_signal_handlers_disconnect_by_data (options, tool);
g_signal_handlers_disconnect_by_data (context, tool);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gimp_bucket_fill_tool_start (GimpBucketFillTool *tool,
const GimpCoords *coords,
GimpDisplay *display)
{
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
GimpContext *context = GIMP_CONTEXT (options);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
g_return_if_fail (! tool->priv->filter);
gimp_line_art_freeze (tool->priv->line_art);
GIMP_TOOL (tool)->display = display;
GIMP_TOOL (tool)->drawable = drawable;
gimp_bucket_fill_tool_create_graph (tool);
tool->priv->filter = gimp_drawable_filter_new (drawable, _("Bucket fill"),
tool->priv->graph,
GIMP_ICON_TOOL_BUCKET_FILL);
gimp_drawable_filter_set_region (tool->priv->filter,
GIMP_FILTER_REGION_DRAWABLE);
/* We only set these here, and don't need to update it since we assume
* the settings can't change while the fill started.
*/
gimp_drawable_filter_set_mode (tool->priv->filter,
gimp_context_get_paint_mode (context),
GIMP_LAYER_COLOR_SPACE_AUTO,
GIMP_LAYER_COLOR_SPACE_AUTO,
gimp_layer_mode_get_paint_composite_mode (gimp_context_get_paint_mode (context)));
gimp_drawable_filter_set_opacity (tool->priv->filter,
gimp_context_get_opacity (context));
g_signal_connect (tool->priv->filter, "flush",
G_CALLBACK (gimp_bucket_fill_tool_filter_flush),
tool);
}
static void
gimp_bucket_fill_tool_preview (GimpBucketFillTool *tool,
const GimpCoords *coords,
GimpDisplay *display,
GimpFillOptions *fill_options)
{
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (tool->priv->filter)
{
GeglBuffer *fill = NULL;
gdouble x = coords->x;
gdouble y = coords->y;
if (options->fill_area == GIMP_BUCKET_FILL_SIMILAR_COLORS)
{
if (! options->sample_merged)
{
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x -= (gdouble) off_x;
y -= (gdouble) off_y;
}
fill = gimp_drawable_get_bucket_fill_buffer (drawable,
fill_options,
options->fill_transparent,
options->fill_criterion,
options->threshold / 255.0,
options->sample_merged,
options->diagonal_neighbors,
x, y,
&tool->priv->fill_mask,
&x, &y, NULL, NULL);
}
else
{
if (options->line_art_source != GIMP_LINE_ART_SOURCE_SAMPLE_MERGED)
{
gint off_x, off_y;
gimp_item_get_offset (GIMP_ITEM (drawable), &off_x, &off_y);
x -= (gdouble) off_x;
y -= (gdouble) off_y;
}
fill = gimp_drawable_get_line_art_fill_buffer (drawable,
tool->priv->line_art,
fill_options,
options->line_art_source ==
GIMP_LINE_ART_SOURCE_SAMPLE_MERGED,
x, y,
&tool->priv->fill_mask,
&x, &y, NULL, NULL);
}
if (fill)
{
gegl_node_set (tool->priv->fill_node,
"buffer", fill,
NULL);
gegl_node_set (tool->priv->offset_node,
"x", x,
"y", y,
NULL);
gimp_drawable_filter_apply (tool->priv->filter, NULL);
g_object_unref (fill);
}
}
}
static void
gimp_bucket_fill_tool_commit (GimpBucketFillTool *tool)
{
if (tool->priv->filter)
{
gimp_drawable_filter_commit (tool->priv->filter,
GIMP_PROGRESS (tool), FALSE);
gimp_image_flush (gimp_display_get_image (GIMP_TOOL (tool)->display));
}
}
static void
gimp_bucket_fill_tool_halt (GimpBucketFillTool *tool)
{
if (tool->priv->graph)
{
g_clear_object (&tool->priv->graph);
tool->priv->fill_node = NULL;
tool->priv->offset_node = NULL;
}
if (tool->priv->filter)
{
gimp_drawable_filter_abort (tool->priv->filter);
g_clear_object (&tool->priv->filter);
}
g_clear_object (&tool->priv->fill_mask);
gimp_line_art_thaw (tool->priv->line_art);
GIMP_TOOL (tool)->display = NULL;
GIMP_TOOL (tool)->drawable = NULL;
}
static void
gimp_bucket_fill_tool_filter_flush (GimpDrawableFilter *filter,
GimpTool *tool)
{
GimpImage *image = gimp_display_get_image (tool->display);
gimp_projection_flush (gimp_image_get_projection (image));
}
static void
gimp_bucket_fill_tool_create_graph (GimpBucketFillTool *tool)
{
GeglNode *graph;
GeglNode *output;
GeglNode *fill_node;
GeglNode *offset_node;
g_return_if_fail (! tool->priv->graph &&
! tool->priv->fill_node &&
! tool->priv->offset_node);
graph = gegl_node_new ();
fill_node = gegl_node_new_child (graph,
"operation", "gegl:buffer-source",
NULL);
offset_node = gegl_node_new_child (graph,
"operation", "gegl:translate",
NULL);
output = gegl_node_get_output_proxy (graph, "output");
gegl_node_link_many (fill_node, offset_node, output, NULL);
tool->priv->graph = graph;
tool->priv->fill_node = fill_node;
tool->priv->offset_node = offset_node;
}
static void
gimp_bucket_fill_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpBucketFillTool *bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
GimpImage *image = gimp_display_get_image (display);
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
gboolean sample_merged;
if (gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
{
GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
press_type, display);
return;
}
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
{
gimp_tool_message_literal (tool, display,
_("Cannot modify the pixels of layer groups."));
return;
}
if (! gimp_item_is_visible (GIMP_ITEM (drawable)))
{
gimp_tool_message_literal (tool, display,
_("The active layer is not visible."));
return;
}
if (gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
gimp_tool_message_literal (tool, display,
_("The active layer's pixels are locked."));
gimp_tools_blink_lock_box (display->gimp, GIMP_ITEM (drawable));
return;
}
if (options->fill_area == GIMP_BUCKET_FILL_LINE_ART &&
! gimp_line_art_get_input (bucket_tool->priv->line_art))
{
gimp_tool_message_literal (tool, display,
_("No valid line art source selected."));
return;
}
sample_merged = (options->fill_area == GIMP_BUCKET_FILL_LINE_ART ?
options->line_art_source == GIMP_LINE_ART_SOURCE_SAMPLE_MERGED :
options->sample_merged);
if (press_type == GIMP_BUTTON_PRESS_NORMAL &&
gimp_image_coords_in_active_pickable (image, coords, sample_merged, TRUE))
{
GimpContext *context = GIMP_CONTEXT (options);
GimpFillOptions *fill_options;
GError *error = NULL;
fill_options = gimp_fill_options_new (image->gimp, NULL, FALSE);
if (gimp_fill_options_set_by_fill_mode (fill_options, context,
options->fill_mode,
&error))
{
gimp_fill_options_set_antialias (fill_options, options->antialias);
gimp_context_set_opacity (GIMP_CONTEXT (fill_options),
gimp_context_get_opacity (context));
gimp_context_set_paint_mode (GIMP_CONTEXT (fill_options),
gimp_context_get_paint_mode (context));
if (options->fill_area == GIMP_BUCKET_FILL_SELECTION)
{
gimp_drawable_edit_fill (drawable, fill_options, NULL);
gimp_image_flush (image);
}
else /* GIMP_BUCKET_FILL_SIMILAR_COLORS || GIMP_BUCKET_FILL_LINE_ART */
{
gimp_bucket_fill_tool_start (bucket_tool, coords, display);
gimp_bucket_fill_tool_preview (bucket_tool, coords, display,
fill_options);
}
}
else
{
gimp_message_literal (display->gimp, G_OBJECT (display),
GIMP_MESSAGE_WARNING, error->message);
g_clear_error (&error);
}
g_object_unref (fill_options);
}
GIMP_TOOL_CLASS (parent_class)->button_press (tool, coords, time, state,
press_type, display);
}
static void
gimp_bucket_fill_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpBucketFillTool *bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
GimpImage *image = gimp_display_get_image (display);
gboolean sample_merged;
GIMP_TOOL_CLASS (parent_class)->motion (tool, coords, time, state, display);
if (gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
return;
sample_merged = (options->fill_area == GIMP_BUCKET_FILL_LINE_ART ?
options->line_art_source == GIMP_LINE_ART_SOURCE_SAMPLE_MERGED :
options->sample_merged);
if (gimp_image_coords_in_active_pickable (image, coords, sample_merged, TRUE) &&
/* Fill selection only needs to happen once. */
options->fill_area != GIMP_BUCKET_FILL_SELECTION)
{
GimpContext *context = GIMP_CONTEXT (options);
GimpFillOptions *fill_options;
GError *error = NULL;
fill_options = gimp_fill_options_new (image->gimp, NULL, FALSE);
if (gimp_fill_options_set_by_fill_mode (fill_options, context,
options->fill_mode,
&error))
{
gimp_fill_options_set_antialias (fill_options, options->antialias);
gimp_context_set_opacity (GIMP_CONTEXT (fill_options),
gimp_context_get_opacity (context));
gimp_context_set_paint_mode (GIMP_CONTEXT (fill_options),
gimp_context_get_paint_mode (context));
gimp_bucket_fill_tool_preview (bucket_tool, coords, display,
fill_options);
}
else
{
gimp_message_literal (display->gimp, G_OBJECT (display),
GIMP_MESSAGE_WARNING, error->message);
g_clear_error (&error);
}
g_object_unref (fill_options);
}
}
static void
gimp_bucket_fill_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display)
{
GimpBucketFillTool *bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
if (gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
{
GIMP_TOOL_CLASS (parent_class)->button_release (tool, coords, time,
state, release_type,
display);
return;
}
if (release_type != GIMP_BUTTON_RELEASE_CANCEL)
gimp_bucket_fill_tool_commit (bucket_tool);
if (options->fill_area != GIMP_BUCKET_FILL_SELECTION)
gimp_bucket_fill_tool_halt (bucket_tool);
GIMP_TOOL_CLASS (parent_class)->button_release (tool, coords, time, state,
release_type, display);
}
static void
gimp_bucket_fill_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display)
{
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
if (key == GDK_MOD1_MASK)
{
if (press)
{
GIMP_BUCKET_FILL_TOOL (tool)->priv->fill_mode = options->fill_mode;
switch (options->fill_mode)
{
case GIMP_BUCKET_FILL_FG:
g_object_set (options, "fill-mode", GIMP_BUCKET_FILL_BG, NULL);
break;
default:
/* GIMP_BUCKET_FILL_BG || GIMP_BUCKET_FILL_PATTERN */
g_object_set (options, "fill-mode", GIMP_BUCKET_FILL_FG, NULL);
break;
break;
}
}
else /* release */
{
g_object_set (options, "fill-mode",
GIMP_BUCKET_FILL_TOOL (tool)->priv->fill_mode,
NULL);
}
}
else if (key == gimp_get_toggle_behavior_mask ())
{
GimpToolInfo *info = gimp_get_tool_info (display->gimp,
"gimp-color-picker-tool");
if (! gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
{
switch (GIMP_COLOR_TOOL (tool)->pick_target)
{
case GIMP_COLOR_PICK_TARGET_BACKGROUND:
gimp_tool_push_status (tool, display,
_("Click in any image to pick the "
"background color"));
break;
case GIMP_COLOR_PICK_TARGET_FOREGROUND:
default:
gimp_tool_push_status (tool, display,
_("Click in any image to pick the "
"foreground color"));
break;
}
GIMP_TOOL (tool)->display = display;
gimp_color_tool_enable (GIMP_COLOR_TOOL (tool),
GIMP_COLOR_OPTIONS (info->tool_options));
}
else
{
gimp_tool_pop_status (tool, display);
gimp_color_tool_disable (GIMP_COLOR_TOOL (tool));
GIMP_TOOL (tool)->display = NULL;
}
}
else if (key == gimp_get_extend_selection_mask ())
{
if (press)
{
GIMP_BUCKET_FILL_TOOL (tool)->priv->fill_area = options->fill_area;
switch (options->fill_area)
{
case GIMP_BUCKET_FILL_SIMILAR_COLORS:
g_object_set (options,
"fill-area", GIMP_BUCKET_FILL_SELECTION,
NULL);
break;
default:
/* GIMP_BUCKET_FILL_SELECTION || GIMP_BUCKET_FILL_LINE_ART */
g_object_set (options,
"fill-area", GIMP_BUCKET_FILL_SIMILAR_COLORS,
NULL);
break;
}
}
else /* release */
{
g_object_set (options, "fill-area",
GIMP_BUCKET_FILL_TOOL (tool)->priv->fill_area,
NULL);
}
}
}
static void
gimp_bucket_fill_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
GimpCursorModifier modifier = GIMP_CURSOR_MODIFIER_BAD;
GimpImage *image = gimp_display_get_image (display);
gboolean sample_merged;
sample_merged = (options->fill_area == GIMP_BUCKET_FILL_LINE_ART ?
options->line_art_source == GIMP_LINE_ART_SOURCE_SAMPLE_MERGED :
options->sample_merged);
if (gimp_image_coords_in_active_pickable (image, coords, sample_merged, TRUE))
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (! gimp_viewable_get_children (GIMP_VIEWABLE (drawable)) &&
! gimp_item_is_content_locked (GIMP_ITEM (drawable)) &&
gimp_item_is_visible (GIMP_ITEM (drawable)))
{
switch (options->fill_mode)
{
case GIMP_BUCKET_FILL_FG:
modifier = GIMP_CURSOR_MODIFIER_FOREGROUND;
break;
case GIMP_BUCKET_FILL_BG:
modifier = GIMP_CURSOR_MODIFIER_BACKGROUND;
break;
case GIMP_BUCKET_FILL_PATTERN:
modifier = GIMP_CURSOR_MODIFIER_PATTERN;
break;
}
}
}
gimp_tool_control_set_cursor_modifier (tool->control, modifier);
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
}
static void
gimp_bucket_fill_tool_options_notify (GimpTool *tool,
GimpToolOptions *options,
const GParamSpec *pspec)
{
GimpBucketFillTool *bucket_tool = GIMP_BUCKET_FILL_TOOL (tool);
GimpBucketFillOptions *bucket_options = GIMP_BUCKET_FILL_OPTIONS (options);
GIMP_TOOL_CLASS (parent_class)->options_notify (tool, options, pspec);
if (! strcmp (pspec->name, "fill-area"))
/* We want more motion events when the tool is used in a paint tool
* fashion. Unfortunately we only set exact mode in line art fill,
* because we can't as easily remove events from the similar color
* mode just because a point has already been selected (unless
* threshold were 0, but that's an edge case).
*/
gimp_tool_control_set_motion_mode (tool->control,
bucket_options->fill_area == GIMP_BUCKET_FILL_LINE_ART ?
GIMP_MOTION_MODE_EXACT : GIMP_MOTION_MODE_COMPRESS);
if (! strcmp (pspec->name, "fill-area") ||
! strcmp (pspec->name, "sample-merged"))
{
gimp_bucket_fill_tool_reset_line_art (bucket_tool);
}
else if (! strcmp (pspec->name, "fill-mode"))
{
if (gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
gimp_tool_pop_status (tool, tool->display);
switch (bucket_options->fill_mode)
{
case GIMP_BUCKET_FILL_BG:
GIMP_COLOR_TOOL (tool)->pick_target = GIMP_COLOR_PICK_TARGET_BACKGROUND;
if (gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
gimp_tool_push_status (tool, tool->display,
_("Click in any image to pick the "
"background color"));
break;
case GIMP_BUCKET_FILL_FG:
default:
GIMP_COLOR_TOOL (tool)->pick_target = GIMP_COLOR_PICK_TARGET_FOREGROUND;
if (gimp_color_tool_is_enabled (GIMP_COLOR_TOOL (tool)))
gimp_tool_push_status (tool, tool->display,
_("Click in any image to pick the "
"foreground color"));
break;
}
}
}
static void
gimp_bucket_fill_tool_reset_line_art (GimpBucketFillTool *tool)
{
GimpBucketFillOptions *options = GIMP_BUCKET_FILL_TOOL_GET_OPTIONS (tool);
GimpLineArt *line_art = tool->priv->line_art;
GimpImage *image = NULL;
if (options && options->fill_area == GIMP_BUCKET_FILL_LINE_ART)
{
GimpContext *context;
context = gimp_get_user_context (GIMP_CONTEXT (options)->gimp);
image = gimp_context_get_image (context);
}
if (image != tool->priv->line_art_image)
{
if (tool->priv->line_art_image)
{
g_signal_handlers_disconnect_by_data (gimp_image_get_layers (tool->priv->line_art_image), tool);
g_signal_handlers_disconnect_by_data (tool->priv->line_art_image, tool);
}
tool->priv->line_art_image = image;
if (image)
{
g_signal_connect_swapped (image, "active-layer-changed",
G_CALLBACK (gimp_bucket_fill_tool_reset_line_art),
tool);
g_signal_connect_swapped (image, "active-channel-changed",
G_CALLBACK (gimp_bucket_fill_tool_reset_line_art),
tool);
g_signal_connect_swapped (gimp_image_get_layers (image), "add",
G_CALLBACK (gimp_bucket_fill_tool_reset_line_art),
tool);
g_signal_connect_swapped (gimp_image_get_layers (image), "remove",
G_CALLBACK (gimp_bucket_fill_tool_reset_line_art),
tool);
g_signal_connect_swapped (gimp_image_get_layers (image), "reorder",
G_CALLBACK (gimp_bucket_fill_tool_reset_line_art),
tool);
}
}
if (image)
{
GimpDrawable *drawable = gimp_image_get_active_drawable (image);
if (gimp_viewable_get_children (GIMP_VIEWABLE (drawable)))
drawable = NULL;
if (options->line_art_source == GIMP_LINE_ART_SOURCE_SAMPLE_MERGED)
{
gimp_line_art_set_input (line_art, GIMP_PICKABLE (image));
}
else if (drawable)
{
GimpItem *parent;
GimpContainer *container;
GimpObject *neighbour = NULL;
GimpPickable *source = NULL;
gint index;
parent = gimp_item_get_parent (GIMP_ITEM (drawable));
if (parent)
container = gimp_viewable_get_children (GIMP_VIEWABLE (parent));
else
container = gimp_image_get_layers (image);
index = gimp_item_get_index (GIMP_ITEM (drawable));
if (options->line_art_source == GIMP_LINE_ART_SOURCE_ACTIVE_LAYER)
source = GIMP_PICKABLE (drawable);
else if (options->line_art_source == GIMP_LINE_ART_SOURCE_LOWER_LAYER)
neighbour = gimp_container_get_child_by_index (container, index + 1);
else if (options->line_art_source == GIMP_LINE_ART_SOURCE_UPPER_LAYER)
neighbour = gimp_container_get_child_by_index (container, index - 1);
source = neighbour ? GIMP_PICKABLE (neighbour) : source;
gimp_line_art_set_input (line_art, source);
}
else
{
gimp_line_art_set_input (line_art, NULL);
}
}
else
{
gimp_line_art_set_input (line_art, NULL);
}
}
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