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gimp/app/tools/gimpvectortool.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* Vector tool
* Copyright (C) 2003 Simon Budig <simon@gimp.org>
*
* 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 "libgimpconfig/gimpconfig.h"
#include "libgimpwidgets/gimpwidgets.h"
#include "tools-types.h"
#include "config/gimpdialogconfig.h"
#include "core/gimp.h"
#include "core/gimpimage.h"
#include "core/gimpimage-pick-item.h"
#include "core/gimpimage-undo.h"
#include "core/gimpimage-undo-push.h"
#include "core/gimptoolinfo.h"
#include "core/gimpundostack.h"
#include "paint/gimppaintoptions.h" /* GIMP_PAINT_OPTIONS_CONTEXT_MASK */
#include "vectors/gimpvectors.h"
#include "widgets/gimpdialogfactory.h"
#include "widgets/gimpdockcontainer.h"
#include "widgets/gimphelp-ids.h"
#include "widgets/gimpmenufactory.h"
#include "widgets/gimpuimanager.h"
#include "widgets/gimpwidgets-utils.h"
#include "display/gimpdisplay.h"
#include "display/gimpdisplayshell.h"
#include "display/gimptoolpath.h"
#include "gimptoolcontrol.h"
#include "gimpvectoroptions.h"
#include "gimpvectortool.h"
#include "dialogs/fill-dialog.h"
#include "dialogs/stroke-dialog.h"
#include "gimp-intl.h"
#define TOGGLE_MASK gimp_get_extend_selection_mask ()
#define MOVE_MASK GDK_MOD1_MASK
#define INSDEL_MASK gimp_get_toggle_behavior_mask ()
/* local function prototypes */
static void gimp_vector_tool_dispose (GObject *object);
static void gimp_vector_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display);
static void gimp_vector_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display);
static void gimp_vector_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display);
static void gimp_vector_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display);
static void gimp_vector_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display);
static void gimp_vector_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display);
static void gimp_vector_tool_start (GimpVectorTool *vector_tool,
GimpDisplay *display);
static void gimp_vector_tool_halt (GimpVectorTool *vector_tool);
static void gimp_vector_tool_path_changed (GimpToolWidget *path,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_path_begin_change
(GimpToolWidget *path,
const gchar *desc,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_path_end_change (GimpToolWidget *path,
gboolean success,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_path_activate (GimpToolWidget *path,
GdkModifierType state,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_vectors_changed (GimpImage *image,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_vectors_removed (GimpVectors *vectors,
GimpVectorTool *vector_tool);
static void gimp_vector_tool_to_selection (GimpVectorTool *vector_tool);
static void gimp_vector_tool_to_selection_extended
(GimpVectorTool *vector_tool,
GdkModifierType state);
static void gimp_vector_tool_fill_vectors (GimpVectorTool *vector_tool,
GtkWidget *button);
static void gimp_vector_tool_fill_callback (GtkWidget *dialog,
GList *items,
GList *drawables,
GimpContext *context,
GimpFillOptions *options,
gpointer data);
static void gimp_vector_tool_stroke_vectors (GimpVectorTool *vector_tool,
GtkWidget *button);
static void gimp_vector_tool_stroke_callback (GtkWidget *dialog,
GList *items,
GList *drawables,
GimpContext *context,
GimpStrokeOptions *options,
gpointer data);
G_DEFINE_TYPE (GimpVectorTool, gimp_vector_tool, GIMP_TYPE_DRAW_TOOL)
#define parent_class gimp_vector_tool_parent_class
void
gimp_vector_tool_register (GimpToolRegisterCallback callback,
gpointer data)
{
(* callback) (GIMP_TYPE_VECTOR_TOOL,
GIMP_TYPE_VECTOR_OPTIONS,
gimp_vector_options_gui,
GIMP_PAINT_OPTIONS_CONTEXT_MASK |
GIMP_CONTEXT_PROP_MASK_PATTERN |
GIMP_CONTEXT_PROP_MASK_GRADIENT, /* for stroking */
"gimp-vector-tool",
_("Paths"),
_("Paths Tool: Create and edit paths"),
N_("Pat_hs"), "b",
NULL, GIMP_HELP_TOOL_PATH,
GIMP_ICON_TOOL_PATH,
data);
}
static void
gimp_vector_tool_class_init (GimpVectorToolClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpToolClass *tool_class = GIMP_TOOL_CLASS (klass);
object_class->dispose = gimp_vector_tool_dispose;
tool_class->control = gimp_vector_tool_control;
tool_class->button_press = gimp_vector_tool_button_press;
tool_class->button_release = gimp_vector_tool_button_release;
tool_class->motion = gimp_vector_tool_motion;
tool_class->modifier_key = gimp_vector_tool_modifier_key;
tool_class->cursor_update = gimp_vector_tool_cursor_update;
}
static void
gimp_vector_tool_init (GimpVectorTool *vector_tool)
{
GimpTool *tool = GIMP_TOOL (vector_tool);
gimp_tool_control_set_handle_empty_image (tool->control, TRUE);
gimp_tool_control_set_precision (tool->control,
GIMP_CURSOR_PRECISION_SUBPIXEL);
gimp_tool_control_set_tool_cursor (tool->control,
GIMP_TOOL_CURSOR_PATHS);
vector_tool->saved_mode = GIMP_VECTOR_MODE_DESIGN;
}
static void
gimp_vector_tool_dispose (GObject *object)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (object);
gimp_vector_tool_set_vectors (vector_tool, NULL);
g_clear_object (&vector_tool->widget);
G_OBJECT_CLASS (parent_class)->dispose (object);
}
static void
gimp_vector_tool_control (GimpTool *tool,
GimpToolAction action,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
switch (action)
{
case GIMP_TOOL_ACTION_PAUSE:
case GIMP_TOOL_ACTION_RESUME:
break;
case GIMP_TOOL_ACTION_HALT:
gimp_vector_tool_halt (vector_tool);
break;
case GIMP_TOOL_ACTION_COMMIT:
break;
}
GIMP_TOOL_CLASS (parent_class)->control (tool, action, display);
}
static void
gimp_vector_tool_button_press (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonPressType press_type,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
if (tool->display && display != tool->display)
gimp_tool_control (tool, GIMP_TOOL_ACTION_HALT, tool->display);
if (! tool->display)
{
gimp_vector_tool_start (vector_tool, display);
gimp_tool_widget_hover (vector_tool->widget, coords, state, TRUE);
}
if (gimp_tool_widget_button_press (vector_tool->widget, coords, time, state,
press_type))
{
vector_tool->grab_widget = vector_tool->widget;
}
gimp_tool_control_activate (tool->control);
}
static void
gimp_vector_tool_button_release (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpButtonReleaseType release_type,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
gimp_tool_control_halt (tool->control);
if (vector_tool->grab_widget)
{
gimp_tool_widget_button_release (vector_tool->grab_widget,
coords, time, state, release_type);
vector_tool->grab_widget = NULL;
}
}
static void
gimp_vector_tool_motion (GimpTool *tool,
const GimpCoords *coords,
guint32 time,
GdkModifierType state,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
if (vector_tool->grab_widget)
{
gimp_tool_widget_motion (vector_tool->grab_widget, coords, time, state);
}
}
static void
gimp_vector_tool_modifier_key (GimpTool *tool,
GdkModifierType key,
gboolean press,
GdkModifierType state,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
if (key == TOGGLE_MASK)
return;
if (key == INSDEL_MASK || key == MOVE_MASK)
{
GimpVectorMode button_mode = options->edit_mode;
if (press)
{
if (key == (state & (INSDEL_MASK | MOVE_MASK)))
{
/* first modifier pressed */
vector_tool->saved_mode = options->edit_mode;
}
}
else
{
if (! (state & (INSDEL_MASK | MOVE_MASK)))
{
/* last modifier released */
button_mode = vector_tool->saved_mode;
}
}
if (state & MOVE_MASK)
{
button_mode = GIMP_VECTOR_MODE_MOVE;
}
else if (state & INSDEL_MASK)
{
button_mode = GIMP_VECTOR_MODE_EDIT;
}
if (button_mode != options->edit_mode)
{
g_object_set (options, "vectors-edit-mode", button_mode, NULL);
}
}
}
static void
gimp_vector_tool_cursor_update (GimpTool *tool,
const GimpCoords *coords,
GdkModifierType state,
GimpDisplay *display)
{
GimpVectorTool *vector_tool = GIMP_VECTOR_TOOL (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
if (display != tool->display || ! vector_tool->widget)
{
GimpToolCursorType tool_cursor = GIMP_TOOL_CURSOR_PATHS;
if (gimp_image_pick_vectors (gimp_display_get_image (display),
coords->x, coords->y,
FUNSCALEX (shell,
GIMP_TOOL_HANDLE_SIZE_CIRCLE / 2),
FUNSCALEY (shell,
GIMP_TOOL_HANDLE_SIZE_CIRCLE / 2)))
{
tool_cursor = GIMP_TOOL_CURSOR_HAND;
}
gimp_tool_control_set_tool_cursor (tool->control, tool_cursor);
}
GIMP_TOOL_CLASS (parent_class)->cursor_update (tool, coords, state, display);
}
static void
gimp_vector_tool_start (GimpVectorTool *vector_tool,
GimpDisplay *display)
{
GimpTool *tool = GIMP_TOOL (vector_tool);
GimpVectorOptions *options = GIMP_VECTOR_TOOL_GET_OPTIONS (tool);
GimpDisplayShell *shell = gimp_display_get_shell (display);
GimpToolWidget *widget;
tool->display = display;
vector_tool->widget = widget = gimp_tool_path_new (shell);
gimp_draw_tool_set_widget (GIMP_DRAW_TOOL (tool), widget);
g_object_bind_property (G_OBJECT (options), "vectors-edit-mode",
G_OBJECT (widget), "edit-mode",
G_BINDING_SYNC_CREATE |
G_BINDING_BIDIRECTIONAL);
g_object_bind_property (G_OBJECT (options), "vectors-polygonal",
G_OBJECT (widget), "polygonal",
G_BINDING_SYNC_CREATE |
G_BINDING_BIDIRECTIONAL);
gimp_tool_path_set_vectors (GIMP_TOOL_PATH (widget),
vector_tool->vectors);
g_signal_connect (widget, "changed",
G_CALLBACK (gimp_vector_tool_path_changed),
vector_tool);
g_signal_connect (widget, "begin-change",
G_CALLBACK (gimp_vector_tool_path_begin_change),
vector_tool);
g_signal_connect (widget, "end-change",
G_CALLBACK (gimp_vector_tool_path_end_change),
vector_tool);
g_signal_connect (widget, "activate",
G_CALLBACK (gimp_vector_tool_path_activate),
vector_tool);
gimp_draw_tool_start (GIMP_DRAW_TOOL (tool), display);
}
static void
gimp_vector_tool_halt (GimpVectorTool *vector_tool)
{
GimpTool *tool = GIMP_TOOL (vector_tool);
if (tool->display)
gimp_tool_pop_status (tool, tool->display);
gimp_vector_tool_set_vectors (vector_tool, NULL);
if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (tool)))
gimp_draw_tool_stop (GIMP_DRAW_TOOL (tool));
gimp_draw_tool_set_widget (GIMP_DRAW_TOOL (tool), NULL);
g_clear_object (&vector_tool->widget);
tool->display = NULL;
}
static void
gimp_vector_tool_path_changed (GimpToolWidget *path,
GimpVectorTool *vector_tool)
{
GimpDisplayShell *shell = gimp_tool_widget_get_shell (path);
GimpImage *image = gimp_display_get_image (shell->display);
GimpVectors *vectors;
g_object_get (path,
"vectors", &vectors,
NULL);
if (vectors != vector_tool->vectors)
{
if (vectors && ! gimp_item_is_attached (GIMP_ITEM (vectors)))
{
gimp_image_add_vectors (image, vectors,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_flush (image);
gimp_vector_tool_set_vectors (vector_tool, vectors);
}
else
{
gimp_vector_tool_set_vectors (vector_tool, vectors);
if (vectors)
{
GList *list = g_list_prepend (NULL, vectors);
gimp_image_set_selected_vectors (image, list);
g_list_free (list);
}
}
}
if (vectors)
g_object_unref (vectors);
}
static void
gimp_vector_tool_path_begin_change (GimpToolWidget *path,
const gchar *desc,
GimpVectorTool *vector_tool)
{
GimpDisplayShell *shell = gimp_tool_widget_get_shell (path);
GimpImage *image = gimp_display_get_image (shell->display);
gimp_image_undo_push_vectors_mod (image, desc, vector_tool->vectors);
}
static void
gimp_vector_tool_path_end_change (GimpToolWidget *path,
gboolean success,
GimpVectorTool *vector_tool)
{
GimpDisplayShell *shell = gimp_tool_widget_get_shell (path);
GimpImage *image = gimp_display_get_image (shell->display);
if (! success)
{
GimpUndo *undo;
GimpUndoAccumulator accum = { 0, };
undo = gimp_undo_stack_pop_undo (gimp_image_get_undo_stack (image),
GIMP_UNDO_MODE_UNDO, &accum);
gimp_image_undo_event (image, GIMP_UNDO_EVENT_UNDO_EXPIRED, undo);
gimp_undo_free (undo, GIMP_UNDO_MODE_UNDO);
g_object_unref (undo);
}
gimp_image_flush (image);
}
static void
gimp_vector_tool_path_activate (GimpToolWidget *path,
GdkModifierType state,
GimpVectorTool *vector_tool)
{
gimp_vector_tool_to_selection_extended (vector_tool, state);
}
static void
gimp_vector_tool_vectors_changed (GimpImage *image,
GimpVectorTool *vector_tool)
{
GimpVectors *vectors = NULL;
/* The vectors tool can only work on one path at a time. */
if (g_list_length (gimp_image_get_selected_vectors (image)) == 1)
vectors = gimp_image_get_selected_vectors (image)->data;
gimp_vector_tool_set_vectors (vector_tool, vectors);
}
static void
gimp_vector_tool_vectors_removed (GimpVectors *vectors,
GimpVectorTool *vector_tool)
{
gimp_vector_tool_set_vectors (vector_tool, NULL);
}
void
gimp_vector_tool_set_vectors (GimpVectorTool *vector_tool,
GimpVectors *vectors)
{
GimpTool *tool;
GimpItem *item = NULL;
GimpVectorOptions *options;
g_return_if_fail (GIMP_IS_VECTOR_TOOL (vector_tool));
g_return_if_fail (vectors == NULL || GIMP_IS_VECTORS (vectors));
tool = GIMP_TOOL (vector_tool);
options = GIMP_VECTOR_TOOL_GET_OPTIONS (vector_tool);
if (vectors)
item = GIMP_ITEM (vectors);
if (vectors == vector_tool->vectors)
return;
if (vector_tool->vectors)
{
GimpImage *old_image;
old_image = gimp_item_get_image (GIMP_ITEM (vector_tool->vectors));
g_signal_handlers_disconnect_by_func (old_image,
gimp_vector_tool_vectors_changed,
vector_tool);
g_signal_handlers_disconnect_by_func (vector_tool->vectors,
gimp_vector_tool_vectors_removed,
vector_tool);
g_clear_object (&vector_tool->vectors);
if (options->to_selection_button)
{
gtk_widget_set_sensitive (options->to_selection_button, FALSE);
g_signal_handlers_disconnect_by_func (options->to_selection_button,
gimp_vector_tool_to_selection,
tool);
g_signal_handlers_disconnect_by_func (options->to_selection_button,
gimp_vector_tool_to_selection_extended,
tool);
}
if (options->fill_button)
{
gtk_widget_set_sensitive (options->fill_button, FALSE);
g_signal_handlers_disconnect_by_func (options->fill_button,
gimp_vector_tool_fill_vectors,
tool);
}
if (options->stroke_button)
{
gtk_widget_set_sensitive (options->stroke_button, FALSE);
g_signal_handlers_disconnect_by_func (options->stroke_button,
gimp_vector_tool_stroke_vectors,
tool);
}
}
if (! vectors ||
(tool->display &&
gimp_display_get_image (tool->display) != gimp_item_get_image (item)))
{
gimp_vector_tool_halt (vector_tool);
}
if (! vectors)
return;
vector_tool->vectors = g_object_ref (vectors);
g_signal_connect_object (gimp_item_get_image (item), "selected-vectors-changed",
G_CALLBACK (gimp_vector_tool_vectors_changed),
vector_tool, 0);
g_signal_connect_object (vectors, "removed",
G_CALLBACK (gimp_vector_tool_vectors_removed),
vector_tool, 0);
if (options->to_selection_button)
{
g_signal_connect_swapped (options->to_selection_button, "clicked",
G_CALLBACK (gimp_vector_tool_to_selection),
tool);
g_signal_connect_swapped (options->to_selection_button, "extended-clicked",
G_CALLBACK (gimp_vector_tool_to_selection_extended),
tool);
gtk_widget_set_sensitive (options->to_selection_button, TRUE);
}
if (options->fill_button)
{
g_signal_connect_swapped (options->fill_button, "clicked",
G_CALLBACK (gimp_vector_tool_fill_vectors),
tool);
gtk_widget_set_sensitive (options->fill_button, TRUE);
}
if (options->stroke_button)
{
g_signal_connect_swapped (options->stroke_button, "clicked",
G_CALLBACK (gimp_vector_tool_stroke_vectors),
tool);
gtk_widget_set_sensitive (options->stroke_button, TRUE);
}
if (tool->display)
{
gimp_tool_path_set_vectors (GIMP_TOOL_PATH (vector_tool->widget), vectors);
}
else
{
GimpContext *context = gimp_get_user_context (tool->tool_info->gimp);
GimpDisplay *display = gimp_context_get_display (context);
if (! display ||
gimp_display_get_image (display) != gimp_item_get_image (item))
{
GList *list;
display = NULL;
for (list = gimp_get_display_iter (gimp_item_get_image (item)->gimp);
list;
list = g_list_next (list))
{
display = list->data;
if (gimp_display_get_image (display) == gimp_item_get_image (item))
{
gimp_context_set_display (context, display);
break;
}
display = NULL;
}
}
if (display)
gimp_vector_tool_start (vector_tool, display);
}
if (options->edit_mode != GIMP_VECTOR_MODE_DESIGN)
g_object_set (options, "vectors-edit-mode",
GIMP_VECTOR_MODE_DESIGN, NULL);
}
static void
gimp_vector_tool_to_selection (GimpVectorTool *vector_tool)
{
gimp_vector_tool_to_selection_extended (vector_tool, 0);
}
static void
gimp_vector_tool_to_selection_extended (GimpVectorTool *vector_tool,
GdkModifierType state)
{
GimpImage *image;
if (! vector_tool->vectors)
return;
image = gimp_item_get_image (GIMP_ITEM (vector_tool->vectors));
gimp_item_to_selection (GIMP_ITEM (vector_tool->vectors),
gimp_modifiers_to_channel_op (state),
TRUE, FALSE, 0, 0);
gimp_image_flush (image);
}
static void
gimp_vector_tool_fill_vectors (GimpVectorTool *vector_tool,
GtkWidget *button)
{
GimpDialogConfig *config;
GimpImage *image;
GList *drawables;
GList *vectors_list = NULL;
GtkWidget *dialog;
if (! vector_tool->vectors)
return;
image = gimp_item_get_image (GIMP_ITEM (vector_tool->vectors));
config = GIMP_DIALOG_CONFIG (image->gimp->config);
drawables = gimp_image_get_selected_drawables (image);
if (! drawables)
{
gimp_tool_message (GIMP_TOOL (vector_tool),
GIMP_TOOL (vector_tool)->display,
_("There are no selected layers or channels to fill."));
return;
}
vectors_list = g_list_prepend (NULL, vector_tool->vectors);
dialog = fill_dialog_new (vectors_list, drawables,
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (vector_tool)),
_("Fill Path"),
GIMP_ICON_TOOL_BUCKET_FILL,
GIMP_HELP_PATH_FILL,
button,
config->fill_options,
gimp_vector_tool_fill_callback,
vector_tool);
gtk_widget_show (dialog);
g_list_free (vectors_list);
g_list_free (drawables);
}
static void
gimp_vector_tool_fill_callback (GtkWidget *dialog,
GList *items,
GList *drawables,
GimpContext *context,
GimpFillOptions *options,
gpointer data)
{
GimpDialogConfig *config = GIMP_DIALOG_CONFIG (context->gimp->config);
GimpImage *image = gimp_item_get_image (items->data);
GError *error = NULL;
gimp_config_sync (G_OBJECT (options),
G_OBJECT (config->fill_options), 0);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_DRAWABLE_MOD,
"Fill");
for (GList *iter = items; iter; iter = iter->next)
if (! gimp_item_fill (iter->data, drawables, options,
TRUE, NULL, &error))
{
gimp_message_literal (context->gimp,
G_OBJECT (dialog),
GIMP_MESSAGE_WARNING,
error ? error->message : "NULL");
g_clear_error (&error);
break;
}
gimp_image_undo_group_end (image);
gimp_image_flush (image);
gtk_widget_destroy (dialog);
}
static void
gimp_vector_tool_stroke_vectors (GimpVectorTool *vector_tool,
GtkWidget *button)
{
GimpDialogConfig *config;
GimpImage *image;
GList *drawables;
GList *vectors_list = NULL;
GtkWidget *dialog;
if (! vector_tool->vectors)
return;
image = gimp_item_get_image (GIMP_ITEM (vector_tool->vectors));
config = GIMP_DIALOG_CONFIG (image->gimp->config);
drawables = gimp_image_get_selected_drawables (image);
if (! drawables)
{
gimp_tool_message (GIMP_TOOL (vector_tool),
GIMP_TOOL (vector_tool)->display,
_("There are no selected layers or channels to stroke to."));
return;
}
vectors_list = g_list_prepend (NULL, vector_tool->vectors);
dialog = stroke_dialog_new (vectors_list, drawables,
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (vector_tool)),
_("Stroke Path"),
GIMP_ICON_PATH_STROKE,
GIMP_HELP_PATH_STROKE,
button,
config->stroke_options,
gimp_vector_tool_stroke_callback,
vector_tool);
gtk_widget_show (dialog);
g_list_free (vectors_list);
g_list_free (drawables);
}
static void
gimp_vector_tool_stroke_callback (GtkWidget *dialog,
GList *items,
GList *drawables,
GimpContext *context,
GimpStrokeOptions *options,
gpointer data)
{
GimpDialogConfig *config = GIMP_DIALOG_CONFIG (context->gimp->config);
GimpImage *image = gimp_item_get_image (items->data);
GError *error = NULL;
gimp_config_sync (G_OBJECT (options),
G_OBJECT (config->stroke_options), 0);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_DRAWABLE_MOD,
"Stroke");
for (GList *iter = items; iter; iter = iter->next)
if (! gimp_item_stroke (iter->data, drawables, context, options, NULL,
TRUE, NULL, &error))
{
gimp_message_literal (context->gimp,
G_OBJECT (dialog),
GIMP_MESSAGE_WARNING,
error ? error->message : "NULL");
g_clear_error (&error);
break;
}
gimp_image_undo_group_end (image);
gimp_image_flush (image);
gtk_widget_destroy (dialog);
}
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