/**
* gimp_seamless_clone_tool_stop:
* @sc: The seamless clone tool whose resources should be freed
* @display_change_only: Mark that the only reason for this call was a
* switch of the working display.
*
* This function frees any resources associated with the seamless clone
* tool, including caches, gegl graphs, and anything the tool created.
* Afterwards, it initializes all the relevant pointers to some initial
* value (usually NULL) like the init function does.
*
* Note that for seamless cloning, no change needs to be done when
* switching to a different display, except for clearing the image map.
* So for that, we provide a boolean parameter to specify that the only
* change was one of the display
*/
static void
gimp_seamless_clone_tool_stop (GimpSeamlessCloneTool *sc,
gboolean display_change_only)
{
/* See if we actually have any reason to stop */
if (sc->tool_state == SC_STATE_INIT)
return;
if (! display_change_only)
{
sc->tool_state = SC_STATE_INIT;
g_clear_object (&sc->paste);
g_clear_object (&sc->render_node);
sc->sc_node = NULL;
}
/* This should always happen, even when we just switch a display */
if (sc->filter)
{
gimp_drawable_filter_abort (sc->filter);
g_clear_object (&sc->filter);
if (GIMP_TOOL (sc)->display)
gimp_image_flush (gimp_display_get_image (GIMP_TOOL (sc)->display));
}
gimp_draw_tool_stop (GIMP_DRAW_TOOL (sc));
}
static void
gimp_warp_tool_halt (GimpWarpTool *wt)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
if (wt->coords_buffer)
{
g_object_unref (wt->coords_buffer);
wt->coords_buffer = NULL;
}
if (wt->graph)
{
g_object_unref (wt->graph);
wt->graph = NULL;
wt->render_node = NULL;
}
if (wt->filter)
{
gimp_drawable_filter_abort (wt->filter);
g_object_unref (wt->filter);
wt->filter = NULL;
gimp_image_flush (gimp_display_get_image (tool->display));
}
if (wt->redo_stack)
{
g_list_free_full (wt->redo_stack, (GDestroyNotify) g_object_unref);
wt->redo_stack = NULL;
}
tool->display = NULL;
tool->drawable = NULL;
if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (wt)))
gimp_draw_tool_stop (GIMP_DRAW_TOOL (wt));
if (options->animate_button)
{
gtk_widget_set_sensitive (options->animate_button, FALSE);
g_signal_handlers_disconnect_by_func (options->animate_button,
gimp_warp_tool_animate,
wt);
}
}
static void
gimp_blend_tool_halt (GimpBlendTool *blend_tool)
{
GimpTool *tool = GIMP_TOOL (blend_tool);
if (blend_tool->graph)
{
g_object_unref (blend_tool->graph);
blend_tool->graph = NULL;
blend_tool->render_node = NULL;
#if 0
blend_tool->subtract_node = NULL;
blend_tool->divide_node = NULL;
#endif
blend_tool->dist_node = NULL;
}
if (blend_tool->dist_buffer)
{
g_object_unref (blend_tool->dist_buffer);
blend_tool->dist_buffer = NULL;
}
if (blend_tool->filter)
{
gimp_drawable_filter_abort (blend_tool->filter);
g_object_unref (blend_tool->filter);
blend_tool->filter = NULL;
gimp_image_flush (gimp_display_get_image (tool->display));
}
tool->display = NULL;
tool->drawable = NULL;
if (gimp_draw_tool_is_active (GIMP_DRAW_TOOL (blend_tool)))
gimp_draw_tool_stop (GIMP_DRAW_TOOL (blend_tool));
}
static void
gimp_warp_tool_animate (GimpWarpTool *wt)
{
GimpTool *tool = GIMP_TOOL (wt);
GimpWarpOptions *options = GIMP_WARP_TOOL_GET_OPTIONS (wt);
GimpImage *orig_image;
GimpImage *image;
GimpLayer *layer;
GimpLayer *first_layer;
GeglNode *scale_node;
GimpProgress *progress;
GtkWidget *widget;
gint i;
if (! gimp_warp_tool_get_undo_desc (tool, tool->display))
{
gimp_tool_message_literal (tool, tool->display,
_("Please add some warp strokes first."));
return;
}
/* get rid of the image map so we can use wt->graph */
if (wt->filter)
{
gimp_drawable_filter_abort (wt->filter);
g_object_unref (wt->filter);
wt->filter = NULL;
}
gimp_progress_start (GIMP_PROGRESS (tool), FALSE,
_("Rendering Frame %d"), 1);
orig_image = gimp_item_get_image (GIMP_ITEM (tool->drawable));
image = gimp_create_image (orig_image->gimp,
gimp_item_get_width (GIMP_ITEM (tool->drawable)),
gimp_item_get_height (GIMP_ITEM (tool->drawable)),
gimp_drawable_get_base_type (tool->drawable),
gimp_drawable_get_precision (tool->drawable),
TRUE);
/* the first frame is always the unwarped image */
layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (tool->drawable), image,
GIMP_TYPE_LAYER));
gimp_object_take_name (GIMP_OBJECT (layer),
g_strdup_printf (_("Frame %d"), 1));
gimp_item_set_offset (GIMP_ITEM (layer), 0, 0);
gimp_item_set_visible (GIMP_ITEM (layer), TRUE, FALSE);
gimp_layer_set_mode (layer, GIMP_NORMAL_MODE, FALSE);
gimp_layer_set_opacity (layer, GIMP_OPACITY_OPAQUE, FALSE);
gimp_image_add_layer (image, layer, NULL, 0, FALSE);
first_layer = layer;
scale_node = gegl_node_new_child (NULL,
"operation", "gimp:scalar-multiply",
"n-components", 2,
NULL);
gimp_warp_tool_add_op (wt, scale_node);
progress = gimp_sub_progress_new (GIMP_PROGRESS (tool));
for (i = 1; i < options->n_animation_frames; i++)
{
gimp_progress_set_text (GIMP_PROGRESS (tool),
_("Rendering Frame %d"), i + 1);
gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (progress),
i, options->n_animation_frames);
layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (first_layer),
GIMP_TYPE_LAYER));
gimp_object_take_name (GIMP_OBJECT (layer),
g_strdup_printf (_("Frame %d"), i + 1));
gegl_node_set (scale_node,
"factor", (gdouble) i /
(gdouble) (options->n_animation_frames - 1),
NULL);
gimp_gegl_apply_operation (gimp_drawable_get_buffer (GIMP_DRAWABLE (first_layer)),
progress,
_("Frame"),
wt->graph,
gimp_drawable_get_buffer (GIMP_DRAWABLE (layer)),
NULL);
gimp_image_add_layer (image, layer, NULL, 0, FALSE);
}
g_object_unref (progress);
gimp_warp_tool_remove_op (wt, scale_node);
gimp_progress_end (GIMP_PROGRESS (tool));
/* recreate the image map */
gimp_warp_tool_create_filter (wt, tool->drawable);
gimp_drawable_filter_apply (wt->filter, NULL);
widget = GTK_WIDGET (gimp_display_get_shell (tool->display));
gimp_create_display (orig_image->gimp, image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (image);
}
