static void
standard_output (const gchar *op_name)
{
GeglNode *composition, *input, *aux, *operation, *crop, *output;
gchar *input_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-input.png", NULL);
gchar *aux_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-aux.png", NULL);
gchar *output_path = operation_to_path (op_name, FALSE);
composition = gegl_node_new ();
operation = gegl_node_create_child (composition, op_name);
if (gegl_node_has_pad (operation, "output"))
{
input = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", input_path,
NULL);
aux = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", aux_path,
NULL);
crop = gegl_node_new_child (composition,
"operation", "gegl:crop",
"width", 200.0,
"height", 200.0,
NULL);
output = gegl_node_new_child (composition,
"operation", "gegl:png-save",
"compression", 9,
"path", output_path,
NULL);
gegl_node_link_many (operation, crop, output, NULL);
if (gegl_node_has_pad (operation, "input"))
gegl_node_link (input, operation);
if (gegl_node_has_pad (operation, "aux"))
gegl_node_connect_to (aux, "output", operation, "aux");
gegl_node_process (output);
}
g_free (input_path);
g_free (aux_path);
g_free (output_path);
g_object_unref (composition);
}
static void
gimp_operation_tool_create_gui (GimpOperationTool *op_tool)
{
GimpFilterTool *filter_tool = GIMP_FILTER_TOOL (op_tool);
GtkWidget *options_gui;
gint off_x, off_y;
GeglRectangle area;
gint aux;
gimp_filter_tool_get_drawable_area (filter_tool, &off_x, &off_y, &area);
options_gui =
gimp_prop_gui_new (G_OBJECT (filter_tool->config),
G_TYPE_FROM_INSTANCE (filter_tool->config), 0,
&area,
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (op_tool)),
(GimpCreatePickerFunc) gimp_filter_tool_add_color_picker,
(GimpCreateControllerFunc) gimp_filter_tool_add_controller,
filter_tool);
g_weak_ref_set (&op_tool->options_gui_ref, options_gui);
for (aux = 1; ; aux++)
{
gchar pad[32];
gchar label[32];
if (aux == 1)
{
g_snprintf (pad, sizeof (pad), "aux");
/* don't translate "Aux" */
g_snprintf (label, sizeof (label), _("Aux Input"));
}
else
{
g_snprintf (pad, sizeof (pad), "aux%d", aux);
/* don't translate "Aux" */
g_snprintf (label, sizeof (label), _("Aux%d Input"), aux);
}
if (gegl_node_has_pad (filter_tool->operation, pad))
{
AuxInput *input;
input = gimp_operation_tool_aux_input_new (op_tool,
filter_tool->operation, pad,
label);
op_tool->aux_inputs = g_list_append (op_tool->aux_inputs, input);
}
else
{
break;
}
}
}
void layer_set_graph(GeglEditorLayer* self, GeglNode* gegl)
{
//properly dispose of old gegl graph
self->gegl = gegl;
gegl_editor_remove_all_nodes(self->editor);
GSList *list = gegl_node_get_children(gegl);
for(;list != NULL; list = list->next)
{
GeglNode* node = GEGL_NODE(list->data);
g_print("Loading %s\n", gegl_node_get_operation(node));
layer_add_gegl_node(self, node);
}
list = gegl_node_get_children(gegl);
for(list = g_slist_reverse(list); list != NULL; list = list->next)
{
GeglNode* node = GEGL_NODE(list->data);
gint from = get_editor_node_id(self, node);
GeglNode** nodes;
const gchar** pads;
if(!gegl_node_has_pad(node, "output")) {
break;}
gint num = gegl_node_get_consumers(node, "output", &nodes, &pads);
int i;
g_print("%s: %d consumer(s)\n", gegl_node_get_operation(node), num);
for(i = 0; i < num; i++)
{
gint to = get_editor_node_id(self, nodes[i]);
g_print("Connecting to consumer (%s to %s): output->%s\n", gegl_node_get_operation(node), gegl_node_get_operation(nodes[0]), pads[0]);
gegl_editor_add_connection(self->editor, from, to, "output", pads[0]);
}
}
}
void
gimp_operation_tool_set_operation (GimpOperationTool *tool,
const gchar *operation,
const gchar *undo_desc,
const gchar *icon_name)
{
GimpImageMapTool *im_tool;
GtkSizeGroup *size_group = NULL;
gint aux;
g_return_if_fail (GIMP_IS_OPERATION_TOOL (tool));
g_return_if_fail (operation != NULL);
im_tool = GIMP_IMAGE_MAP_TOOL (tool);
if (tool->operation)
g_free (tool->operation);
if (tool->undo_desc)
g_free (tool->undo_desc);
if (tool->icon_name)
g_free (tool->icon_name);
tool->operation = g_strdup (operation);
tool->undo_desc = g_strdup (undo_desc);
tool->icon_name = g_strdup (icon_name);
g_list_free_full (tool->aux_inputs,
(GDestroyNotify) gimp_operation_tool_aux_input_free);
tool->aux_inputs = NULL;
gimp_image_map_tool_get_operation (im_tool);
if (undo_desc)
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name = "yes"; /* XXX hack */
else
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name = NULL; /* XXX hack */
if (tool->options_gui)
{
gtk_widget_destroy (tool->options_gui);
tool->options_gui = NULL;
if (im_tool->active_picker)
{
im_tool->active_picker = NULL;
gimp_color_tool_disable (GIMP_COLOR_TOOL (tool));
}
}
for (aux = 1; ; aux++)
{
gchar pad[32];
gchar label[32];
if (aux == 1)
{
g_snprintf (pad, sizeof (pad), "aux");
g_snprintf (label, sizeof (label), _("Aux Input"));
}
else
{
g_snprintf (pad, sizeof (pad), "aux%d", aux);
g_snprintf (label, sizeof (label), _("Aux%d Input"), aux);
}
if (gegl_node_has_pad (im_tool->operation, pad))
{
AuxInput *input;
GtkWidget *toggle;
if (! size_group)
size_group = gtk_size_group_new (GTK_SIZE_GROUP_HORIZONTAL);
input = gimp_operation_tool_aux_input_new (tool,
im_tool->operation, pad,
label);
tool->aux_inputs = g_list_append (tool->aux_inputs, input);
toggle = gimp_buffer_source_box_get_toggle (GIMP_BUFFER_SOURCE_BOX (input->box));
gtk_size_group_add_widget (size_group, toggle);
if (tool->options_box)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), input->box,
FALSE, FALSE, 0);
gtk_widget_show (input->box);
}
}
else
{
break;
}
}
if (size_group)
g_object_unref (size_group);
if (im_tool->config)
{
tool->options_gui =
gimp_prop_gui_new (G_OBJECT (im_tool->config),
G_TYPE_FROM_INSTANCE (im_tool->config),
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (tool)),
(GimpCreatePickerFunc) gimp_image_map_tool_add_color_picker,
tool);
if (tool->options_box)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), tool->options_gui,
FALSE, FALSE, 0);
gtk_widget_show (tool->options_gui);
}
}
if (im_tool->gui)
{
if (undo_desc)
gimp_tool_gui_set_description (im_tool->gui, undo_desc);
if (icon_name)
gimp_tool_gui_set_icon_name (im_tool->gui, icon_name);
}
if (GIMP_TOOL (tool)->drawable)
{
gimp_operation_tool_sync_op (tool, GIMP_TOOL (tool)->drawable);
gimp_image_map_tool_preview (im_tool);
}
}
void
gimp_gegl_apply_operation (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglNode *operation,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect)
{
GeglNode *gegl;
GeglNode *dest_node;
GeglRectangle rect = { 0, };
gdouble value;
gboolean progress_active = FALSE;
g_return_if_fail (src_buffer == NULL || GEGL_IS_BUFFER (src_buffer));
g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress));
g_return_if_fail (GEGL_IS_NODE (operation));
g_return_if_fail (GEGL_IS_BUFFER (dest_buffer));
if (dest_rect)
{
rect = *dest_rect;
}
else
{
rect = *GEGL_RECTANGLE (0, 0, gegl_buffer_get_width (dest_buffer),
gegl_buffer_get_height (dest_buffer));
}
gegl = gegl_node_new ();
if (! gegl_node_get_parent (operation))
gegl_node_add_child (gegl, operation);
if (src_buffer && gegl_node_has_pad (operation, "input"))
{
GeglNode *src_node;
/* dup() because reading and writing the same buffer doesn't
* work with area ops when using a processor. See bug #701875.
*/
if (progress && (src_buffer == dest_buffer))
src_buffer = gegl_buffer_dup (src_buffer);
else
g_object_ref (src_buffer);
src_node = gegl_node_new_child (gegl,
"operation", "gegl:buffer-source",
"buffer", src_buffer,
NULL);
g_object_unref (src_buffer);
gegl_node_connect_to (src_node, "output",
operation, "input");
}
dest_node = gegl_node_new_child (gegl,
"operation", "gegl:write-buffer",
"buffer", dest_buffer,
NULL);
gegl_node_connect_to (operation, "output",
dest_node, "input");
if (progress)
{
GeglProcessor *processor;
processor = gegl_node_new_processor (dest_node, &rect);
progress_active = gimp_progress_is_active (progress);
if (progress_active)
{
if (undo_desc)
gimp_progress_set_text (progress, undo_desc);
}
else
{
gimp_progress_start (progress, undo_desc, FALSE);
}
while (gegl_processor_work (processor, &value))
gimp_progress_set_value (progress, value);
g_object_unref (processor);
}
else
{
gegl_node_blit (dest_node, 1.0, &rect,
NULL, NULL, 0, GEGL_BLIT_DEFAULT);
}
g_object_unref (gegl);
if (progress && ! progress_active)
gimp_progress_end (progress);
}
static void
standard_output (const gchar *op_name)
{
GeglNode *composition, *input, *aux, *operation, *crop, *output, *translate;
GeglNode *background, *over;
gchar *input_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-input.png", NULL);
gchar *aux_path = g_build_path (G_DIR_SEPARATOR_S, data_dir,
"standard-aux.png", NULL);
gchar *output_path = operation_to_path (op_name, FALSE);
composition = gegl_node_new ();
operation = gegl_node_create_child (composition, op_name);
if (gegl_node_has_pad (operation, "output"))
{
input = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", input_path,
NULL);
translate = gegl_node_new_child (composition,
"operation", "gegl:translate",
"x", 0.0,
"y", 80.0,
NULL);
aux = gegl_node_new_child (composition,
"operation", "gegl:load",
"path", aux_path,
NULL);
crop = gegl_node_new_child (composition,
"operation", "gegl:crop",
"width", 200.0,
"height", 200.0,
NULL);
output = gegl_node_new_child (composition,
"operation", "gegl:png-save",
"compression", 9,
"path", output_path,
NULL);
background = gegl_node_new_child (composition,
"operation", "gegl:checkerboard",
"color1", gegl_color_new ("rgb(0.75,0.75,0.75)"),
"color2", gegl_color_new ("rgb(0.25,0.25,0.25)"),
NULL);
over = gegl_node_new_child (composition, "operation", "gegl:over", NULL);
if (gegl_node_has_pad (operation, "input"))
gegl_node_link (input, operation);
if (gegl_node_has_pad (operation, "aux"))
{
gegl_node_connect_to (aux, "output", translate, "input");
gegl_node_connect_to (translate, "output", operation, "aux");
}
gegl_node_connect_to (background, "output", over, "input");
gegl_node_connect_to (operation, "output", over, "aux");
gegl_node_connect_to (over, "output", crop, "input");
gegl_node_connect_to (crop, "output", output, "input");
gegl_node_process (output);
}
g_free (input_path);
g_free (aux_path);
g_free (output_path);
g_object_unref (composition);
}
void
gimp_operation_tool_set_operation (GimpOperationTool *tool,
const gchar *operation,
const gchar *undo_desc,
const gchar *icon_name)
{
GimpImageMapTool *im_tool;
g_return_if_fail (GIMP_IS_OPERATION_TOOL (tool));
g_return_if_fail (operation != NULL);
im_tool = GIMP_IMAGE_MAP_TOOL (tool);
if (tool->operation)
g_free (tool->operation);
if (tool->undo_desc)
g_free (tool->undo_desc);
if (tool->icon_name)
g_free (tool->icon_name);
tool->operation = g_strdup (operation);
tool->undo_desc = g_strdup (undo_desc);
tool->icon_name = g_strdup (icon_name);
if (tool->aux_input)
{
g_object_unref (tool->aux_input);
tool->aux_input = NULL;
}
if (tool->aux2_input)
{
g_object_unref (tool->aux2_input);
tool->aux2_input = NULL;
}
gimp_image_map_tool_get_operation (im_tool);
if (undo_desc)
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name = "yes"; /* XXX hack */
else
GIMP_IMAGE_MAP_TOOL_GET_CLASS (tool)->settings_name = NULL; /* XXX hack */
if (tool->aux_input_box)
{
gtk_widget_destroy (tool->aux_input_box);
tool->aux_input_button = NULL;
tool->aux_input_box = NULL;
}
if (tool->aux2_input_box)
{
gtk_widget_destroy (tool->aux2_input_box);
tool->aux2_input_button = NULL;
tool->aux2_input_box = NULL;
}
if (tool->options_gui)
{
gtk_widget_destroy (tool->options_gui);
tool->options_gui = NULL;
if (im_tool->active_picker)
{
im_tool->active_picker = NULL;
gimp_color_tool_disable (GIMP_COLOR_TOOL (tool));
}
}
if (gegl_node_has_pad (im_tool->operation, "aux"))
{
GimpContext *context;
GtkWidget *label;
tool->aux_input = gegl_node_new_child (NULL,
"operation", "gegl:buffer-source",
NULL);
gegl_node_connect_to (tool->aux_input, "output",
im_tool->operation, "aux");
context = GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (tool));
tool->aux_input_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
label = gtk_label_new_with_mnemonic (_("_Aux Input"));
gtk_box_pack_start (GTK_BOX (tool->aux_input_box), label,
FALSE, FALSE, 0);
gtk_widget_show (label);
tool->aux_input_button =
gimp_pickable_button_new (context, GIMP_VIEW_SIZE_LARGE, 1);
gtk_box_pack_start (GTK_BOX (tool->aux_input_box),
tool->aux_input_button, FALSE, FALSE, 0);
gtk_widget_show (tool->aux_input_button);
gtk_label_set_mnemonic_widget (GTK_LABEL (label),
tool->aux_input_button);
if (tool->options_box)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), tool->aux_input_box,
FALSE, FALSE, 0);
gtk_widget_show (tool->aux_input_box);
}
g_signal_connect_object (tool->aux_input_button, "notify::pickable",
G_CALLBACK (gimp_operation_tool_aux_notify),
tool->aux_input, 0);
}
if (gegl_node_has_pad (im_tool->operation, "aux2"))
{
GimpContext *context;
GtkWidget *label;
tool->aux2_input = gegl_node_new_child (NULL,
"operation", "gegl:buffer-source",
NULL);
gegl_node_connect_to (tool->aux2_input, "output",
im_tool->operation, "aux2");
context = GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (tool));
tool->aux2_input_box = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 4);
label = gtk_label_new_with_mnemonic (_("_Aux2 Input"));
gtk_box_pack_start (GTK_BOX (tool->aux2_input_box), label,
FALSE, FALSE, 0);
gtk_widget_show (label);
tool->aux2_input_button =
gimp_pickable_button_new (context, GIMP_VIEW_SIZE_LARGE, 1);
gtk_box_pack_start (GTK_BOX (tool->aux2_input_box),
tool->aux2_input_button, FALSE, FALSE, 0);
gtk_widget_show (tool->aux2_input_button);
gtk_label_set_mnemonic_widget (GTK_LABEL (label),
tool->aux2_input_button);
if (tool->options_box)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), tool->aux2_input_box,
FALSE, FALSE, 0);
gtk_widget_show (tool->aux2_input_box);
}
g_signal_connect_object (tool->aux2_input_button, "notify::pickable",
G_CALLBACK (gimp_operation_tool_aux_notify),
tool->aux2_input, 0);
}
if (im_tool->config)
{
tool->options_gui =
gimp_prop_gui_new (G_OBJECT (im_tool->config),
G_TYPE_FROM_INSTANCE (im_tool->config),
GIMP_CONTEXT (GIMP_TOOL_GET_OPTIONS (tool)),
(GimpCreatePickerFunc) gimp_image_map_tool_add_color_picker,
tool);
if (tool->options_box)
{
gtk_box_pack_start (GTK_BOX (tool->options_box), tool->options_gui,
FALSE, FALSE, 0);
gtk_widget_show (tool->options_gui);
}
}
if (im_tool->gui)
{
if (undo_desc)
gimp_tool_gui_set_description (im_tool->gui, undo_desc);
if (icon_name)
gimp_tool_gui_set_icon_name (im_tool->gui, icon_name);
}
if (GIMP_TOOL (tool)->drawable)
{
gimp_operation_tool_sync_op (tool, GIMP_TOOL (tool)->drawable);
gimp_image_map_tool_preview (im_tool);
}
}
/**
* gegl_graph_process:
* @path: The traversal path
*
* Process the prepared request. This will return the
* resulting buffer from the final node, or NULL if
* that node is a sink.
*
* If gegl_graph_prepare_request has not been called
* the behavior of this function is undefined.
*
* Return value: (transfer full): The result of the graph, or NULL if
* there is no output pad.
*/
GeglBuffer *
gegl_graph_process (GeglGraphTraversal *path,
gint level)
{
GList *list_iter = NULL;
GeglBuffer *result = NULL;
GeglOperationContext *context = NULL;
GeglOperationContext *last_context = NULL;
GeglBuffer *operation_result = NULL;
for (list_iter = path->dfs_path; list_iter; list_iter = list_iter->next)
{
GeglNode *node = GEGL_NODE (list_iter->data);
GeglOperation *operation = node->operation;
g_return_val_if_fail (node, NULL);
g_return_val_if_fail (operation, NULL);
GEGL_INSTRUMENT_START();
operation_result = NULL;
if (last_context)
gegl_operation_context_purge (last_context);
context = g_hash_table_lookup (path->contexts, node);
g_return_val_if_fail (context, NULL);
GEGL_NOTE (GEGL_DEBUG_PROCESS,
"Will process %s result_rect = %d, %d %d×%d",
gegl_node_get_debug_name (node),
context->result_rect.x, context->result_rect.y, context->result_rect.width, context->result_rect.height);
if (context->need_rect.width > 0 && context->need_rect.height > 0)
{
if (context->cached)
{
GEGL_NOTE (GEGL_DEBUG_PROCESS,
"Using cached result for %s",
gegl_node_get_debug_name (node));
operation_result = GEGL_BUFFER (node->cache);
}
else
{
/* provide something on input pad, always - this makes having
behavior depending on it not being set.. not work, is
sacrifising that worth it?
*/
if (gegl_node_has_pad (node, "input") &&
!gegl_operation_context_get_object (context, "input"))
{
gegl_operation_context_set_object (context, "input", G_OBJECT (gegl_graph_get_shared_empty(path)));
}
context->level = level;
/* note: this hard-coding of "output" makes some more custom
* graph topologies harder than neccesary.
*/
gegl_operation_process (operation, context, "output", &context->need_rect, context->level);
operation_result = GEGL_BUFFER (gegl_operation_context_get_object (context, "output"));
if (operation_result && operation_result == (GeglBuffer *)operation->node->cache)
gegl_cache_computed (operation->node->cache, &context->need_rect, level);
}
}
else
{
operation_result = NULL;
}
if (operation_result)
{
GeglPad *output_pad = gegl_node_get_pad (node, "output");
GList *targets = gegl_graph_get_connected_output_contexts (path, output_pad);
GList *targets_iter;
GEGL_NOTE (GEGL_DEBUG_PROCESS,
"Will deliver the results of %s:%s to %d targets",
gegl_node_get_debug_name (node),
"output",
g_list_length (targets));
if (g_list_length (targets) > 1)
gegl_object_set_has_forked (G_OBJECT (operation_result));
for (targets_iter = targets; targets_iter; targets_iter = g_list_next (targets_iter))
{
ContextConnection *target_con = targets_iter->data;
gegl_operation_context_set_object (target_con->context, target_con->name, G_OBJECT (operation_result));
}
g_list_free_full (targets, free_context_connection);
}
last_context = context;
GEGL_INSTRUMENT_END ("process", gegl_node_get_operation (node));
}
if (last_context)
{
if (operation_result)
result = g_object_ref (operation_result);
else if (gegl_node_has_pad (last_context->operation->node, "output"))
result = g_object_ref (gegl_graph_get_shared_empty (path));
gegl_operation_context_purge (last_context);
}
return result;
}
gboolean
gimp_gegl_apply_cached_operation (GeglBuffer *src_buffer,
GimpProgress *progress,
const gchar *undo_desc,
GeglNode *operation,
GeglBuffer *dest_buffer,
const GeglRectangle *dest_rect,
GeglBuffer *cache,
const GeglRectangle *valid_rects,
gint n_valid_rects,
gboolean cancellable)
{
GeglNode *gegl;
GeglNode *dest_node;
GeglRectangle rect = { 0, };
GeglProcessor *processor = NULL;
gboolean progress_started = FALSE;
gdouble value;
gboolean cancel = FALSE;
g_return_val_if_fail (src_buffer == NULL || GEGL_IS_BUFFER (src_buffer), FALSE);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), FALSE);
g_return_val_if_fail (GEGL_IS_NODE (operation), FALSE);
g_return_val_if_fail (GEGL_IS_BUFFER (dest_buffer), FALSE);
g_return_val_if_fail (cache == NULL || GEGL_IS_BUFFER (cache), FALSE);
g_return_val_if_fail (valid_rects == NULL || cache != NULL, FALSE);
g_return_val_if_fail (valid_rects == NULL || n_valid_rects != 0, FALSE);
if (dest_rect)
{
rect = *dest_rect;
}
else
{
rect = *GEGL_RECTANGLE (0, 0, gegl_buffer_get_width (dest_buffer),
gegl_buffer_get_height (dest_buffer));
}
gegl = gegl_node_new ();
if (! gegl_node_get_parent (operation))
gegl_node_add_child (gegl, operation);
if (src_buffer && gegl_node_has_pad (operation, "input"))
{
GeglNode *src_node;
/* dup() because reading and writing the same buffer doesn't
* work with area ops when using a processor. See bug #701875.
*/
if (progress && (src_buffer == dest_buffer))
src_buffer = gegl_buffer_dup (src_buffer);
else
g_object_ref (src_buffer);
src_node = gegl_node_new_child (gegl,
"operation", "gegl:buffer-source",
"buffer", src_buffer,
NULL);
g_object_unref (src_buffer);
gegl_node_connect_to (src_node, "output",
operation, "input");
}
dest_node = gegl_node_new_child (gegl,
"operation", "gegl:write-buffer",
"buffer", dest_buffer,
NULL);
gegl_node_connect_to (operation, "output",
dest_node, "input");
if (progress)
{
processor = gegl_node_new_processor (dest_node, &rect);
if (gimp_progress_is_active (progress))
{
if (undo_desc)
gimp_progress_set_text_literal (progress, undo_desc);
progress_started = FALSE;
cancellable = FALSE;
}
else
{
gimp_progress_start (progress, cancellable, "%s", undo_desc);
if (cancellable)
g_signal_connect (progress, "cancel",
G_CALLBACK (gimp_gegl_apply_operation_cancel),
&cancel);
progress_started = TRUE;
}
}
if (cache)
{
cairo_region_t *region;
gint all_pixels;
gint done_pixels = 0;
gint n_rects;
gint i;
region = cairo_region_create_rectangle ((cairo_rectangle_int_t *) &rect);
all_pixels = rect.width * rect.height;
for (i = 0; i < n_valid_rects; i++)
{
gegl_buffer_copy (cache, valid_rects + i, GEGL_ABYSS_NONE,
dest_buffer, valid_rects + i);
cairo_region_subtract_rectangle (region,
(cairo_rectangle_int_t *)
valid_rects + i);
done_pixels += valid_rects[i].width * valid_rects[i].height;
if (progress)
gimp_progress_set_value (progress,
(gdouble) done_pixels /
(gdouble) all_pixels);
}
n_rects = cairo_region_num_rectangles (region);
for (i = 0; ! cancel && (i < n_rects); i++)
{
cairo_rectangle_int_t render_rect;
cairo_region_get_rectangle (region, i, &render_rect);
if (progress)
{
gint rect_pixels = render_rect.width * render_rect.height;
#ifdef REUSE_PROCESSOR
gegl_processor_set_rectangle (processor,
(GeglRectangle *) &render_rect);
#else
g_object_unref (processor);
processor = gegl_node_new_processor (dest_node,
(GeglRectangle *) &render_rect);
#endif
while (! cancel && gegl_processor_work (processor, &value))
{
gimp_progress_set_value (progress,
((gdouble) done_pixels +
value * rect_pixels) /
(gdouble) all_pixels);
if (cancellable)
while (! cancel && g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
}
done_pixels += rect_pixels;
}
else
{
gegl_node_blit (dest_node, 1.0, (GeglRectangle *) &render_rect,
NULL, NULL, 0, GEGL_BLIT_DEFAULT);
}
}
cairo_region_destroy (region);
}
else
{
if (progress)
{
while (! cancel && gegl_processor_work (processor, &value))
{
gimp_progress_set_value (progress, value);
if (cancellable)
while (! cancel && g_main_context_pending (NULL))
g_main_context_iteration (NULL, FALSE);
}
}
else
{
gegl_node_blit (dest_node, 1.0, &rect,
NULL, NULL, 0, GEGL_BLIT_DEFAULT);
}
}
if (processor)
g_object_unref (processor);
g_object_unref (gegl);
if (progress_started)
{
gimp_progress_end (progress);
if (cancellable)
g_signal_handlers_disconnect_by_func (progress,
gimp_gegl_apply_operation_cancel,
&cancel);
}
return ! cancel;
}