void
layer_add_gegl_node(GeglEditorLayer* layer, GeglNode* node)
{
//get input pads
//gegl_pad_is_output
GSList *pads = gegl_node_get_input_pads(node);
guint num_inputs = g_slist_length(pads);
gchar** inputs = malloc(sizeof(gchar*)*num_inputs);
int i;
for(i = 0; pads != NULL; pads = pads->next, i++)
{
inputs[i] = (gchar*)gegl_pad_get_name(pads->data);
}
gint id;
if(gegl_node_get_pad(node, "output") == NULL)
{
id = gegl_editor_add_node(layer->editor, gegl_node_get_operation(node), num_inputs, inputs, 0, NULL);
}
else
{
gchar* output = "output";
gchar* outputs[] = {output};
id = gegl_editor_add_node(layer->editor, gegl_node_get_operation(node), num_inputs, inputs, 1, outputs);
}
node_id_pair* new_pair = malloc(sizeof(node_id_pair));
new_pair->node = node;
new_pair->id = id;
layer->pairs = g_slist_append(layer->pairs, new_pair);
}
gint layer_connected_pads (gpointer host, GeglEditor* editor, gint from, const gchar* output, gint to, const gchar* input)
{
GeglEditorLayer* self = (GeglEditorLayer*)host;
GeglNode* from_node = NULL;
GeglNode* to_node = NULL;
GSList* pair = self->pairs;
for(;pair != NULL; pair = pair->next)
{
node_id_pair* data = pair->data;
if(data->id == from)
from_node = data->node;
if(data->id == to)
to_node = data->node;
if(from_node != NULL && to_node != NULL)
break;
}
g_assert(from_node != NULL && to_node != NULL);
g_assert(from_node != to_node);
gboolean success = gegl_node_connect_to(from_node, output, to_node, input);
g_print("connected (%d): %s(%s) to %s(%s), %i\n", success, gegl_node_get_operation(from_node), output,
gegl_node_get_operation(to_node), input, success);
refresh_images(self);
}
static void
prepare_cl (GeglOperation *operation)
{
GeglOperationAreaFilter* op_area = GEGL_OPERATION_AREA_FILTER (operation);
GeglChantO* o = GEGL_CHANT_PROPERTIES (operation);
gdouble theta = o->angle * G_PI / 180.0;
gdouble offset_x = fabs(o->length * cos(theta));
gdouble offset_y = fabs(o->length * sin(theta));
op_area->left =
op_area->right = (gint)ceil(0.5 * offset_x);
op_area->top =
op_area->bottom = (gint)ceil(0.5 * offset_y);
GeglNode * self;
GeglPad *pad;
Babl * format=babl_format ("RaGaBaA float");
self=gegl_operation_get_source_node(operation,"input");
while(self) {
if(strcmp(gegl_node_get_operation(self),"gimp:tilemanager-source")==0) {
format=gegl_operation_get_format(self->operation,"output");
break;
}
self=gegl_operation_get_source_node(self->operation,"input");
}
gegl_operation_set_format (operation, "output", format);
}
gboolean
gimp_warp_tool_undo (GimpTool *tool,
GimpDisplay *display)
{
GimpWarpTool *wt = GIMP_WARP_TOOL (tool);
GeglNode *to_delete;
GeglNode *previous;
const gchar *type;
if (! wt->render_node)
return FALSE;
to_delete = gegl_node_get_producer (wt->render_node, "aux", NULL);
type = gegl_node_get_operation (to_delete);
if (strcmp (type, "gegl:warp"))
return FALSE;
previous = gegl_node_get_producer (to_delete, "input", NULL);
gegl_node_disconnect (to_delete, "input");
gegl_node_connect_to (previous, "output",
wt->render_node, "aux");
wt->redo_stack = g_list_prepend (wt->redo_stack, g_object_ref (to_delete));
gegl_node_remove_child (wt->graph, to_delete);
gimp_warp_tool_update_stroke (wt, to_delete);
return TRUE;
}
static void print_info(GeglNode* gegl)
{
GSList *list = gegl_node_get_children(gegl);
for(;list != NULL; list = list->next)
{
GeglNode* node = GEGL_NODE(list->data);
g_print("Node %s\n", gegl_node_get_operation(node));
if(gegl_node_get_pad(node, "output") == NULL) {
g_print("Output pad is NULL\n");
}
/* GeglNode** nodes;
const gchar** pads;
gint num = gegl_node_get_consumers(node, "output", &nodes, &pads);
g_print("%s: %d consumer(s)\n", gegl_node_get_operation(node), num);
int i;
for(i = 0; i < num; i++)
{
g_print("Connection: (%s to %s)\n", gegl_node_get_operation(node), gegl_node_get_operation(nodes[0]), pads[0]);
}
g_print("\n");*/
}
}
/* we replicate the process function from GeglOperationComposer3 to be
* able to bail out earlier for some common processing time pitfalls
*/
static gboolean
gegl_operation_composer3_process2 (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level)
{
GeglOperationComposer3Class *klass = GEGL_OPERATION_COMPOSER3_GET_CLASS (operation);
GeglBuffer *input;
GeglBuffer *aux;
GeglBuffer *aux2;
GeglBuffer *output;
gboolean success = FALSE;
if (strcmp (output_prop, "output"))
{
g_warning ("requested processing of %s pad on a composer", output_prop);
return FALSE;
}
input = gegl_operation_context_get_source (context, "input");
aux = gegl_operation_context_get_source (context, "aux");
aux2 = gegl_operation_context_get_source (context, "aux2");
/* we could be even faster by not alway writing to this buffer, that
* would potentially break other assumptions we want to make from the
* GEGL core so we avoid doing that
*/
output = gegl_operation_context_get_target (context, "output");
if (input != NULL ||
aux != NULL ||
aux2 != NULL)
{
if (result->width == 0 || result->height == 0)
success = TRUE;
else
success = klass->process (operation, input, aux, aux2, output, result, level);
if (input)
g_object_unref (input);
if (aux)
g_object_unref (aux);
if (aux2)
g_object_unref (aux2);
}
else
{
g_warning ("%s received NULL input, aux, and aux2",
gegl_node_get_operation (operation->node));
}
return success;
}
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]);
}
}
}
/* sets up the node's bounding box */
static void
gegl_have_visitor_visit_node (GeglVisitor *self,
GeglNode *node)
{
GeglOperation *operation;
glong time = gegl_ticks ();
GEGL_VISITOR_CLASS (gegl_have_visitor_parent_class)->visit_node (self, node);
if (!node)
return;
operation = node->operation;
g_mutex_lock (node->mutex);
node->have_rect = gegl_operation_get_bounding_box (operation);
GEGL_NOTE (GEGL_DEBUG_PROCESS,
"For \"%s\" have_rect = %d,%d %d×%d",
gegl_node_get_debug_name (node),
node->have_rect.x, node->have_rect.y, node->have_rect.width, node->have_rect.height);
g_mutex_unlock (node->mutex);
time = gegl_ticks () - time;
gegl_instrument ("process", gegl_node_get_operation (node), time);
gegl_instrument (gegl_node_get_operation (node), "defined-region", time);
}
void refresh_images(GeglEditorLayer* self)
{
return;
GSList* pair = self->pairs;
for(;pair != NULL; pair = pair->next)
{
node_id_pair *data = pair->data;
/* if(node->image != NULL)
cairo_surface_destroy(node->image); //TODO: only destory if it has changed*/
const Babl *cairo_argb32 = babl_format("cairo-ARGB32");
const GeglRectangle roi = gegl_node_get_bounding_box(GEGL_NODE(data->node));
g_print("Rect: %dx%d\n", roi.x, roi.y);
if(roi.width == 0 || roi.height == 0)
{
g_print("Empty rectangle: %s\n", gegl_node_get_operation(GEGL_NODE(data->node)));
continue; //skip
}
gegl_editor_show_node_image(self->editor, data->id);
gint stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, roi.width);
guchar* buf = malloc(stride*roi.height);
//make buffer in memory
gegl_node_blit(GEGL_NODE(data->node),
1.0,
&roi,
cairo_argb32,
buf,
GEGL_AUTO_ROWSTRIDE,
GEGL_BLIT_CACHE);
cairo_surface_t* image =
cairo_image_surface_create_for_data(buf, CAIRO_FORMAT_ARGB32,
roi.width, roi.height,
stride);
// free(buf);
gegl_editor_set_node_image(self->editor, data->id, image);
}
}
const gchar *
gimp_warp_tool_get_undo_desc (GimpTool *tool,
GimpDisplay *display)
{
GimpWarpTool *wt = GIMP_WARP_TOOL (tool);
GeglNode *to_delete;
const gchar *type;
if (! wt->render_node)
return NULL;
to_delete = gegl_node_get_producer (wt->render_node, "aux", NULL);
type = gegl_node_get_operation (to_delete);
if (strcmp (type, "gegl:warp"))
return NULL;
return _("Warp Tool Stroke");
}
static gboolean
gegl_crop_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level)
{
GeglProperties *o = GEGL_PROPERTIES (operation);
GeglBuffer *input;
gboolean success = FALSE;
GeglRectangle extent;
extent.x = o->x;
extent.y = o->y;
extent.width = o->width;
extent.height = o->height;
input = gegl_operation_context_get_source (context, "input");
if (input)
{
GeglBuffer *output = gegl_buffer_create_sub_buffer (input, &extent);
if (gegl_object_get_has_forked (G_OBJECT (input)))
gegl_object_set_has_forked (G_OBJECT (output));
gegl_operation_context_take_object (context, "output", G_OBJECT (output));
g_object_unref (input);
success = TRUE;
}
else
{
g_warning ("%s got NULL input pad", gegl_node_get_operation (operation->node));
}
return success;
}
/* this is the visitor that does the real computations for GEGL */
static void
gegl_eval_visitor_visit_pad (GeglVisitor *self,
GeglPad *pad)
{
GeglNode *node = gegl_pad_get_node (pad);
gpointer context_id = self->context_id;
GeglOperationContext *context = gegl_node_get_context (node, context_id);
GeglOperation *operation = node->operation;
GEGL_VISITOR_CLASS (gegl_eval_visitor_parent_class)->visit_pad (self, pad);
if (gegl_pad_is_output (pad))
{
/* processing only really happens for output pads */
if (context->cached)
{
GEGL_NOTE (GEGL_DEBUG_PROCESS, "Using cache for pad '%s' on \"%s\"", gegl_pad_get_name (pad), gegl_node_get_debug_name (node));
gegl_operation_context_set_object (context,
gegl_pad_get_name (pad),
G_OBJECT (node->cache));
}
else
{
glong time = gegl_ticks ();
/* Make the operation do it's actual processing */
GEGL_NOTE (GEGL_DEBUG_PROCESS, "For \"%s\" processing pad '%s' result_rect = %d, %d %d×%d",
gegl_pad_get_name (pad), gegl_node_get_debug_name (node),
context->result_rect.x, context->result_rect.y, context->result_rect.width, context->result_rect.height);
gegl_operation_process (operation, context, gegl_pad_get_name (pad),
&context->result_rect);
time = gegl_ticks () - time;
gegl_instrument ("process", gegl_node_get_operation (node), time);
if (gegl_pad_get_num_connections (pad) > 1)
{
/* Mark buffers that have been consumed by different parts of the
* graph so that in-place processing can be avoided on them.
*/
GValue *value;
GeglBuffer *buffer;
value = gegl_operation_context_get_value (context, gegl_pad_get_name (pad));
if (value)
{
buffer = g_value_get_object (value);
if (buffer)
gegl_object_set_has_forked (buffer);
}
}
}
}
else if (gegl_pad_is_input (pad))
{
GeglPad *source_pad = gegl_pad_get_connected_to (pad);
/* the work needed to be done on input pads is to set the
* data from the corresponding output pad it is connected to
*/
if (source_pad)
{
GValue value = { 0 };
GParamSpec *prop_spec = gegl_pad_get_param_spec (pad);
GeglNode *source_node = gegl_pad_get_node (source_pad);
GeglOperationContext *source_context = gegl_node_get_context (source_node, context_id);
g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (prop_spec));
gegl_operation_context_get_property (source_context,
gegl_pad_get_name (source_pad),
&value);
if (!g_value_get_object (&value) &&
!g_object_get_data (G_OBJECT (source_node), "graph"))
g_warning ("eval-visitor encountered a NULL buffer passed from: %s.%s-[%p]",
gegl_node_get_debug_name (source_node),
gegl_pad_get_name (source_pad),
g_value_get_object (&value));
gegl_operation_context_set_property (context,
gegl_pad_get_name (pad),
&value);
/* reference counting for this source dropped to zero, freeing up */
if (-- gegl_node_get_context (
gegl_pad_get_node (source_pad), context_id)->refs == 0 &&
g_value_get_object (&value))
{
gegl_operation_context_remove_property (
gegl_node_get_context (
gegl_pad_get_node (source_pad), context_id),
gegl_pad_get_name (source_pad));
}
g_value_unset (&value);
/* processing for sink operations that accepts partial consumption
and thus probably are being processed by the processor from the
this very operation.
*/
if (GEGL_IS_OPERATION_SINK (operation) &&
!gegl_operation_sink_needs_full (operation))
{
GEGL_NOTE (GEGL_DEBUG_PROCESS, "Processing pad '%s' on \"%s\"", gegl_pad_get_name (pad), gegl_node_get_debug_name (node));
gegl_operation_process (operation, context, "output",
&context->result_rect);
}
}
}
}
static gboolean
gegl_operation_composer3_process (GeglOperation *operation,
GeglOperationContext *context,
const gchar *output_prop,
const GeglRectangle *result,
gint level)
{
GeglOperationComposer3Class *klass = GEGL_OPERATION_COMPOSER3_GET_CLASS (operation);
GeglBuffer *input;
GeglBuffer *aux;
GeglBuffer *aux2;
GeglBuffer *output;
gboolean success = FALSE;
if (strcmp (output_prop, "output"))
{
g_warning ("requested processing of %s pad on a composer", output_prop);
return FALSE;
}
if (result->width == 0 || result->height == 0)
{
output = gegl_operation_context_get_target (context, "output");
return TRUE;
}
input = gegl_operation_context_get_source (context, "input");
output = gegl_operation_context_get_output_maybe_in_place (operation,
context,
input,
result);
aux = gegl_operation_context_get_source (context, "aux");
aux2 = gegl_operation_context_get_source (context, "aux2");
/* A composer with a NULL aux, can still be valid, the
* subclass has to handle it.
*/
if (input != NULL ||
aux != NULL ||
aux2 != NULL)
{
if (gegl_operation_use_threading (operation, result))
{
gint threads = gegl_config_threads ();
GThreadPool *pool = thread_pool ();
ThreadData thread_data[GEGL_MAX_THREADS];
gint pending = threads;
if (result->width > result->height)
{
gint bit = result->width / threads;
for (gint j = 0; j < threads; j++)
{
thread_data[j].roi.y = result->y;
thread_data[j].roi.height = result->height;
thread_data[j].roi.x = result->x + bit * j;
thread_data[j].roi.width = bit;
}
thread_data[threads-1].roi.width = result->width - (bit * (threads-1));
}
else
{
gint bit = result->height / threads;
for (gint j = 0; j < threads; j++)
{
thread_data[j].roi.x = result->x;
thread_data[j].roi.width = result->width;
thread_data[j].roi.y = result->y + bit * j;
thread_data[j].roi.height = bit;
}
thread_data[threads-1].roi.height = result->height - (bit * (threads-1));
}
for (gint i = 0; i < threads; i++)
{
thread_data[i].klass = klass;
thread_data[i].operation = operation;
thread_data[i].input = input;
thread_data[i].aux = aux;
thread_data[i].aux2 = aux2;
thread_data[i].output = output;
thread_data[i].pending = &pending;
thread_data[i].level = level;
thread_data[i].success = TRUE;
}
for (gint i = 1; i < threads; i++)
g_thread_pool_push (pool, &thread_data[i], NULL);
thread_process (&thread_data[0], NULL);
while (g_atomic_int_get (&pending)) {};
success = thread_data[0].success;
}
else
{
success = klass->process (operation, input, aux, aux2, output, result, level);
}
g_clear_object (&input);
g_clear_object (&aux);
g_clear_object (&aux2);
}
else
{
g_warning ("%s received NULL input, aux, and aux2",
gegl_node_get_operation (operation->node));
}
return success;
}
void
gegl_dot_util_add_node (GString *string,
GeglNode *node)
{
g_string_append_printf (string, "op_%p [fontsize=\"10\" label=\"", node);
/* We build the record from top to bottom */
g_string_append_printf (string, "{");
/* The first row is a list of output pads */
{
GSList *pads = gegl_node_get_pads (node);
GSList *entry = pads;
gboolean got_output = FALSE;
g_string_append_printf (string, "{");
while (entry)
{
GeglPad *pad = entry->data;
if (gegl_pad_is_output (pad))
{
if (got_output)
{
g_string_append (string, "|");
}
got_output = TRUE;
g_string_append_printf (string, "<%s>%s",
gegl_pad_get_name (pad),
gegl_pad_get_name (pad));
}
entry = g_slist_next (entry);
}
g_string_append_printf (string, "}|");
}
/* The second row is the operation name such as gegl:translate */
g_string_append_printf (string, "%s |", gegl_node_get_debug_name (node));
/* The next rows are property names and their values */
if (1)
{
guint n_properties;
GParamSpec **properties = gegl_operation_list_properties (gegl_node_get_operation (node), &n_properties);
guint i;
for (i = 0; i < n_properties; i++)
{
const gchar *name = properties[i]->name;
GValue tvalue = { 0, };
GValue svalue = { 0, };
if (properties[i]->value_type == GEGL_TYPE_BUFFER)
continue;
g_value_init (&svalue, G_TYPE_STRING);
g_value_init (&tvalue, properties[i]->value_type);
gegl_node_get_property (node, name, &tvalue);
if (g_value_transform (&tvalue, &svalue))
{
gchar *sval = g_value_dup_string (&svalue);
if (sval && strlen (sval) > 30)
{
sval[28] = '.';
sval[29] = '.';
sval[30] = '\0';
}
if (sval)
{
g_string_append_printf (string, "%s=%s | ", name, sval);
g_free (sval);
}
g_value_unset (&svalue);
}
g_value_unset (&tvalue);
}
g_free (properties);
}
/* The last row is input pads */
{
GSList *pads = gegl_node_get_pads (node);
GSList *entry = pads;
gboolean got_input = FALSE;
g_string_append_printf (string, "{");
while (entry)
{
GeglPad *pad = entry->data;
if (gegl_pad_is_input (pad))
{
if (got_input)
{
g_string_append (string, "|");
}
got_input = TRUE;
g_string_append_printf (string, "<%s>%s",
gegl_pad_get_name (pad),
gegl_pad_get_name (pad));
}
entry = g_slist_next (entry);
}
g_string_append_printf (string, "}");
}
g_string_append_printf (string, "}\"");
g_string_append_printf (string, "shape=\"record\"];\n");
}
/**
* 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;
}
gint layer_node_selected (gpointer host, GeglEditor* editor, gint node_id)
{
GeglEditorLayer* self = (GeglEditorLayer*)host;
GeglNode* node = NULL;
GSList* pair = self->pairs;
for(;pair != NULL; pair = pair->next)
{
node_id_pair* data = pair->data;
if(data->id == node_id)
{
node = data->node;
break;
}
}
g_assert(node != NULL);
GeglNode** nodes;
const gchar** pads;
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++)
{
g_print("Connection: (%s to %s)\n", gegl_node_get_operation(node), gegl_node_get_operation(nodes[0]), pads[0]);
}
g_print("Input from: %s\n", gegl_node_get_operation(gegl_node_get_producer(node, "input", NULL)));
// g_print("selected: %s\n", gegl_node_get_operation(node));
guint n_props;
GParamSpec** properties = gegl_operation_list_properties(gegl_node_get_operation(node), &n_props);
//TODO: only create enough columns for the properties which will actually be included (i.e. ignoring GeglBuffer props)
GtkTable *prop_table = GTK_TABLE(gtk_table_new(2, n_props, FALSE));
int d;
for(d = 0, i = 0; i < n_props; i++, d++)
{
GParamSpec* prop = properties[i];
GType type = prop->value_type;
const gchar* name = prop->name;
GtkWidget* name_label = gtk_label_new(name);
gtk_misc_set_alignment(GTK_MISC(name_label), 0, 0.5);
GtkWidget* value_entry = gtk_entry_new();
gchar buf[256] = "*"; //can probably be smaller; In fact, can probably do this without sprintf and a buffer. TODO: look at g_string
gint i_value;
gdouble d_value;
gchar* str_value;
gboolean skip = FALSE;
switch(type)
{
case G_TYPE_INT:
gegl_node_get(node, name, &i_value, NULL);
sprintf(buf, "%d", i_value);
break;
case G_TYPE_DOUBLE:
gegl_node_get(node, name, &d_value, NULL);
sprintf(buf, "%.3f", d_value);
break;
case G_TYPE_STRING:
gegl_node_get(node, name, &str_value, NULL);
sprintf(buf, "%s", str_value);
break;
}
if(type == GEGL_TYPE_BUFFER) {
skip = TRUE;
d--;
} else if( type == GEGL_TYPE_COLOR) {
skip = TRUE;
GtkWidget *color_button = gtk_button_new_with_label("Select");
select_color_info* info = malloc(sizeof(select_color_info));
info->node = node;
info->property = name;
info->layer = self;
g_signal_connect(color_button, "clicked", (GCallback)select_color, info);
gtk_table_attach(prop_table, name_label, 0, 1, d, d+1, GTK_FILL, GTK_FILL, 1, 1);
gtk_table_attach(prop_table, color_button, 1, 2, d, d+1, GTK_EXPAND | GTK_FILL | GTK_SHRINK, GTK_FILL, 1, 1);
}
if(!skip)
{
gtk_entry_set_text(GTK_ENTRY(value_entry), buf);
gtk_entry_set_width_chars(GTK_ENTRY(value_entry), 2);
struct text_prop_data *data = malloc(sizeof(struct text_prop_data)); //TODO store this in a list and free it when the node is deselected
data->node = node;
data->property = name;
data->prop_type = type;
data->layer = self;
g_signal_connect(value_entry, "activate", G_CALLBACK(text_property_changed), data);
gtk_table_attach(prop_table, name_label, 0, 1, d, d+1, GTK_FILL, GTK_FILL, 1, 1);
gtk_table_attach(prop_table, value_entry, 1, 2, d, d+1, GTK_EXPAND | GTK_FILL | GTK_SHRINK, GTK_FILL, 1, 1);
}
}
// gegl_node_process(node);
GeglGtkView *gtk_view = gegl_gtk_view_new_for_node(node);
GeglRectangle rect = gegl_node_get_bounding_box(node);
if(gegl_rectangle_is_infinite_plane(&rect))
{
gegl_gtk_view_set_autoscale_policy(gtk_view, GEGL_GTK_VIEW_AUTOSCALE_DISABLED);
gegl_gtk_view_set_scale(gtk_view, 1.0);
g_print("Disable autoscale: scale=%f, x=%f, y=%f\n", gegl_gtk_view_get_scale(gtk_view),
gegl_gtk_view_get_x(gtk_view), gegl_gtk_view_get_y(gtk_view));
}
gtk_widget_show(GTK_WIDGET(gtk_view));
//TODO: draw checkerboard under preview to indicate transparency
gtk_box_pack_start(GTK_BOX(self->prop_box), GTK_WIDGET(prop_table), FALSE, TRUE, 0);
gtk_box_pack_start(GTK_BOX(self->prop_box), GTK_WIDGET(gtk_view), TRUE, TRUE, 10);
GtkWidget* label = gtk_label_new("Click the image\nto open in a\nnew window");
gtk_label_set_justify(GTK_LABEL(label), GTK_JUSTIFY_CENTER);
gtk_box_pack_start(GTK_BOX(self->prop_box), label, FALSE, TRUE, 10);
gtk_widget_show_all(self->prop_box);
}
