[gnome-photos/wip/rishi/misc-fixes: 21/22] base-item: Add photos_base_item_save_guess_sizes_async
- From: Debarshi Ray <debarshir src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-photos/wip/rishi/misc-fixes: 21/22] base-item: Add photos_base_item_save_guess_sizes_async
- Date: Fri, 25 Dec 2015 09:21:28 +0000 (UTC)
commit 07c8900482c3df5ee08edda0e6fc983bb8f6ef5b
Author: Debarshi Ray <debarshir gnome org>
Date: Wed Dec 23 16:49:13 2015 +0100
base-item: Add photos_base_item_save_guess_sizes_async
https://bugzilla.gnome.org/show_bug.cgi?id=759363
src/photos-base-item.c | 117 ++++++++++++++++++++++++++++++++++++++++++++++++
src/photos-base-item.h | 11 +++++
2 files changed, 128 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-base-item.c b/src/photos-base-item.c
index ffbbdf9..ee850a5 100644
--- a/src/photos-base-item.c
+++ b/src/photos-base-item.c
@@ -970,6 +970,53 @@ photos_base_item_process_idle (gpointer user_data)
static void
+photos_base_item_save_guess_sizes_from_buffer (GCancellable *cancellable,
+ GeglBuffer *buffer,
+ gsize *out_size,
+ gsize *out_size_1)
+{
+ GeglNode *buffer_source;
+ GeglNode *graph;
+ GeglNode *guess_sizes;
+ gsize sizes[0];
+
+ graph = gegl_node_new ();
+ buffer_source = gegl_node_new_child (graph, "operation", "gegl:buffer-source", "buffer", buffer, NULL);
+ guess_sizes = gegl_node_new_child (graph,
+ "operation", "photos:jpg-guess-sizes",
+ "optimize", FALSE,
+ "progressive", FALSE,
+ "sampling", TRUE,
+ NULL);
+ gegl_node_link (buffer_source, guess_sizes);
+ gegl_node_process (guess_sizes);
+
+ gegl_node_get (guess_sizes, "size", &sizes[0], "size-1", &sizes[1], NULL);
+ if (out_size != NULL)
+ *out_size = sizes[0];
+ if (out_size_1 != NULL)
+ *out_size_1 = sizes[1];
+
+ g_object_unref (graph);
+}
+
+
+static void
+photos_base_item_save_guess_sizes_in_thread_func (GTask *task,
+ gpointer source_object,
+ gpointer task_data,
+ GCancellable *cancellable)
+{
+ GeglBuffer *buffer = GEGL_BUFFER (task_data);
+ gsize *sizes;
+
+ sizes = g_malloc0_n (2, sizeof (gsize));
+ photos_base_item_save_guess_sizes_from_buffer (cancellable, buffer, &sizes[0], &sizes[1]);
+ g_task_return_pointer (task, sizes, g_free);
+}
+
+
+static void
photos_base_item_save_save_to_stream (GObject *source_object, GAsyncResult *res, gpointer user_data)
{
GTask *task = G_TASK (user_data);
@@ -2125,6 +2172,76 @@ photos_base_item_save_finish (PhotosBaseItem *self, GAsyncResult *res, GError **
void
+photos_base_item_save_guess_sizes_async (PhotosBaseItem *self,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data)
+{
+ PhotosBaseItemPrivate *priv;
+ const Babl *format;
+ GeglBuffer *buffer;
+ GeglNode *graph;
+ GeglRectangle bbox;
+ GTask *task;
+
+ g_return_if_fail (PHOTOS_IS_BASE_ITEM (self));
+ priv = self->priv;
+
+ g_return_if_fail (priv->edit_graph != NULL);
+ g_return_if_fail (priv->filename != NULL && priv->filename[0] != '\0');
+ g_return_if_fail (priv->load_graph != NULL);
+ g_return_if_fail (priv->processor != NULL);
+ g_return_if_fail (!gegl_processor_work (priv->processor, NULL));
+
+ graph = photos_pipeline_get_graph (priv->pipeline);
+ bbox = gegl_node_get_bounding_box (graph);
+ format = babl_format ("R'G'B' u8");
+ buffer = gegl_buffer_new (&bbox, format);
+ gegl_node_blit_buffer (graph, buffer, &bbox, 0, GEGL_ABYSS_NONE);
+
+ task = g_task_new (self, cancellable, callback, user_data);
+ g_task_set_source_tag (task, photos_base_item_save_guess_sizes_async);
+ g_task_set_task_data (task, g_object_ref (buffer), g_object_unref);
+
+ g_task_run_in_thread (task, photos_base_item_save_guess_sizes_in_thread_func);
+
+ g_object_unref (buffer);
+ g_object_unref (task);
+}
+
+
+gboolean
+photos_base_item_save_guess_sizes_finish (PhotosBaseItem *self,
+ GAsyncResult *res,
+ gsize *out_size,
+ gsize *out_size_1,
+ GError **error)
+{
+ GTask *task = G_TASK (res);
+ gboolean ret_val = FALSE;
+ gsize *sizes;
+
+ g_return_val_if_fail (g_task_is_valid (res, self), FALSE);
+ g_return_val_if_fail (g_task_get_source_tag (task) == photos_base_item_save_guess_sizes_async, FALSE);
+ g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
+
+ sizes = g_task_propagate_pointer (task, error);
+ if (g_task_had_error (task))
+ goto out;
+
+ ret_val = TRUE;
+
+ if (out_size != NULL)
+ *out_size = sizes[0];
+ if (out_size_1 != NULL)
+ *out_size_1 = sizes[1];
+
+ out:
+ return ret_val;
+}
+
+
+void
photos_base_item_save_to_dir_async (PhotosBaseItem *self,
GFile *dir,
GCancellable *cancellable,
diff --git a/src/photos-base-item.h b/src/photos-base-item.h
index 792f60f..ad13e13 100644
--- a/src/photos-base-item.h
+++ b/src/photos-base-item.h
@@ -231,6 +231,17 @@ gboolean photos_base_item_save_finish (PhotosBaseItem *se
GAsyncResult *res,
GError **error);
+void photos_base_item_save_guess_sizes_async (PhotosBaseItem *self,
+ GCancellable *cancellable,
+ GAsyncReadyCallback callback,
+ gpointer user_data);
+
+gboolean photos_base_item_save_guess_sizes_finish (PhotosBaseItem *self,
+ GAsyncResult *res,
+ gsize *out_size,
+ gsize *out_size_1,
+ GError **error);
+
void photos_base_item_save_to_dir_async (PhotosBaseItem *self,
GFile *dir,
GCancellable *cancellable,
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