C++ (Cpp) gth_image_task_get_destination примеры использования

Пример #1

Файл: gth-file-tool-adjust-contrast.c Проект: KapTmaN/gthumb

static void
image_task_completed_cb (GthTask  *task,
			 GError   *error,
			 gpointer  user_data)
{
	GthFileTool     *base = user_data;
	GthImage        *destination_image;
	cairo_surface_t *destination;
	GtkWidget       *window;
	GtkWidget       *viewer_page;

	if (error != NULL) {
		g_object_unref (task);
		return;
	}

	destination_image = gth_image_task_get_destination (GTH_IMAGE_TASK (task));
	if (destination_image == NULL) {
		g_object_unref (task);
		return;
	}

	destination = gth_image_get_cairo_surface (destination_image);

	window = gth_file_tool_get_window (base);
	viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window));
	gth_image_viewer_page_set_image (GTH_IMAGE_VIEWER_PAGE (viewer_page), destination, TRUE);

	cairo_surface_destroy (destination);
	g_object_unref (task);
}

Пример #2

Файл: gth-file-tool-adjust-contrast.c Проект: cormac-w/gthumb

static void
image_task_completed_cb (GthTask  *task,
			 GError   *error,
			 gpointer  user_data)
{
	GthFileToolAdjustContrast *self = user_data;
	GthImage		  *destination_image;

	self->priv->image_task = NULL;

	if (self->priv->closing) {
		g_object_unref (task);
		gth_image_viewer_page_tool_reset_image (GTH_IMAGE_VIEWER_PAGE_TOOL (self));
		return;
	}

	if (error != NULL) {
		if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_CANCELLED))
			apply_changes (self);
		g_object_unref (task);
		return;
	}

	destination_image = gth_image_task_get_destination (GTH_IMAGE_TASK (task));
	if (destination_image == NULL) {
		g_object_unref (task);
		return;
	}

	cairo_surface_destroy (self->priv->destination);
	self->priv->destination = gth_image_get_cairo_surface (destination_image);
	self->priv->last_applied_method = self->priv->method;

	if (self->priv->apply_to_original) {
		if (self->priv->destination != NULL) {
			GtkWidget *window;
			GtkWidget *viewer_page;

			window = gth_file_tool_get_window (GTH_FILE_TOOL (self));
			viewer_page = gth_browser_get_viewer_page (GTH_BROWSER (window));
			gth_image_viewer_page_set_image (GTH_IMAGE_VIEWER_PAGE (viewer_page), self->priv->destination, TRUE);
		}

		gth_file_tool_hide_options (GTH_FILE_TOOL (self));
	}
	else {
		if (! self->priv->view_original)
			gth_preview_tool_set_image (GTH_PREVIEW_TOOL (self->priv->preview_tool), self->priv->destination);
	}

	g_object_unref (task);
}