C++ (Cpp) gth_image_task_set_source_surface Examples

Example #1

File: gth-file-tool-adjust-contrast.c Project: cormac-w/gthumb

static gboolean
apply_cb (gpointer user_data)
{
	GthFileToolAdjustContrast *self = user_data;
	GtkWidget                 *window;

	if (self->priv->apply_event != 0) {
		g_source_remove (self->priv->apply_event);
		self->priv->apply_event = 0;
	}

	if (self->priv->image_task != NULL) {
		gth_task_cancel (self->priv->image_task);
		return FALSE;
	}

	window = gth_file_tool_get_window (GTH_FILE_TOOL (self));

	self->priv->image_task = get_image_task_for_method (self->priv->method);
	if (self->priv->apply_to_original)
		gth_image_task_set_source_surface (GTH_IMAGE_TASK (self->priv->image_task), gth_image_viewer_page_tool_get_source (GTH_IMAGE_VIEWER_PAGE_TOOL (self)));
	else
		gth_image_task_set_source_surface (GTH_IMAGE_TASK (self->priv->image_task), self->priv->preview);

	g_signal_connect (self->priv->image_task,
			  "completed",
			  G_CALLBACK (image_task_completed_cb),
			  self);
	gth_browser_exec_task (GTH_BROWSER (window), self->priv->image_task, GTH_TASK_FLAGS_DEFAULT);

	return FALSE;
}

Example #2

File: gth-file-tool-resize.c Project: cormac-w/gthumb

static gboolean
update_image_size_cb (gpointer user_data)
{
	GthFileToolResize *self = user_data;

	self->priv->update_size_id = 0;

	if (self->priv->resize_task != NULL) {
		gth_task_cancel (self->priv->resize_task);
		return FALSE;
	}

	self->priv->resize_task = gth_image_task_new (_("Resizing images"),
						      NULL,
						      resize_task_exec,
						      NULL,
						      self,
						      NULL);
	if (self->priv->apply_to_original)
		gth_image_task_set_source_surface (GTH_IMAGE_TASK (self->priv->resize_task), gth_image_viewer_page_tool_get_source (GTH_IMAGE_VIEWER_PAGE_TOOL (self)));
	else
		gth_image_task_set_source_surface (GTH_IMAGE_TASK (self->priv->resize_task), self->priv->preview);

	g_signal_connect (self->priv->resize_task,
			  "completed",
			  G_CALLBACK (resize_task_completed_cb),
			  self);
	gth_browser_exec_task (GTH_BROWSER (gth_file_tool_get_window (GTH_FILE_TOOL (self))),
			       self->priv->resize_task,
			       GTH_TASK_FLAGS_DEFAULT);

	return FALSE;
}

Example #3

File: gth-file-tool-grayscale.c Project: cristiklein/gthumb

static gboolean
apply_cb (gpointer user_data)
{
	GthFileToolGrayscale *self = user_data;
	GtkWidget            *window;
	GrayscaleData        *grayscale_data;

	if (self->priv->apply_event != 0) {
		g_source_remove (self->priv->apply_event);
		self->priv->apply_event = 0;
	}

	if (self->priv->image_task != NULL) {
		gth_task_cancel (self->priv->image_task);
		return FALSE;
	}

	window = gth_file_tool_get_window (GTH_FILE_TOOL (self));

	grayscale_data = g_new0 (GrayscaleData, 1);
	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (GET_WIDGET ("brightness_radiobutton"))))
		grayscale_data->method = METHOD_BRIGHTNESS;
	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (GET_WIDGET ("saturation_radiobutton"))))
		grayscale_data->method = METHOD_SATURATION;
	if (gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (GET_WIDGET ("average_radiobutton"))))
		grayscale_data->method = METHOD_AVARAGE;

	self->priv->image_task = gth_image_task_new (_("Applying changes"),
						     NULL,
						     grayscale_exec,
						     NULL,
						     grayscale_data,
						     grayscale_data_free);
	if (self->priv->apply_to_original)
		gth_image_task_set_source_surface (GTH_IMAGE_TASK (self->priv->image_task), gth_image_viewer_page_tool_get_source (GTH_IMAGE_VIEWER_PAGE_TOOL (self)));
	else
		gth_image_task_set_source_surface (GTH_IMAGE_TASK (self->priv->image_task), self->priv->preview);

	g_signal_connect (self->priv->image_task,
			  "completed",
			  G_CALLBACK (image_task_completed_cb),
			  self);
	gth_browser_exec_task (GTH_BROWSER (window), self->priv->image_task, FALSE);

	return FALSE;
}