Method updatePreviewObjects

src/tools/cut_tool.cpp:544–574

void CutTool::updatePreviewObjects()
{
	Q_ASSERT(!path_tool);
	if (editingInProgress() && qAbs(drag_end_len - drag_start_len) >= 0.001f)
	{
		if (preview_path)
		{
			renderables->removeRenderablesOfObject(preview_path, false);
		}
		else
		{
			preview_path = new PathObject { Map::getCoveringCombinedLine() };
		}
		
		preview_path->clearCoordinates();
		preview_path->appendPathPart(edit_object->parts()[drag_part_index]);
		if (reverse_drag)
			preview_path->changePathBounds(0, drag_end_len, drag_start_len);
		else
			preview_path->changePathBounds(0, drag_start_len, drag_end_len);
		
		preview_path->update();
		renderables->insertRenderablesOfObject(preview_path);
	}
	else
	{
		deletePreviewObject();
	}
		
	updateDirtyRect();
}


void CutTool::deletePreviewObject()