de0c7e1783
Lets separate the task of painting the tile, and saving the tile in tile buffer using GAsyncReadyCallback. This will provide us with better control over tiles -- cancelling the painting operation, and filtering tiles that should not be saved in the tile buffer. Change-Id: I6aae928d8cc0c906034570ed0e9a054763d493a3 Reviewed-on: https://gerrit.libreoffice.org/19725 Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk> Tested-by: Miklos Vajna <vmiklos@collabora.co.uk>