also clean-up and 'standardize' the include sections of canvas' source code
Change-Id: Ib437a41ea41ae2ea6528f755ae5b2828775aaf73
Reviewed-on: https://gerrit.libreoffice.org/17633
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Norbert Thiebaud <nthiebaud@gmail.com>
Adds opengl canvas implementation - display-list-based, all
rendering done as textured geometry. Needs shader support.
Currently compiles and works on Linux, Mac should be ~easy to
add, win32 eventually.
Change-Id: Ibf3eb88d6a36a91b2960a3a6320d708160e4fc14
