git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3342 92316355-f0b4-4df1-b90c-862c8a59935f

pipi_get_pixels using the tiles system. These functions should
disappear one day, because they're going to leak like crazy.

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3341 92316355-f0b4-4df1-b90c-862c8a59935f

git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@3339 92316355-f0b4-4df1-b90c-862c8a59935f