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authorMichael Stahl <mstahl@redhat.com>2018-03-07 12:32:59 +0100
committerMichael Stahl <mstahl@redhat.com>2018-03-07 13:08:18 +0100
commitdf4bbaecec0b42e0e17c95c6b281fda174fccafa (patch)
tree9e37859ea3798f14c68f35f431d44d53d64ec3aa /sdext
parent16605d0cdc2c15ab4ae175531ba52824bf52bc70 (diff)
sdext: document the secondary screen of Presenter Console
Change-Id: I539a698994b5fa20e3d371ae56d9aaf3001dba2b
Diffstat (limited to 'sdext')
-rw-r--r--sdext/README5
1 files changed, 5 insertions, 0 deletions
diff --git a/sdext/README b/sdext/README
index a4f5cf654a11..63bfd6d0a793 100644
--- a/sdext/README
+++ b/sdext/README
@@ -23,3 +23,8 @@ source/presenter/ - Impress / Presenter Console.
canvas (e.g. cairo canvas), while the entire secondary screen
uses a VCL-canvas that is created in
sd::framework::FullScreenPane::CreateCanvas().
+
+ The secondary screen contains 3 "Panes" which each have
+ 2 XWindows for the border area & the actual content,
+ and each content Pane is backed by a sd::presenter::PresenterCanvas
+ that wraps the FullScreenPane's canvas and does clipping.