X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Ftrackcanvas.inc;h=96c6c8c5146f095c0e3411b2714a482182485aad;hp=8d31d86a9f4ea56f17cb0de0e3ab7565a47cbca1;hb=834732af87bfd7f1d4035109f31e48db12b415fa;hpb=7fd85fb66168f6b518c5f2d73e04036e87faa0e1

diff --git a/cinelerra-5.1/cinelerra/trackcanvas.inc b/cinelerra-5.1/cinelerra/trackcanvas.inc
index 8d31d86a..96c6c8c5 100644
--- a/cinelerra-5.1/cinelerra/trackcanvas.inc
+++ b/cinelerra-5.1/cinelerra/trackcanvas.inc
@@ -27,4 +27,14 @@ class TrackCanvas;
 #define HANDLE_W 8
 #define HANDLE_H 8
 
+// draw mode:
+// NO_DRAW used in MWindowGUI/TimelinePane update to disable canvas update
+// NORMAL_DRAW causes incremental drawing of pixmaps.  Used for navigation and index refresh.
+// FORCE_REDRAW causes all resource pixmaps to be redrawn from scratch.  Used by editing.
+// IGNORE_THREAD causes resource pixmaps to ignore picon thread.  Used by Piconthread.
+#define NO_DRAW 0
+#define NORMAL_DRAW 1
+#define FORCE_REDRAW 2
+#define IGNORE_THREAD 3
+
 #endif