Merge pull request #257 from tne-lab/lfp-beta-drawer-fix

jsiegle · web-flow · commit 8632f3d573a3 · 2018-09-12T15:14:29.000-07:00
Fix crash when opening LFP Viewer Beta drawer before tab or window is opened
diff --git a/Source/Plugins/LfpDisplayNodeBeta/LfpDisplayCanvas.cpp b/Source/Plugins/LfpDisplayNodeBeta/LfpDisplayCanvas.cpp
@@ -1808,6 +1808,9 @@ void LfpDisplay::paint(Graphics& g)
 
 void LfpDisplay::refresh()
 {
+    // Ensure the lfpChannelBitmap has been initialized
+    if (lfpChannelBitmap.isNull()) { resized(); }
+
     // X-bounds of this update
     int fillfrom = canvas->lastScreenBufferIndex[0];
     int fillto = (canvas->screenBufferIndex[0]);

Original file line number	Diff line number	Diff line change
`@@ -1808,6 +1808,9 @@ void LfpDisplay::paint(Graphics& g)`
`1808`	`1808`
`1809`	`1809`	`void LfpDisplay::refresh()`
`1810`	`1810`	`{`
	`1811`	`+ // Ensure the lfpChannelBitmap has been initialized`
	`1812`	`+ if (lfpChannelBitmap.isNull()) { resized(); }`
	`1813`	`+`
`1811`	`1814`	`// X-bounds of this update`
`1812`	`1815`	`int fillfrom = canvas->lastScreenBufferIndex[0];`
`1813`	`1816`	`int fillto = (canvas->screenBufferIndex[0]);`