David Smart / RA8875_L

Updated standard library

Diff: GraphicsDisplay.cpp

Revision:
142:6e9bff59878a
Parent:
136:224e03d5c31f
Child:
146:373d59f08357
--- a/GraphicsDisplay.cpp	Thu Dec 29 20:06:00 2016 +0000
+++ b/GraphicsDisplay.cpp	Sun Mar 19 21:41:24 2017 +0000
@@ -150,7 +150,17 @@
 
 RetCode_t GraphicsDisplay::cls(uint16_t layers)
 {
-    return fill(0, 0, width(), height(), _background);
+    int restore = GetDrawingLayer();
+    if (layers & 1) {
+        SelectDrawingLayer(0);
+        fill(0, 0, width(), height(), _background);
+    }
+    if (layers & 2) {
+        SelectDrawingLayer(1);
+        fill(0, 0, width(), height(), _background);
+    }
+    SelectDrawingLayer(restore);
+    return noerror;
 }
 
 RetCode_t GraphicsDisplay::blit(loc_t x, loc_t y, dim_t w, dim_t h, const int * color)