Diff: GraphicsDisplay.cpp

Revision:

114:dbfb996bfbf3

Parent:

112:325ca91bc03d

Child:

115:c9862fd0c689

--- a/GraphicsDisplay.cpp	Wed Apr 27 01:29:55 2016 +0000
+++ b/GraphicsDisplay.cpp	Sun May 15 18:57:06 2016 +0000
@@ -105,13 +105,18 @@
     return window(r.p1.x, r.p1.y, r.p2.x + 1 - r.p1.x, r.p2.y + 1 - r.p1.y);
 }
 
-RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t width, dim_t height)
+RetCode_t GraphicsDisplay::window(loc_t x, loc_t y, dim_t _width, dim_t _height)
 {
+    if (_width == (dim_t)-1)
+        _width = width() - x;
+    if (_height == (dim_t)-1)
+        _height = height() - y;
+
     // Save the window metrics
     windowrect.p1.x = x;
     windowrect.p1.y = y;
-    windowrect.p2.x = x + width - 1;
-    windowrect.p2.y = y + height - 1;
+    windowrect.p2.x = x + _width - 1;
+    windowrect.p2.y = y + _height - 1;
     // current pixel location
     _x = x;
     _y = y;