fix: GridSize change, show brightness compensation (#746)

* show brightness compensation and set to 0

* New gridLayout calculation and px limiter

Author: brindosch

include/utils/hyperion.h

@@ -259,6 +259,18 @@ namespace hyperion {
 		QSize gridSize( midPointsX.size(), midPointsY.size() );
 		//Debug(_log, "LED layout grid size: %dx%d", gridSize.width(), gridSize.height());
 
+		// Limit to 80px for performance reasons
+		const int pl = 80;
+		if(gridSize.width() > pl || gridSize.height() > pl)
+			gridSize.scale(pl, pl, Qt::KeepAspectRatio);
+
+		// Correct the grid in case it is malformed in width vs height
+		// Expected is at least 50% of width <-> height
+		if((gridSize.width() / gridSize.height()) > 2)
+			gridSize.setHeight(qMax(1,gridSize.width()/2));
+		else if((gridSize.width() / gridSize.height()) < 0.5)
+			gridSize.setWidth(qMax(1,gridSize.height()/2));
+
 		return gridSize;
 	}
 };

libsrc/hyperion/schema/schema-color.json

@@ -195,9 +195,8 @@
 						"required" : true,
 						"minimum" : 0,
 						"maximum": 100,
-						"default" : 90,
+						"default" : 0,
 						"append" : "edt_append_percent",
-						"access" : "advanced",
 						"propertyOrder" : 14
 					},
 					"gammaRed" :