From 4d347a840cd411bd627e868190520fc7c952ded8 Mon Sep 17 00:00:00 2001
From: Paul Falstad <paul@falstad.com>
Date: Sun, 27 Oct 2024 14:46:03 -0700
Subject: [PATCH] fix 7 seg in common cathode/anode mode in printable mode
 (#100)

---
 .../lushprojects/circuitjs1/client/SevenSegElm.java   | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/com/lushprojects/circuitjs1/client/SevenSegElm.java b/src/com/lushprojects/circuitjs1/client/SevenSegElm.java
index 0316de3a..67c4e3d5 100644
--- a/src/com/lushprojects/circuitjs1/client/SevenSegElm.java
+++ b/src/com/lushprojects/circuitjs1/client/SevenSegElm.java
@@ -278,9 +278,10 @@ void stepFinished() {
 	}
 
 	void setColor(Graphics g, int p) {
+	    boolean whiteBkg = sim.printableCheckItem.getState();
 	    if (diodeDirection == 0) {
 		g.setColor(pins[p].value ? Color.red :
-		       sim.printableCheckItem.getState() ? lightgray : darkred);
+			whiteBkg ? lightgray : darkred);
 		return;
 	    }
 	    // 10mA current = max brightness
@@ -289,9 +290,11 @@ void setColor(Graphics g, int p) {
                 w = 255*(1+.2*Math.log(w));
             if (w > 255)
                 w = 255;
-            if (w < 30)
-                w = 30;
-            Color cc = new Color((int) w, 0, 0);
+	    double minw = (whiteBkg) ? 5 : 30;
+            if (w < minw)
+                w = minw;
+	    int wi = (int) w;
+            Color cc = whiteBkg ? new Color(255, 255-wi, 255-wi) : new Color(wi, 0, 0);
             g.setColor(cc);
 	}
 	int getPostCount() { return pinCount; }