More rendering speedup

[Mograsim.git] / net.mograsim.logic.ui / src / net / mograsim / logic / ui / LogicUIRenderer.java

diff --git a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/LogicUIRenderer.java b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/LogicUIRenderer.java
index 5182a24..4b451fc 100644 (file)
--- a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/LogicUIRenderer.java
+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/LogicUIRenderer.java
@@ -23,7 +23,13 @@ public class LogicUIRenderer
        public void render(GeneralGC gc, Rectangle visibleRegion)
        {
                gc.setLineWidth(.5);
-               model.getWires().forEach(w -> w.render(gc));
+               model.getWires().forEach(w ->
+               {
+                       Rectangle bounds = w.getBounds();
+                       double lw = gc.getLineWidth();
+                       if (visibleRegion.intersects(bounds.x - lw, bounds.y - lw, bounds.width + lw + lw, bounds.height + lw + lw))
+                               w.render(gc);
+               });
                model.getComponents().forEach(c -> renderComponent(gc, c, visibleRegion));
        }