X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.ui%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fui%2FLogicUIRenderer.java;h=04d0f25143dde868dbc45c4b13ac244d35e13f5b;hb=e7eb7ef33104e3795a0f312623fd2b947392aea1;hp=a2be5bac221a0b7b6256e2fad6fd11d1b3e5eba4;hpb=d41ad7b05f8776139e1205d8e236743fa701312c;p=Mograsim.git

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 a2be5bac..04d0f251 100644
--- a/net.mograsim.logic.ui/src/net/mograsim/logic/ui/LogicUIRenderer.java
+++ b/net.mograsim.logic.ui/src/net/mograsim/logic/ui/LogicUIRenderer.java
@@ -22,21 +22,33 @@ public class LogicUIRenderer
 
 	public void render(GeneralGC gc, Rectangle visibleRegion)
 	{
+		gc.setClipping(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));
 	}
 
 	private static void renderComponent(GeneralGC gc, GUIComponent component, Rectangle visibleRegion)
 	{
-		component.render(gc, visibleRegion);
-		if (DRAW_PINS)
+		Rectangle bounds = component.getBounds();
+		double lw = gc.getLineWidth();
+		if (visibleRegion.intersects(bounds.x - lw, bounds.y - lw, bounds.width + lw + lw, bounds.height + lw + lw))
 		{
-			gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_DARK_CYAN));
-			for (Pin p : component.getPins())
+			component.render(gc, visibleRegion);
+			if (DRAW_PINS)
 			{
-				Point pos = p.getPos();
-				gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
+				gc.setBackground(gc.getDevice().getSystemColor(SWT.COLOR_DARK_CYAN));
+				for (Pin p : component.getPins())
+				{
+					Point pos = p.getPos();
+					gc.fillOval(pos.x - 1, pos.y - 1, 2, 2);
+				}
 			}
 		}
 	}