added object cache

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/common/ObjectCache.java

@@ -0,0 +1,32 @@
+package org.diylc.common;
+
+import java.awt.BasicStroke;
+import java.awt.Stroke;
+import java.util.HashMap;
+import java.util.Map;
+
+public class ObjectCache {
+
+	private static ObjectCache instance;
+	
+	public static ObjectCache getInstance() {
+		if (instance == null) {
+			instance = new ObjectCache();
+		}
+		return instance;
+	}
+	
+	private ObjectCache() {
+	}
+	
+	private Map<Integer, Stroke> basicStrokeMap = new HashMap<Integer, Stroke>();
+	
+	public Stroke fetchBasicStroke(int width) {
+		if (basicStrokeMap.containsKey(width)) {
+			return basicStrokeMap.get(width);
+		}
+		Stroke stroke = new BasicStroke(width);
+		basicStrokeMap.put(width, stroke);
+		return stroke;
+	}
+}

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/components/AbstractCurvedComponent.java

@@ -8,6 +8,7 @@ import java.awt.Graphics2D;
 import java.awt.Point;
 import java.awt.geom.CubicCurve2D;
 
+import org.diylc.common.ObjectCache;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -50,12 +51,12 @@ public abstract class AbstractCurvedComponent<T> extends AbstractTransparentComp
 	@Override
 	public void drawIcon(Graphics2D g2d, int width, int height) {
 		g2d.setColor(getDefaultColor().darker());
-		g2d.setStroke(new BasicStroke(3));
+		g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(3));
 		CubicCurve2D curve = new CubicCurve2D.Double(1, height - 1, width / 4, height / 3,
 				3 * width / 4, 2 * height / 3, width - 1, 1);
 		g2d.draw(curve);
 		g2d.setColor(getDefaultColor());
-		g2d.setStroke(new BasicStroke(1));
+		g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(1));
 		g2d.draw(curve);
 	}
 

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/components/AbstractLeadedComponent.java

@@ -12,6 +12,7 @@ import java.awt.Shape;
 import java.awt.geom.Rectangle2D;
 
 import org.diylc.common.Display;
+import org.diylc.common.ObjectCache;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
@@ -65,12 +66,14 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
 		double distance = points[0].distance(points[1]);
 		Shape shape = getBodyShape();
 		if (shape == null) {
-			g2d.setStroke(new BasicStroke(getLeadThickness().convertToPixels()));
+			g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(
+					getLeadThickness().convertToPixels()));
 			g2d.setColor(shouldShadeLeads() ? getLeadColor(componentState).darker()
 					: getLeadColor(componentState));
 			g2d.drawLine(points[0].x, points[0].y, points[1].x, points[1].y);
 			if (shouldShadeLeads()) {
-				g2d.setStroke(new BasicStroke(getLeadThickness().convertToPixels() - 2));
+				g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(
+						getLeadThickness().convertToPixels() - 2));
 				g2d.setColor(getLeadColor(componentState));
 				g2d.drawLine(points[0].x, points[0].y, points[1].x, points[1].y);
 			}
@@ -99,7 +102,7 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
 		g2d.draw(shape);
 		// Draw leads.
 		int leadThickness = getClosestOdd(getLeadThickness().convertToPixels());
-		g2d.setStroke(new BasicStroke(leadThickness));
+		g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(leadThickness));
 		g2d.setColor(shouldShadeLeads() ? getLeadColor(componentState).darker()
 				: getLeadColor(componentState));
 		g2d.drawLine((int) (shapeRect.width - distance) / 2, (int) shapeRect.height / 2,
@@ -109,7 +112,7 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
 				(int) ((shapeRect.width + distance) / 2 - leadLenght) + leadThickness / 2,
 				(int) shapeRect.height / 2);
 		if (shouldShadeLeads()) {
-			g2d.setStroke(new BasicStroke(leadThickness - 2));
+			g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(leadThickness - 2));
 			g2d.setColor(getLeadColor(componentState));
 			g2d.drawLine((int) (shapeRect.width - distance) / 2, (int) shapeRect.height / 2,
 					(int) ((shapeRect.width - distance) / 2 + leadLenght) - leadThickness / 2,

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/DrawingManager.java

@@ -23,6 +23,7 @@ import org.diylc.common.DrawOption;
 import org.diylc.common.EventType;
 import org.diylc.common.GridType;
 import org.diylc.common.IComponentFiler;
+import org.diylc.common.ObjectCache;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.Project;
@@ -249,7 +250,7 @@ public class DrawingManager {
 
 		// Draw component area for test
 		if (DEBUG_COMPONENT_AREAS) {
-			g2d.setStroke(new BasicStroke());
+			g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(1));
 			g2d.setColor(Color.red);
 			for (Area area : componentAreaMap.values()) {
 				g2d.draw(area);