rendering performance optimization

diylc/.run/DIYLCStarter.run.xml

@@ -2,7 +2,7 @@
   <configuration default="false" name="DIYLCStarter" type="Application" factoryName="Application" nameIsGenerated="true">
     <option name="MAIN_CLASS_NAME" value="org.diylc.DIYLCStarter" />
     <module name="diylc-swing" />
-    <option name="VM_PARAMETERS" value="-Xms1024m -Xmx4096m -Dorg.diylc.scriptRun=true -Dfile.encoding=UTF-8 --add-exports java.desktop/com.apple.eawt.event=ALL-UNNAMED --add-exports java.desktop/com.apple.eio=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.text=ALL-UNNAMED --add-opens java.desktop/java.awt=ALL-UNNAMED --add-opens java.desktop/java.awt.font=ALL-UNNAMED --add-opens java.desktop/java.awt.geom=ALL-UNNAMED" />
+    <option name="VM_PARAMETERS" value="-Xms1024m -Xmx4096m -Ddorg.diylc.debugAreaPerformance=true -Dorg.diylc.scriptRun=true -Dfile.encoding=UTF-8 --add-exports java.desktop/com.apple.eawt.event=ALL-UNNAMED --add-exports java.desktop/com.apple.eio=ALL-UNNAMED --add-opens java.base/java.util=ALL-UNNAMED --add-opens java.base/java.lang=ALL-UNNAMED --add-opens java.base/java.text=ALL-UNNAMED --add-opens java.desktop/java.awt=ALL-UNNAMED --add-opens java.desktop/java.awt.font=ALL-UNNAMED --add-opens java.desktop/java.awt.geom=ALL-UNNAMED" />
     <extension name="coverage">
       <pattern>
         <option name="PATTERN" value="org.diylc.*" />

diylc/diylc-core/src/main/java/org/diylc/presenter/G2DWrapper.java

@@ -63,6 +63,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 
+import org.apache.log4j.Logger;
 import org.diylc.common.ObjectCache;
 import org.diylc.common.ZoomableStroke;
 import org.diylc.core.IDrawingObserver;
@@ -81,7 +82,12 @@ class G2DWrapper extends Graphics2D implements IDrawingObserver {
   public static int LINE_SENSITIVITY_MARGIN = 2;
   public static int CURVE_SENSITIVITY = 6;
 
+  private static final Logger LOG = Logger.getLogger(G2DWrapper.class);
+
+  public static String DEBUG_AREA_PERFORMANCE = "org.diylc.debugAreaPerformance";
+
   private boolean drawingComponent = false;
+  private final boolean debugAreaPerformance;
   private boolean trackingAllowed = true;
   private boolean trackingContinuityAllowed = false;
   private boolean trackingContinuityPositive = true;
@@ -115,6 +121,8 @@ class G2DWrapper extends Graphics2D implements IDrawingObserver {
   public G2DWrapper(Graphics2D canvasGraphics, double zoom) {
     super();
     this.canvasGraphics = canvasGraphics;
+    String debugAreaPerformanceStr = System.getProperty(DEBUG_AREA_PERFORMANCE);
+    debugAreaPerformance = "true".equalsIgnoreCase(debugAreaPerformanceStr);
     this.zoom = zoom;
     currentArea = new Area();
     continuityPositiveAreas = new HashMap<String, Area>();
@@ -236,9 +244,19 @@ class G2DWrapper extends Graphics2D implements IDrawingObserver {
       Area area = new Area(s);
       area.transform(currentTx);
 
-      if (trackingAllowed)
+      Area areaBefore = null;
+      if (debugAreaPerformance) {
+        areaBefore = new Area(currentArea);
+      }
+
+      if (trackingAllowed) {
         currentArea.add(area);
 
+        if (debugAreaPerformance && currentArea.equals(areaBefore)) {
+          LOG.warn("Detected unnecessary shape tracking at", new Throwable());
+        }
+      }
+
       Map<String, Area> toAdd;
       if (trackingContinuityAllowed) {
         if (trackingContinuityPositive)

diylc/diylc-library/src/main/java/org/diylc/components/AbstractLeadedComponent.java

@@ -355,6 +355,7 @@ public abstract class AbstractLeadedComponent<T> extends AbstractLabeledComponen
     if (getDisplay() == Display.BOTH) {
       label = getName() + " " + (getValue() == null ? "" : getValue().toString());
     }
+    if (!label.isEmpty()) {
       Rectangle2D textRect = fontMetrics.getStringBounds(label, g2d);
       // Don't offset in outline mode.
       int offset = outlineMode ? 0 : getLabelOffset((int) length, (int) width, (int) textRect.getWidth());
@@ -366,9 +367,8 @@ public abstract class AbstractLeadedComponent<T> extends AbstractLabeledComponen
         offset = -offset;
       }
 
-    drawingObserver.startTracking();
-    
       if (getMoveLabel()) {
+        drawingObserver.startTracking();
         g2d.setTransform(oldTransform);
         g2d.translate(getPoints()[2].getX(), getPoints()[2].getY());
         if (getLabelOriantation() != LabelOriantation.Horizontal) {
@@ -378,17 +378,20 @@ public abstract class AbstractLeadedComponent<T> extends AbstractLabeledComponen
         g2d.setTransform(oldTransform);
       } else {
         if (isStanding() || getLabelOriantation() == LabelOriantation.Horizontal) {
+          drawingObserver.startTracking();
           g2d.setTransform(oldTransform);
           double x = (getPoints()[0].getX() + getPoints()[1].getX() - length) / 2.0;
           double y = (getPoints()[0].getY() + getPoints()[1].getY() - width) / 2.0;
           g2d.drawString(label, (int) (x + (length - textRect.getWidth()) / 2 + offset),
-            (int)(y + calculateLabelYOffset(shapeRect, textRect, fontMetrics)));
+              (int) (y + calculateLabelYOffset(shapeRect, textRect, fontMetrics)));
         } else {
+          drawingObserver.stopTracking();
           g2d.drawString(label, (int) (length - textRect.getWidth()) / 2 + offset,
               calculateLabelYOffset(shapeRect, textRect, fontMetrics));
           g2d.setTransform(oldTransform);
         }
       }
+    }
 //      if (getLabelOriantation() == LabelOriantation.Horizontal) {        
 //
 //        drawCenteredText(g2d, label, getNewPoints()[2].getX(), getNewPoints()[2].getX(), HorizontalAlignment.CENTER, VerticalAlignment.CENTER);

diylc/diylc-library/src/main/java/org/diylc/components/connectivity/SolderPad.java

@@ -109,6 +109,7 @@ public class SolderPad extends AbstractTransparentComponent<Void>
       g2d.fill(new Rectangle2D.Double(point.getX() - diameter / 2, point.getY() - diameter / 2,
           diameter, diameter));
     }
+    drawingObserver.stopTracking();
     drawingObserver.stopTrackingContinuityArea();
     if (gerberDrawingObserver != null)
       gerberDrawingObserver.stopGerberOutput(org.diylc.core.gerber.GerberLayer.SolderMaskBot);

diylc/diylc-library/src/main/java/org/diylc/components/electromechanical/OpenJack1_4.java

@@ -166,8 +166,6 @@ public class OpenJack1_4 extends AbstractMultiPartComponent<OpenJackType> {
     if (body[3] != null)
       g2d.draw(body[3]);
 
-    drawingObserver.startTracking();
-
     // draw labels
     if (showLabels) {
       g2d.setColor(BASE_COLOR.darker());

diylc/diylc-library/src/main/java/org/diylc/components/guitar/SchallerMegaSwitch.java

@@ -110,6 +110,7 @@ public class SchallerMegaSwitch extends AbstractAngledComponent<String> implemen
       }
       g2d.setColor(outlineMode ? Constants.TRANSPARENT_COLOR : BASE_COLOR);
       g2d.fill(body[0]);
+      drawingObserver.stopTracking();
       g2d.setColor(outlineMode ? Constants.TRANSPARENT_COLOR : WAFER_COLOR);
       g2d.fill(body[1]);
       g2d.setComposite(oldComposite);

diylc/diylc-library/src/main/java/org/diylc/components/passive/PotentiometerPanel.java

@@ -308,6 +308,9 @@ public class PotentiometerPanel extends AbstractPotentiometer implements ILayere
         g2d.draw(shape);
       }
     }
+
+    drawingObserver.stopTracking();
+
     // Draw caption.
     g2d.setFont(project.getFont());
     

diylc/diylc-library/src/main/java/org/diylc/components/passive/TrimmerPotentiometer.java

@@ -375,14 +375,13 @@ public class TrimmerPotentiometer extends AbstractPotentiometer {
     Shape shaftShape = getBody()[1];
     Theme theme = (Theme) ConfigurationManager.getInstance().readObject(IPlugInPort.THEME_KEY, Constants.DEFAULT_THEME);
     if (mainShape != null) {
-      g2d.setColor(bodyColor);
+      g2d.setColor(outlineMode ? Constants.TRANSPARENT_COLOR : bodyColor);
       Composite oldComposite = g2d.getComposite();
       if (alpha < MAX_ALPHA) {
         g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1f * alpha / MAX_ALPHA));
       }
-      if (!outlineMode) {
       g2d.fill(mainShape);
-      }
+      drawingObserver.stopTracking();
       if (!outlineMode && shaftShape != null) {
         g2d.setColor(SHAFT_COLOR);
         g2d.fill(shaftShape);