hotspot tracking optimization

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

@@ -9,6 +9,7 @@ import java.awt.Point;
 import java.awt.geom.CubicCurve2D;
 
 import org.diylc.core.ComponentState;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.measures.Size;
@@ -57,8 +58,11 @@ public abstract class AbstractCurvedComponent<T> extends AbstractTransparentComp
 	}
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		if (componentState == ComponentState.SELECTED || componentState == ComponentState.DRAGGING) {
+			// Do not track guidelines.
+			drawingObserver.stopTracking();
 			g2d.setStroke(new BasicStroke(1, BasicStroke.CAP_ROUND, BasicStroke.JOIN_MITER, 10f,
 					new float[] { 2f, 3f }, 5f));
 			g2d.setColor(GUIDELINE_COLOR);
@@ -68,6 +72,7 @@ public abstract class AbstractCurvedComponent<T> extends AbstractTransparentComp
 					controlPoints[2].y);
 			g2d.drawLine(controlPoints[2].x, controlPoints[2].y, controlPoints[3].x,
 					controlPoints[3].y);
+			drawingObserver.startTracking();
 		}
 		CubicCurve2D curve = new CubicCurve2D.Double(controlPoints[0].x, controlPoints[0].y,
 				controlPoints[1].x, controlPoints[1].y, controlPoints[2].x, controlPoints[2].y,

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

@@ -11,6 +11,7 @@ import java.awt.Rectangle;
 import java.awt.Shape;
 
 import org.diylc.core.ComponentState;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.measures.Size;
@@ -55,7 +56,8 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
 	}
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		double distance = points[0].distance(points[1]);
 		Shape shape = getBodyShape();
 		if (shape == null) {
@@ -92,6 +94,8 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
 				(int) ((shapeRect.width - distance) / 2 + leadLenght), (int) shapeRect.height / 2);
 		g2d.drawLine((int) (shapeRect.width + distance) / 2, (int) shapeRect.height / 2,
 				(int) ((shapeRect.width + distance) / 2 - leadLenght), (int) shapeRect.height / 2);
+		// Do not track the label because that area was already covered.
+		drawingObserver.stopTracking();
 		// Draw label.
 		g2d.setFont(Constants.LABEL_FONT);
 		g2d

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

@@ -93,8 +93,10 @@ public interface IDIYComponent<T> extends Serializable {
 	 * @param g2d
 	 * @param componentState
 	 * @param project
+	 * @param drawingObserver
 	 */
-	void draw(Graphics2D g2d, ComponentState componentState, Project project);
+	void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver);
 
 	/**
 	 * Draws icon representation of the component. This should not depend on

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

@@ -0,0 +1,15 @@
+package org.diylc.core;
+
+/**
+ * Interface for tracking component drawing process. Components may use it to
+ * stop or restart tracking. Anything drawn while tracking is stopped will not
+ * be added to the mouse hot-spot area.
+ * 
+ * @author Branislav Stojkovic
+ */
+public interface IDrawingObserver {
+
+	void stopTracking();
+
+	void startTracking();
+}

diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/presenter/G2DWrapper.java

@@ -37,6 +37,8 @@ import java.awt.image.renderable.RenderableImage;
 import java.text.AttributedCharacterIterator;
 import java.util.Map;
 
+import org.diylc.core.IDrawingObserver;
+
 /**
  * {@link Graphics2D} wrapper that keeps track of all drawing actions and
  * creates an {@link Area} that corresponds to drawn objects. Before each
@@ -47,12 +49,13 @@ import java.util.Map;
  * 
  * @author Branislav Stojkovic
  */
-class G2DWrapper extends Graphics2D {
+class G2DWrapper extends Graphics2D implements IDrawingObserver {
 
 	public static int LINE_SENSITIVITY_MARGIN = 2;
 	public static int CURVE_SENSITIVITY = 6;
 
 	private boolean drawingComponent = false;
+	private boolean trackingAllowed = true;
 
 	private Graphics2D canvasGraphics;
 	private Stroke originalStroke;
@@ -89,6 +92,7 @@ class G2DWrapper extends Graphics2D {
 		originalFont = canvasGraphics.getFont();
 		currentTx = new AffineTransform();
 		lastShape = null;
+		startTracking();
 	}
 
 	/**
@@ -107,13 +111,23 @@ class G2DWrapper extends Graphics2D {
 		return currentArea;
 	}
 
+	@Override
+	public void startTracking() {
+		this.trackingAllowed = true;
+	}
+
+	@Override
+	public void stopTracking() {
+		this.trackingAllowed = false;
+	}
+
 	/**
 	 * Appends shape interior to the current component area.
 	 * 
 	 * @param s
 	 */
 	private void appendShape(Shape s) {
-		if (!drawingComponent) {
+		if (!drawingComponent || !trackingAllowed) {
 			return;
 		}
 		Area area = new Area(s);
@@ -129,7 +143,7 @@ class G2DWrapper extends Graphics2D {
 	 */
 	private void appendShapeOutline(Shape s) {
 		// Do not add shape outline if the same shape has been filled recently.
-		if (!drawingComponent || s.equals(lastShape)) {
+		if (!drawingComponent || !trackingAllowed || s.equals(lastShape)) {
 			return;
 		}
 		lastShape = s;
@@ -235,8 +249,10 @@ class G2DWrapper extends Graphics2D {
 	@Override
 	public void draw(Shape s) {
 		canvasGraphics.draw(s);
+		if (drawingComponent && trackingAllowed) {
 			appendShapeOutline(s);
 		}
+	}
 
 	@Override
 	public void drawGlyphVector(GlyphVector g, float x, float y) {
@@ -270,19 +286,23 @@ class G2DWrapper extends Graphics2D {
 	@Override
 	public void drawString(String str, int x, int y) {
 		canvasGraphics.drawString(str, x, y);
+		if (drawingComponent && trackingAllowed) {
 			FontMetrics fontMetrics = canvasGraphics.getFontMetrics();
 			Rectangle2D rect = fontMetrics.getStringBounds(str, canvasGraphics);
-		appendShape(new Rectangle2D.Double(rect.getX() + x, rect.getY() + y, rect.getWidth(), rect
+			appendShape(new Rectangle2D.Double(rect.getX() + x, rect.getY() + y, rect.getWidth(),
-				.getHeight()));
+					rect.getHeight()));
+		}
 	}
 
 	@Override
 	public void drawString(String str, float x, float y) {
 		canvasGraphics.drawString(str, x, y);
+		if (drawingComponent && trackingAllowed) {
 			FontMetrics fontMetrics = canvasGraphics.getFontMetrics();
 			Rectangle2D rect = fontMetrics.getStringBounds(str, canvasGraphics);
-		appendShape(new Rectangle2D.Double(rect.getX() + x, rect.getY() + y, rect.getWidth(), rect
+			appendShape(new Rectangle2D.Double(rect.getX() + x, rect.getY() + y, rect.getWidth(),
-				.getHeight()));
+					rect.getHeight()));
+		}
 	}
 
 	@Override
@@ -508,20 +528,26 @@ class G2DWrapper extends Graphics2D {
 	@Override
 	public void drawLine(int x1, int y1, int x2, int y2) {
 		canvasGraphics.drawLine(x1, y1, x2, y2);
+		if (drawingComponent && trackingAllowed) {
 			appendShapeOutline(new Line2D.Double(x1, y1, x2, y2));
 		}
+	}
 
 	@Override
 	public void drawOval(int x, int y, int width, int height) {
 		canvasGraphics.drawOval(x, y, width, height);
+		if (drawingComponent && trackingAllowed) {
 			appendShapeOutline(new Ellipse2D.Double(x, y, width, height));
 		}
+	}
 
 	@Override
 	public void drawPolygon(int[] points, int[] points2, int points3) {
 		canvasGraphics.drawPolygon(points, points2, points3);
+		if (drawingComponent && trackingAllowed) {
 			appendShapeOutline(new Polygon(points, points2, points3));
 		}
+	}
 
 	@Override
 	public void drawPolyline(int[] points, int[] points2, int points3) {
@@ -531,44 +557,58 @@ class G2DWrapper extends Graphics2D {
 	@Override
 	public void drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) {
 		canvasGraphics.drawRoundRect(x, y, width, height, arcWidth, arcHeight);
+		if (drawingComponent && trackingAllowed) {
 			appendShapeOutline(new RoundRectangle2D.Double(x, y, width, height, arcWidth, arcHeight));
 		}
+	}
 
 	@Override
 	public void fillArc(int x, int y, int width, int height, int startAngle, int arcAngle) {
 		canvasGraphics.fillArc(x, y, width, height, startAngle, arcAngle);
+		if (drawingComponent && trackingAllowed) {
 			appendShape(new Arc2D.Double(x, y, width, height, startAngle, arcAngle, Arc2D.PIE));
 		}
+	}
 
 	@Override
 	public void fillOval(int x, int y, int width, int height) {
 		canvasGraphics.fillOval(x, y, width, height);
+		if (drawingComponent && trackingAllowed) {
 			appendShape(new Ellipse2D.Double(x, y, width, height));
 		}
+	}
 
 	@Override
 	public void fillPolygon(int[] points, int[] points2, int points3) {
 		canvasGraphics.fillPolygon(points, points2, points3);
+		if (drawingComponent && trackingAllowed) {
 			appendShape(new Polygon(points, points2, points3));
 		}
+	}
 
 	@Override
 	public void drawRect(int x, int y, int width, int height) {
 		canvasGraphics.drawRect(x, y, width, height);
+		if (drawingComponent && trackingAllowed) {
 			appendShapeOutline(new Rectangle(x, y, width, height));
 		}
+	}
 
 	@Override
 	public void fillRect(int x, int y, int width, int height) {
 		canvasGraphics.fillRect(x, y, width, height);
+		if (drawingComponent && trackingAllowed) {
 			appendShape(new Rectangle(x, y, width, height));
 		}
+	}
 
 	@Override
 	public void fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight) {
 		canvasGraphics.fillRoundRect(x, y, width, height, arcWidth, arcHeight);
+		if (drawingComponent && trackingAllowed) {
 			appendShape(new RoundRectangle2D.Double(x, y, width, height, arcWidth, arcHeight));
 		}
+	}
 
 	@Override
 	public Shape getClip() {

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

@@ -365,7 +365,7 @@ public class Presenter implements IPlugInPort {
 					}
 				}
 				// Draw the component through the g2dWrapper.
-				component.draw(g2dWrapper, state, currentProject);
+				component.draw(g2dWrapper, state, currentProject, g2dWrapper);
 				componentAreaMap.put(component, g2dWrapper.finishedDrawingComponent());
 			}
 			// Draw control points.

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

@@ -6,6 +6,7 @@ import java.awt.Point;
 
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -115,7 +116,8 @@ public class MockDIYComponent implements IDIYComponent<Capacitance> {
 	}
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		g2d.setColor(componentState.equals(ComponentState.SELECTED) ? color : color.darker());
 		g2d.fillRect(leftTopCorner.x, leftTopCorner.y, 200, 50);
 	}

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/boards/AbstractBoard.java

@@ -9,6 +9,7 @@ import java.awt.Point;
 
 import org.diylc.components.AbstractTransparentComponent;
 import org.diylc.core.ComponentState;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.EditableProperty;
 import org.diylc.core.measures.Size;
@@ -32,7 +33,8 @@ public abstract class AbstractBoard extends AbstractTransparentComponent<String>
 	protected Color borderColor = BORDER_COLOR;
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		g2d.setStroke(new BasicStroke());
 		if (componentState != ComponentState.DRAGGING) {
 			Composite oldComposite = g2d.getComposite();
@@ -49,6 +51,9 @@ public abstract class AbstractBoard extends AbstractTransparentComponent<String>
 				|| componentState == ComponentState.DRAGGING ? SELECTION_COLOR : borderColor);
 		g2d.drawRect(controlPoints[0].x, controlPoints[0].y, controlPoints[1].x
 				- controlPoints[0].x, controlPoints[1].y - controlPoints[0].y);
+		// Do not track any changes that follow because the whole board has been
+		// tracked so far.
+		drawingObserver.stopTracking();
 	}
 
 	@EditableProperty(name = "Color")

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/boards/PerfBoard.java

@@ -7,6 +7,7 @@ import java.awt.Point;
 
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -30,9 +31,9 @@ public class PerfBoard extends AbstractBoard {
 	protected Color padColor = PAD_COLOR;
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
-		super.draw(g2d, componentState, project);
+			IDrawingObserver drawingObserver) {
-
+		super.draw(g2d, componentState, project, drawingObserver);
 		if (componentState != ComponentState.DRAGGING) {
 			if (alpha < MAX_ALPHA) {
 				g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1f * alpha

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/boards/VeroBoard.java

@@ -8,6 +8,7 @@ import java.awt.Point;
 
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -32,8 +33,9 @@ public class VeroBoard extends AbstractBoard {
 	protected Color padColor = PAD_COLOR;
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
-		super.draw(g2d, componentState, project);
+			IDrawingObserver drawingObserver) {
+		super.draw(g2d, componentState, project, drawingObserver);
 
 		if (componentState != ComponentState.DRAGGING) {
 			Composite oldComposite = g2d.getComposite();

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/connectivity/SolderPad.java

@@ -7,6 +7,7 @@ import java.awt.Point;
 import org.diylc.components.AbstractComponent;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -28,7 +29,8 @@ public class SolderPad extends AbstractComponent<Void> {
 	private Point point = new Point(0, 0);
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		int diameter = getClosestOdd(size.convertToPixels());
 		int holeDiameter = getClosestOdd(HOLE_SIZE.convertToPixels());
 		g2d.setColor(componentState == ComponentState.SELECTED

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/connectivity/TraceCut.java

@@ -7,6 +7,7 @@ import java.awt.Graphics2D;
 import org.diylc.components.AbstractSinglePointComponent;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -28,7 +29,8 @@ public class TraceCut extends AbstractSinglePointComponent {
 	private Color borderColor = BORDER_COLOR;
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		int size = this.size.convertToPixels() / 2 * 2;
 		int dotDiameter = (size / 3 * 2) / 2 * 2 + 1;
 		g2d.setColor(fillColor);

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/electromechanical/MiniToggleSwitch.java

@@ -12,6 +12,7 @@ import java.awt.geom.RoundRectangle2D;
 import org.diylc.components.AbstractTransparentComponent;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -153,7 +154,8 @@ public class MiniToggleSwitch extends AbstractTransparentComponent<ToggleSwitchT
 	}
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		Shape body = getBody();
 		// Draw body if available.
 		if (body != null) {
@@ -170,6 +172,9 @@ public class MiniToggleSwitch extends AbstractTransparentComponent<ToggleSwitchT
 					|| componentState == ComponentState.DRAGGING ? SELECTION_COLOR : BORDER_COLOR);
 			g2d.draw(body);
 		}
+		// Do not track these changes because the whole switch has been tracked
+		// so far.
+		drawingObserver.stopTracking();
 		// Draw lugs.
 		int circleDiameter = getClosestOdd(CIRCLE_SIZE.convertToPixels());
 		int lugWidth = getClosestOdd(LUG_WIDTH.convertToPixels());

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/misc/BOM.java

@@ -12,6 +12,7 @@ import java.util.List;
 import org.diylc.components.AbstractComponent;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -35,7 +36,8 @@ public class BOM extends AbstractComponent<Void> {
 	private Point point = new Point(0, 0);
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		List<BomEntry> bom = BomMaker.getInstance().createBom(project.getComponents());
 		// Cleanup entries that do not have a value set.
 		Iterator<BomEntry> iterator = bom.iterator();

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/misc/ProjectInformation.java

@@ -10,6 +10,7 @@ import java.awt.geom.Rectangle2D;
 import org.diylc.components.AbstractComponent;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.measures.Size;
@@ -28,7 +29,8 @@ public class ProjectInformation extends AbstractComponent<Void> {
 	private Point point = new Point(0, 0);
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		g2d.setFont(Constants.LABEL_FONT);
 		g2d.setColor(componentState == ComponentState.DRAGGING
 				|| componentState == ComponentState.SELECTED ? SELECTION_COLOR : COLOR);

diy-layout-creator --username bancika@gmail.com/Library/src/org/diylc/components/semiconductors/DIL_IC.java

@@ -16,6 +16,7 @@ import org.diylc.common.Orientation;
 import org.diylc.components.AbstractTransparentComponent;
 import org.diylc.core.ComponentState;
 import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
 import org.diylc.core.Project;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
@@ -44,13 +45,16 @@ public class DIL_IC extends AbstractTransparentComponent<String> {
 	private Size pinSpacing = new Size(0.1d, SizeUnit.in);
 	private Size rowSpacing = new Size(0.3d, SizeUnit.in);
 	private Point[] controlPoints = new Point[] { new Point(0, 0) };
-//			new Point(0, pinSpacing.convertToPixels()),
+	// new Point(0, pinSpacing.convertToPixels()),
-//			new Point(0, 2 * pinSpacing.convertToPixels()),
+	// new Point(0, 2 * pinSpacing.convertToPixels()),
-//			new Point(0, 3 * pinSpacing.convertToPixels()),
+	// new Point(0, 3 * pinSpacing.convertToPixels()),
-//			new Point(3 * pinSpacing.convertToPixels(), 0),
+	// new Point(3 * pinSpacing.convertToPixels(), 0),
-//			new Point(3 * pinSpacing.convertToPixels(), pinSpacing.convertToPixels()),
+	// new Point(3 * pinSpacing.convertToPixels(),
-//			new Point(3 * pinSpacing.convertToPixels(), 2 * pinSpacing.convertToPixels()),
+	// pinSpacing.convertToPixels()),
-//			new Point(3 * pinSpacing.convertToPixels(), 3 * pinSpacing.convertToPixels()) };
+	// new Point(3 * pinSpacing.convertToPixels(), 2 *
+	// pinSpacing.convertToPixels()),
+	// new Point(3 * pinSpacing.convertToPixels(), 3 *
+	// pinSpacing.convertToPixels()) };
 	private Shape body;
 
 	public DIL_IC() {
@@ -212,7 +216,8 @@ public class DIL_IC extends AbstractTransparentComponent<String> {
 	}
 
 	@Override
-	public void draw(Graphics2D g2d, ComponentState componentState, Project project) {
+	public void draw(Graphics2D g2d, ComponentState componentState, Project project,
+			IDrawingObserver drawingObserver) {
 		int pinSize = PIN_SIZE.convertToPixels() / 2 * 2;
 		for (Point point : controlPoints) {
 			g2d.setColor(PIN_COLOR);