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Improved performance of the application when using dashed and dotted

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style for 'Hookup Wire' component
This commit is contained in:
bancika
2020-12-16 23:45:18 +01:00
parent d3655e3f69
commit 278ec5cd84
2 changed files with 29 additions and 7 deletions
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diylc/diylc-library/src/org/diylc/components/connectivity/HookupWire.java
+25 -7
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@@ -17,8 +17,10 @@
*/
package org.diylc.components.connectivity;
import java.awt.AlphaComposite;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Composite;
import java.awt.Graphics2D;
import java.awt.Shape;
import java.awt.Stroke;
@@ -66,31 +68,47 @@ public class HookupWire extends AbstractCurvedComponent<Void> implements IContin
: color;
g2d.setColor(curveColor);
Stroke stroke = null;
Stroke tracingStroke = null;
switch (getStyle()) {
case SOLID:
stroke = ObjectCache.getInstance().fetchBasicStroke(thickness);
tracingStroke = stroke;
break;
case DASHED:
stroke =
ObjectCache.getInstance().fetchStroke(thickness, new float[] {thickness * 2, thickness * 3}, thickness * 4, BasicStroke.CAP_SQUARE);
tracingStroke = ObjectCache.getInstance().fetchBasicStroke(thickness);
break;
case DOTTED:
stroke = ObjectCache.getInstance().fetchStroke(thickness, new float[] {thickness / 4, thickness * 3}, 0, BasicStroke.CAP_ROUND);
tracingStroke = ObjectCache.getInstance().fetchBasicStroke(thickness);
break;
}
Shape s = stroke.createStrokedShape(curve);
drawingObserver.startTracking();
g2d.fill(s);
drawingObserver.stopTracking();
Shape s = stroke.createStrokedShape(curve);
if (stroke == tracingStroke) {
g2d.fill(s);
drawingObserver.stopTracking();
} else {
// draw without tracking
drawingObserver.stopTracking();
g2d.fill(s);
// track with a simplified stroke without the dashes and dots to improve performance;
Shape traceShape = tracingStroke.createStrokedShape(curve);
drawingObserver.startTracking();
Composite oldComposite = g2d.getComposite();
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.DST, 0f));
g2d.fill(traceShape);
g2d.setComposite(oldComposite);
drawingObserver.stopTracking();
}
if (getStriped()) {
stroke = ObjectCache.getInstance().fetchStroke(thickness, new float[] { thickness / 2, thickness * 2 }, thickness * 10, BasicStroke.CAP_BUTT);
Shape stripe = stroke.createStrokedShape(curve);
g2d.setColor(getStripeColor());
g2d.fill(stripe);
}
drawingObserver.stopTracking();
}
if (componentState == ComponentState.NORMAL) {
g2d.setColor(color.darker());