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Improved rendering performance and reduced lagging with complex projects while dragging components around

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This commit is contained in:
Bane Stojkovic
2026-10-13 20:06:04 +02:00
parent 840ab08401
commit 4d02f54e8a
3 changed files with 33 additions and 9 deletions
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diylc/diylc-core/src/main/java/org/diylc/presenter/Presenter.java
+6 -3
View File
@@ -1740,10 +1740,13 @@ public class Presenter implements IPlugInPort {
}
}
// Remove from area map.
drawingManager.clearComponentAreaMap();
// only the moved components need their areas re-tracked, rebuilding every area on each drag
// step makes dragging slow in large projects
for (IDIYComponent<?> c : controlPointMap.keySet()) {
drawingManager.invalidateComponent(c);
}
drawingManager.clearContinuityArea();
return new Point2D.Double(actualDx, actualDy);
}
diylc/diylc-core/src/main/resources/update.xml
+4
View File
@@ -605,6 +605,10 @@
<changeType>IMPROVEMENT</changeType>
<description>Include 'Potentiometer (Miniature)' and 'Trimmer Potentiometer' in Guitar Wiring Analyzer</description>
</org.diylc.appframework.update.Change>
<org.diylc.appframework.update.Change>
<changeType>IMPROVEMENT</changeType>
<description>Improved rendering performance and reduced lagging with complex projects while dragging components around</description>
</org.diylc.appframework.update.Change>
<org.diylc.appframework.update.Change>
<changeType>IMPROVEMENT</changeType>
<description>Improve performance of 'Project Explorer' pane</description>
diylc/diylc-library/src/main/java/org/diylc/components/AbstractLeadedComponent.java
+23 -6
View File
@@ -435,27 +435,44 @@ public abstract class AbstractLeadedComponent<T> extends AbstractLabeledComponen
}
Composite oldComposite = applyAlpha(g2d, componentState);
if (shouldShadeLeads()) {
// a long dashed or dotted lead strokes into hundreds of segments and building the tracked area
// from them costs tens of milliseconds per repaint, so track the lead as one solid stroke
// instead, which also keeps the gaps between dashes clickable
boolean trackSolidLead = getStyle() != LineStyle.SOLID && !isCopperArea;
if (trackSolidLead) {
Stroke solidStroke = ObjectCache.getInstance().fetchStroke(thickness,
getEndingStyle() == LineEndingStyle.Round ? BasicStroke.CAP_ROUND : BasicStroke.CAP_BUTT);
g2d.setColor(Constants.TRANSPARENT_COLOR);
g2d.fill(solidStroke.createStrokedShape(line));
observer.stopTracking();
}
if (shouldShadeLeads()) {
Shape lineShape = stroke.createStrokedShape(line);
g2d.setColor(getLeadColorForPainting(componentState));
g2d.fill(lineShape);
if (isCopperArea)
observer.stopTrackingContinuityArea();
g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(1f));
Color leadColor = getLeadColorForPainting(componentState);
g2d.setColor(leadColor.darker());
g2d.draw(lineShape);
g2d.draw(lineShape);
} else {
g2d.setColor(getLeadColorForPainting(componentState));
g2d.setStroke(stroke);
g2d.draw(line);
if (isCopperArea)
observer.stopTrackingContinuityArea();
}
if (trackSolidLead) {
observer.startTracking();
}
g2d.setComposite(oldComposite);
}