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enabled adaptive anti-aliasing. If the painting becomes to slow it is turned off.

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hneemann 2017-05-25 21:03:20 +02:00
parent ac0e9cf891
commit f7c82e4893
1 changed files with 15 additions and 2 deletions
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17
src/main/java/de/neemann/digital/gui/components/CircuitComponent.java
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@ -87,6 +87,7 @@ public class CircuitComponent extends JComponent implements Circuit.ChangedListe
private boolean hasChanged = true;
private boolean focusWasLost = false;
private boolean lockMessageShown = false;
private boolean antiAlias = true;
/**
@ -460,20 +461,32 @@ public class CircuitComponent extends JComponent implements Circuit.ChangedListe
|| needsNewBuffer
|| highLighted.size() != highlightedPaintedSize) {
// long time = System.currentTimeMillis();
if (needsNewBuffer)
buffer = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration().createCompatibleImage(getWidth(), getHeight());
Graphics2D gr2 = buffer.createGraphics();
if (antiAlias) {
gr2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
gr2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
gr2.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
}
gr2.setColor(Color.WHITE);
gr2.fillRect(0, 0, getWidth(), getHeight());
gr2.transform(transform);
GraphicSwing gr = new GraphicSwing(gr2, (int) (2 / transform.getScaleX()));
long time = System.currentTimeMillis();
circuit.drawTo(gr, highLighted, modelSync);
time = System.currentTimeMillis() - time;
if (time > 500) antiAlias = false;
if (time < 50) antiAlias = true;
// System.out.println("repaint: " + Long.toString(time) + "ms");
highlightedPaintedSize = highLighted.size();
hasChanged = false;
// System.out.println("repaint: " + Long.toString(System.currentTimeMillis() - time) + "ms");
}
g.drawImage(buffer, 0, 0, null);