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fix a pixelDensity() issue w/ default display

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This commit is contained in:
Ben Fry
2022-10-30 18:38:00 -04:00
parent f681ae31ba
commit b0cd253dad
2 changed files with 33 additions and 7 deletions
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core/src/processing/awt/ShimAWT.java
+25 -7
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@@ -129,16 +129,34 @@ public class ShimAWT implements PConstants {
private int displayDensityImpl(int display) {
if (display > 0 && display <= displayDevices.length) {
GraphicsConfiguration graphicsConfig =
displayDevices[display - 1].getDefaultConfiguration();
GraphicsConfiguration graphicsConfig = null;
if (display == -1) { // the default display
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
graphicsConfig = ge.getDefaultScreenDevice().getDefaultConfiguration();
} else if (display == SPAN) {
// walk through all displays, go with lowest common denominator
for (int i = 0; i < displayDevices.length; i++) {
if (displayDensityImpl(i) == 1) {
return 1;
}
}
return 2; // everyone is density 2
} else if (display <= displayDevices.length) {
graphicsConfig = displayDevices[display - 1].getDefaultConfiguration();
}
if (graphicsConfig == null) {
System.err.println("Display " + display + " does not exist, " +
"returning 1 for displayDensity(" + display + ")");
return 1; // not the end of the world, so don't throw a RuntimeException
} else {
AffineTransform tx = graphicsConfig.getDefaultTransform();
return (int) Math.round(tx.getScaleX());
}
System.err.println("Display " + display + " does not exist, " +
"returning 1 for displayDensity(" + display + ")");
return 1; // not the end of the world, so don't throw a RuntimeException
}