com.sun.scenario.effect.impl.prism.PrFilterContext Maven / Gradle / Ivy
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package com.sun.scenario.effect.impl.prism;
import java.util.Map;
import java.util.WeakHashMap;
import com.sun.glass.ui.Screen;
import com.sun.scenario.effect.FilterContext;
public class PrFilterContext extends FilterContext {
private static Screen defaultScreen;
private static final Map ctxMap =
new WeakHashMap();
private static PrFilterContext printerFilterContext = null;
public static PrFilterContext getPrinterContext(Object resourceFactory) {
if (printerFilterContext == null) {
// Parameter is returned by FilterContext.getReferent()
printerFilterContext = new PrFilterContext(resourceFactory);
}
return printerFilterContext;
}
private PrFilterContext(Object screen) {
super(screen);
}
public static PrFilterContext getInstance(Screen screen) {
if (screen == null) {
throw new IllegalArgumentException("Screen must be non-null");
}
PrFilterContext fctx = ctxMap.get(screen);
if (fctx == null) {
fctx = new PrFilterContext(screen);
ctxMap.put(screen, fctx);
}
return fctx;
}
public static PrFilterContext getDefaultInstance() {
if (defaultScreen == null) {
// NOTE: filter context may need to sign up for screen set config
// changes
defaultScreen = Screen.getMainScreen();
}
return getInstance(defaultScreen);
}
}