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package sun.java2d.xr;

import java.awt.Color;
import java.awt.Transparency;
import sun.java2d.SurfaceData;
import sun.java2d.SurfaceDataProxy;
import sun.java2d.loops.CompositeType;

The proxy class contains the logic if to replace a SurfaceData with a cached X11 Pixmap and the code to create the accelerated surfaces.
/** * The proxy class contains the logic if to replace a SurfaceData with a * cached X11 Pixmap and the code to create the accelerated surfaces. */
public class XRSurfaceDataProxy extends SurfaceDataProxy implements Transparency { public static SurfaceDataProxy createProxy(SurfaceData srcData, XRGraphicsConfig dstConfig) { /*Don't cache already native surfaces*/ if (srcData instanceof XRSurfaceData) { return UNCACHED; } return new XRSurfaceDataProxy(dstConfig, srcData.getTransparency()); } XRGraphicsConfig xrgc; int transparency; public XRSurfaceDataProxy(XRGraphicsConfig x11gc) { this.xrgc = x11gc; } @Override public SurfaceData validateSurfaceData(SurfaceData srcData, SurfaceData cachedData, int w, int h) { if (cachedData == null) { try { cachedData = XRSurfaceData.createData(xrgc, w, h, xrgc.getColorModel(), null, 0, getTransparency(), true); } catch (OutOfMemoryError oome) { } } return cachedData; } public XRSurfaceDataProxy(XRGraphicsConfig x11gc, int transparency) { this.xrgc = x11gc; this.transparency = transparency; } //TODO: Is that really ok? @Override public boolean isSupportedOperation(SurfaceData srcData, int txtype, CompositeType comp, Color bgColor) { return (bgColor == null || transparency == Transparency.TRANSLUCENT); } public int getTransparency() { return transparency; } }