@Override
public void flush() {
if (gi != 0) {
if (WinGraphicsDevice.useGDI) WinGDIGraphics2D.disposeGraphicsInfo(gi);
else WinGDIPGraphics2D.disposeGraphicsInfo(gi);
gi = 0;
}
if (surface != null) surface.dispose();
super.flush();
}
@Override
public Graphics2D createGraphics() {
if (gi == 0) {
if (hwnd != 0 && gc == null) {
if (WinGraphicsDevice.useGDI)
gi = WinGDIGraphics2D.createCompatibleImageInfo(hwnd, width, height);
else gi = WinGDIPGraphics2D.createCompatibleImageInfo(hwnd, width, height);
} else if (hwnd == 0 && gc != null) {
if (WinGraphicsDevice.useGDI)
gi =
WinGDIGraphics2D.createCompatibleImageInfo(
((WinGraphicsDevice) gc.getDevice()).getIDBytes(), width, height);
else
gi =
WinGDIPGraphics2D.createCompatibleImageInfo(
((WinGraphicsDevice) gc.getDevice()).getIDBytes(), width, height);
}
}
if (WinGraphicsDevice.useGDI) return new WinGDIGraphics2D(this, width, height);
return new WinGDIPGraphics2D(this, width, height);
}
/**
* *************************************************************************
*
* <p>Constructors
*
* <p>*************************************************************************
*/
public WinVolatileImage(NativeWindow nw, int width, int height) {
if (width <= 0 || height <= 0) {
// awt.19=Illegal size of volatile image.
throw new IllegalArgumentException(Messages.getString("awt.19")); // $NON-NLS-1$
}
hwnd = nw.getId();
this.width = width;
this.height = height;
if (WinGraphicsDevice.useGDI)
gi = WinGDIGraphics2D.createCompatibleImageInfo(hwnd, width, height);
else gi = WinGDIPGraphics2D.createCompatibleImageInfo(hwnd, width, height);
surface = new BitmapSurface(gi, width, height);
}
@Override
public int validate(GraphicsConfiguration gc) {
if (gi != 0) {
return IMAGE_OK;
}
if (WinGraphicsDevice.useGDI)
gi =
WinGDIGraphics2D.createCompatibleImageInfo(
((WinGraphicsDevice) gc.getDevice()).getIDBytes(), width, height);
else
gi =
WinGDIPGraphics2D.createCompatibleImageInfo(
((WinGraphicsDevice) gc.getDevice()).getIDBytes(), width, height);
return IMAGE_RESTORED;
}
public WinVolatileImage(WinGraphicsConfiguration gc, int width, int height) {
if (width <= 0 || height <= 0) {
// awt.19=Illegal size of volatile image.
throw new IllegalArgumentException(Messages.getString("awt.19")); // $NON-NLS-1$
}
hwnd = 0;
this.gc = gc;
this.width = width;
this.height = height;
if (WinGraphicsDevice.useGDI)
gi =
WinGDIGraphics2D.createCompatibleImageInfo(
((WinGraphicsDevice) gc.getDevice()).getIDBytes(), width, height);
else
gi =
WinGDIPGraphics2D.createCompatibleImageInfo(
((WinGraphicsDevice) gc.getDevice()).getIDBytes(), width, height);
surface = new BitmapSurface(gi, width, height);
}
