/**
* Filters the information provided in the <code>imageComplete</code> method of the <code>
* ImageConsumer</code> interface.
*
* <p>Note: This method is intended to be called by the <code>ImageProducer</code> of the <code>
* Image</code> whose pixels are being filtered. Developers using this class to retrieve pixels
* from an image should avoid calling this method directly since that operation could result in
* problems with retrieving the requested pixels.
*
* @param status the status of image loading
* @throws ImagingOpException if there was a problem calling the filter method of the <code>
* BufferedImageOp</code> associated with this instance.
* @see ImageConsumer#imageComplete
*/
public void imageComplete(int status) {
WritableRaster wr;
switch (status) {
case IMAGEERROR:
case IMAGEABORTED:
// reinitialize the params
model = null;
width = -1;
height = -1;
intPixels = null;
bytePixels = null;
break;
case SINGLEFRAMEDONE:
case STATICIMAGEDONE:
if (width <= 0 || height <= 0) break;
if (model instanceof DirectColorModel) {
if (intPixels == null) break;
wr = createDCMraster();
} else if (model instanceof IndexColorModel) {
int[] bandOffsets = {0};
if (bytePixels == null) break;
DataBufferByte db = new DataBufferByte(bytePixels, width * height);
wr = Raster.createInterleavedRaster(db, width, height, width, 1, bandOffsets, null);
} else {
convertToRGB();
if (intPixels == null) break;
wr = createDCMraster();
}
BufferedImage bi = new BufferedImage(model, wr, model.isAlphaPremultiplied(), null);
bi = bufferedImageOp.filter(bi, null);
WritableRaster r = bi.getRaster();
ColorModel cm = bi.getColorModel();
int w = r.getWidth();
int h = r.getHeight();
consumer.setDimensions(w, h);
consumer.setColorModel(cm);
if (cm instanceof DirectColorModel) {
DataBufferInt db = (DataBufferInt) r.getDataBuffer();
consumer.setPixels(0, 0, w, h, cm, db.getData(), 0, w);
} else if (cm instanceof IndexColorModel) {
DataBufferByte db = (DataBufferByte) r.getDataBuffer();
consumer.setPixels(0, 0, w, h, cm, db.getData(), 0, w);
} else {
throw new InternalError("Unknown color model " + cm);
}
break;
}
consumer.imageComplete(status);
}
/**
* Apply a filter and repaint.
*
* @param op the image operation to apply
*/
private void filter(BufferedImageOp op) {
if (image == null) return;
image = op.filter(image, null);
repaint();
}
