/**
* Method which updates the value of the bands
*
* @param img New image
* @param n Number of bands
*/
public void updateBandsFrame(JIPImage img, int n) {
bandSel.removeAllItems();
if (img instanceof JIPBmpColor) {
bandSel.addItem("COLOR-Bands RGB");
} else if (img instanceof JIPImgGeometric) {
bandSel.addItem("Geometric image");
} else {
for (int i = 0; i < ((JIPImgBitmap) img).getNumBands(); i++)
bandSel.addItem(prop.getProperty("Band") + " " + i);
tamFrame.setText(
prop.getProperty("FrameSize") + ": " + img.getWidth() + "x" + img.getHeight());
}
}
public JIPImage processImg(JIPImage img) throws JIPException {
if (img.getType() == ImageType.COLOR || img instanceof JIPImgGeometric)
throw new JIPException("GrayToGray can not be applied to this image format");
String p1 = getParamValueString("gray");
ImageType tipo = Enum.valueOf(ImageType.class, p1);
JIPImgBitmap imgBmp = (JIPImgBitmap) img;
int nbands = imgBmp.getNumBands();
JIPImgBitmap res =
(JIPImgBitmap) JIPImage.newImage(nbands, img.getWidth(), img.getHeight(), tipo);
double[] bmp, bmpRes;
double maxInput = 0, maxOutput = 0;
switch (img.getType()) {
case BYTE:
maxInput = 255;
break;
case FLOAT:
case BIT:
maxInput = 1;
break;
case SHORT:
maxInput = 65535;
break;
}
switch (tipo) {
case BYTE:
maxOutput = 255;
break;
case FLOAT:
case BIT:
maxOutput = 1;
break;
case SHORT:
maxOutput = 65535;
break;
}
for (int b = 0; b < nbands; b++) {
bmp = imgBmp.getAllPixels(b);
bmpRes = new double[bmp.length];
for (int i = 0; i < bmp.length; i++) bmpRes[i] = maxOutput * bmp[i] / maxInput;
res.setAllPixels(b, bmpRes);
}
return res;
}
