/**
* Reads the image from the InputStream and returns the pixel array (byte, short, int or float).
* Returns null if there was an IO exception. Does not close the InputStream.
*/
public Object readPixels(InputStream in) {
Object pixels;
startTime = System.currentTimeMillis();
try {
switch (fi.fileType) {
case FileInfo.GRAY8:
case FileInfo.COLOR8:
bytesPerPixel = 1;
skip(in);
pixels = (Object) read8bitImage(in);
break;
case FileInfo.GRAY16_SIGNED:
case FileInfo.GRAY16_UNSIGNED:
bytesPerPixel = 2;
skip(in);
pixels = (Object) read16bitImage(in);
break;
case FileInfo.GRAY32_INT:
case FileInfo.GRAY32_UNSIGNED:
case FileInfo.GRAY32_FLOAT:
bytesPerPixel = 4;
skip(in);
pixels = (Object) read32bitImage(in);
break;
case FileInfo.GRAY64_FLOAT:
bytesPerPixel = 8;
skip(in);
pixels = (Object) read64bitImage(in);
break;
case FileInfo.RGB:
case FileInfo.BGR:
case FileInfo.ARGB:
case FileInfo.ABGR:
case FileInfo.BARG:
case FileInfo.CMYK:
bytesPerPixel = fi.getBytesPerPixel();
skip(in);
pixels = (Object) readChunkyRGB(in);
break;
case FileInfo.RGB_PLANAR:
bytesPerPixel = 3;
skip(in);
pixels = (Object) readPlanarRGB(in);
break;
case FileInfo.BITMAP:
bytesPerPixel = 1;
skip(in);
pixels = (Object) read1bitImage(in);
break;
case FileInfo.RGB48:
bytesPerPixel = 6;
skip(in);
pixels = (Object) readRGB48(in);
break;
case FileInfo.RGB48_PLANAR:
bytesPerPixel = 2;
skip(in);
pixels = (Object) readRGB48Planar(in);
break;
case FileInfo.GRAY12_UNSIGNED:
skip(in);
short[] data = read12bitImage(in);
pixels = (Object) data;
break;
case FileInfo.GRAY24_UNSIGNED:
skip(in);
pixels = (Object) read24bitImage(in);
break;
default:
pixels = null;
}
showProgress(1, 1);
return pixels;
} catch (IOException e) {
IJ.log("" + e);
return null;
}
}
