public static void main(String[] args) {
try {
// non-throwing message printer
Kdu_sysout_message sysout = new Kdu_sysout_message(false);
// exception-throwing message printer
Kdu_sysout_message syserr = new Kdu_sysout_message(true);
// non-throwing formatted printer
Kdu_message_formatter formattedSysout = new Kdu_message_formatter(sysout);
// throwing formatted printer
Kdu_message_formatter formattedSyserr = new Kdu_message_formatter(syserr);
Kdu_global.Kdu_customize_warnings(formattedSysout);
Kdu_global.Kdu_customize_errors(formattedSyserr);
} catch (KduException e) {
System.err.printf("Exception during Kdu stream tie: %s\n", e.getMessage());
}
if (args.length != 1) {
System.err.println("You must supply a filename (JP2, JPX or raw code-stream)");
System.exit(0);
}
final String filename = args[0];
SwingUtilities.invokeLater(
new Runnable() {
public void run() {
Haikdu app = new Haikdu(filename);
}
});
}
public void render() {
try {
int regionBufferSize = 0;
int[] regionBuffer = null;
Kdu_dims newRegion = new Kdu_dims();
long kduRenderStart = System.nanoTime();
while (compositor.Process(100000, newRegion)) {
Kdu_coords newOffset = newRegion.Access_pos();
Kdu_coords newSize = newRegion.Access_size();
newOffset.Subtract(viewDims.Access_pos());
int newPixels = newSize.Get_x() * newSize.Get_y();
if (newPixels == 0) continue;
else if (newPixels > regionBufferSize) {
regionBufferSize = newPixels;
regionBuffer = new int[regionBufferSize];
}
compositorBuffer.Get_region(newRegion, regionBuffer);
imagePanel.putRegion(
viewSize.Get_x(),
viewSize.Get_y(),
newSize.Get_x(),
newSize.Get_y(),
newOffset.Get_x(),
newOffset.Get_y(),
regionBuffer);
}
long kduRenderEnd = System.nanoTime();
System.out.printf(
"Processed using %d concurrent threads of execution in %.4fms\n",
threadEnv.Get_num_threads(), (kduRenderEnd - kduRenderStart) * 1e-6);
imagePanel.repaint();
} catch (KduException e) {
System.err.printf(
"Caught exception '%s'; code '%s'\n",
e.getMessage(), Integer.toHexString(e.Get_kdu_exception_code()));
}
}