/*
* You acknowledge that this software is not designed, licensed or intended
* for use in the design, construction, operation or maintenance of any
* nuclear facility.
*/
import java.io.IOException;
import javax.microedition.lcdui.*;
import javax.microedition.media.*;
import javax.microedition.media.control.*;
import javax.microedition.midlet.MIDlet;
public class TioPatinhasMIDlet
extends MIDlet
implements CommandListener {
private Display mDisplay;
private Form mMainForm;
private Command mExitCommand, mCameraCommand;
private Command mBackCommand, mCaptureCommand;
private Player mPlayer;
private VideoControl mVideoControl;
public TioPatinhasMIDlet() {
mExitCommand = new Command("Exit", Command.EXIT, 0);
mCameraCommand = new Command("Camera", Command.SCREEN, 0);
mBackCommand = new Command("Back", Command.BACK, 0);
mCaptureCommand = new Command("Capture", Command.SCREEN, 0);
mMainForm = new Form("Tio Patinhas");
mMainForm.addCommand(mExitCommand);
String supports = System.getProperty("video.snapshot.encodings");
if (supports != null && supports.length() > 0) {
mMainForm.append("Clique para capturar imagem da cédula.");
mMainForm.addCommand(mCameraCommand);
}
else
mMainForm.append("Tio Patinhas não conseguiu usar a câmera deste dispositivo.");
mMainForm.setCommandListener(this);
}
public void startApp() {
mDisplay = Display.getDisplay(this);
mDisplay.setCurrent(mMainForm);
}
public void pauseApp() {}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
if (c.getCommandType() == Command.EXIT) {
destroyApp(true);
notifyDestroyed();
}
else if (c == mCameraCommand)
showCamera();
else if (c == mBackCommand)
mDisplay.setCurrent(mMainForm);
else if (c == mCaptureCommand) {
capture();
}
}
private void showCamera() {
try {
mPlayer = Manager.createPlayer("capture://video");
mPlayer.realize();
mVideoControl = (VideoControl)mPlayer.getControl("VideoControl");
Canvas canvas = new CameraCanvas(this, mVideoControl);
canvas.addCommand(mBackCommand);
canvas.addCommand(mCaptureCommand);
canvas.setCommandListener(this);
mDisplay.setCurrent(canvas);
/*
Form form = new Form("Camera form");
Item item = (Item)mVideoControl.initDisplayMode(
GUIControl.USE_GUI_PRIMITIVE, null);
form.append(item);
form.addCommand(mBackCommand);
form.addCommand(mCaptureCommand);
form.setCommandListener(this);
mDisplay.setCurrent(form);
*/
mPlayer.start();
}
catch (IOException ioe) { handleException(ioe); }
catch (MediaException me) { handleException(me); }
}
public void capture() {
try {
// Get the image.
byte[] raw = mVideoControl.getSnapshot("encoding=png&width=320&height=240");
Image image = Image.createImage(raw, 0, raw.length);
TParamsRC ParamsRC = new TParamsRC("", new CTonsCinza(image), new CBitmap(image));
UTioPatinhas.ReconheceCedula(ParamsRC);
Image thumb = createThumbnail(image);
// Place it in the main form.
if (mMainForm.size() > 0 && mMainForm.get(0) instanceof StringItem)
mMainForm.delete(0);
mMainForm.deleteAll();
mMainForm.append(thumb);
mMainForm.append(new StringItem("Valor: ", String.valueOf(ParamsRC.ParamsAI.ValorCedula)));
mMainForm.append(ParamsRC.ParamsMLT.BImgDest.SaveImage());
// Flip back to the main form.
mDisplay.setCurrent(mMainForm);
// Shut down the player.
mPlayer.close();
mPlayer = null;
mVideoControl = null;
}
catch (MediaException me) { handleException(me); }
}
private void handleException(Exception e) {
Alert a = new Alert("Exception", e.toString(), null, null);
a.setTimeout(Alert.FOREVER);
mDisplay.setCurrent(a, mMainForm);
}
private Image createThumbnail(Image image) {
int sourceWidth = image.getWidth();
int sourceHeight = image.getHeight();
int thumbWidth = 64;
int thumbHeight = -1;
if (thumbHeight == -1)
thumbHeight = thumbWidth * sourceHeight / sourceWidth;
Image thumb = Image.createImage(thumbWidth, thumbHeight);
Graphics g = thumb.getGraphics();
for (int y = 0; y < thumbHeight; y++) {
for (int x = 0; x < thumbWidth; x++) {
g.setClip(x, y, 1, 1);
int dx = x * sourceWidth / thumbWidth;
int dy = y * sourceHeight / thumbHeight;
g.drawImage(image, x - dx, y - dy, Graphics.LEFT | Graphics.TOP);
}
}
Image immutableThumb = Image.createImage(thumb);
return immutableThumb;
}
}