@SuppressWarnings("ConstantConditions")
public void onPreviewFrame(byte[] data, Camera incomingCamera) {
try {
if (System.currentTimeMillis() > lastSnapshotTime) {
lastSnapshotTime = System.currentTimeMillis() + SNAPSHOT_DELAY;
Camera.Parameters cameraParameters = incomingCamera.getParameters();
Camera.Size previewSize = cameraParameters.getPreviewSize();
Image barcode = new Image(previewSize.width, previewSize.height, GREY_COLOR_SPACE);
barcode.setData(data);
if (scanner.scanImage(barcode) != 0) {
SymbolSet scannerResults = scanner.getResults();
if (vibrator != null) vibrator.vibrate(VIBRATE_TIME);
for (Symbol symbol : scannerResults)
if (scannerListener == null)
Toast.makeText(getActivity(), symbol.getData(), Toast.LENGTH_LONG).show();
else scannerListener.onDataReceive(symbol.getData(), symbol.getType());
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
private void read_write(CommonTree tr, char c) {
String op = null;
String type = null;
String irname = null;
Symbol sym;
if (c == 'r') op = "READ";
else op = "WRITE";
for (int i = 0; i < tr.getChildren().size(); i++) {
sym = getSym(getChToken(tr, i));
type = sym.getType();
irname = checkName(sym);
if (type.equals("INT")) link(op + "I " + irname);
else if (type.equals("FLOAT")) {
link(op + "F " + irname);
} else if (type.equals("STRING")) {
link(op + "S " + irname);
} else System.out.println("unrecognized type:" + type);
}
}
public static String ReplaceVariablesToDefaults(String expr, Vector memory, int tryUnknow) {
StringBuffer newExpr = new StringBuffer();
// iterador de elementos do codigo
IteratorExpression tok = new IteratorExpression(expr);
Symbol var;
String elem;
while (tok.hasMoreElements()) {
elem = tok.current();
tok.next();
var = Variable.getVariable(elem, memory);
// se for uma variavel vai selecionar o valor
if (var != null) {
if (var.getType() != var.DESCONHECIDO) newExpr.append(var.getDefaultValue() + " ");
else newExpr.append(Symbol.getDefaultValue(tryUnknow) + " ");
}
// senao mete o elmento
else newExpr.append(elem + " ");
}
return newExpr.toString().trim();
}