private void generateASCIIFont(AsyncTask task) {
String ascii =
" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";
Paint p = new Paint();
p.setTextAlign(Align.CENTER);
Typeface tf = Fonts.getTypeface(configuration.getModel());
p.setTypeface(tf);
p.setTextScaleX(1.0f);
p.setColor(configuration.getCharacterColorAsRGB());
p.setAntiAlias(true);
setFontSize(p);
int xPos = trsCharWidth / 2;
int yPos = (int) ((trsCharHeight / 2) - ((p.descent() + p.ascent()) / 2));
for (int i = 0; i < ascii.length(); i++) {
if (task.isCancelled()) {
return;
}
Bitmap b = Bitmap.createBitmap(trsCharWidth, trsCharHeight, Bitmap.Config.RGB_565);
Canvas c = new Canvas(b);
c.drawColor(configuration.getScreenColorAsRGB());
c.drawText(ascii.substring(i, i + 1), xPos, yPos, p);
font[i + 32] = b;
}
// Use space for all other characters
for (int i = 0; i < font.length; i++) {
if (font[i] == null) {
font[i] = font[32];
}
}
}
private void unInit() {
if (null != mInitTask) {
if (!mInitTask.isCancelled()) {
mInitTask.cancel(true);
}
mInitTask = null;
}
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.signup);
setTitle(R.string.signUp);
// Re-task if the request was cancelled.
mSignupTask = (SignupTask) getLastNonConfigurationInstance();
if (mSignupTask != null && mSignupTask.isCancelled()) {
AppLog.d(CLASSTAG, "SignupTask previously cancelled, trying again.");
mSignupTask = new SignupTask().execute();
}
setupUi();
}
private void generateGraphicsFont(AsyncTask task) {
Paint p = new Paint();
for (int i = 128; i <= 191; i++) {
if (task.isCancelled()) {
return;
}
Bitmap b = Bitmap.createBitmap(trsCharWidth, trsCharHeight, Bitmap.Config.RGB_565);
Canvas c = new Canvas(b);
c.drawColor(configuration.getScreenColorAsRGB());
p.setColor(configuration.getCharacterColorAsRGB());
Rect r = new Rect();
// Top-left
if ((i & 1) != 0) {
r.left = r.top = 0;
r.right = trsCharWidth / 2;
r.bottom = trsCharHeight / 3;
c.drawRect(r, p);
}
// Top-right
if ((i & 2) != 0) {
r.left = trsCharWidth / 2;
r.right = trsCharWidth;
r.top = 0;
r.bottom = trsCharHeight / 3;
c.drawRect(r, p);
}
// Middle-left
if ((i & 4) != 0) {
r.left = 0;
r.right = trsCharWidth / 2;
r.top = trsCharHeight / 3;
r.bottom = trsCharHeight / 3 * 2;
c.drawRect(r, p);
}
// Middle-right
if ((i & 8) != 0) {
r.left = trsCharWidth / 2;
r.right = trsCharWidth;
r.top = trsCharHeight / 3;
r.bottom = trsCharHeight / 3 * 2;
c.drawRect(r, p);
}
// Bottom-left
if ((i & 16) != 0) {
r.left = 0;
r.right = trsCharWidth / 2;
r.top = trsCharHeight / 3 * 2;
r.bottom = trsCharHeight;
c.drawRect(r, p);
}
// Bottom-right
if ((i & 32) != 0) {
r.left = trsCharWidth / 2;
r.right = trsCharWidth;
r.top = trsCharHeight / 3 * 2;
r.bottom = trsCharHeight;
c.drawRect(r, p);
}
font[i] = b;
}
}
private void cancelPrimitiveRootFinder() {
if (finderTask != null && !finderTask.isCancelled()) {
finderTask.cancel(true);
}
}