public void mouseDragged(MouseEvent evt) {
Graphics g = canvas.getGraphics();
g.setColor(color);
if (type == 0) {
g.setXORMode(canvas.getBackground());
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
} else if (type == 1) {
int radius;
g.setXORMode(canvas.getBackground());
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
end = evt.getPoint();
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
} else if (type == 2) {
g.setXORMode(canvas.getBackground());
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
super.onActivityResult(requestCode, resultCode, intent);
if (resultCode == RESULT_OK) {
Uri imageFileUri = intent.getData();
try {
BitmapFactory.Options bmpFactoryOptions = new BitmapFactory.Options();
bmpFactoryOptions.inJustDecodeBounds = true;
bmp =
BitmapFactory.decodeStream(
getContentResolver().openInputStream(imageFileUri), null, bmpFactoryOptions);
bmpFactoryOptions.inJustDecodeBounds = false;
bmp =
BitmapFactory.decodeStream(
getContentResolver().openInputStream(imageFileUri), null, bmpFactoryOptions);
alteredBitmap =
Bitmap.createBitmap(drawingArea.getWidth(), drawingArea.getHeight(), bmp.getConfig());
canvas = new Canvas(alteredBitmap);
paint = new Paint();
paint.setColor(Color.GREEN);
paint.setStrokeWidth(5);
matrix = new Matrix();
canvas.drawBitmap(bmp, matrix, paint);
drawingArea.cache = alteredBitmap;
} catch (Exception e) {
Log.v("ERROR", e.toString());
}
}
}
private void RemoveFromCanvas (CGNode root)
{
super.Remove (root);
for (int i = root.NumChilds()-1; i >= 0; --i) {
super.Remove (root.ArrowAt(i));
RemoveFromCanvas (root.ChildAt(i));
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
drawingArea = new MyCanvas(this);
drawingArea.shapeType = "free";
setContentView(drawingArea);
}
public void mouseReleased(MouseEvent evt) {
Graphics g = canvas.getGraphics();
g.setColor(color);
g.setPaintMode();
end = evt.getPoint();
if (type == 0) {
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
if (filled.getState() == true) g.fillRect(start.x, start.y, end.x - start.x, end.y - start.y);
status.setText("2. Ecke des Rechtecks festgelegt");
} else if (type == 1) {
int radius;
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
if (filled.getState() == true)
g.fillOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
status.setText("Radius des Kreises festgelegt");
} else if (type == 2) {
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
if (filled.getState() == true) g.fillOval(start.x, start.y, end.x - start.x, end.y - start.y);
status.setText("Radius der Ellipse festgelegt");
}
}
@Override
public void start(Stage stage) throws Exception {
javafx.scene.text.Font.loadFont(
FXGraphics2DDemo1.class.getResourceAsStream(
"/org/scilab/forge/jlatexmath/fonts/base/jlm_cmmi10.ttf"),
1);
javafx.scene.text.Font.loadFont(
FXGraphics2DDemo1.class.getResourceAsStream(
"/org/scilab/forge/jlatexmath/fonts/base/jlm_cmex10.ttf"),
1);
javafx.scene.text.Font.loadFont(
FXGraphics2DDemo1.class.getResourceAsStream(
"/org/scilab/forge/jlatexmath/fonts/maths/jlm_cmsy10.ttf"),
1);
javafx.scene.text.Font.loadFont(
FXGraphics2DDemo1.class.getResourceAsStream(
"/org/scilab/forge/jlatexmath/fonts/latin/jlm_cmr10.ttf"),
1);
ScrollPane scrollPane = new ScrollPane();
MyCanvas canvas = new MyCanvas(formula);
canvas.setWidth(3000);
canvas.setHeight(5000);
// canvas.widthProperty().bind(scrollPane.hvalueProperty());
// canvas.heightProperty().bind(scrollPane.heightProperty());
scrollPane.setContent(canvas);
// scrollPane.setVbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
Scene scene = new Scene(scrollPane, 700, 200);
stage.setScene(scene);
stage.setTitle("FXGraphics2DDemo3.java");
stage.show();
}
public void init() {
status = new Label("", Label.CENTER);
menu = new Panel();
canvas = new MyCanvas();
farbe = new Choice();
color = Color.blue;
filled = new Checkbox("ausgefuellt");
namen = new String[] {"Rechteck", "Kreis", "Ellipse"};
farben = new String[] {"blau", "gelb", "gruen", "rot", "schwarz", "weiss"};
button = new Button[namen.length];
type = -1;
for (int i = 0; i < namen.length; i++) {
button[i] = new Button(namen[i]);
button[i].addActionListener(this);
menu.add(button[i]);
}
for (int i = 0; i < farben.length; i++) farbe.add(farben[i]);
filled.addItemListener(this);
farbe.addItemListener(this);
canvas.addMouseListener(this);
canvas.addMouseMotionListener(this);
menu.add(filled);
menu.add(farbe);
setLayout(new BorderLayout());
setBackground(Color.lightGray);
add(menu, "North");
add(canvas, "Center");
add(status, "South");
}
@SuppressLint("ShowToast")
@Override
public boolean onOptionsItemSelected(MenuItem item) {
int id = item.getItemId();
if (id == R.id.free) {
MyCanvas.shapeType = "free";
Toast.makeText(getApplicationContext(), "Free Drawing", Toast.LENGTH_LONG).show();
} else if (id == R.id.line) {
MyCanvas.shapeType = "line";
Toast.makeText(getApplicationContext(), "Line", Toast.LENGTH_LONG).show();
} else if (id == R.id.rectangle) {
MyCanvas.shapeType = "rectangle";
Toast.makeText(getApplicationContext(), "Rectangle", Toast.LENGTH_LONG).show();
} else if (id == R.id.ellipse) {
MyCanvas.shapeType = "ellipse";
Toast.makeText(getApplicationContext(), "Ellipse", Toast.LENGTH_LONG).show();
} else if (id == R.id.circle) {
MyCanvas.shapeType = "circle";
Toast.makeText(getApplicationContext(), "Circle", Toast.LENGTH_LONG).show();
} else if (id == R.id.square) {
MyCanvas.shapeType = "square";
Toast.makeText(getApplicationContext(), "Square", Toast.LENGTH_LONG).show();
} else if (id == R.id.background_color) {
AmbilWarnaDialog colorDialog =
new AmbilWarnaDialog(
this,
Color.WHITE,
new OnAmbilWarnaListener() {
@Override
public void onOk(AmbilWarnaDialog dialog, int color) {
drawingArea.setBackgroundColor(color);
drawingArea.backgroundColor = color;
}
@Override
public void onCancel(AmbilWarnaDialog dialog) {
// cancel was selected by the user
}
});
colorDialog.show();
} else if (id == R.id.pen_color) {
AmbilWarnaDialog colorDialog =
new AmbilWarnaDialog(
this,
Color.WHITE,
new OnAmbilWarnaListener() {
@Override
public void onOk(AmbilWarnaDialog dialog, int color) {
drawingArea.paint.setColor(color);
drawingArea.penColor = color;
}
@Override
public void onCancel(AmbilWarnaDialog dialog) {
// cancel was selected by the user
}
});
colorDialog.show();
} else if (id == R.id.pen_width) {
final EditText input = new EditText(MainActivity.this);
new AlertDialog.Builder(MainActivity.this)
.setTitle("Stroke Width")
.setMessage("Enter an integer")
.setView(input)
.setPositiveButton(
"Ok",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
String width = input.getText().toString();
if (isInteger(width)) {
Toast.makeText(
getApplicationContext(), "Stroke Width = " + width, Toast.LENGTH_LONG)
.show();
strokeWidth = Integer.parseInt(width);
drawingArea.strokeWidth = strokeWidth;
drawingArea.paint.setStrokeWidth(strokeWidth);
} else {
Toast.makeText(
getApplicationContext(),
"Invalid input for stroke width",
Toast.LENGTH_LONG)
.show();
}
}
})
.setNegativeButton(
"Cancel",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
// Do nothing.
}
})
.show();
} else if (id == R.id.clear) {
backgroundColor = drawingArea.backgroundColor;
penColor = drawingArea.penColor;
strokeWidth = drawingArea.strokeWidth;
drawingArea = new MyCanvas(this);
drawingArea.backgroundColor = backgroundColor;
drawingArea.penColor = penColor;
drawingArea.strokeWidth = strokeWidth;
drawingArea.setBackgroundColor(backgroundColor);
drawingArea.paint.setColor(penColor);
drawingArea.paint.setStrokeWidth(strokeWidth);
setContentView(drawingArea);
} else if (id == R.id.save) {
startService(new Intent(getBaseContext(), MyIntentService.class));
MyIntentService.counter++;
} else if (id == R.id.load) {
Intent choosePictureIntent =
new Intent(
Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(choosePictureIntent, 0);
} else if (id == R.id.triangle) {
MyCanvas.shapeType = "triangle";
Toast.makeText(getApplicationContext(), "Triangle", Toast.LENGTH_LONG).show();
} else if (id == R.id.filled) {
drawingArea.paint.setStyle(Paint.Style.FILL_AND_STROKE);
drawingArea.filled = true;
Toast.makeText(getApplicationContext(), "Filled Shapes", Toast.LENGTH_LONG).show();
} else if (id == R.id.not_filled) {
drawingArea.paint.setStyle(Paint.Style.STROKE);
drawingArea.filled = false;
Toast.makeText(getApplicationContext(), "Unfilled Shapes", Toast.LENGTH_LONG).show();
}
return super.onOptionsItemSelected(item);
}
protected void startApp() throws MIDletStateChangeException {
final Display display = Display.getDisplay(this);
final MyCanvas myCanvas = new MyCanvas();
myCanvas.setCommandListener(this);
cmd_exit = new Command("Exit", Command.EXIT, 0);
myCanvas.addCommand(cmd_exit);
display.setCurrent(myCanvas);
Thread thread =
new Thread() {
public void run() {
super.run();
InputStream inputStream = null;
try {
// inputStream = getClass().getResourceAsStream( "Pothana.ttf" );
inputStream = getClass().getResourceAsStream("SCRIPTIN.ttf");
TrueTypeRegistry.instance.registerTrueType("FONT1", inputStream);
// inputStream = getClass().getResourceAsStream( "Tikkana.ttf" );
inputStream = getClass().getResourceAsStream("UNCLEBOBMF.ttf");
TrueTypeRegistry.instance.registerTrueType("FONT2", inputStream);
text1 =
new TrueTypeText(
"FONT1",
-0.3,
0,
// getUTF16FileData( "telugu1.txt" ),
"True",
24,
COLOR_BLUE,
(useFilling ? COLOR_YELLOW : null));
// text1.translate( 0.07d, 0 );
// text1.rotate(-7d*Math.PI/30d, 0, 0 );
text2 =
new TrueTypeText(
"FONT2",
0.4,
0,
// getTeluguUTF16FileDataAndTransposeForTikkanaFont( "telugu1.txt" ),
"TYPE",
24,
COLOR_RED,
(useFilling ? COLOR_GRAY : null));
// text2.translate( 0.07d, 0 );
} catch (TrueTypeException e) {
System.out.println("Unable to load font!");
e.printStackTrace();
} catch (Throwable t) {
System.out.println("Error!");
t.printStackTrace();
} finally {
try {
if (inputStream != null) {
inputStream.close();
}
} catch (Throwable ignore) {
}
}
// initialize graphics
int attemptsLeft = 10;
Displayable displayCurrent = null;
while ((attemptsLeft-- > 0) && (displayCurrent = display.getCurrent()) == null) {
try {
Thread.sleep(1000);
} catch (InterruptedException ignore) {
}
}
if (displayCurrent == null) {
throw new RuntimeException("Display.getCurrent() returns null!");
}
WIDTH = displayCurrent.getWidth();
HEIGHT = displayCurrent.getHeight();
view = new View(WIDTH, HEIGHT);
timer = new TimerThread(ANIMATION_DELAY, myCanvas);
timer.start();
}
};
thread.start();
}
