@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (drawing != null && this.isMoving == true) {
if (!(drawing instanceof Eraser)) drawing.draw(canvas);
else drawing.draw(paper);
}
canvas.drawBitmap(bitmap, 0, 0, new Paint(Paint.DITHER_FLAG));
if (!(drawing instanceof Eraser)) {
Bitmap pen = BitmapFactory.decodeResource(this.getResources(), R.drawable.pen);
canvas.drawBitmap(
pen, this.tempX, this.tempY - pen.getHeight(), new Paint(Paint.DITHER_FLAG));
} else {
Bitmap eraser = BitmapFactory.decodeResource(this.getResources(), R.drawable.eraser);
canvas.drawBitmap(
eraser, this.tempX, this.tempY - eraser.getHeight(), new Paint(Paint.DITHER_FLAG));
}
}
public void ClearBitmapResource() {
if (bitmap != null) {
bitmap.recycle();
bitmap = null;
}
if (drawing != null) {
drawing.ExitDrawing();
}
}
private void fingerMove(float x, float y) {
this.tempX = x;
this.tempY = y;
this.isMoving = true;
drawing.fingerMove(x, y, paper);
}
private void fingerDown(float x, float y) {
this.isMoving = false;
drawing.fingerDown(x, y, paper);
}
private void fingerUp(float x, float y) {
this.tempX = 0;
this.tempY = 0;
drawing.fingerUp(x, y, paper);
this.isMoving = false;
}