public PathFillTypes (Context context)
: base (context)
{
mPath = new Path ();
mPath.addCircle (40, 40, 45, Path.Direction.CCW);
mPath.addCircle (80, 80, 45, Path.Direction.CCW);
}
protected void OnKeyPressEvent (KeyPressEventArgs e)
{
if (e.KeyChar == 'f') {
mPath = makeFollowPath ();
invalidate ();
}
}
void showPath (Canvas canvas, int x, int y, Path.FillType ft, Paint paint)
{
canvas.save ();
canvas.translate (x, y);
canvas.clipRect (0, 0, 120, 120);
canvas.drawColor (Color.WHITE);
mPath.setFillType (ft);
canvas.drawPath (mPath, paint);
canvas.restore ();
}
static Path makeFollowPath ()
{
Path p = new Path ();
p.moveTo (0, 0);
Random random = new Random ();
for (int i = 1; i <= 15; i++) {
p.lineTo (i * 20, (float)random.NextDouble () * 35);
}
return p;
}
public Clipping (Context context)
: base (context)
{
mPaint = new Paint ();
mPaint.setAntiAlias (true);
mPaint.setStrokeWidth (6);
mPaint.setTextSize (16);
mPaint.setTextAlign (Paint.Align.RIGHT);
mPath = new Path ();
}
public PathEffects (Context context)
: base (context)
{
mPaint = new Paint (Paint.ANTI_ALIAS_FLAG);
mPaint.setStyle (Paint.Style.STROKE);
mPaint.setStrokeWidth (6);
mPath = makeFollowPath ();
mEffects = new PathEffect[6];
mColors = new int[] {
Color.BLACK, Color.RED, Color.BLUE,
Color.GREEN, Color.MAGENTA, Color.BLACK
};
}
static Path makePathDash ()
{
Path p = new Path ();
p.moveTo (4, 0);
p.lineTo (0, -4);
p.lineTo (8, -4);
p.lineTo (12, 0);
p.lineTo (8, 4);
p.lineTo (0, 4);
return p;
}