protected override void onDraw (Canvas canvas)
{
canvas.drawColor (unchecked((int)0xFFDDDDDD));
Paint paint = new Paint ();
paint.setAntiAlias (true);
paint.setStyle (Paint.Style.STROKE);
paint.setStrokeWidth (3);
paint.setStyle (Paint.Style.FILL);
RectF r = new RectF ();
float t, x, y;
t = GetAnimScalar (25, 500);
canvas.translate (320, 240);
for (int i = 0; i < 35; i++) {
paint.setColor (unchecked((int)0xFFF00FF0 - i * 0x04000000));
double step = Math.PI / (55 - i);
double angle = t * step;
x = (20 + i * 5) * (float)Math.Sin (angle);
y = (20 + i * 5) * (float)Math.Cos (angle);
r.set (x, y, x + 10, y + 10);
canvas.drawRect (r, paint);
}
}
protected override void onDraw (Canvas canvas)
{
Paint paint = new Paint ();
canvas.translate (10, 10);
canvas.drawColor (Color.WHITE);
paint.setColor (Color.RED);
paint.setStrokeWidth (0);
canvas.drawLines (mPts, paint);
paint.setColor (Color.BLUE);
paint.setStrokeWidth (3);
canvas.drawPoints (mPts, paint);
}
// create a bitmap with a rect, used for the "src" image
static Bitmap makeSrc (int w, int h)
{
Bitmap bm = Bitmap.createBitmap (w, h, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas (bm);
Paint p = new Paint (Paint.ANTI_ALIAS_FLAG);
p.setColor (unchecked((int)0xFF66AAFF));
c.drawRect (w / 3, h / 3, w * 19 / 20, h * 19 / 20, p);
return bm;
}
// create a bitmap with a circle, used for the "dst" image
static Bitmap makeDst (int w, int h)
{
Bitmap bm = Bitmap.createBitmap (w, h, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas (bm);
Paint p = new Paint (Paint.ANTI_ALIAS_FLAG);
p.setColor (unchecked((int)0xFFFFCC44));
c.drawOval (new RectF (0, 0, w * 3 / 4, h * 3 / 4), p);
return bm;
}
protected override void onDraw(Canvas canvas)
{
canvas.drawColor(Color.YELLOW);
int width = canvas.getWidth();
int height = canvas.getHeight();
Paint paint = new Paint();
paint.setColor(Color.RED);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(10);
canvas.drawCircle(width / 2, height / 2, height / 3, paint);
Paint inner = new Paint();
paint.setColor(Color.GREEN);
paint.setStyle(Paint.Style.FILL);
canvas.drawCircle(width / 2, height / 2, height / 3 - 10, inner);
Paint text = new Paint();
text.setTextSize(20);
canvas.drawText("I am a Xobot Monkey!", width / 8, height / 8, text);
}
protected override void onDraw (Canvas canvas)
{
canvas.drawColor (Color.WHITE);
Paint p = new Paint ();
float y = 10;
p.setColor (Color.RED);
canvas.drawBitmap (mBitmap, 10, y, p);
y += mBitmap.getHeight () + 10;
canvas.drawBitmap (mBitmap2, 10, y, p);
y += mBitmap2.getHeight () + 10;
p.setShader (mShader);
canvas.drawBitmap (mBitmap3, 10, y, p);
}
protected override void onDraw (Canvas canvas)
{
canvas.drawColor (unchecked((int)0xFFDDDDDD));
Paint paint = new Paint ();
paint.setAntiAlias (true);
paint.setStyle (Paint.Style.STROKE);
paint.setStrokeWidth (3);
paint.setStyle (Paint.Style.FILL);
RectF r = new RectF (10, 10, 110, 110);
for (int i = 0; i < 256; ++i) {
canvas.translate (1, 1);
paint.setColor ((int)(0xFF000000 + i * 0x00010000));
canvas.drawRect (r, paint);
}
}
protected override void onDraw (Canvas canvas)
{
canvas.drawColor (unchecked((int)0xFFDDDDDD));
canvas.save ();
Paint paint = new Paint ();
paint.setColor (Color.BLUE);
MaskFilter mf = new BlurMaskFilter (128, BlurMaskFilter.Blur.NORMAL);
paint.setMaskFilter (mf);
mf.Dispose ();
canvas.translate (200, 200);
canvas.drawCircle (100, 100, 200, paint);
canvas.restore ();
paint.Dispose ();
}
///**
// * Instantiates a new circular seek bar.
// *
// * @param context
// * the context
// * @param attrs
// * the attrs
// * @param defStyle
// * the def style
// */
//public CircularSeekBar(Context context, AttributeSet attrs, int defStyle) {
// //super(context, attrs, defStyle);
// mContext = context;
// //initDrawable();
//}
///**
// * Instantiates a new circular seek bar.
// *
// * @param context
// * the context
// * @param attrs
// * the attrs
// */
//public CircularSeekBar(Context context, AttributeSet attrs) {
// //super(context, attrs);
// mContext = context;
// //initDrawable();
//}
/**
* Instantiates a new circular seek bar.
*
* @param context
* the context
*/
public CircularSeekBar(Context context) {
//super(context);
mContext = context;
circleColor = new Paint();
innerColor = new Paint();
circleRing = new Paint();
circleColor.setColor(Color.parseColor("#ff33b5e5")); // Set default
// progress
// color to holo
// blue.
innerColor.setColor(Color.BLACK); // Set default background color to
// black
circleRing.setColor(Color.GRAY);// Set default background color to Gray
circleColor.setAntiAlias(true);
innerColor.setAntiAlias(true);
circleRing.setAntiAlias(true);
circleColor.setStrokeWidth(5);
innerColor.setStrokeWidth(5);
circleRing.setStrokeWidth(5);
circleColor.setStyle(Paint.Style.FILL);
//initDrawable();
}
protected override void onDraw(Canvas canvas)
{
Paint paint = new Paint();
paint.setStyle(Paint.Style.STROKE);
paint.setColor(Color.RED);
paint.setTextSize(30);
canvas.drawText(text, 10, 60, paint);
base.onDraw(canvas);
}
