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);
}
}
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 ();
}
protected override void onDraw (Canvas canvas)
{
Paint paint = new Paint (Paint.ANTI_ALIAS_FLAG);
canvas.drawColor (unchecked((int)0xFFCCCCCC));
canvas.translate (20, 20);
paint.setAntiAlias (true);
showPath (canvas, 0, 0, Path.FillType.WINDING, paint);
showPath (canvas, 160, 0, Path.FillType.EVEN_ODD, paint);
showPath (canvas, 0, 160, Path.FillType.INVERSE_WINDING, paint);
showPath (canvas, 160, 160, Path.FillType.INVERSE_EVEN_ODD, paint);
}
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);
}
}
static void drawIntoBitmap (Bitmap bm)
{
float x = bm.getWidth ();
float y = bm.getHeight ();
Canvas c = new Canvas (bm);
Paint p = new Paint ();
p.setAntiAlias (true);
p.setAlpha (0x80);
c.drawCircle (x / 2, y / 2, x / 2, p);
p.setAlpha (0x30);
p.setXfermode (new PorterDuffXfermode (PorterDuff.Mode.SRC));
p.setTextSize (60);
p.setTextAlign (Paint.Align.CENTER);
Paint.FontMetrics fm = p.getFontMetrics ();
c.drawText ("Alpha", x / 2, (y - fm.ascent) / 2, p);
}
public ColorFilters (Context context)
: base (context)
{
mDrawable = getResources ().getDrawable (R.drawable.btn_default_normal);
mDrawable.setBounds (0, 0, 150, 48);
mDrawable.setDither (true);
int[] resIDs = new int[] {
R.drawable.btn_circle_normal,
R.drawable.btn_check_off,
R.drawable.btn_check_on
};
mDrawables = new Drawable[resIDs.Length];
Drawable prev = mDrawable;
for (int i = 0; i < resIDs.Length; i++) {
mDrawables [i] = getResources ().getDrawable (resIDs [i]);
mDrawables [i].setDither (true);
addToTheRight (mDrawables [i], prev);
prev = mDrawables [i];
}
mPaint = new Paint ();
mPaint.setAntiAlias (true);
mPaint.setTextSize (16);
mPaint.setTextAlign (Paint.Align.CENTER);
mPaint2 = new Paint (mPaint);
mPaint2.setAlpha (64);
Paint.FontMetrics fm = mPaint.getFontMetrics ();
mPaintTextOffset = (fm.descent + fm.ascent) * 0.5f;
mColors = new uint[] {
0, 0xCC0000FF, 0x880000FF, 0x440000FF, 0xFFCCCCFF,
0xFF8888FF, 0xFF4444FF
};
mModes = new PorterDuff.Mode[] {
PorterDuff.Mode.SRC_ATOP, PorterDuff.Mode.MULTIPLY,
};
mModeIndex = 0;
updateTitle ();
}
public Arcs (Context context)
: base (context)
{
mPaints = new Paint[4];
mUseCenters = new bool[4];
mOvals = new RectF[4];
mPaints [0] = new Paint ();
mPaints [0].setAntiAlias (true);
mPaints [0].setStyle (Paint.Style.FILL);
mPaints [0].setColor (unchecked((int)0x88FF0000));
mUseCenters [0] = false;
mPaints [1] = new Paint (mPaints [0]);
mPaints [1].setColor (unchecked((int)0x8800FF00));
mUseCenters [1] = true;
mPaints [2] = new Paint (mPaints [0]);
mPaints [2].setStyle (Paint.Style.STROKE);
mPaints [2].setStrokeWidth (4);
mPaints [2].setColor (unchecked((int)0x880000FF));
mUseCenters [2] = false;
mPaints [3] = new Paint (mPaints [2]);
mPaints [3].setColor (unchecked((int)0x88888888));
mUseCenters [3] = true;
mBigOval = new RectF (40, 10, 280, 250);
mOvals [0] = new RectF (10, 270, 70, 330);
mOvals [1] = new RectF (90, 270, 150, 330);
mOvals [2] = new RectF (170, 270, 230, 330);
mOvals [3] = new RectF (250, 270, 310, 330);
mFramePaint = new Paint ();
mFramePaint.setAntiAlias (true);
mFramePaint.setStyle (Paint.Style.STROKE);
mFramePaint.setStrokeWidth (0);
// AddTimer (50);
}
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 (10);
EmbossMaskFilter mf = new EmbossMaskFilter (new float[] { 1, 1, 1 }, 128, 16 * 2, 4);
paint.setMaskFilter (mf);
mf.Dispose ();
// paint.setMaskFilter(new SkEmbossMaskFilter(fLight, SkIntToScalar(4)))->unref();
// paint.setShader(new SkColorShader(SK_ColorBLUE))->unref();
paint.setDither (true);
canvas.drawCircle (50, 50, 30, paint);
paint.Dispose ();
}
public Layers (Context context)
: base (context)
{
mPaint = new Paint ();
mPaint.setAntiAlias (true);
}
///**
// * 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();
}
