/// <summary> /// Draw all the <see cref="JapaneseCandleStick"/>'s to the specified <see cref="Graphics"/> /// device as a candlestick at each defined point. /// </summary> /// <param name="g"> /// A graphic device object to be drawn into. This is normally e.Graphics from the /// PaintEventArgs argument to the Paint() method. /// </param> /// <param name="pane"> /// A reference to the <see cref="GraphPane"/> object that is the parent or /// owner of this object. /// </param> /// <param name="curve">A <see cref="JapaneseCandleStickItem"/> object representing the /// <see cref="JapaneseCandleStick"/>'s to be drawn.</param> /// <param name="baseAxis">The <see cref="Axis"/> class instance that defines the base (independent) /// axis for the <see cref="JapaneseCandleStick"/></param> /// <param name="valueAxis">The <see cref="Axis"/> class instance that defines the value (dependent) /// axis for the <see cref="JapaneseCandleStick"/></param> /// <param name="scaleFactor"> /// The scaling factor to be used for rendering objects. This is calculated and /// passed down by the parent <see cref="GraphPane"/> object using the /// <see cref="PaneBase.CalcScaleFactor"/> method, and is used to proportionally adjust /// font sizes, etc. according to the actual size of the graph. /// </param> public void Draw(Graphics g, GraphPane pane, JapaneseCandleStickItem curve, Axis baseAxis, Axis valueAxis, float scaleFactor) { //ValueHandler valueHandler = new ValueHandler( pane, false ); float pixBase, pixHigh, pixLow, pixOpen, pixClose; if (curve.Points != null) { //float halfSize = _size * scaleFactor; float halfSize = GetBarWidth(pane, baseAxis, scaleFactor); Color tColor = _color; Color tFallingColor = _fallingColor; float tPenWidth = _width; Fill tRisingFill = _risingFill; Fill tFallingFill = _fallingFill; Border tRisingBorder = _risingBorder; Border tFallingBorder = _fallingBorder; using (Pen risingPen = new Pen(tColor, tPenWidth)) using (Pen fallingPen = new Pen(tFallingColor, tPenWidth)) { // Loop over each defined point for (int i = 0; i < curve.Points.Count; i++) { PointPair pt = curve.Points[i]; double date = pt.X; double high = pt.Y; double low = pt.Z; double open = PointPair.Missing; double close = PointPair.Missing; if (pt is StockPt) { open = (pt as StockPt).Open; close = (pt as StockPt).Close; } // Any value set to double max is invalid and should be skipped // This is used for calculated values that are out of range, divide // by zero, etc. // Also, any value <= zero on a log scale is invalid if (!curve.Points[i].IsInvalid3D && (date > 0 || !baseAxis._scale.IsLog) && ((high > 0 && low > 0) || !valueAxis._scale.IsLog)) { pixBase = (int)(baseAxis.Scale.Transform(curve.IsOverrideOrdinal, i, date) + 0.5); pixHigh = valueAxis.Scale.Transform(curve.IsOverrideOrdinal, i, high); pixLow = valueAxis.Scale.Transform(curve.IsOverrideOrdinal, i, low); if (PointPair.IsValueInvalid(open)) { pixOpen = Single.MaxValue; } else { pixOpen = valueAxis.Scale.Transform(curve.IsOverrideOrdinal, i, open); } if (PointPair.IsValueInvalid(close)) { pixClose = Single.MaxValue; } else { pixClose = valueAxis.Scale.Transform(curve.IsOverrideOrdinal, i, close); } if (!curve.IsSelected && this._gradientFill.IsGradientValueType) { using (Pen tPen = GetPen(pane, scaleFactor, pt)) Draw(g, pane, baseAxis is XAxis || baseAxis is X2Axis, pixBase, pixHigh, pixLow, pixOpen, pixClose, halfSize, scaleFactor, (tPen), (close > open ? tRisingFill : tFallingFill), (close > open ? tRisingBorder : tFallingBorder), pt); } else { Draw(g, pane, baseAxis is XAxis || baseAxis is X2Axis, pixBase, pixHigh, pixLow, pixOpen, pixClose, halfSize, scaleFactor, (close > open ? risingPen : fallingPen), (close > open ? tRisingFill : tFallingFill), (close > open ? tRisingBorder : tFallingBorder), pt); } } } } } }
/// <summary> /// The Copy Constructor /// </summary> /// <param name="rhs">The <see cref="JapaneseCandleStickItem"/> object from which to copy</param> public JapaneseCandleStickItem(JapaneseCandleStickItem rhs) : base(rhs) { _stick = rhs._stick.Clone(); }