protected void DrawColorAreaItem(GraphicsWrapper g, ref PointF drawingPoint, float[] values, Pen pen, Brush fill,
int index, int previousItemIndex, float itemWidth, float itemMargin)
{
float indexValue = values[index];
float previousItemIndexValue = values[previousItemIndex];
int unificationCount = index - previousItemIndex;
for (int i = previousItemIndex; i <= index; i++)
{
if (float.IsNaN(previousItemIndexValue))
{
previousItemIndexValue = values[i];
}
else if (float.IsNaN(indexValue))
{
indexValue = values[i];
}
}
if (float.IsNaN(indexValue) || float.IsNaN(previousItemIndexValue))
{// Failed to find reasonable values to draw.
return;
}
if (fill != null)
{
g.FillPolygon(fill, new PointF[] {
drawingPoint,
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y),
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue),
new PointF(drawingPoint.X, drawingPoint.Y + previousItemIndexValue)
});
}
if (pen != null)
{
g.DrawLine(pen, drawingPoint.X, drawingPoint.Y + previousItemIndexValue,
drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue);
}
}
protected void DrawColorAreaItem(GraphicsWrapper g, ref PointF drawingPoint, float[] values, Pen pen, Brush fill,
int index, int previousItemIndex, float itemWidth, float itemMargin)
{
float indexValue = values[index];
float previousItemIndexValue = values[previousItemIndex];
int unificationCount = index - previousItemIndex;
for (int i = previousItemIndex; i <= index; i++)
{
if (float.IsNaN(previousItemIndexValue))
{
previousItemIndexValue = values[i];
} else if (float.IsNaN(indexValue))
{
indexValue = values[i];
}
}
if (float.IsNaN(indexValue) || float.IsNaN(previousItemIndexValue))
{// Failed to find reasonable values to draw.
return;
}
if (fill != null)
{
g.FillPolygon(fill, new PointF[] {
drawingPoint,
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y),
new PointF(drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue),
new PointF(drawingPoint.X, drawingPoint.Y + previousItemIndexValue) });
}
if (pen != null)
{
g.DrawLine(pen, drawingPoint.X, drawingPoint.Y + previousItemIndexValue,
drawingPoint.X + (itemMargin + itemWidth) * unificationCount, drawingPoint.Y + indexValue);
}
}
void DrawOrder(GraphicsWrapper g, ref PointF updatedImageDrawingPoint, Order order, float itemWidth, float itemMargin,
float yToXScaling, BarData orderBarData, float lastBarX, bool drawOpening)
{
Image image = _imageUp;
Brush brush = Brushes.Green;
Pen dashedPen = _buyDashedPen;
Pen pen = Pens.GreenYellow;
if (order.IsBuy == false)
{
image = _imageDown;
brush = Brushes.Red;
pen = Pens.Red;
dashedPen = _sellDashedPen;
}
if (drawOpening == false)
{
image = _imageCross;
}
float price = (float)order.OpenPrice;
if (drawOpening == false)
{
price = (float)order.ClosePrice;
}
if (drawOpening && _showPendingOrdersTracing && order.IsOpen)
{// Open orders tracking line.
PointF point1 = new PointF(updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + price);
float sellPrice = (float)_dataProvider.Bid;
if (order.IsBuy == false)
{
sellPrice = (float)_dataProvider.Ask;
}
PointF point2 = new PointF(lastBarX - itemWidth / 2f, updatedImageDrawingPoint.Y + sellPrice);
g.DrawLine(dashedPen, point1, point2);
}
//if (drawOpening && _showClosedOrdersTracing && order.IsOpen == false)
//{// Closed order tracking.
// Close order tracing is implemented in main draw function.
//}
if (_showOrderSpot)
{
PointF basePoint = new PointF(updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + price);
float height = (yToXScaling * itemWidth);
if (order.IsBuy == false)
{
height = -height;
}
if (drawOpening)
{
g.FillPolygon(brush, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
g.DrawPolygon(Pens.White, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
// Take profit level.
if (double.IsInfinity(order.SourceTakeProfit) == false &&
double.IsNaN(order.SourceTakeProfit) == false &&
order.SourceTakeProfit != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit,
updatedImageDrawingPoint.X + itemWidth, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit - height);
}
// Stop loss level.
if (double.IsInfinity(order.SourceStopLoss) == false &&
double.IsNaN(order.SourceStopLoss) == false &&
order.SourceStopLoss != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss,
updatedImageDrawingPoint.X + itemWidth, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss + height);
}
}
else
{
g.DrawRectangle(Pens.White, basePoint.X, basePoint.Y,
itemWidth, yToXScaling * itemWidth);
}
}
float imageHeight = 2 * (yToXScaling * itemWidth);
if (_showOrderArrow)
{
// Draw up image.
g.DrawImage(image, updatedImageDrawingPoint.X - (itemWidth / 2f), updatedImageDrawingPoint.Y +
(float)orderBarData.Low - (yToXScaling * itemWidth), 2 * itemWidth, -imageHeight);
updatedImageDrawingPoint.Y -= 1.2f * imageHeight;
}
}
void DrawOrder(GraphicsWrapper g, ref PointF updatedImageDrawingPoint, Order order, float itemWidth, float itemMargin,
float yToXScaling, BarData orderBarData, float lastBarX, bool drawOpening)
{
Image image = _imageUp;
Brush brush = Brushes.Green;
Pen dashedPen = _buyDashedPen;
Pen pen = Pens.GreenYellow;
if (order.IsBuy == false)
{
image = _imageDown;
brush = Brushes.Red;
pen = Pens.Red;
dashedPen = _sellDashedPen;
}
if (drawOpening == false)
{
image = _imageCross;
}
float price = (float)order.OpenPrice;
if (drawOpening == false)
{
price = (float)order.ClosePrice;
}
if (drawOpening && _showPendingOrdersTracing && order.IsOpen)
{// Open orders tracking line.
PointF point1 = new PointF(updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + price);
float sellPrice = (float)_dataProvider.Bid;
if (order.IsBuy == false)
{
sellPrice = (float)_dataProvider.Ask;
}
PointF point2 = new PointF(lastBarX - itemWidth / 2f, updatedImageDrawingPoint.Y + sellPrice);
g.DrawLine(dashedPen, point1, point2);
}
//if (drawOpening && _showClosedOrdersTracing && order.IsOpen == false)
//{// Closed order tracking.
// Close order tracing is implemented in main draw function.
//}
if (_showOrderSpot)
{
PointF basePoint = new PointF(updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + price);
float height = (yToXScaling * itemWidth);
if (order.IsBuy == false)
{
height = -height;
}
if (drawOpening)
{
g.FillPolygon(brush, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
g.DrawPolygon(Pens.White, new PointF[] { basePoint, new PointF(basePoint.X + itemWidth, basePoint.Y),
new PointF(basePoint.X + (itemWidth / 2f), basePoint.Y + height) });
// Take profit level.
if (double.IsInfinity(order.SourceTakeProfit) == false
&& double.IsNaN(order.SourceTakeProfit) == false
&& order.SourceTakeProfit != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit,
updatedImageDrawingPoint.X + itemWidth, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceTakeProfit - height);
}
// Stop loss level.
if (double.IsInfinity(order.SourceStopLoss) == false
&& double.IsNaN(order.SourceStopLoss) == false
&& order.SourceStopLoss != 0)
{
g.DrawLine(pen, updatedImageDrawingPoint.X, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss,
updatedImageDrawingPoint.X + itemWidth, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss);
g.DrawLine(pen, updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss,
updatedImageDrawingPoint.X + itemWidth / 2f, updatedImageDrawingPoint.Y + (float)order.SourceStopLoss + height);
}
}
else
{
g.DrawRectangle(Pens.White, basePoint.X, basePoint.Y,
itemWidth, yToXScaling * itemWidth);
}
}
float imageHeight = 2 * (yToXScaling * itemWidth);
if (_showOrderArrow)
{
// Draw up image.
g.DrawImage(image, updatedImageDrawingPoint.X - (itemWidth / 2f), updatedImageDrawingPoint.Y +
(float)orderBarData.Low - (yToXScaling * itemWidth), 2 * itemWidth, -imageHeight);
updatedImageDrawingPoint.Y -= 1.2f * imageHeight;
}
}