protected static void DrawRectangle(IRenderContext2D renderContext, IPen2D pen, IBrush2D brush, ICoordinateCalculator<double> xcal,
ICoordinateCalculator<double> ycal, float xv, float yv, float wv, float hv)
{
var x1 = xcal.GetCoordinate(xv);
var y1 = ycal.GetCoordinate(yv);
var x2 = xcal.GetCoordinate(xv + wv);
var y2 = ycal.GetCoordinate(yv + hv);
var pt1 = new Point(x1, y1);
var pt2 = new Point(x2, y2);
renderContext.FillRectangle(brush, pt1, pt2);
renderContext.DrawQuad(pen, pt1, pt2);
}
protected static void DrawRectangle(IRenderContext2D renderContext, IPen2D pen, IBrush2D brush, ICoordinateCalculator <double> xcal,
ICoordinateCalculator <double> ycal, float xv, float yv, float wv, float hv)
{
var x1 = xcal.GetCoordinate(xv);
var y1 = ycal.GetCoordinate(yv);
var x2 = xcal.GetCoordinate(xv + wv);
var y2 = ycal.GetCoordinate(yv + hv);
var pt1 = new Point(x1, y1);
var pt2 = new Point(x2, y2);
renderContext.FillRectangle(brush, pt1, pt2);
renderContext.DrawQuad(pen, pt1, pt2);
}
public void DrawNodes(IRenderContext2D renderContext, ICoordinateCalculator <double> xc, ICoordinateCalculator <double> yc, Rect area, float pixSizeX, float pixSizeY)
{
var pen = renderContext.CreatePen(Colors.Brown, false, 1);
var nodes = FindNodesWithDecimation(area, pixSizeX, pixSizeY);
foreach (var node in nodes)
{
var p1 = new Point(xc.GetCoordinate(node.HorizontalRange.Min), yc.GetCoordinate(node.VerticalRange.Min));
var p2 = new Point(xc.GetCoordinate(node.HorizontalRange.Max), yc.GetCoordinate(node.VerticalRange.Max));
renderContext.DrawQuad(pen, p1, p2);
}
pen.Dispose();
}
public override void Draw(IRenderContext2D context, IEnumerable <Point> centers)
{
TryCasheResources(context);
var markerLocations = centers.ToArray();
var prevValue = 0d;
for (int i = 0; i < markerLocations.Length; ++i)
{
var metadata = _dataPointMetadata[_dataPointIndexes[i]] as BudgetPointMetadata;
var center = markerLocations[i];
var isGain = metadata.GainLossValue >= prevValue;
DrawDiamond(context, center, Width, Height, _strokePen, isGain ? _gainFillBrush : _lossFillBrush);
prevValue = metadata.GainLossValue;
var gainLossValue = metadata.GainLossValue + "$";
_textBlock.Text = gainLossValue;
_textBlock.MeasureArrange();
var xPos = center.X - _textBlock.DesiredSize.Width / 2;
xPos = xPos < 0 ? TextIndent : xPos;
var marginalRightPos = context.ViewportSize.Width - _textBlock.DesiredSize.Width - TextIndent;
xPos = xPos > marginalRightPos ? marginalRightPos : xPos;
var yPos = center.Y;
var yOffset = isGain ? -_textBlock.DesiredSize.Height - TextIndent : TextIndent;
yPos += yOffset;
var textRect = new Rect(xPos, yPos, _textBlock.DesiredSize.Width, _textBlock.DesiredSize.Height);
context.DrawText(textRect, Stroke, TextSize, gainLossValue, FontFamily, FontWeight, FontStyle);
if (metadata.IsCheckPoint)
{
context.DrawQuad(_strokePen, textRect.TopLeft, textRect.BottomRight);
}
}
}