private void _drawPerspectiveXYValues()
{
bool animate = (this.AnimationDuration > 0);
double xOffset = XOffsetPerspective, yOffset = YOffsetPerspective;
double marginLeft = MarginLeft, marginTop = MarginTop;
double marginRight = MarginRight, marginBottom = MarginBottom;
double gridWidth = (ChartCanvas.Width - marginLeft - marginRight - xOffset);
double gridHeight = (ChartCanvas.Height - marginTop - marginBottom - yOffset);
LookAndFeel lf = CurrentLookAndFeel;
string pathXAML = lf.GetLinePath3DXAML();
Path pathElem;
List <UIElement> dataElems = null;
if (animate)
{
dataElems = DataElements;
}
ChartModel model = Model;
string[] seriesLabels = model.SeriesLabels;
int seriesCount = seriesLabels.Length;
Color[] seriesColors = model.SeriesColors;
double[,] yValues = model.YValues;
double minYValue = model.MinYValue, maxYValue = model.MaxYValue;
int nValues = yValues.GetUpperBound(0) + 1;
double[,] xValues = model.XValues;
double minXValue = model.MinXValue, maxXValue = model.MaxXValue;
double gridBottom = gridHeight + marginTop + yOffset;
double dx, dy;
string gradientXAML = lf.GetElementGradientXAML();
MatrixTransform defaultTransform;
for (int i = 0; i < seriesCount; ++i)
{
StringBuilder sb = new StringBuilder();
for (var j = 0; j < nValues; ++j)
{
dy = gridBottom - gridHeight * (yValues[j, i] - minYValue) / (maxYValue - minYValue);
dx = marginLeft + gridWidth * (xValues[j, i] - minXValue) / (maxXValue - minXValue);
if (j != nValues - 1)
{
sb.Append(" M").Append(dx).Append(",").Append(dy);
sb.Append(" l").Append(xOffset).Append(",").Append(-yOffset);
double nextdy, nextdx;
nextdx = marginLeft + gridWidth * (xValues[j + 1, i] - minXValue) / (maxXValue - minXValue);
nextdy = gridBottom -
gridHeight * (yValues[j + 1, i] - minYValue) / (maxYValue - minYValue);
sb.Append(" L").Append(nextdx + xOffset).Append(",").Append(nextdy - yOffset);
sb.Append(" l").Append(-xOffset).Append(",").Append(yOffset);
sb.Append(" L").Append(dx).Append(",").Append(dy);
}
}
pathElem = CreatePathFromXAMLAndData(pathXAML, sb);
if (animate)
{
dataElems.Add(pathElem);
defaultTransform = new MatrixTransform();
Matrix m = new Matrix();
m.M11 = 0.0;
defaultTransform.Matrix = m;
pathElem.SetValue(UIElement.RenderTransformProperty, defaultTransform);
}
if (gradientXAML != null)
{
SetGradientOnElement(pathElem, gradientXAML, seriesColors[i], 0xC0);
}
else
{
SetFillOnElement(pathElem, seriesColors[i]);
}
pathElem.SetValue(Path.StrokeProperty, new SolidColorBrush(seriesColors[i]));
(pathElem.Data as PathGeometry).FillRule = FillRule.Nonzero;
SetExpandosOnElement(pathElem, -1, i, new Point());
if (DisplayToolTip)
{
pathElem.MouseMove += new MouseEventHandler(ShowToolTip);
pathElem.MouseLeave += new MouseEventHandler(HideToolTip);
}
pathElem.MouseLeftButtonUp += new MouseButtonEventHandler(ChartDataClicked);
ChartCanvas.Children.Add(pathElem);
}
}
private void _drawPerspectiveLines(int mod, int rem)
{
bool animate = (this.AnimationDuration > 0);
double xOffset = XOffsetPerspective, yOffset = YOffsetPerspective;
double marginLeft = MarginLeft, marginTop = MarginTop;
double marginRight = MarginRight, marginBottom = MarginBottom;
double gridWidth = (ChartCanvas.Width - marginLeft - marginRight - xOffset);
double gridHeight = (ChartCanvas.Height - marginTop - marginBottom - yOffset);
LookAndFeel lf = CurrentLookAndFeel;
string pathXAML = lf.GetLinePath3DXAML();
Path pathElem;
List <UIElement> dataElems = null;
MatrixTransform defaultTransform = null;
if (animate)
{
dataElems = DataElements;
}
ChartModel model = Model;
string[] groupLabels = model.GroupLabels;
int groupCount = groupLabels.Length;
string[] seriesLabels = model.SeriesLabels;
int seriesCount = seriesLabels.Length;
Color[] seriesColors = model.SeriesColors;
double[,] yValues = model.YValues;
double minValue = model.MinYValue, maxValue = model.MaxYValue;
// For combo graphs we display every once in mod
int seriesBars = (mod > 1) ? (int)Math.Ceiling(1 / (double)mod) : seriesCount;
int yValueCount = yValues.GetUpperBound(0) + 1;
string gradientXAML = lf.GetElementGradientXAML();
double barWidth = (gridWidth / Math.Max(yValueCount, groupCount));
double gridBottom = gridHeight + marginTop + yOffset, dx, dy;
for (int i = 0; i < seriesCount; ++i)
{
// for combo charts we draw a bar every once in a mod.
if ((mod > 1) && (i % mod) != rem)
{
continue;
}
dx = marginLeft + barWidth / 2;
StringBuilder sb = new StringBuilder();
for (int j = 0; j < yValueCount; ++j)
{
dy = gridBottom - gridHeight * (yValues[j, i] - minValue) / (maxValue - minValue);
if (j != yValueCount - 1)
{
sb.Append("M").Append(dx).Append(",").Append(dy);
sb.Append(" l").Append(xOffset).Append(",").Append(-yOffset);
var nextdy = gridBottom - gridHeight * (yValues[j + 1, i] - minValue) / (maxValue - minValue);
var nextdx = dx + barWidth;
sb.Append(" L").Append(nextdx + xOffset).Append(",").Append(nextdy - yOffset);
sb.Append(" L").Append(nextdx).Append(",").Append(nextdy);
sb.Append(" L").Append(dx).Append(",").Append(dy);
dx += barWidth;
}
}
pathElem = CreatePathFromXAMLAndData(pathXAML, sb);
if (gradientXAML != null)
{
SetGradientOnElement(pathElem, gradientXAML, seriesColors[i], 0xC0);
}
else
{
SetFillOnElement(pathElem, seriesColors[i]);
}
pathElem.SetValue(Path.StrokeProperty, new SolidColorBrush(seriesColors[i]));
(pathElem.Data as PathGeometry).FillRule = FillRule.Nonzero;
SetExpandosOnElement(pathElem, -1, i, new Point());
if (DisplayToolTip)
{
pathElem.MouseMove += new MouseEventHandler(ShowToolTip);
pathElem.MouseLeave += new MouseEventHandler(HideToolTip);
}
pathElem.MouseLeftButtonUp += new MouseButtonEventHandler(ChartDataClicked);
if (animate)
{
dataElems.Add(pathElem);
defaultTransform = new MatrixTransform();
Matrix m = new Matrix();
m.M11 = 0.0;
defaultTransform.Matrix = m;
pathElem.SetValue(UIElement.RenderTransformProperty, defaultTransform);
}
ChartCanvas.Children.Add(pathElem);
}
}
