/// <summary>
/// Layouts and calculates the space used by the legend.
/// </summary>
internal override void Format()
{
ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
LegendRendererInfo lri = cri.legendRendererInfo;
if (lri == null)
{
return;
}
RendererParameters parms = new RendererParameters
{
Graphics = _rendererParms.Graphics
};
bool verticalLegend = lri._legend._docking == DockingType.Left || lri._legend._docking == DockingType.Right;
XSize maxMarkerArea = new XSize();
LegendEntryRenderer ler = new LegendEntryRenderer(parms);
foreach (LegendEntryRendererInfo leri in lri.Entries)
{
parms.RendererInfo = leri;
ler.Format();
maxMarkerArea.Width = Math.Max(leri.MarkerArea.Width, maxMarkerArea.Width);
maxMarkerArea.Height = Math.Max(leri.MarkerArea.Height, maxMarkerArea.Height);
if (verticalLegend)
{
lri.Width = Math.Max(lri.Width, leri.Width);
lri.Height += leri.Height;
}
else
{
lri.Width += leri.Width;
lri.Height = Math.Max(lri.Height, leri.Height);
}
}
// Add padding to left, right, top and bottom
int paddingFactor = 1;
if (lri.BorderPen != null)
{
paddingFactor = 2;
}
lri.Width += (LegendRenderer.LeftPadding + LegendRenderer.RightPadding) * paddingFactor;
lri.Height += (LegendRenderer.TopPadding + LegendRenderer.BottomPadding) * paddingFactor;
if (verticalLegend)
{
lri.Height += LegendRenderer.EntrySpacing * (lri.Entries.Length - 1);
}
else
{
lri.Width += LegendRenderer.EntrySpacing * (lri.Entries.Length - 1);
}
foreach (LegendEntryRendererInfo leri in lri.Entries)
{
leri.MarkerArea = maxMarkerArea;
}
}
/// <summary>
/// Draws the vertical Y axis.
/// </summary>
internal override void Draw()
{
AxisRendererInfo yari = ((ChartRendererInfo)_rendererParms.RendererInfo).yAxisRendererInfo;
double yMin = yari.MinimumScale;
double yMax = yari.MaximumScale;
double yMajorTick = yari.MajorTick;
double yMinorTick = yari.MinorTick;
XMatrix matrix = new XMatrix();
matrix.TranslatePrepend(-yari.InnerRect.X, yMax);
matrix.Scale(1, yari.InnerRect.Height / (yMax - yMin), XMatrixOrder.Append);
matrix.ScalePrepend(1, -1); // mirror horizontal
matrix.Translate(yari.InnerRect.X, yari.InnerRect.Y, XMatrixOrder.Append);
// Draw axis.
// First draw tick marks, second draw axis.
double majorTickMarkStart = 0, majorTickMarkEnd = 0,
minorTickMarkStart = 0, minorTickMarkEnd = 0;
GetTickMarkPos(yari, ref majorTickMarkStart, ref majorTickMarkEnd, ref minorTickMarkStart, ref minorTickMarkEnd);
XGraphics gfx = _rendererParms.Graphics;
LineFormatRenderer lineFormatRenderer = new LineFormatRenderer(gfx, yari.LineFormat);
LineFormatRenderer minorTickMarkLineFormat = new LineFormatRenderer(gfx, yari.MinorTickMarkLineFormat);
LineFormatRenderer majorTickMarkLineFormat = new LineFormatRenderer(gfx, yari.MajorTickMarkLineFormat);
XPoint[] points = new XPoint[2];
// Draw minor tick marks.
if (yari.MinorTickMark != TickMarkType.None)
{
for (double y = yMin + yMinorTick; y < yMax; y += yMinorTick)
{
points[0].X = minorTickMarkStart;
points[0].Y = y;
points[1].X = minorTickMarkEnd;
points[1].Y = y;
matrix.TransformPoints(points);
minorTickMarkLineFormat.DrawLine(points[0], points[1]);
}
}
double lineSpace = yari.TickLabelsFont.GetHeight(); // old: yari.TickLabelsFont.GetHeight(gfx);
int cellSpace = yari.TickLabelsFont.FontFamily.GetLineSpacing(yari.TickLabelsFont.Style);
double xHeight = yari.TickLabelsFont.Metrics.XHeight;
XSize labelSize = new XSize(0, 0)
{
Height = lineSpace * xHeight / cellSpace
};
int countTickLabels = (int)((yMax - yMin) / yMajorTick) + 1;
for (int i = 0; i < countTickLabels; ++i)
{
double y = yMin + yMajorTick * i;
string str = y.ToString(yari.TickLabelsFormat);
labelSize.Width = gfx.MeasureString(str, yari.TickLabelsFont).Width;
// Draw major tick marks.
if (yari.MajorTickMark != TickMarkType.None)
{
labelSize.Width += yari.MajorTickMarkWidth * 1.5;
points[0].X = majorTickMarkStart;
points[0].Y = y;
points[1].X = majorTickMarkEnd;
points[1].Y = y;
matrix.TransformPoints(points);
majorTickMarkLineFormat.DrawLine(points[0], points[1]);
}
else
{
labelSize.Width += SpaceBetweenLabelAndTickmark;
}
// Draw label text.
XPoint[] layoutText = new XPoint[1];
layoutText[0].X = yari.InnerRect.X + yari.InnerRect.Width - labelSize.Width;
layoutText[0].Y = y;
matrix.TransformPoints(layoutText);
layoutText[0].Y += labelSize.Height / 2; // Center text vertically.
gfx.DrawString(str, yari.TickLabelsFont, yari.TickLabelsBrush, layoutText[0]);
}
// Draw axis.
if (yari.LineFormat != null && yari.LineFormat.Width > 0)
{
points[0].X = yari.InnerRect.X + yari.InnerRect.Width;
points[0].Y = yMin;
points[1].X = yari.InnerRect.X + yari.InnerRect.Width;
points[1].Y = yMax;
matrix.TransformPoints(points);
if (yari.MajorTickMark != TickMarkType.None)
{
// yMax is at the upper side of the axis
points[1].Y -= yari.LineFormat.Width / 2;
points[0].Y += yari.LineFormat.Width / 2;
}
lineFormatRenderer.DrawLine(points[0], points[1]);
}
// Draw axis title
if (yari._axisTitleRendererInfo != null && yari._axisTitleRendererInfo.AxisTitleText != "")
{
RendererParameters parms = new RendererParameters
{
Graphics = gfx,
RendererInfo = yari
};
double width = yari._axisTitleRendererInfo.Width;
yari._axisTitleRendererInfo.Rect = yari.InnerRect;
yari._axisTitleRendererInfo.Width = width;
AxisTitleRenderer atr = new AxisTitleRenderer(parms);
atr.Draw();
}
}
/// <summary>
/// Initializes a new instance of the ColumnStackedPlotAreaRenderer class with the
/// specified renderer parameters.
/// </summary>
internal ColumnStackedPlotAreaRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Draws the legend.
/// </summary>
internal override void Draw()
{
ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
LegendRendererInfo lri = cri.legendRendererInfo;
if (lri == null)
{
return;
}
XGraphics gfx = _rendererParms.Graphics;
RendererParameters parms = new RendererParameters
{
Graphics = gfx
};
LegendEntryRenderer ler = new LegendEntryRenderer(parms);
bool verticalLegend = lri._legend._docking == DockingType.Left || lri._legend._docking == DockingType.Right;
int paddingFactor = 1;
if (lri.BorderPen != null)
{
paddingFactor = 2;
}
XRect legendRect = lri.Rect;
legendRect.X += LeftPadding * paddingFactor;
if (verticalLegend)
{
legendRect.Y = legendRect.Bottom - BottomPadding * paddingFactor;
}
else
{
legendRect.Y += TopPadding * paddingFactor;
}
foreach (LegendEntryRendererInfo leri in cri.legendRendererInfo.Entries)
{
if (verticalLegend)
{
legendRect.Y -= leri.Height;
}
XRect entryRect = legendRect;
entryRect.Width = leri.Width;
entryRect.Height = leri.Height;
leri.Rect = entryRect;
parms.RendererInfo = leri;
ler.Draw();
if (verticalLegend)
{
legendRect.Y -= EntrySpacing;
}
else
{
legendRect.X += entryRect.Width + EntrySpacing;
}
}
// Draw border around legend
if (lri.BorderPen != null)
{
XRect borderRect = lri.Rect;
borderRect.X += LeftPadding;
borderRect.Y += TopPadding;
borderRect.Width -= LeftPadding + RightPadding;
borderRect.Height -= TopPadding + BottomPadding;
gfx.DrawRectangle(lri.BorderPen, borderRect);
}
}
/// <summary>
/// Initializes a new instance of the LinePlotAreaRenderer class with the
/// specified renderer parameters.
/// </summary>
internal LinePlotAreaRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the PieDataLabelRenderer class with the
/// specified renderer parameters.
/// </summary>
internal PieDataLabelRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the YAxisRenderer class with the specified renderer parameters.
/// </summary>
internal YAxisRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the AxisTitleRenderer class with the
/// specified renderer parameters.
/// </summary>
internal AxisTitleRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the BarGridlinesRenderer class with the
/// specified renderer parameters.
/// </summary>
internal BarGridlinesRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Draws the vertical Y axis.
/// </summary>
internal override void Draw()
{
AxisRendererInfo yari = ((ChartRendererInfo)_rendererParms.RendererInfo).yAxisRendererInfo;
double yMin = yari.MinimumScale;
double yMax = yari.MaximumScale;
double yMajorTick = yari.MajorTick;
double yMinorTick = yari.MinorTick;
XMatrix matrix = new XMatrix();
matrix.TranslatePrepend(-yMin, -yari.Y);
matrix.Scale(yari.InnerRect.Width / (yMax - yMin), 1, XMatrixOrder.Append);
matrix.Translate(yari.X, yari.Y, XMatrixOrder.Append);
// Draw axis.
// First draw tick marks, second draw axis.
double majorTickMarkStart = 0, majorTickMarkEnd = 0,
minorTickMarkStart = 0, minorTickMarkEnd = 0;
GetTickMarkPos(yari, ref majorTickMarkStart, ref majorTickMarkEnd, ref minorTickMarkStart, ref minorTickMarkEnd);
XGraphics gfx = _rendererParms.Graphics;
LineFormatRenderer lineFormatRenderer = new LineFormatRenderer(gfx, yari.LineFormat);
XPoint[] points = new XPoint[2];
if (yari.MinorTickMark != TickMarkType.None)
{
for (double y = yMin + yMinorTick; y < yMax; y += yMinorTick)
{
points[0].X = y;
points[0].Y = minorTickMarkStart;
points[1].X = y;
points[1].Y = minorTickMarkEnd;
matrix.TransformPoints(points);
lineFormatRenderer.DrawLine(points[0], points[1]);
}
}
XStringFormat xsf = new XStringFormat
{
LineAlignment = XLineAlignment.Near
};
int countTickLabels = (int)((yMax - yMin) / yMajorTick) + 1;
for (int i = 0; i < countTickLabels; ++i)
{
double y = yMin + yMajorTick * i;
string str = y.ToString(yari.TickLabelsFormat);
XSize labelSize = gfx.MeasureString(str, yari.TickLabelsFont);
if (yari.MajorTickMark != TickMarkType.None)
{
labelSize.Height += 1.5f * yari.MajorTickMarkWidth;
points[0].X = y;
points[0].Y = majorTickMarkStart;
points[1].X = y;
points[1].Y = majorTickMarkEnd;
matrix.TransformPoints(points);
lineFormatRenderer.DrawLine(points[0], points[1]);
}
XPoint[] layoutText = new XPoint[1];
layoutText[0].X = y;
layoutText[0].Y = yari.Y + 1.5 * yari.MajorTickMarkWidth;
matrix.TransformPoints(layoutText);
layoutText[0].X -= labelSize.Width / 2; // Center text vertically.
gfx.DrawString(str, yari.TickLabelsFont, yari.TickLabelsBrush, layoutText[0], xsf);
}
if (yari.LineFormat != null)
{
points[0].X = yMin;
points[0].Y = yari.Y;
points[1].X = yMax;
points[1].Y = yari.Y;
matrix.TransformPoints(points);
if (yari.MajorTickMark != TickMarkType.None)
{
// yMax is at the upper side of the axis
points[0].X -= yari.LineFormat.Width / 2;
points[1].X += yari.LineFormat.Width / 2;
}
lineFormatRenderer.DrawLine(points[0], points[1]);
}
// Draw axis title
if (yari._axisTitleRendererInfo != null)
{
RendererParameters parms = new RendererParameters
{
Graphics = gfx,
RendererInfo = yari
};
XRect rcTitle = yari.Rect;
rcTitle.Height = yari._axisTitleRendererInfo.Height;
rcTitle.Y += yari.Rect.Height - rcTitle.Height;
yari._axisTitleRendererInfo.Rect = rcTitle;
AxisTitleRenderer atr = new AxisTitleRenderer(parms);
atr.Draw();
}
}
/// <summary>
/// Initializes a new instance of the ColumnLikePlotAreaRenderer class with the
/// specified renderer parameters.
/// </summary>
internal ColumnLikePlotAreaRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the LegendEntryRenderer class with the specified renderer
/// parameters.
/// </summary>
internal LegendEntryRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the ColumnDataLabelRenderer class with the
/// specified renderer parameters.
/// </summary>
internal ColumnDataLabelRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the PlotAreaBorderRenderer class with the specified
/// renderer parameters.
/// </summary>
internal PlotAreaBorderRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the PiePlotAreaRenderer class
/// with the specified renderer parameters.
/// </summary>
internal PieClosedPlotAreaRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the ColumnLikeLegendRenderer class with the
/// specified renderer parameters.
/// </summary>
internal ColumnLikeLegendRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the WallRenderer class with the specified renderer parameters.
/// </summary>
internal WallRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the PieExplodedPlotAreaRenderer class
/// with the specified renderer parameters.
/// </summary>
internal PieExplodedPlotAreaRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the BarClusteredPlotAreaRenderer class with the
/// specified renderer parameters.
/// </summary>
internal BarClusteredPlotAreaRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the VerticalYAxisRenderer class with the
/// specified renderer parameters.
/// </summary>
internal VerticalStackedYAxisRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the ColumnLikeChartRenderer class with the
/// specified renderer parameters.
/// </summary>
internal ColumnLikeChartRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the PieLegendRenderer class with the specified renderer
/// parameters.
/// </summary>
internal PieLegendRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the HorizontalXAxisRenderer class with the specified renderer parameters.
/// </summary>
internal HorizontalXAxisRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the BarClusteredLegendRenderer class with the
/// specified renderer parameters.
/// </summary>
internal BarClusteredLegendRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the CombinationChartRenderer class with the
/// specified renderer parameters.
/// </summary>
internal CombinationChartRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the ChartRenderer class with the specified renderer parameters.
/// </summary>
internal ChartRenderer(RendererParameters parms)
: base(parms)
{
}
/// <summary>
/// Initializes a new instance of the ColumnLikeGridlinesRenderer class with the
/// specified renderer parameters.
/// </summary>
internal ColumnLikeGridlinesRenderer(RendererParameters parms)
: base(parms)
{
}
