123 lines
4.7 KiB
C#
123 lines
4.7 KiB
C#
#region PDFsharp Charting - A .NET charting library based on PDFsharp
|
|
//
|
|
// Authors:
|
|
// Niklas Schneider
|
|
//
|
|
// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
|
|
//
|
|
// http://www.pdfsharp.com
|
|
// http://sourceforge.net/projects/pdfsharp
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the "Software"),
|
|
// to deal in the Software without restriction, including without limitation
|
|
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
// and/or sell copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
#endregion
|
|
|
|
using System;
|
|
using PdfSharp.Drawing;
|
|
|
|
namespace PdfSharp.Charting.Renderers
|
|
{
|
|
/// <summary>
|
|
/// Represents a plot area renderer of stacked bars, i. e. all bars are drawn one on another.
|
|
/// </summary>
|
|
internal class BarStackedPlotAreaRenderer : BarPlotAreaRenderer
|
|
{
|
|
/// <summary>
|
|
/// Initializes a new instance of the BarStackedPlotAreaRenderer class with the
|
|
/// specified renderer parameters.
|
|
/// </summary>
|
|
internal BarStackedPlotAreaRenderer(RendererParameters parms)
|
|
: base(parms)
|
|
{ }
|
|
|
|
/// <summary>
|
|
/// Calculates the position, width and height of each bar of all series.
|
|
/// </summary>
|
|
protected override void CalcBars()
|
|
{
|
|
ChartRendererInfo cri = (ChartRendererInfo)_rendererParms.RendererInfo;
|
|
if (cri.seriesRendererInfos.Length == 0)
|
|
return;
|
|
|
|
double xMax = cri.xAxisRendererInfo.MaximumScale;
|
|
double xMajorTick = cri.xAxisRendererInfo.MajorTick;
|
|
|
|
int maxPoints = 0;
|
|
foreach (SeriesRendererInfo sri in cri.seriesRendererInfos)
|
|
maxPoints = Math.Max(maxPoints, sri._series._seriesElements.Count);
|
|
|
|
// Space used by one bar.
|
|
double x = xMax - xMajorTick / 2;
|
|
double columnWidth = xMajorTick * 0.75 / 2;
|
|
|
|
XPoint[] points = new XPoint[2];
|
|
for (int pointIdx = 0; pointIdx < maxPoints; ++pointIdx)
|
|
{
|
|
double yMin = 0, yMax = 0, y0 = 0, y1 = 0;
|
|
double x0 = x - columnWidth;
|
|
double x1 = x + columnWidth;
|
|
|
|
foreach (SeriesRendererInfo sri in cri.seriesRendererInfos)
|
|
{
|
|
if (sri._pointRendererInfos.Length <= pointIdx)
|
|
break;
|
|
|
|
ColumnRendererInfo column = (ColumnRendererInfo)sri._pointRendererInfos[pointIdx];
|
|
if (column.Point != null && !double.IsNaN(column.Point._value))
|
|
{
|
|
double y = column.Point._value;
|
|
if (y < 0)
|
|
{
|
|
y0 = yMin + y;
|
|
y1 = yMin;
|
|
yMin += y;
|
|
}
|
|
else
|
|
{
|
|
y0 = yMax;
|
|
y1 = yMax + y;
|
|
yMax += y;
|
|
}
|
|
|
|
points[0].Y = x0; // oben links
|
|
points[0].X = y0;
|
|
points[1].Y = x1; // unten rechts
|
|
points[1].X = y1;
|
|
|
|
cri.plotAreaRendererInfo._matrix.TransformPoints(points);
|
|
|
|
column.Rect = new XRect(points[0].X,
|
|
points[0].Y,
|
|
points[1].X - points[0].X,
|
|
points[1].Y - points[0].Y);
|
|
}
|
|
}
|
|
x--; // Next stacked column.
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// If yValue is within the range from yMin to yMax returns true, otherwise false.
|
|
/// </summary>
|
|
protected override bool IsDataInside(double yMin, double yMax, double yValue)
|
|
{
|
|
return yValue <= yMax && yValue >= yMin;
|
|
}
|
|
}
|
|
}
|