190 lines
8.1 KiB
C#
190 lines
8.1 KiB
C#
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#region PDFsharp Charting - A .NET charting library based on PDFsharp
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//
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// Authors:
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// Niklas Schneider
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//
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// Copyright (c) 2005-2017 empira Software GmbH, Cologne Area (Germany)
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//
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// http://www.pdfsharp.com
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// http://sourceforge.net/projects/pdfsharp
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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#endregion
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using PdfSharp.Drawing;
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namespace PdfSharp.Charting.Renderers
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{
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/// <summary>
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/// Represents the base for all specialized axis renderer. Initialization common too all
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/// axis renderer should come here.
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/// </summary>
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internal abstract class AxisRenderer : Renderer
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{
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/// <summary>
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/// Initializes a new instance of the AxisRenderer class with the specified renderer parameters.
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/// </summary>
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internal AxisRenderer(RendererParameters parms)
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: base(parms)
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{ }
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/// <summary>
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/// Initializes the axis title of the rendererInfo. All missing font attributes will be taken
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/// from the specified defaultFont.
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/// </summary>
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protected void InitAxisTitle(AxisRendererInfo rendererInfo, XFont defaultFont)
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{
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if (rendererInfo._axis._title != null)
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{
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AxisTitleRendererInfo atri = new AxisTitleRendererInfo();
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rendererInfo._axisTitleRendererInfo = atri;
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atri._axisTitle = rendererInfo._axis._title;
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atri.AxisTitleText = rendererInfo._axis._title._caption;
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atri.AxisTitleAlignment = rendererInfo._axis._title._alignment;
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atri.AxisTitleVerticalAlignment = rendererInfo._axis._title._verticalAlignment;
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atri.AxisTitleFont = Converter.ToXFont(rendererInfo._axis._title._font, defaultFont);
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XColor fontColor = XColors.Black;
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if (rendererInfo._axis._title._font != null && !rendererInfo._axis._title._font._color.IsEmpty)
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fontColor = rendererInfo._axis._title._font._color;
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atri.AxisTitleBrush = new XSolidBrush(fontColor);
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atri.AxisTitleOrientation = rendererInfo._axis._title._orientation;
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}
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}
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/// <summary>
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/// Initializes the tick labels of the rendererInfo. All missing font attributes will be taken
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/// from the specified defaultFont.
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/// </summary>
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protected void InitTickLabels(AxisRendererInfo rendererInfo, XFont defaultFont)
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{
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if (rendererInfo._axis._tickLabels != null)
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{
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rendererInfo.TickLabelsFont = Converter.ToXFont(rendererInfo._axis._tickLabels._font, defaultFont);
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XColor fontColor = XColors.Black;
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if (rendererInfo._axis._tickLabels._font != null && !rendererInfo._axis._tickLabels._font._color.IsEmpty)
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fontColor = rendererInfo._axis._tickLabels._font._color;
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rendererInfo.TickLabelsBrush = new XSolidBrush(fontColor);
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rendererInfo.TickLabelsFormat = rendererInfo._axis._tickLabels._format;
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if (rendererInfo.TickLabelsFormat == null)
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rendererInfo.TickLabelsFormat = GetDefaultTickLabelsFormat();
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}
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else
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{
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rendererInfo.TickLabelsFont = defaultFont;
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rendererInfo.TickLabelsBrush = new XSolidBrush(XColors.Black);
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rendererInfo.TickLabelsFormat = GetDefaultTickLabelsFormat();
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}
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}
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/// <summary>
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/// Initializes the line format of the rendererInfo.
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/// </summary>
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protected void InitAxisLineFormat(AxisRendererInfo rendererInfo)
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{
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if (rendererInfo._axis._minorTickMarkInitialized)
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rendererInfo.MinorTickMark = rendererInfo._axis.MinorTickMark;
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if (rendererInfo._axis._majorTickMarkInitialized)
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rendererInfo.MajorTickMark = rendererInfo._axis.MajorTickMark;
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else
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rendererInfo.MajorTickMark = TickMarkType.Outside;
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if (rendererInfo.MinorTickMark != TickMarkType.None)
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rendererInfo.MinorTickMarkLineFormat = Converter.ToXPen(rendererInfo._axis._lineFormat, XColors.Black, DefaultMinorTickMarkLineWidth);
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if (rendererInfo.MajorTickMark != TickMarkType.None)
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rendererInfo.MajorTickMarkLineFormat = Converter.ToXPen(rendererInfo._axis._lineFormat, XColors.Black, DefaultMajorTickMarkLineWidth);
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if (rendererInfo._axis._lineFormat != null)
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{
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rendererInfo.LineFormat = Converter.ToXPen(rendererInfo._axis.LineFormat, XColors.Black, DefaultLineWidth);
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if (!rendererInfo._axis._majorTickMarkInitialized)
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rendererInfo.MajorTickMark = TickMarkType.Outside;
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}
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}
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/// <summary>
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/// Initializes the gridlines of the rendererInfo.
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/// </summary>
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protected void InitGridlines(AxisRendererInfo rendererInfo)
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{
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if (rendererInfo._axis._minorGridlines != null)
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{
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rendererInfo.MinorGridlinesLineFormat =
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Converter.ToXPen(rendererInfo._axis._minorGridlines._lineFormat, XColors.Black, DefaultGridLineWidth);
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}
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else if (rendererInfo._axis._hasMinorGridlines)
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{
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// No minor gridlines object are given, but user asked for.
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rendererInfo.MinorGridlinesLineFormat = new XPen(XColors.Black, DefaultGridLineWidth);
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}
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if (rendererInfo._axis._majorGridlines != null)
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{
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rendererInfo.MajorGridlinesLineFormat =
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Converter.ToXPen(rendererInfo._axis._majorGridlines._lineFormat, XColors.Black, DefaultGridLineWidth);
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}
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else if (rendererInfo._axis._hasMajorGridlines)
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{
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// No major gridlines object are given, but user asked for.
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rendererInfo.MajorGridlinesLineFormat = new XPen(XColors.Black, DefaultGridLineWidth);
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}
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}
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/// <summary>
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/// Default width for a variety of lines.
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/// </summary>
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protected const double DefaultLineWidth = 0.4; // 0.15 mm
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/// <summary>
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/// Default width for a gridlines.
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/// </summary>
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protected const double DefaultGridLineWidth = 0.15;
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/// <summary>
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/// Default width for major tick marks.
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/// </summary>
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protected const double DefaultMajorTickMarkLineWidth = 1;
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/// <summary>
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/// Default width for minor tick marks.
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/// </summary>
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protected const double DefaultMinorTickMarkLineWidth = 1;
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/// <summary>
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/// Default width of major tick marks.
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/// </summary>
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protected const double DefaultMajorTickMarkWidth = 4.3; // 1.5 mm
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/// <summary>
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/// Default width of minor tick marks.
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/// </summary>
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protected const double DefaultMinorTickMarkWidth = 2.8; // 1 mm
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/// <summary>
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/// Default width of space between label and tick mark.
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/// </summary>
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protected const double SpaceBetweenLabelAndTickmark = 2.1; // 0.7 mm
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protected abstract string GetDefaultTickLabelsFormat();
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}
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}
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