369 lines
14 KiB
C#
369 lines
14 KiB
C#
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#region MigraDoc - Creating Documents on the Fly
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//
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// Authors:
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// Klaus Potzesny
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//
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// Copyright (c) 2001-2017 empira Software GmbH, Cologne Area (Germany)
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//
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// http://www.pdfsharp.com
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// http://www.migradoc.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 MigraDoc.DocumentObjectModel.publics;
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using MigraDoc.DocumentObjectModel.Tables;
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using PdfSharp.Drawing;
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using MigraDoc.DocumentObjectModel.Shapes;
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using MigraDoc.DocumentObjectModel.Shapes.Charts;
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namespace MigraDoc.Rendering
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{
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/// <summary>
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/// Renders a chart to an XGraphics object.
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/// </summary>
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public class ChartRenderer : ShapeRenderer
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{
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public ChartRenderer(XGraphics gfx, Chart chart, FieldInfos fieldInfos)
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: base(gfx, chart, fieldInfos)
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{
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_chart = chart;
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ChartRenderInfo renderInfo = new ChartRenderInfo();
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renderInfo.DocumentObject = _shape;
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_renderInfo = renderInfo;
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}
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public ChartRenderer(XGraphics gfx, RenderInfo renderInfo, FieldInfos fieldInfos)
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: base(gfx, renderInfo, fieldInfos)
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{
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_chart = (Chart)renderInfo.DocumentObject;
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}
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FormattedTextArea GetFormattedTextArea(TextArea area, XUnit width)
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{
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if (area == null)
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return null;
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FormattedTextArea formattedTextArea = new FormattedTextArea(_documentRenderer, area, _fieldInfos);
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if (!double.IsNaN(width))
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formattedTextArea.InnerWidth = width;
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formattedTextArea.Format(_gfx);
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return formattedTextArea;
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}
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FormattedTextArea GetFormattedTextArea(TextArea area)
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{
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return GetFormattedTextArea(area, double.NaN);
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}
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void GetLeftRightVerticalPosition(out XUnit top, out XUnit bottom)
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{
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//REM: Line width is still ignored while layouting charts.
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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top = contentArea.Y;
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if (formatInfo.FormattedHeader != null)
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top += formatInfo.FormattedHeader.InnerHeight;
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bottom = contentArea.Y + contentArea.Height;
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if (formatInfo.FormattedFooter != null)
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bottom -= formatInfo.FormattedFooter.InnerHeight;
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}
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Rectangle GetLeftRect()
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit top;
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XUnit bottom;
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GetLeftRightVerticalPosition(out top, out bottom);
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XUnit left = contentArea.X;
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XUnit width = formatInfo.FormattedLeft.InnerWidth;
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return new Rectangle(left, top, width, bottom - top);
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}
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Rectangle GetRightRect()
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit top;
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XUnit bottom;
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GetLeftRightVerticalPosition(out top, out bottom);
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XUnit left = contentArea.X + contentArea.Width - formatInfo.FormattedRight.InnerWidth;
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XUnit width = formatInfo.FormattedRight.InnerWidth;
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return new Rectangle(left, top, width, bottom - top);
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}
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Rectangle GetHeaderRect()
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit left = contentArea.X;
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XUnit top = contentArea.Y;
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XUnit width = contentArea.Width;
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XUnit height = formatInfo.FormattedHeader.InnerHeight;
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return new Rectangle(left, top, width, height);
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}
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Rectangle GetFooterRect()
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit left = contentArea.X;
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XUnit top = contentArea.Y + contentArea.Height - formatInfo.FormattedFooter.InnerHeight;
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XUnit width = contentArea.Width;
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XUnit height = formatInfo.FormattedFooter.InnerHeight;
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return new Rectangle(left, top, width, height);
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}
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Rectangle GetTopRect()
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit left;
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XUnit right;
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GetTopBottomHorizontalPosition(out left, out right);
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XUnit top = contentArea.Y;
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if (formatInfo.FormattedHeader != null)
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top += formatInfo.FormattedHeader.InnerHeight;
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XUnit height = formatInfo.FormattedTop.InnerHeight;
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return new Rectangle(left, top, right - left, height);
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}
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Rectangle GetBottomRect()
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit left;
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XUnit right;
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GetTopBottomHorizontalPosition(out left, out right);
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XUnit top = contentArea.Y + contentArea.Height - formatInfo.FormattedBottom.InnerHeight;
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if (formatInfo.FormattedFooter != null)
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top -= formatInfo.FormattedFooter.InnerHeight;
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XUnit height = formatInfo.FormattedBottom.InnerHeight;
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return new Rectangle(left, top, right - left, height);
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}
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Rectangle GetPlotRect()
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit top = contentArea.Y;
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if (formatInfo.FormattedHeader != null)
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top += formatInfo.FormattedHeader.InnerHeight;
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if (formatInfo.FormattedTop != null)
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top += formatInfo.FormattedTop.InnerHeight;
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XUnit bottom = contentArea.Y + contentArea.Height;
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if (formatInfo.FormattedFooter != null)
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bottom -= formatInfo.FormattedFooter.InnerHeight;
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if (formatInfo.FormattedBottom != null)
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bottom -= formatInfo.FormattedBottom.InnerHeight;
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XUnit left = contentArea.X;
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if (formatInfo.FormattedLeft != null)
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left += formatInfo.FormattedLeft.InnerWidth;
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XUnit right = contentArea.X + contentArea.Width;
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if (formatInfo.FormattedRight != null)
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right -= formatInfo.FormattedRight.InnerWidth;
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return new Rectangle(left, top, right - left, bottom - top);
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}
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public override void Format(Area area, FormatInfo previousFormatInfo)
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{
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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TextArea textArea = (TextArea)_chart.GetValue("HeaderArea", GV.ReadOnly);
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formatInfo.FormattedHeader = GetFormattedTextArea(textArea, _chart.Width.Point);
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textArea = (TextArea)_chart.GetValue("FooterArea", GV.ReadOnly);
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formatInfo.FormattedFooter = GetFormattedTextArea(textArea, _chart.Width.Point);
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textArea = (TextArea)_chart.GetValue("LeftArea", GV.ReadOnly);
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formatInfo.FormattedLeft = GetFormattedTextArea(textArea);
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textArea = (TextArea)_chart.GetValue("RightArea", GV.ReadOnly);
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formatInfo.FormattedRight = GetFormattedTextArea(textArea);
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textArea = (TextArea)_chart.GetValue("TopArea", GV.ReadOnly);
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formatInfo.FormattedTop = GetFormattedTextArea(textArea, GetTopBottomWidth());
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textArea = (TextArea)_chart.GetValue("BottomArea", GV.ReadOnly);
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formatInfo.FormattedBottom = GetFormattedTextArea(textArea, GetTopBottomWidth());
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base.Format(area, previousFormatInfo);
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formatInfo.ChartFrame = ChartMapper.ChartMapper.Map(_chart);
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}
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XUnit AlignVertically(VerticalAlignment vAlign, XUnit top, XUnit bottom, XUnit height)
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{
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switch (vAlign)
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{
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case VerticalAlignment.Bottom:
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return bottom - height;
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case VerticalAlignment.Center:
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return (top + bottom - height) / 2;
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default:
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return top;
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}
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}
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/// <summary>
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/// Gets the width of the top and bottom area.
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/// Used while formatting.
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/// </summary>
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/// <returns>The width of the top and bottom area</returns>
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private XUnit GetTopBottomWidth()
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{
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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XUnit width = _chart.Width.Point;
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if (formatInfo.FormattedRight != null)
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width -= formatInfo.FormattedRight.InnerWidth;
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if (formatInfo.FormattedLeft != null)
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width -= formatInfo.FormattedLeft.InnerWidth;
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return width;
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}
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/// <summary>
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/// Gets the horizontal boundaries of the top and bottom area.
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/// Used while rendering.
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/// </summary>
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/// <param name="left">The left boundary of the top and bottom area</param>
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/// <param name="right">The right boundary of the top and bottom area</param>
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private void GetTopBottomHorizontalPosition(out XUnit left, out XUnit right)
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{
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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left = contentArea.X;
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right = contentArea.X + contentArea.Width;
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if (formatInfo.FormattedRight != null)
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right -= formatInfo.FormattedRight.InnerWidth;
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if (formatInfo.FormattedLeft != null)
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left += formatInfo.FormattedLeft.InnerWidth;
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}
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void RenderArea(FormattedTextArea area, Rectangle rect)
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{
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if (area == null)
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return;
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TextArea textArea = area.TextArea;
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FillFormatRenderer fillFormatRenderer = new FillFormatRenderer((FillFormat)textArea.GetValue("FillFormat", GV.ReadOnly), _gfx);
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fillFormatRenderer.Render(rect.X, rect.Y, rect.Width, rect.Height);
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XUnit top = rect.Y;
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top += textArea.TopPadding;
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XUnit bottom = rect.Y + rect.Height;
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bottom -= textArea.BottomPadding;
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top = AlignVertically(textArea.VerticalAlignment, top, bottom, area.ContentHeight);
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XUnit left = rect.X;
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left += textArea.LeftPadding;
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RenderInfo[] renderInfos = area.GetRenderInfos();
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RenderByInfos(left, top, renderInfos);
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LineFormatRenderer lineFormatRenderer = new LineFormatRenderer((LineFormat)textArea.GetValue("LineFormat", GV.ReadOnly), _gfx);
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lineFormatRenderer.Render(rect.X, rect.Y, rect.Width, rect.Height);
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}
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public override void Render()
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{
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RenderFilling();
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Area contentArea = _renderInfo.LayoutInfo.ContentArea;
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ChartFormatInfo formatInfo = (ChartFormatInfo)_renderInfo.FormatInfo;
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if (formatInfo.FormattedHeader != null)
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RenderArea(formatInfo.FormattedHeader, GetHeaderRect());
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if (formatInfo.FormattedFooter != null)
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RenderArea(formatInfo.FormattedFooter, GetFooterRect());
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if (formatInfo.FormattedTop != null)
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RenderArea(formatInfo.FormattedTop, GetTopRect());
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if (formatInfo.FormattedBottom != null)
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RenderArea(formatInfo.FormattedBottom, GetBottomRect());
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if (formatInfo.FormattedLeft != null)
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RenderArea(formatInfo.FormattedLeft, GetLeftRect());
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if (formatInfo.FormattedRight != null)
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RenderArea(formatInfo.FormattedRight, GetRightRect());
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PlotArea plotArea = (PlotArea)_chart.GetValue("PlotArea", GV.ReadOnly);
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if (plotArea != null)
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RenderPlotArea(plotArea, GetPlotRect());
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RenderLine();
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}
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void RenderPlotArea(PlotArea area, Rectangle rect)
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{
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PdfSharp.Charting.ChartFrame chartFrame = ((ChartFormatInfo)_renderInfo.FormatInfo).ChartFrame;
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XUnit top = rect.Y;
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top += area.TopPadding;
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XUnit bottom = rect.Y + rect.Height;
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bottom -= area.BottomPadding;
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XUnit left = rect.X;
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left += area.LeftPadding;
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XUnit right = rect.X + rect.Width;
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right -= area.RightPadding;
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chartFrame.Location = new XPoint(left, top);
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chartFrame.Size = new XSize(right - left, bottom - top);
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chartFrame.DrawChart(_gfx);
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}
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readonly Chart _chart;
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}
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}
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