131 lines
4.7 KiB
C#
131 lines
4.7 KiB
C#
#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 PdfSharp.Drawing;
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using MigraDoc.DocumentObjectModel.Shapes;
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namespace MigraDoc.Rendering
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{
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/// <summary>
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/// Renders textframes.
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/// </summary>
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public class TextFrameRenderer : ShapeRenderer
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{
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public TextFrameRenderer(XGraphics gfx, TextFrame textframe, FieldInfos fieldInfos)
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: base(gfx, textframe, fieldInfos)
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{
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_textframe = textframe;
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TextFrameRenderInfo renderInfo = new TextFrameRenderInfo();
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renderInfo.DocumentObject = _shape;
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_renderInfo = renderInfo;
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}
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public TextFrameRenderer(XGraphics gfx, RenderInfo renderInfo, FieldInfos fieldInfos)
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: base(gfx, renderInfo, fieldInfos)
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{
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_textframe = (TextFrame)renderInfo.DocumentObject;
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}
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public override void Format(Area area, FormatInfo previousFormatInfo)
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{
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FormattedTextFrame formattedTextFrame = new FormattedTextFrame(_textframe, _documentRenderer, _fieldInfos);
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formattedTextFrame.Format(_gfx);
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((TextFrameFormatInfo)_renderInfo.FormatInfo).FormattedTextFrame = formattedTextFrame;
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base.Format(area, previousFormatInfo);
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}
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public override LayoutInfo InitialLayoutInfo
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{
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get { return base.InitialLayoutInfo; }
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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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RenderContent();
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RenderLine();
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}
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void RenderContent()
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{
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FormattedTextFrame formattedTextFrame = ((TextFrameFormatInfo)_renderInfo.FormatInfo).FormattedTextFrame;
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RenderInfo[] renderInfos = formattedTextFrame.GetRenderInfos();
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if (renderInfos == null)
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return;
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XGraphicsState state = Transform();
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RenderByInfos(renderInfos);
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ResetTransform(state);
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}
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XGraphicsState Transform()
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{
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Area frameContentArea = _renderInfo.LayoutInfo.ContentArea;
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XGraphicsState state = _gfx.Save();
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XUnit xPosition;
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XUnit yPosition;
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switch (_textframe.Orientation)
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{
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case TextOrientation.Downward:
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case TextOrientation.Vertical:
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case TextOrientation.VerticalFarEast:
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xPosition = frameContentArea.X + frameContentArea.Width;
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yPosition = frameContentArea.Y;
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_gfx.TranslateTransform(xPosition, yPosition);
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_gfx.RotateTransform(90);
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break;
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case TextOrientation.Upward:
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state = _gfx.Save();
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xPosition = frameContentArea.X;
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yPosition = frameContentArea.Y + frameContentArea.Height;
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_gfx.TranslateTransform(xPosition, yPosition);
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_gfx.RotateTransform(-90);
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break;
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default:
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xPosition = frameContentArea.X;
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yPosition = frameContentArea.Y;
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_gfx.TranslateTransform(xPosition, yPosition);
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break;
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}
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return state;
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}
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void ResetTransform(XGraphicsState state)
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{
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if (state != null)
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_gfx.Restore(state);
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}
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readonly TextFrame _textframe;
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}
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}
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