161 lines
4.7 KiB
C#
161 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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// Stefan Lange
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// Klaus Potzesny
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// David Stephensen
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//
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// Copyright (c) 2001-2009 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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#if false
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using System;
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using System.Diagnostics;
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using System.ComponentModel;
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using System.Drawing;
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using MigraDoc.DocumentObjectModel.publics;
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namespace MigraDoc.DocumentObjectModel
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{
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/// <summary>
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/// Provides functionality to measure the width of text during document design time.
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/// </summary>
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public sealed class TextMeasurement
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{
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/// <summary>
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/// Initializes a new instance of the TextMeasurement class with the specified font.
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/// </summary>
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public TextMeasurement(Font font)
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{
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if (font == null)
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throw new ArgumentNullException("font");
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this.font = font;
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}
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#if !SILVERLIGHT
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/// <summary>
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/// Returns the size of the bounding box of the specified text.
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/// </summary>
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public System.Drawing.SizeF MeasureString(string text, UnitType unitType)
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{
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if (text == null)
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throw new ArgumentNullException("text");
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if (!Enum.IsDefined(typeof(UnitType), unitType))
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throw new InvalidEnumArgumentException();
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System.Drawing.Graphics graphics = Realize();
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SizeF size = graphics.MeasureString(text, this .gdiFont, new PointF(0, 0), System.Drawing.StringFormat.GenericTypographic);
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switch (unitType)
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{
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case UnitType.Point:
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break;
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case UnitType.Centimeter:
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size.Width = (float)(size.Width * 2.54 / 72);
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size.Height = (float)(size.Height * 2.54 / 72);
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break;
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case UnitType.Inch:
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size.Width = size.Width / 72;
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size.Height = size.Height / 72;
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break;
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case UnitType.Millimeter:
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size.Width = (float)(size.Width * 25.4 / 72);
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size.Height = (float)(size.Height * 25.4 / 72);
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break;
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case UnitType.Pica:
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size.Width = size.Width / 12;
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size.Height = size.Height / 12;
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break;
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default:
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Debug.Assert(false, "Missing unit type");
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break;
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}
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return size;
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}
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/// <summary>
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/// Returns the size of the bounding box of the specified text in point.
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/// </summary>
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public SizeF MeasureString(string text)
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{
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return MeasureString(text, UnitType.Point);
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}
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/// <summary>
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/// Gets or sets the font used for measurement.
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/// </summary>
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public Font Font
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{
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get { return this .font; }
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set
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{
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if (value == null)
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throw new ArgumentNullException("value");
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if (this .font != value)
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{
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this .font = value;
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this .gdiFont = null;
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}
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}
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}
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Font font;
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/// <summary>
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/// Initializes appropriate GDI+ objects.
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/// </summary>
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Graphics Realize()
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{
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if (this .graphics == null)
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this .graphics = Graphics.FromHwnd(IntPtr.Zero);
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this .graphics.PageUnit = GraphicsUnit.Point;
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if (this .gdiFont == null)
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{
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System.Drawing.FontStyle style = System.Drawing.FontStyle.Regular;
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if (this .font.Bold)
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style |= System.Drawing.FontStyle.Bold;
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if (this .font.Italic)
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style |= System.Drawing.FontStyle.Italic;
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this .gdiFont = new System.Drawing.Font(this.font.Name, this.font.Size, style, System.Drawing.GraphicsUnit.Point);
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}
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return this .graphics;
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}
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System.Drawing.Font gdiFont;
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System.Drawing.Graphics graphics;
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#endif
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}
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}
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#endif |