Test

PrintPDF/PdfSharp/Drawing/FontFamilyInternal.cs

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+#region PDFsharp - A .NET library for processing PDF
+//
+// Authors:
+//   Stefan Lange
+//
+// 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.Diagnostics;
+using System.Globalization;
+using PdfSharp.Internal;
+#if CORE || GDI
+using System.Drawing;
+using GdiFontFamily = System.Drawing.FontFamily;
+#endif
+#if WPF
+using System.Windows.Media;
+using System.Windows.Markup;
+using WpfFontFamily = System.Windows.Media.FontFamily;
+#endif
+
+// ReSharper disable ConvertToAutoProperty
+// ReSharper disable ConvertPropertyToExpressionBody
+
+namespace PdfSharp.Drawing
+{
+    /// <summary>
+    /// Internal implementation class of XFontFamily.
+    /// </summary>
+    [DebuggerDisplay("{DebuggerDisplay}")]
+    internal class FontFamilyInternal
+    {
+        // Implementation Notes
+        // FontFamilyInternal implements an XFontFamily.
+        //
+        // * Each XFontFamily object is just a handle to its FontFamilyInternal singleton.
+        //
+        // * A FontFamilyInternal is uniquely identified by its name. It
+        //    is not possible to use two different fonts that have the same
+        //    family name.
+
+        FontFamilyInternal(string familyName, bool createPlatformObjects)
+        {
+            _sourceName = _name = familyName;
+#if CORE || GDI
+            if (createPlatformObjects)
+            {
+                _gdiFontFamily = new GdiFontFamily(familyName);
+                _name = _gdiFontFamily.Name;
+            }
+#endif
+#if WPF && !SILVERLIGHT
+            if (createPlatformObjects)
+            {
+                _wpfFontFamily = new WpfFontFamily(familyName);
+                _name = _wpfFontFamily.FamilyNames[FontHelper.XmlLanguageEnUs];
+            }
+#endif
+#if SILVERLIGHT
+            _wpfFontFamily = new WpfFontFamily(_name);
+            _name = _wpfFontFamily.Source;  // Not expected to change _name.
+#endif
+        }
+
+#if CORE || GDI
+        FontFamilyInternal(GdiFontFamily gdiFontFamily)
+        {
+            _sourceName = _name = gdiFontFamily.Name;
+            _gdiFontFamily = gdiFontFamily;
+#if WPF
+            // Hybrid build only.
+            _wpfFontFamily = new WpfFontFamily(gdiFontFamily.Name);
+#endif
+        }
+#endif
+
+#if WPF
+        FontFamilyInternal(WpfFontFamily wpfFontFamily)
+        {
+#if !SILVERLIGHT
+            _sourceName = wpfFontFamily.Source;
+            _name = wpfFontFamily.FamilyNames[FontHelper.XmlLanguageEnUs];
+            _wpfFontFamily = wpfFontFamily;
+#else
+            _sourceName = _name = wpfFontFamily.Source;
+            _wpfFontFamily = wpfFontFamily;
+#endif
+#if GDI
+            // Hybrid build only.
+            _gdiFontFamily = new GdiFontFamily(_sourceName);
+#endif
+        }
+#endif
+
+        internal static FontFamilyInternal GetOrCreateFromName(string familyName, bool createPlatformObject)
+        {
+            try
+            {
+                Lock.EnterFontFactory();
+                FontFamilyInternal family = FontFamilyCache.GetFamilyByName(familyName);
+                if (family == null)
+                {
+                    family = new FontFamilyInternal(familyName, createPlatformObject);
+                    family = FontFamilyCache.CacheOrGetFontFamily(family);
+                }
+                return family;
+            }
+            finally { Lock.ExitFontFactory(); }
+        }
+
+#if CORE || GDI
+        internal static FontFamilyInternal GetOrCreateFromGdi(GdiFontFamily gdiFontFamily)
+        {
+            try
+            {
+                Lock.EnterFontFactory();
+                FontFamilyInternal fontFamily = new FontFamilyInternal(gdiFontFamily);
+                fontFamily = FontFamilyCache.CacheOrGetFontFamily(fontFamily);
+                return fontFamily;
+            }
+            finally { Lock.ExitFontFactory(); }
+        }
+#endif
+
+#if WPF
+        internal static FontFamilyInternal GetOrCreateFromWpf(WpfFontFamily wpfFontFamily)
+        {
+            FontFamilyInternal fontFamily = new FontFamilyInternal(wpfFontFamily);
+            fontFamily = FontFamilyCache.CacheOrGetFontFamily(fontFamily);
+            return fontFamily;
+        }
+#endif
+
+        /// <summary>
+        /// Gets the family name this family was originally created with.
+        /// </summary>
+        public string SourceName
+        {
+            get { return _sourceName; }
+        }
+        readonly string _sourceName;
+
+        /// <summary>
+        /// Gets the name that uniquely identifies this font family.
+        /// </summary>
+        public string Name
+        {
+            // In WPF this is the Win32FamilyName, not the WPF family name.
+            get { return _name; }
+        }
+        readonly string _name;
+
+#if CORE || GDI
+        /// <summary>
+        /// Gets the underlying GDI+ font family object.
+        /// Is null if the font was created by a font resolver.
+        /// </summary>
+        public GdiFontFamily GdiFamily
+        {
+            get { return _gdiFontFamily; }
+        }
+        readonly GdiFontFamily _gdiFontFamily;
+#endif
+
+#if WPF
+        /// <summary>
+        /// Gets the underlying WPF font family object.
+        /// Is null if the font was created by a font resolver.
+        /// </summary>
+        public WpfFontFamily WpfFamily
+        {
+            get { return _wpfFontFamily; }
+        }
+        readonly WpfFontFamily _wpfFontFamily;
+#endif
+
+        /// <summary>
+        /// Gets the DebuggerDisplayAttribute text.
+        /// </summary>
+        // ReSha rper disable UnusedMember.Local
+        internal string DebuggerDisplay
+        // ReShar per restore UnusedMember.Local
+        {
+            get { return string.Format(CultureInfo.InvariantCulture, "FontFamily: '{0}'", Name); }
+        }
+    }
+}