vendor: import KillerPDF 1.7.5 source (GPL-3.0) as the base for MMD PDF

2026-08-27 06:58:22 +02:00
commit 532485a830
577 changed files with 149058 additions and 0 deletions
@@ -0,0 +1,178 @@
+#region PDFsharp - A .NET library for processing PDF
+//
+// Authors:
+//   Stefan Lange
+//
+// Copyright (c) 2005-2016 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;
+using PdfSharpCore.Fonts;
+using PdfSharpCore.Fonts.OpenType;
+
+namespace PdfSharpCore.Drawing
+{
+    /// <summary>
+    /// Defines a group of typefaces having a similar basic design and certain variations in styles.
+    /// </summary>
+    public sealed class XFontFamily
+    {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="XFontFamily"/> class.
+        /// </summary>
+        /// <param name="familyName">The family name of a font.</param>
+        public XFontFamily(string familyName)
+        {
+            FamilyInternal = FontFamilyInternal.GetOrCreateFromName(familyName, true);
+        }
+
+        internal XFontFamily(string familyName, bool createPlatformObjects)
+        {
+            FamilyInternal = FontFamilyInternal.GetOrCreateFromName(familyName, createPlatformObjects);
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="XFontFamily"/> class from FontFamilyInternal.
+        /// </summary>
+        XFontFamily(FontFamilyInternal fontFamilyInternal)
+        {
+            FamilyInternal = fontFamilyInternal;
+        }
+        internal static XFontFamily CreateFromName_not_used(string name, bool createPlatformFamily)
+        {
+            XFontFamily fontFamily = new XFontFamily(name);
+            return fontFamily;
+        }
+
+        /// <summary>
+        /// An XGlyphTypeface for a font souce that comes from a custom font resolver
+        /// creates a solitary font family exclusively for it.
+        /// </summary>
+        internal static XFontFamily CreateSolitary(string name)
+        {
+            // Custom font resolver face names must not clash with platform family names.
+            FontFamilyInternal fontFamilyInternal = FontFamilyCache.GetFamilyByName(name);
+            if (fontFamilyInternal == null)
+            {
+                fontFamilyInternal = FontFamilyInternal.GetOrCreateFromName(name, false);
+                fontFamilyInternal = FontFamilyCache.CacheOrGetFontFamily(fontFamilyInternal);
+            }
+
+            // Create font family and save it in cache. Do not try to create platform objects.
+            return new XFontFamily(fontFamilyInternal);
+
+            //// Custom font resolver face names must not clash with platform family names.
+            //if (FontFamilyCache.GetFamilyByName(name) != null)
+            //{
+            //    // User must rename its font face to resolve naming confilict.
+            //    throw new InvalidOperationException(String.Format("Font face name {0} clashs with existing family name.", name));
+            //}
+
+            //// Create font family and save it in cache. Do not try to create platform objects.
+            //FontFamilyInternal fontFamilyInternal = FontFamilyInternal.GetOrCreateFromName(name, false);
+            //fontFamilyInternal = FontFamilyCache.CacheFontFamily(fontFamilyInternal);
+            //return new XFontFamily(fontFamilyInternal);
+        }
+
+        /// <summary>
+        /// Gets the name of the font family.
+        /// </summary>
+        public string Name
+        {
+            get { return FamilyInternal.Name; }
+        }
+
+#if true__
+        public double LineSpacing
+        {
+            get
+            {
+                WpfFamily.FamilyTypefaces[0].UnderlineThickness
+            }
+        }
+
+#endif
+
+        /// <summary>
+        /// Returns the cell ascent, in design units, of the XFontFamily object of the specified style.
+        /// </summary>
+        public int GetCellAscent(XFontStyle style)
+        {
+            OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
+            int result = descriptor.Ascender;
+            return result;
+        }
+
+        /// <summary>
+        /// Returns the cell descent, in design units, of the XFontFamily object of the specified style.
+        /// </summary>
+        public int GetCellDescent(XFontStyle style)
+        {
+            OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
+            int result = descriptor.Descender;
+            return result;
+        }
+
+        /// <summary>
+        /// Gets the height, in font design units, of the em square for the specified style.
+        /// </summary>
+        public int GetEmHeight(XFontStyle style)
+        {
+            OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
+            int result = descriptor.UnitsPerEm;
+#if DEBUG_
+            int headValue = descriptor.FontFace.head.unitsPerEm;
+            Debug.Assert(headValue == result);
+#endif
+            return result;
+        }
+
+        /// <summary>
+        /// Returns the line spacing, in design units, of the FontFamily object of the specified style.
+        /// The line spacing is the vertical distance between the base lines of two consecutive lines of text.
+        /// </summary>
+        public int GetLineSpacing(XFontStyle style)
+        {
+            OpenTypeDescriptor descriptor = (OpenTypeDescriptor)FontDescriptorCache.GetOrCreateDescriptor(Name, style);
+            int result = descriptor.LineSpacing;
+            return result;
+        }
+
+        //public string GetName(int language);
+
+        /// <summary>
+        /// Indicates whether the specified FontStyle enumeration is available.
+        /// </summary>
+        public bool IsStyleAvailable(XFontStyle style)
+        {
+            XGdiFontStyle xStyle = ((XGdiFontStyle)style) & XGdiFontStyle.BoldItalic;
+            return false;
+        }
+
+        /// <summary>
+        /// The implementation sigleton of font family;
+        /// </summary>
+        internal FontFamilyInternal FamilyInternal;
+    }
+}