public static XGlyphTypeface GetOrCreateFrom(string familyName, FontResolvingOptions fontResolvingOptions)
        {
            // Check cache for requested type face.
            string         typefaceKey = ComputeKey(familyName, fontResolvingOptions);
            XGlyphTypeface glyphTypeface;

            try
            {
                // Lock around TryGetGlyphTypeface and AddGlyphTypeface.
                Lock.EnterFontFactory();
                if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out glyphTypeface))
                {
                    // Just return existing one.
                    return(glyphTypeface);
                }

                // Resolve typeface by FontFactory.
                FontResolverInfo fontResolverInfo = FontFactory.ResolveTypeface(familyName, fontResolvingOptions, typefaceKey);
                if (fontResolverInfo == null)
                {
                    // No fallback - just stop.
                    throw new InvalidOperationException("No appropriate font found.");
                }

                GdiFont gdiFont = null;

                // Now create the font family at the first.
                XFontFamily fontFamily;
                PlatformFontResolverInfo platformFontResolverInfo = fontResolverInfo as PlatformFontResolverInfo;
                if (platformFontResolverInfo != null)
                {
                    // Case: fontResolverInfo was created by platform font resolver
                    // and contains platform specific objects that are reused.
                    // Reuse GDI+ font from platform font resolver.
                    gdiFont    = platformFontResolverInfo.GdiFont;
                    fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
                }
                else
                {
                    // Case: fontResolverInfo was created by custom font resolver.

                    // Get or create font family for custom font resolver retrieved font source.
                    fontFamily = XFontFamily.GetOrCreateFontFamily(familyName);
                }

                // We have a valid font resolver info. That means we also have an XFontSource object loaded in the cache.
                XFontSource fontSource = FontFactory.GetFontSourceByFontName(fontResolverInfo.FaceName);
                Debug.Assert(fontSource != null);

                // Each font source already contains its OpenTypeFontface.
                glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations, gdiFont);

                GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
            }
            finally { Lock.ExitFontFactory(); }
            return(glyphTypeface);
        }
Exemple #2
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        public static XGlyphTypeface GetOrCreateFrom(string familyName, FontResolvingOptions fontResolvingOptions)
        {
            // Check cache for requested type face.
            string         typefaceKey = ComputeKey(familyName, fontResolvingOptions);
            XGlyphTypeface glyphTypeface;

            try
            {
                // Lock around TryGetGlyphTypeface and AddGlyphTypeface.
                Lock.EnterFontFactory();
                if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out glyphTypeface))
                {
                    // Just return existing one.
                    return(glyphTypeface);
                }

                // Resolve typeface by FontFactory.
                FontResolverInfo fontResolverInfo = FontFactory.ResolveTypeface(familyName, fontResolvingOptions, typefaceKey);
                if (fontResolverInfo == null)
                {
                    // No fallback - just stop.
                    throw new InvalidOperationException("No appropriate font found.");
                }

#if CORE && !WITHOUT_DRAWING || GDI
                GdiFont gdiFont = null;
#endif
#if WPF
                WpfFontFamily    wpfFontFamily    = null;
                WpfTypeface      wpfTypeface      = null;
                WpfGlyphTypeface wpfGlyphTypeface = null;
#endif
#if UWP
                // Nothing to do.
#endif
                // Now create the font family at the first.
                XFontFamily fontFamily;
#if !WITHOUT_DRAWING
                PlatformFontResolverInfo platformFontResolverInfo = fontResolverInfo as PlatformFontResolverInfo;
                if (platformFontResolverInfo != null)
                {
                    // Case: fontResolverInfo was created by platform font resolver
                    // and contains platform specific objects that are reused.
#if CORE || GDI
                    // Reuse GDI+ font from platform font resolver.
                    gdiFont    = platformFontResolverInfo.GdiFont;
                    fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
#endif
#if WPF
#if !SILVERLIGHT
                    // Reuse WPF font family created from platform font resolver.
                    wpfFontFamily    = platformFontResolverInfo.WpfFontFamily;
                    wpfTypeface      = platformFontResolverInfo.WpfTypeface;
                    wpfGlyphTypeface = platformFontResolverInfo.WpfGlyphTypeface;
                    fontFamily       = XFontFamily.GetOrCreateFromWpf(wpfFontFamily);
#else
                    fontFamily = XFontFamily.GetOrCreateFromWpf(new WpfFontFamily(familyName));
#endif
#endif
#if NETFX_CORE || UWP
                    fontFamily = null;
#endif
                }
                else
#endif
                {
                    // Case: fontResolverInfo was created by custom font resolver.

                    // Get or create font family for custom font resolver retrieved font source.
                    fontFamily = XFontFamily.GetOrCreateFontFamily(familyName);
                }

                // We have a valid font resolver info. That means we also have an XFontSource object loaded in the cache.
                XFontSource fontSource = FontFactory.GetFontSourceByFontName(fontResolverInfo.FaceName);
                Debug.Assert(fontSource != null);

                // Each font source already contains its OpenTypeFontface.

#if CORE || GDI
                glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations
#if !WITHOUT_DRAWING
                                                   , gdiFont
#endif
                                                   );
#endif
#if WPF
                glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations, wpfTypeface, wpfGlyphTypeface);
#endif
#if NETFX_CORE || UWP
                glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations);
#endif
                GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
            }
            finally { Lock.ExitFontFactory(); }
            return(glyphTypeface);
        }