/// <summary>
/// Creates a typeface.
/// </summary>
public static Typeface CreateTypeface(XFontFamily family, XFontStyle style)
{
FontStyle fontStyle = FontStyleFromStyle(style);
FontWeight fontWeight = FontWeightFromStyle(style);
Typeface typeface = new Typeface(family.wpfFamily, fontStyle, fontWeight, FontStretches.Normal);
return typeface;
}
public static int GetWpfValue(XFontFamily family, XFontStyle style, GWV value)
{
FontDescriptor descriptor = FontDescriptorStock.NewInstance.CreateDescriptor(family, style);
XFontMetrics metrics = descriptor.FontMetrics;
switch (value)
{
case GWV.GetCellAscent:
return metrics.Ascent;
case GWV.GetCellDescent:
return Math.Abs(metrics.Descent);
case GWV.GetEmHeight:
//return (int)metrics.CapHeight;
return metrics.UnitsPerEm;
case GWV.GetLineSpacing:
return metrics.Ascent + Math.Abs(metrics.Descent) + metrics.Leading;
default:
throw new InvalidOperationException("Unknown GWV value.");
// DELETE
//case GWV.IsStyleAvailable:
// style &= XFontStyle.Regular | XFontStyle.Bold | XFontStyle.Italic | XFontStyle.BoldItalic; // same as XFontStyle.BoldItalic
// List<Typeface> s_typefaces = new List<Typeface>(family.wpfFamily.GetTypefaces());
// foreach (Typeface typeface in s_typefaces)
// {
// }
// Debugger.Break();
////typeface.Style = FontStyles.
}
}
public static XGlyphTypeface GetOrCreateFromGdi(GdiFont gdiFont)
{
// $TODO THHO Lock???
string typefaceKey = ComputeKey(gdiFont);
XGlyphTypeface glyphTypeface;
if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out glyphTypeface))
{
// We have the glyph typeface already in cache.
return(glyphTypeface);
}
XFontFamily fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
XFontSource fontSource = XFontSource.GetOrCreateFromGdi(typefaceKey, gdiFont);
// Check if styles must be simulated.
XStyleSimulations styleSimulations = XStyleSimulations.None;
if (gdiFont.Bold && !fontSource.Fontface.os2.IsBold)
{
styleSimulations |= XStyleSimulations.BoldSimulation;
}
if (gdiFont.Italic && !fontSource.Fontface.os2.IsItalic)
{
styleSimulations |= XStyleSimulations.ItalicSimulation;
}
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, styleSimulations, gdiFont);
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
return(glyphTypeface);
}
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);
}
public static XGlyphTypeface GetOrCreateFromWpf(WpfTypeface wpfTypeface)
{
#if DEBUG
if (wpfTypeface.FontFamily.Source == "Segoe UI Semilight")
{
wpfTypeface.GetType();
}
#endif
//string typefaceKey = ComputeKey(wpfTypeface);
//XGlyphTypeface glyphTypeface;
//if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out glyphTypeface))
//{
// // We have the glyph typeface already in cache.
// return glyphTypeface;
//}
// Lock around TryGetGlyphTypeface and AddGlyphTypeface.
try
{
Lock.EnterFontFactory();
// Create WPF glyph typeface.
WpfGlyphTypeface wpfGlyphTypeface;
if (!wpfTypeface.TryGetGlyphTypeface(out wpfGlyphTypeface))
{
return(null);
}
string typefaceKey = ComputeKey(wpfGlyphTypeface);
string name1 = wpfGlyphTypeface.DesignerNames[FontHelper.CultureInfoEnUs];
string name2 = wpfGlyphTypeface.FaceNames[FontHelper.CultureInfoEnUs];
string name3 = wpfGlyphTypeface.FamilyNames[FontHelper.CultureInfoEnUs];
string name4 = wpfGlyphTypeface.ManufacturerNames[FontHelper.CultureInfoEnUs];
string name5 = wpfGlyphTypeface.Win32FaceNames[FontHelper.CultureInfoEnUs];
string name6 = wpfGlyphTypeface.Win32FamilyNames[FontHelper.CultureInfoEnUs];
XGlyphTypeface glyphTypeface;
if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out glyphTypeface))
{
// We have the glyph typeface already in cache.
return(glyphTypeface);
}
XFontFamily fontFamily = XFontFamily.GetOrCreateFromWpf(wpfTypeface.FontFamily);
XFontSource fontSource = XFontSource.GetOrCreateFromWpf(typefaceKey, wpfGlyphTypeface);
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource,
(XStyleSimulations)wpfGlyphTypeface.StyleSimulations,
wpfTypeface, wpfGlyphTypeface);
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
return(glyphTypeface);
}
finally { Lock.ExitFontFactory(); }
}
// ----- AddString ----------------------------------------------------------------------------
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XPoint origin,
XStringFormat format)
{
try
{
DiagnosticsHelper.HandleNotImplemented("XGraphicsPath.AddString");
}
catch
{
throw;
}
}
//public XFontFamily(GdiFontFamily gdiFontFamily)
//{
// FamilyInternal = FontFamilyInternal.GetOrCreateFromGdi(gdiFontFamily);
//}
internal static XFontFamily CreateFromName_not_used(string name, bool createPlatformFamily)
{
XFontFamily fontFamily = new XFontFamily(name);
if (createPlatformFamily)
{
#if GDI
//fontFamily._gdiFamily = new System.Drawing.FontFamily(name);
#endif
}
return(fontFamily);
}
const string KeyPrefix = "tk:"; // "typeface key"
#if CORE || GDI
XGlyphTypeface(string key, XFontFamily fontFamily, XFontSource fontSource, XStyleSimulations styleSimulations, GdiFont gdiFont)
{
_key = key;
_fontFamily = fontFamily;
_fontSource = fontSource;
_fontface = OpenTypeFontface.CetOrCreateFrom(fontSource);
Debug.Assert(ReferenceEquals(_fontSource.Fontface, _fontface));
_gdiFont = gdiFont;
_styleSimulations = styleSimulations;
Initialize();
}
/// <summary>
/// Determines whether the style is available as a glyph type face in the specified font family, i.e. the specified style is not simulated.
/// </summary>
public static bool IsStyleAvailable(XFontFamily family, XFontStyle style)
{
#if !SILVERLIGHT
// TODOWPF: check for correctness
FontDescriptor descriptor = FontDescriptorStock.Global.CreateDescriptor(family, style);
XFontMetrics metrics = descriptor.FontMetrics;
style &= XFontStyle.Regular | XFontStyle.Bold | XFontStyle.Italic | XFontStyle.BoldItalic; // same as XFontStyle.BoldItalic
List <Typeface> typefaces = new List <Typeface>(family.wpfFamily.GetTypefaces());
foreach (Typeface typeface in typefaces)
{
bool available = false;
GlyphTypeface glyphTypeface;
if (typeface.TryGetGlyphTypeface(out glyphTypeface))
{
#if DEBUG
glyphTypeface.GetType();
#endif
available = true;
}
#if DEBUG_ //
int weightClass = typeface.Weight.ToOpenTypeWeight();
switch (style)
{
case XFontStyle.Regular:
//if (typeface.TryGetGlyphTypeface(.Style == FontStyles.Normal && typeface.Weight== FontWeights.Normal.)
break;
case XFontStyle.Bold:
break;
case XFontStyle.Italic:
break;
case XFontStyle.BoldItalic:
break;
}
#endif
if (available)
{
return(true);
}
}
return(false);
#else
return(true); // AGHACK
#endif
}
/// <summary>
/// Initializes a new instance of the <see cref="XGlyphTypeface"/> class by a font source.
/// </summary>
public XGlyphTypeface(XFontSource fontSource)
{
string familyName = fontSource.Fontface.name.Name;
_fontFamily = new XFontFamily(familyName, false);
_fontface = fontSource.Fontface;
_isBold = _fontface.os2.IsBold;
_isItalic = _fontface.os2.IsItalic;
_key = ComputeKey(familyName, _isBold, _isItalic);
//_fontFamily =xfont FontFamilyCache.GetFamilyByName(familyName);
_fontSource = fontSource;
Initialize();
}
//#if CORE || GDI
// //public XFontFamily(GdiFontFamily gdiFontFamily)
// //{
// // FamilyInternal = FontFamilyInternal.GetOrCreateFromGdi(gdiFontFamily);
// //}
//#endif
//#if WPF
// //public XFontFamily(WpfFontFamily wpfFontFamily)
// //{
// // FamilyInternal = FontFamilyInternal.GetOrCreateFromWpf(wpfFontFamily);
// // //// HACK
// // //int idxHash = _name.LastIndexOf('#');
// // //if (idxHash > 0)
// // // _name = _name.Substring(idxHash + 1);
// // //_wpfFamily = family;
// //}
//#endif
internal static XFontFamily CreateFromName_not_used(string name, bool createPlatformFamily)
{
XFontFamily fontFamily = new XFontFamily(name);
if (createPlatformFamily)
{
//#if GDI
// //fontFamily._gdiFamily = new System.Drawing.FontFamily(name);
//#endif
//#if WPF
// //fontFamily._wpfFamily = new System.Windows.Media.FontFamily(name);
//#endif
}
return(fontFamily);
}
/// <summary>
/// Returns an array that contains all the FontFamily objects available for the specified
/// graphics context.
/// </summary>
public static XFontFamily[] GetFamilies(XGraphics graphics)
{
XFontFamily[] result;
#if GDI
System.Drawing.FontFamily[] families = null;
families = System.Drawing.FontFamily.GetFamilies(graphics.gfx);
int count = families.Length;
result = new XFontFamily[count];
for (int idx = 0; idx < count; idx++)
{
result[idx] = new XFontFamily(families[idx]);
}
#endif
#if WPF
// TODOWPF: not very important
result = null;
#endif
return(result);
}
/// <summary>
/// Determines whether the style is available as a glyph type face in the specified font family, i.e. the specified style is not simulated.
/// </summary>
public static bool IsStyleAvailable(XFontFamily family, XGdiFontStyle style)
{
style &= XGdiFontStyle.BoldItalic;
#if !SILVERLIGHT
// TODOWPF: check for correctness
// FontDescriptor descriptor = FontDescriptorCache.GetOrCreateDescriptor(family.Name, style);
//XFontMetrics metrics = descriptor.FontMetrics;
// style &= XFontStyle.Regular | XFontStyle.Bold | XFontStyle.Italic | XFontStyle.BoldItalic; // same as XFontStyle.BoldItalic
List <WpfTypeface> typefaces = new List <WpfTypeface>(family.WpfFamily.GetTypefaces());
foreach (WpfTypeface typeface in typefaces)
{
bool bold = typeface.Weight == FontWeights.Bold;
bool italic = typeface.Style == FontStyles.Italic;
switch (style)
{
case XGdiFontStyle.Regular:
if (!bold && !italic)
{
return(true);
}
break;
case XGdiFontStyle.Bold:
if (bold && !italic)
{
return(true);
}
break;
case XGdiFontStyle.Italic:
if (!bold && italic)
{
return(true);
}
break;
case XGdiFontStyle.BoldItalic:
if (bold && italic)
{
return(true);
}
break;
}
////// typeface.sty
////// bool available = false;
////// GlyphTypeface glyphTypeface;
////// if (typeface.TryGetGlyphTypeface(out glyphTypeface))
////// {
//////#if DEBUG_
////// glyphTypeface.GetType();
//////#endif
////// available = true;
////// }
////// if (available)
////// return true;
}
return(false);
#else
return(true); // AGHACK
#endif
}
//public XFontFamily(GdiFontFamily gdiFontFamily)
//{
// FamilyInternal = FontFamilyInternal.GetOrCreateFromGdi(gdiFontFamily);
//}
#endif
#if WPF
//public XFontFamily(WpfFontFamily wpfFontFamily)
//{
// FamilyInternal = FontFamilyInternal.GetOrCreateFromWpf(wpfFontFamily);
// //// HACK
// //int idxHash = _name.LastIndexOf('#');
// //if (idxHash > 0)
// // _name = _name.Substring(idxHash + 1);
// //_wpfFamily = family;
//}
#endif
internal static XFontFamily CreateFromName_not_used(string name, bool createPlatformFamily)
{
XFontFamily fontFamily = new XFontFamily(name);
if (createPlatformFamily)
{
#if GDI
//fontFamily._gdiFamily = new System.Drawing.FontFamily(name);
#endif
#if WPF
//fontFamily._wpfFamily = new System.Windows.Media.FontFamily(name);
#endif
}
return fontFamily;
}
/// <summary>
/// Gets the FontDescriptor identified by the specified FontSelector. If no such objects
/// exists, a new FontDescriptor is created and added to the stock.
/// </summary>
public FontDescriptor CreateDescriptor(XFontFamily family, XFontStyle style)
{
if (family == null)
throw new ArgumentNullException("family");
FontSelector selector = new FontSelector(family, style);
FontDescriptor descriptor;
if (!this.table.TryGetValue(selector, out descriptor))
{
lock (typeof(FontDescriptorStock))
{
// may be created by other thread meanwhile
if (!this.table.TryGetValue(selector, out descriptor))
{
XFont font = new XFont(family.Name, 10, style);
descriptor = new OpenTypeDescriptor(font);
if (this.table.ContainsKey(selector))
GetType();
else
this.table.Add(selector, descriptor);
}
}
}
return descriptor;
}
public static int GetWpfValue(XFontFamily family, XFontStyle style, GWV value)
{
FontDescriptor descriptor = FontDescriptorStock.Global.CreateDescriptor(family, style);
XFontMetrics metrics = descriptor.FontMetrics;
switch (value)
{
case GWV.GetCellAscent:
return (int)metrics.Ascent;
case GWV.GetCellDescent:
return (int)Math.Abs(metrics.Descent);
case GWV.GetEmHeight:
return (int)metrics.CapHeight;
case GWV.GetLineSpacing:
return (int)(metrics.Ascent + Math.Abs(metrics.Descent) + metrics.Leading);
case GWV.IsStyleAvailable:
// TODOWPF:
System.Collections.Generic.List<Typeface> typefaces = new System.Collections.Generic.List<Typeface>(family.wpfFamily.GetTypefaces());
foreach (Typeface typeface in typefaces)
{
Debugger.Break();
//typeface.Style = FontStyles.
}
// TODOWPF
return 1;
}
return 0;
}
public XTypeface_not_yet_used(XFontFamily family, XFontStyle style)
{
_family = family;
_style = style;
}
// ----- AddString ----------------------------------------------------------------------------
#if GDI
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, System.Drawing.Point origin, XStringFormat format)
{
//this.gdipPath.AddString(s, family.gdiFamily, (int)style, (float)emSize, origin, format.RealizeGdiStringFormat());
// TODOWPF
AddString(s, family, style, emSize, origin, format);
}
public FontSelector(XFontFamily family, XFontStyle style)
{
this.name = family.Name;
this.style = style;
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, SysPoint origin, XStringFormat format)
{
AddString(s, family, style, emSize, new XPoint(origin), format);
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XPoint origin, XStringFormat format)
{
try
{
#if GDI
// TODOWPF
this.gdipPath.AddString(s, family.gdiFamily, (int)style, (float)emSize, origin.ToPointF(), format.RealizeGdiStringFormat());
#endif
#if WPF
Typeface typeface = FontHelper.CreateTypeface(family, style);
FormattedText ft = new FormattedText(s, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, emSize,
System.Windows.Media.Brushes.Black);
Geometry geo = ft.BuildGeometry(origin);
this.pathGeometry.AddGeometry(geo);
#endif
}
catch { }
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, RectangleF layoutRect, XStringFormat format)
{
// TODOWPF
this.gdipPath.AddString(s, family.gdiFamily, (int)style, (float)emSize, layoutRect, format.RealizeGdiStringFormat());
}
public static XGlyphTypeface GetOrCreateFrom(string familyName, FontResolvingOptions fontResolvingOptions)
{
// Check cache for requested type face.
string typefaceKey = ComputeKey(familyName, fontResolvingOptions);
XGlyphTypeface glyphTypeface;
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 || 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;
PlatformFontResolverInfo platformFontResolverInfo = fontResolverInfo as PlatformFontResolverInfo;
if (platformFontResolverInfo != null)
{
#if CORE || GDI
// $TODO THHO Lock???
// 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
{
// Create new and exclusively used font family for custom font resolver retrieved font source.
fontFamily = XFontFamily.CreateSolitary(fontResolverInfo.FaceName);
}
// We have a valid font resolver info. That means we also have an XFontSource object loaded in the cache.
////XFontSource fontSource = FontFactory.GetFontSourceByTypefaceKey(fontResolverInfo.FaceName);
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, gdiFont);
#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);
return(glyphTypeface);
}
/// <summary>
/// Determines whether the style is available as a glyph type face in the specified font family, i.e. the specified style is not simulated.
/// </summary>
public static bool IsStyleAvailable(XFontFamily family, XFontStyle style)
{
#if !SILVERLIGHT
// TODOWPF: check for correctness
FontDescriptor descriptor = FontDescriptorStock.Global.CreateDescriptor(family, style);
XFontMetrics metrics = descriptor.FontMetrics;
style &= XFontStyle.Regular | XFontStyle.Bold | XFontStyle.Italic | XFontStyle.BoldItalic; // same as XFontStyle.BoldItalic
List<Typeface> typefaces = new List<Typeface>(family.wpfFamily.GetTypefaces());
foreach (Typeface typeface in typefaces)
{
bool available = false;
GlyphTypeface glyphTypeface;
if (typeface.TryGetGlyphTypeface(out glyphTypeface))
{
#if DEBUG
glyphTypeface.GetType();
#endif
available = true;
}
#if DEBUG_ //
int weightClass = typeface.Weight.ToOpenTypeWeight();
switch (style)
{
case XFontStyle.Regular:
//if (typeface.TryGetGlyphTypeface(.Style == FontStyles.Normal && typeface.Weight== FontWeights.Normal.)
break;
case XFontStyle.Bold:
break;
case XFontStyle.Italic:
break;
case XFontStyle.BoldItalic:
break;
}
#endif
if (available)
return true;
}
return false;
#else
return true; // AGHACK
#endif
}
public static int GetWpfValue(XFontFamily family, XFontStyle style, GWV value)
{
FontDescriptor descriptor = FontDescriptorStock.Global.CreateDescriptor(family, style);
XFontMetrics metrics = descriptor.FontMetrics;
switch (value)
{
case GWV.GetCellAscent:
return metrics.Ascent;
case GWV.GetCellDescent:
return Math.Abs(metrics.Descent);
case GWV.GetEmHeight:
//return (int)metrics.CapHeight;
return metrics.UnitsPerEm;
case GWV.GetLineSpacing:
return metrics.Ascent + Math.Abs(metrics.Descent) + metrics.Leading;
default:
throw new InvalidOperationException("Unknown GWV value.");
// DELETE
//case GWV.IsStyleAvailable:
// style &= XFontStyle.Regular | XFontStyle.Bold | XFontStyle.Italic | XFontStyle.BoldItalic; // same as XFontStyle.BoldItalic
// List<Typeface> s_typefaces = new List<Typeface>(family.wpfFamily.GetTypefaces());
// foreach (Typeface typeface in s_typefaces)
// {
// }
// Debugger.Break();
////typeface.Style = FontStyles.
}
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, PointF origin, XStringFormat format)
{
AddString(s, family, style, emSize, new XRect(origin.X, origin.Y, 0, 0), format);
}
/// <summary>
/// Gets the FontDescriptor identified by the specified FontSelector. If no such objects
/// exists, a new FontDescriptor is created and added to the stock.
/// </summary>
public FontDescriptor CreateDescriptor(XFontFamily family, XFontStyle style)
{
if (family == null)
throw new ArgumentNullException("family");
FontSelector selector = new FontSelector(family, style);
FontDescriptor descriptor = this.table[selector] as FontDescriptor;
if (descriptor == null)
{
lock (typeof(FontDescriptorStock))
{
// may be created by other thread meanwhile
descriptor = this.table[selector] as FontDescriptor;
if (descriptor == null)
{
XFont font = new XFont(family.Name, 10, style);
descriptor = new TrueTypeDescriptor(font, font.privateFontCollection);
if (this.table.ContainsKey(selector))
GetType();
else
this.table.Add(selector, descriptor);
}
}
}
return descriptor;
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XPoint origin,
XStringFormat format)
{
try
{
#if CORE
DiagnosticsHelper.HandleNotImplemented("XGraphicsPath.AddString");
#endif
#if GDI
if (family.GdiFamily == null)
throw new NotFiniteNumberException(PSSR.NotImplementedForFontsRetrievedWithFontResolver(family.Name));
PointF p = origin.ToPointF();
p.Y += SimulateBaselineOffset(family, style, emSize, format);
try
{
Lock.EnterGdiPlus();
_gdipPath.AddString(s, family.GdiFamily, (int)style, (float)emSize, p, format.RealizeGdiStringFormat());
}
finally { Lock.ExitGdiPlus(); }
#endif
#if WPF
if (family.WpfFamily == null)
throw new NotFiniteNumberException(PSSR.NotImplementedForFontsRetrievedWithFontResolver(family.Name));
#if !SILVERLIGHT
XFont font = new XFont(family.Name, emSize, style);
double x = origin.X;
double y = origin.Y;
double lineSpace = font.GetHeight();
double cyAscent = lineSpace * font.CellAscent / font.CellSpace;
double cyDescent = lineSpace * font.CellDescent / font.CellSpace;
Typeface typeface = FontHelper.CreateTypeface(family.WpfFamily, style);
FormattedText formattedText = FontHelper.CreateFormattedText(s, typeface, emSize, WpfBrushes.Black);
switch (format.Alignment)
{
case XStringAlignment.Near:
// nothing to do, this is the default
//formattedText.TextAlignment = TextAlignment.Left;
break;
case XStringAlignment.Center:
formattedText.TextAlignment = TextAlignment.Center;
break;
case XStringAlignment.Far:
formattedText.TextAlignment = TextAlignment.Right;
break;
}
switch (format.LineAlignment)
{
case XLineAlignment.Near:
//y += cyAscent;
break;
case XLineAlignment.Center:
// TODO use CapHeight. PDFlib also uses 3/4 of ascent
y += -lineSpace / 2; //-formattedText.Baseline + (cyAscent * 2 / 4);
break;
case XLineAlignment.Far:
y += -formattedText.Baseline - cyDescent;
break;
case XLineAlignment.BaseLine:
y -= formattedText.Baseline;
break;
}
Geometry geo = formattedText.BuildGeometry(new XPoint(x, y));
_pathGeometry.AddGeometry(geo);
#else
// AG-HACK
throw new InvalidOperationException("Silverlight cannot create geometry of glyphs.");
// TODO: Get the outline directly from the font.
#endif
#endif
}
catch
{
throw;
}
}
/// <summary>
/// Returns an array that contains all the FontFamily objects available for the specified
/// graphics context.
/// </summary>
public static XFontFamily[] GetFamilies(XGraphics graphics)
{
XFontFamily[] result;
#if GDI
System.Drawing.FontFamily[] families = null;
families = System.Drawing.FontFamily.GetFamilies(graphics.gfx);
int count = families.Length;
result = new XFontFamily[count];
for (int idx = 0; idx < count; idx++)
result[idx] = new XFontFamily(families[idx]);
#endif
#if WPF
result = null;
#endif
return result;
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, PointF origin, XStringFormat format)
{
//this.gdipPath.AddString(s, family.gdiFamily, (int)style, (float)emSize, origin, format.RealizeGdiStringFormat());
// TODOWPF
AddString(s, family, style, emSize, new XRect(origin.X, origin.Y, 0, 0), format);
}
public FontSelector(XFontFamily family, XFontStyle style)
{
throw new NotImplementedException("PdfFontSelector(XFontFamily family, XFontStyle style)");
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, System.Windows.Point origin, XStringFormat format)
{
AddString(s, family, style, emSize, new XPoint(origin), format);
//// TODOWPF
//Typeface typeface = FontHelper.CreateTypeface(family, style);
//FormattedText formattedText = new FormattedText(s, null, FlowDirection.LeftToRight, typeface, emSize, System.Windows.Media.Brushes.Black);
//Geometry geo = formattedText.BuildGeometry(origin);
//this.pathGeometry.AddGeometry(geo);
}
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);
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, Rect rect, XStringFormat format)
{
//gdip Path.AddString(s, family.gdiFamily, (int)style, (float)emSize, layoutRect, format.RealizeGdiStringFormat());
AddString(s, family, style, emSize, new XRect(rect), format);
}
/// <summary>
/// Determines whether the style is available as a glyph type face in the specified font family, i.e. the specified style is not simulated.
/// </summary>
public static bool IsStyleAvailable(XFontFamily family, XGdiFontStyle style)
{
style &= XGdiFontStyle.BoldItalic;
#if !SILVERLIGHT
// TODOWPF: check for correctness
// FontDescriptor descriptor = FontDescriptorCache.GetOrCreateDescriptor(family.Name, style);
//XFontMetrics metrics = descriptor.FontMetrics;
// style &= XFontStyle.Regular | XFontStyle.Bold | XFontStyle.Italic | XFontStyle.BoldItalic; // same as XFontStyle.BoldItalic
List<WpfTypeface> typefaces = new List<WpfTypeface>(family.WpfFamily.GetTypefaces());
foreach (WpfTypeface typeface in typefaces)
{
bool bold = typeface.Weight == FontWeights.Bold;
bool italic = typeface.Style == FontStyles.Italic;
switch (style)
{
case XGdiFontStyle.Regular:
if (!bold && !italic)
return true;
break;
case XGdiFontStyle.Bold:
if (bold && !italic)
return true;
break;
case XGdiFontStyle.Italic:
if (!bold && italic)
return true;
break;
case XGdiFontStyle.BoldItalic:
if (bold && italic)
return true;
break;
}
////// typeface.sty
////// bool available = false;
////// GlyphTypeface glyphTypeface;
////// if (typeface.TryGetGlyphTypeface(out glyphTypeface))
////// {
//////#if DEBUG_
////// glyphTypeface.GetType();
//////#endif
////// available = true;
////// }
////// if (available)
////// return true;
}
return false;
#else
return true; // AGHACK
#endif
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XRect layoutRect,
XStringFormat format)
{
if (s == null)
throw new ArgumentNullException("s");
if (family == null)
throw new ArgumentNullException("family");
if (format == null)
format = XStringFormats.Default;
if (format.LineAlignment == XLineAlignment.BaseLine && layoutRect.Height != 0)
throw new InvalidOperationException(
"DrawString: With XLineAlignment.BaseLine the height of the layout rectangle must be 0.");
if (s.Length == 0)
return;
XFont font = new XFont(family.Name, emSize, style);
#if CORE
DiagnosticsHelper.HandleNotImplemented("XGraphicsPath.AddString");
#endif
#if (GDI || CORE_) && !WPF
//Gfx.DrawString(text, font.Realize_GdiFont(), brush.RealizeGdiBrush(), rect,
// format != null ? format.RealizeGdiStringFormat() : null);
if (family.GdiFamily == null)
throw new NotFiniteNumberException(PSSR.NotImplementedForFontsRetrievedWithFontResolver(family.Name));
RectangleF rect = layoutRect.ToRectangleF();
rect.Offset(new PointF(0, SimulateBaselineOffset(family, style, emSize, format)));
try
{
Lock.EnterGdiPlus();
_gdipPath.AddString(s, family.GdiFamily, (int)style, (float)emSize, rect, format.RealizeGdiStringFormat());
}
finally { Lock.ExitGdiPlus(); }
#endif
#if WPF && !GDI
if (family.WpfFamily == null)
throw new NotFiniteNumberException(PSSR.NotImplementedForFontsRetrievedWithFontResolver(family.Name));
#if !SILVERLIGHT
// Just a first sketch, but currently we do not need it and there is enough to do...
double x = layoutRect.X;
double y = layoutRect.Y;
//double lineSpace = font.GetHeight(this);
//double cyAscent = lineSpace * font.cellAscent / font.cellSpace;
//double cyDescent = lineSpace * font.cellDescent / font.cellSpace;
//double cyAscent = family.GetCellAscent(style) * family.GetLineSpacing(style) / family.getl; //fontlineSpace * font.cellAscent / font.cellSpace;
//double cyDescent =family.GetCellDescent(style); // lineSpace * font.cellDescent / font.cellSpace;
double lineSpace = font.GetHeight();
double cyAscent = lineSpace * font.CellAscent / font.CellSpace;
double cyDescent = lineSpace * font.CellDescent / font.CellSpace;
bool bold = (style & XFontStyle.Bold) != 0;
bool italic = (style & XFontStyle.Italic) != 0;
bool strikeout = (style & XFontStyle.Strikeout) != 0;
bool underline = (style & XFontStyle.Underline) != 0;
Typeface typeface = FontHelper.CreateTypeface(family.WpfFamily, style);
//FormattedText formattedText = new FormattedText(s, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, emSize, WpfBrushes.Black);
FormattedText formattedText = FontHelper.CreateFormattedText(s, typeface, emSize, WpfBrushes.Black);
switch (format.Alignment)
{
case XStringAlignment.Near:
// nothing to do, this is the default
//formattedText.TextAlignment = TextAlignment.Left;
break;
case XStringAlignment.Center:
x += layoutRect.Width / 2;
formattedText.TextAlignment = TextAlignment.Center;
break;
case XStringAlignment.Far:
x += layoutRect.Width;
formattedText.TextAlignment = TextAlignment.Right;
break;
}
//if (PageDirection == XPageDirection.Downwards)
//{
switch (format.LineAlignment)
{
case XLineAlignment.Near:
//y += cyAscent;
break;
case XLineAlignment.Center:
// TO/DO use CapHeight. PDFlib also uses 3/4 of ascent
//y += -formattedText.Baseline + (cyAscent * 2 / 4) + layoutRect.Height / 2;
// GDI seems to make it this simple:
// TODO: Check WPF's vertical alignment and make all implementations fit. $MaOs
y += layoutRect.Height / 2 - lineSpace / 2;
break;
case XLineAlignment.Far:
y += -formattedText.Baseline - cyDescent + layoutRect.Height;
break;
case XLineAlignment.BaseLine:
y -= formattedText.Baseline;
break;
}
//}
//else
//{
// // TODOWPF
// switch (format.LineAlignment)
// {
// case XLineAlignment.Near:
// //y += cyDescent;
// break;
// case XLineAlignment.Center:
// // TODO use CapHeight. PDFlib also uses 3/4 of ascent
// //y += -(cyAscent * 3 / 4) / 2 + rect.Height / 2;
// break;
// case XLineAlignment.Far:
// //y += -cyAscent + rect.Height;
// break;
// case XLineAlignment.BaseLine:
// // nothing to do
// break;
// }
//}
//if (bold && !descriptor.IsBoldFace)
//{
// // TODO: emulate bold by thicker outline
//}
//if (italic && !descriptor.IsItalicFace)
//{
// // TODO: emulate italic by shearing transformation
//}
if (underline)
{
//double underlinePosition = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlinePosition / font.cellSpace;
//double underlineThickness = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlineThickness / font.cellSpace;
//DrawRectangle(null, brush, x, y - underlinePosition, width, underlineThickness);
}
if (strikeout)
{
//double strikeoutPosition = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutPosition / font.cellSpace;
//double strikeoutSize = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutSize / font.cellSpace;
//DrawRectangle(null, brush, x, y - strikeoutPosition - strikeoutSize, width, strikeoutSize);
}
//dc.DrawText(formattedText, layoutRectangle.Location.ToPoint());
//dc.DrawText(formattedText, new SysPoint(x, y));
Geometry geo = formattedText.BuildGeometry(new Point(x, y));
_pathGeometry.AddGeometry(geo);
#else
// AG-HACK
throw new InvalidOperationException("Silverlight cannot create geometry of glyphs.");
// TODO: no, yagni
#endif
#endif
}
/// <summary>
/// Init.
/// </summary>
public FontFamilyAdapter(XFontFamily fontFamily)
{
_fontFamily = fontFamily;
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XPoint origin, XStringFormat format)
{
this.gdipPath.AddString(s, family.family, (int)style, (float)emSize, origin.ToPointF(), format.RealizeGdiStringFormat());
}
public XTypeface_not_yet_used(XFontFamily family, XFontStyle style)
{
_family = family;
_style = style;
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XRect layoutRect, XStringFormat format)
{
this.gdipPath.AddString(s, family.family, (int)style, (float)emSize, layoutRect.ToRectangleF(), format.RealizeGdiStringFormat());
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, RectangleF layoutRect, XStringFormat format)
{
if (family.GdiFamily == null)
throw new NotFiniteNumberException(PSSR.NotImplementedForFontsRetrievedWithFontResolver(family.Name));
RectangleF rect = new RectangleF(layoutRect.X, layoutRect.Y, layoutRect.Width, layoutRect.Height);
rect.Offset(new PointF(0, SimulateBaselineOffset(family, style, emSize, format)));
try
{
Lock.EnterGdiPlus();
_gdipPath.AddString(s, family.GdiFamily, (int)style, (float)emSize, layoutRect, format.RealizeGdiStringFormat());
}
finally { Lock.ExitGdiPlus(); }
}
/// <summary>
/// Adds a text string to this path.
/// </summary>
public void AddString(string s, XFontFamily family, XFontStyle style, double emSize, XRect layoutRect, XStringFormat format)
{
if (s == null)
throw new ArgumentNullException("s");
if (family == null)
throw new ArgumentNullException("family");
if (format.LineAlignment == XLineAlignment.BaseLine && layoutRect.Height != 0)
throw new InvalidOperationException("DrawString: With XLineAlignment.BaseLine the height of the layout rectangle must be 0.");
if (s.Length == 0)
return;
if (format == null)
format = XStringFormats.Default;
XFont font = new XFont(family.Name, emSize, style);
#if GDI && !WPF
RectangleF rc = layoutRect.ToRectangleF();
if (format.LineAlignment == XLineAlignment.BaseLine)
{
double lineSpace = font.GetHeight();
int cellSpace = font.FontFamily.GetLineSpacing(font.Style);
int cellAscent = font.FontFamily.GetCellAscent(font.Style);
int cellDescent = font.FontFamily.GetCellDescent(font.Style);
double cyAscent = lineSpace * cellAscent / cellSpace;
cyAscent = lineSpace * font.cellAscent / font.cellSpace;
rc.Offset(0, (float)-cyAscent);
}
//this.gfx.DrawString(text, font.RealizeGdiFont(), brush.RealizeGdiBrush(), rect,
// format != null ? format.RealizeGdiStringFormat() : null);
this.gdipPath.AddString(s, family.gdiFamily, (int)style, (float)emSize, rc, format.RealizeGdiStringFormat());
#endif
#if WPF && !GDI
// Just a first sketch, but currently we do not need it and there is enough to do...
double x = layoutRect.X;
double y = layoutRect.Y;
//double lineSpace = font.GetHeight(this);
//double cyAscent = lineSpace * font.cellAscent / font.cellSpace;
//double cyDescent = lineSpace * font.cellDescent / font.cellSpace;
//double cyAscent = family.GetCellAscent(style) * family.GetLineSpacing(style) / family.getl; //fontlineSpace * font.cellAscent / font.cellSpace;
//double cyDescent =family.GetCellDescent(style); // lineSpace * font.cellDescent / font.cellSpace;
double lineSpace = font.GetHeight();
double cyAscent = lineSpace * font.cellAscent / font.cellSpace;
double cyDescent = lineSpace * font.cellDescent / font.cellSpace;
bool bold = (style & XFontStyle.Bold) != 0;
bool italic = (style & XFontStyle.Italic) != 0;
bool strikeout = (style & XFontStyle.Strikeout) != 0;
bool underline = (style & XFontStyle.Underline) != 0;
Typeface typeface = FontHelper.CreateTypeface(family, style);
FormattedText formattedText = new FormattedText(s, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, emSize,
System.Windows.Media.Brushes.Black);
switch (format.Alignment)
{
case XStringAlignment.Near:
// nothing to do, this is the default
//formattedText.TextAlignment = TextAlignment.Left;
break;
case XStringAlignment.Center:
x += layoutRect.Width / 2;
formattedText.TextAlignment = TextAlignment.Center;
break;
case XStringAlignment.Far:
x += layoutRect.Width;
formattedText.TextAlignment = TextAlignment.Right;
break;
}
//if (PageDirection == XPageDirection.Downwards)
//{
switch (format.LineAlignment)
{
case XLineAlignment.Near:
//y += cyAscent;
break;
case XLineAlignment.Center:
// TODO use CapHeight. PDFlib also uses 3/4 of ascent
y += -formattedText.Baseline + (cyAscent * 2 / 4) + layoutRect.Height / 2;
break;
case XLineAlignment.Far:
y += -formattedText.Baseline - cyDescent + layoutRect.Height;
break;
case XLineAlignment.BaseLine:
y -= formattedText.Baseline;
break;
}
//}
//else
//{
// // TODOWPF
// switch (format.LineAlignment)
// {
// case XLineAlignment.Near:
// //y += cyDescent;
// break;
// case XLineAlignment.Center:
// // TODO use CapHeight. PDFlib also uses 3/4 of ascent
// //y += -(cyAscent * 3 / 4) / 2 + rect.Height / 2;
// break;
// case XLineAlignment.Far:
// //y += -cyAscent + rect.Height;
// break;
// case XLineAlignment.BaseLine:
// // nothing to do
// break;
// }
//}
//if (bold && !descriptor.IsBoldFace)
//{
// // TODO: emulate bold by thicker outline
//}
//if (italic && !descriptor.IsBoldFace)
//{
// // TODO: emulate italic by shearing transformation
//}
if (underline)
{
//double underlinePosition = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlinePosition / font.cellSpace;
//double underlineThickness = lineSpace * realizedFont.FontDescriptor.descriptor.UnderlineThickness / font.cellSpace;
//DrawRectangle(null, brush, x, y - underlinePosition, width, underlineThickness);
}
if (strikeout)
{
//double strikeoutPosition = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutPosition / font.cellSpace;
//double strikeoutSize = lineSpace * realizedFont.FontDescriptor.descriptor.StrikeoutSize / font.cellSpace;
//DrawRectangle(null, brush, x, y - strikeoutPosition - strikeoutSize, width, strikeoutSize);
}
//this.dc.DrawText(formattedText, layoutRectangle.Location.ToPoint());
//this.dc.DrawText(formattedText, new System.Windows.Point(x, y));
Geometry geo = formattedText.BuildGeometry(new Point(x, y));
this.pathGeometry.AddGeometry(geo);
#endif
}
/// <summary>
/// Calculates the offset for BaseLine positioning simulation:
/// In GDI we have only Near, Center and Far as LineAlignment and no BaseLine. For XLineAlignment.BaseLine StringAlignment.Near is returned.
/// We now return the negative drawed ascender height.
/// This has to be added to the LayoutRect/Origin before each _gdipPath.AddString().
/// </summary>
/// <param name="family"></param>
/// <param name="style"></param>
/// <param name="emSize"></param>
/// <param name="format"></param>
/// <returns></returns>
private float SimulateBaselineOffset(XFontFamily family, XFontStyle style, double emSize, XStringFormat format)
{
XFont font = new XFont(family.Name, emSize, style);
if (format.LineAlignment == XLineAlignment.BaseLine)
{
double lineSpace = font.GetHeight();
int cellSpace = font.FontFamily.GetLineSpacing(font.Style);
int cellAscent = font.FontFamily.GetCellAscent(font.Style);
int cellDescent = font.FontFamily.GetCellDescent(font.Style);
double cyAscent = lineSpace * cellAscent / cellSpace;
cyAscent = lineSpace * font.CellAscent / font.CellSpace;
return (float)-cyAscent;
}
return 0;
}
/// <summary>
/// Returns an array that contains all the FontFamily objects available for the specified
/// graphics context.
/// </summary>
public static XFontFamily[] GetFamilies(XGraphics graphics)
{
FontFamily[] families = FontFamily.GetFamilies(graphics.gfx);
int count = families.Length;
XFontFamily[] result = new XFontFamily[count];
for (int idx = 0; idx < count; idx++)
result[idx] = new XFontFamily(families[idx]);
return result;
}
