internal Size MeasureText(string text, FontFamily fontFamily, FontStyle fontStyle,
FontWeight fontWeight,
FontStretch fontStretch, double fontSize)
{
var typeface = new Typeface(fontFamily, fontStyle, fontWeight, fontStretch);
GlyphTypeface glyphTypeface;
if (!typeface.TryGetGlyphTypeface(out glyphTypeface))
{
return MeasureTextSize(text, fontFamily, fontStyle, fontWeight, fontStretch, fontSize);
}
double totalWidth = 0;
double height = 0;
foreach (var t in text)
{
var glyphIndex = glyphTypeface.CharacterToGlyphMap[t];
var width = glyphTypeface.AdvanceWidths[glyphIndex] * fontSize;
var glyphHeight = glyphTypeface.AdvanceHeights[glyphIndex] * fontSize;
if (glyphHeight > height)
{
height = glyphHeight;
}
totalWidth += width;
}
return new Size(totalWidth, height);
}
/// <summary>
/// 计算文本显示宽、高
/// </summary>
public static MeasureSize MeasureText(string text,
System.Windows.Media.FontFamily fontFamily,
System.Windows.FontStyle fontStyle,
System.Windows.FontWeight fontWeight,
System.Windows.FontStretch fontStretch,
double fontSize)
{
System.Windows.Media.Typeface typeface = new System.Windows.Media.Typeface(fontFamily, fontStyle, fontWeight, fontStretch);
System.Windows.Media.GlyphTypeface glyphTypeface;
if (!typeface.TryGetGlyphTypeface(out glyphTypeface))
{
return(MeasureTextSize(text, fontFamily, fontStyle, fontWeight, fontStretch, fontSize));
}
double totalWidth = 0;
double height = 0;
for (int n = 0; n < text.Length; n++)
{
ushort glyphIndex = glyphTypeface.CharacterToGlyphMap[text[n]];
double width = glyphTypeface.AdvanceWidths[glyphIndex] * fontSize;
double glyphHeight = glyphTypeface.AdvanceHeights[glyphIndex] * fontSize;
if (glyphHeight > height)
{
height = glyphHeight;
}
totalWidth += width;
}
return(new MeasureSize(totalWidth, height));
}
public object SetStretch(object handle, FontStretch stretch)
{
var font = (FontData)handle;
font = font.Clone ();
font.Stretch = DataConverter.ToWpfFontStretch (stretch);
return font;
}
public GraphicsText(
string text,
double left,
double top,
double right,
double bottom,
Color objectColor,
double textFontSize,
string textFontFamilyName,
FontStyle textFontStyle,
FontWeight textFontWeight,
FontStretch textFontStretch,
double actualScale)
{
this.text = text;
this.rectangleLeft = left;
this.rectangleTop = top;
this.rectangleRight = right;
this.rectangleBottom = bottom;
this.graphicsObjectColor = objectColor;
this.textFontSize = textFontSize;
this.textFontFamilyName = textFontFamilyName;
this.textFontStyle = textFontStyle;
this.textFontWeight = textFontWeight;
this.textFontStretch = textFontStretch;
this.graphicsActualScale = actualScale;
graphicsLineWidth = 2; // used for drawing bounding rectangle when selected
//RefreshDrawng();
}
// copied and adapted from presenter::GetLabelWidthAndHeight(...)
private double TestHelper_GetLabelWidthAndHeight(string text)
{
var defaultFontFamily = new System.Windows.Media.FontFamily();
var defaultFontStyle = new System.Windows.FontStyle();
var defaultFontStretch = new System.Windows.FontStretch();
var defaultFontSizeEm = 12.0;
var typeFace = new Typeface(defaultFontFamily,
defaultFontStyle,
System.Windows.FontWeights.Normal,
defaultFontStretch);
var formattedText = new FormattedText(
text,
System.Globalization.CultureInfo.CurrentUICulture,
FlowDirection.LeftToRight,
typeFace,
defaultFontSizeEm,
Brushes.Black);
var Padding = 15; // empirical
var width = formattedText.Width + Padding;
return(width);
}
public WpfFontFamilyInfo(FontFamily family, FontWeight weight,
FontStyle style, FontStretch stretch)
{
_family = family;
_weight = weight;
_style = style;
_stretch = stretch;
}
public FontHandler(swm.FontFamily family, double size, sw.FontStyle style, sw.FontWeight weight, sw.FontStretch stretch)
{
Family = new FontFamily(new FontFamilyHandler(family));
Size = size;
WpfFontStyle = style;
WpfFontStretch = stretch;
WpfFontWeight = weight;
}
public static ImageSource ToFontAwesomeIcon(this string text, Brush foreBrush, FontStyle fontStyle, FontWeight fontWeight, FontStretch fontStretch)
{
var fontFamily = new FontFamily("/GitWorkItems;component/Resources/#FontAwesome");
if (fontFamily != null && !String.IsNullOrEmpty(text))
{
//premier essai, on charge la police directement
Typeface typeface = new Typeface(fontFamily, fontStyle, fontWeight, fontStretch);
GlyphTypeface glyphTypeface;
if (!typeface.TryGetGlyphTypeface(out glyphTypeface))
{
//si ça ne fonctionne pas (et pour le mode design dans certains cas) on ajoute l'uri pack://application
typeface = new Typeface(new FontFamily(new Uri("pack://application:,,,"), fontFamily.Source), fontStyle, fontWeight, fontStretch);
if (!typeface.TryGetGlyphTypeface(out glyphTypeface))
throw new InvalidOperationException("No glyphtypeface found");
}
//détermination des indices/tailles des caractères dans la police
ushort[] glyphIndexes = new ushort[text.Length];
double[] advanceWidths = new double[text.Length];
for (int n = 0; n < text.Length; n++)
{
ushort glyphIndex;
try
{
glyphIndex = glyphTypeface.CharacterToGlyphMap[text[n]];
}
catch (Exception)
{
glyphIndex = 42;
}
glyphIndexes[n] = glyphIndex;
double width = glyphTypeface.AdvanceWidths[glyphIndex] * 1.0;
advanceWidths[n] = width;
}
try
{
//création de l'objet DrawingImage (compatible avec Imagesource) à partir d'un glyphrun
GlyphRun gr = new GlyphRun(glyphTypeface, 0, false, 1.0, glyphIndexes,
new Point(0, 0), advanceWidths, null, null, null, null, null, null);
GlyphRunDrawing glyphRunDrawing = new GlyphRunDrawing(foreBrush, gr);
return new DrawingImage(glyphRunDrawing);
}
catch (Exception ex)
{
// ReSharper disable LocalizableElement
Console.WriteLine("Error in generating Glyphrun : " + ex.Message);
// ReSharper restore LocalizableElement
}
}
return null;
}
public Font(FontFamily family, double size, FontStyle style, FontWeight weight, FontStretch stretch)
: this()
{
this.Family = family;
this.Size = size;
this.Style = style;
this.Weight = weight;
this.Stretch = stretch;
}
public static Size GetScreenSize(this string text, FontFamily fontFamily, double fontSize, FontStyle fontStyle, FontWeight fontWeight, FontStretch fontStretch) {
fontFamily = fontFamily ?? new TextBlock().FontFamily;
fontSize = fontSize > 0 ? fontSize : new TextBlock().FontSize;
var typeface = new Typeface(fontFamily, fontStyle, fontWeight, fontStretch);
var ft = new FormattedText(text ?? string.Empty, CultureInfo.CurrentCulture, FlowDirection.LeftToRight, typeface, fontSize, Brushes.Black);
return new Size(ft.Width, ft.Height);
}
public override object Create(string fontName, double size, FontStyle style, FontWeight weight, FontStretch stretch)
{
size = GetPointsFromDeviceUnits (size);
return new FontData (new FontFamily (fontName), size) {
Style = style.ToWpfFontStyle (),
Weight = weight.ToWpfFontWeight (),
Stretch = stretch.ToWpfFontStretch ()
};
}
public FontInfo(FontFamily fam, double sz, FontStyle style, FontStretch strc, FontWeight weight, SolidColorBrush c)
{
this.Family = fam;
this.Size = sz;
this.Style = style;
this.Stretch = strc;
this.Weight = weight;
this.BrushColor = c;
}
public static Size MeasureText(string text, FontFamily fontFamily, FontStyle fontStyle, FontWeight fontWeight, FontStretch fontStretch, double fontSize)
{
FormattedText ft = new FormattedText(text,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
fontSize,
Brushes.Black);
return new Size(ft.Width, ft.Height);
}
public Font(FontFamily family, double size, FontStretch stretch, FontStyle style, FontWeight weight, Color foreground)
: this()
{
this.Family = family;
this.Size = size;
this.Stretch = stretch;
this.Style = style;
this.Weight = weight;
this.Foreground = foreground;
}
public static void SetSvgFontStretch(this HtmlElement element, System.Windows.FontStretch fontStretch, SvgValueConverter converter)
{
if (fontStretch == System.Windows.FontStretch.Normal)
{
element.ClearHtmlStyleProperty("font-stretch");
}
else
{
element.SetSvgAttribute("font-stretch", converter.ToFontStretchString(fontStretch));
}
}
internal static IDictionary<XmlLanguage, string> ConstructFaceNamesByStyleWeightStretch(
FontStyle style,
FontWeight weight,
FontStretch stretch)
{
string faceName = BuildFaceName(style, weight, stretch);
// Default comparer calls CultureInfo.Equals, which works for our purposes.
Dictionary<XmlLanguage, string> faceNames = new Dictionary<XmlLanguage, string>(1);
faceNames.Add(XmlLanguage.GetLanguage("en-us"), faceName);
return faceNames;
}
private static string BuildFaceName(
FontStyle fontStyle,
FontWeight fontWeight,
FontStretch fontStretch
)
{
string parsedStyleName = null;
string parsedWeightName = null;
string parsedStretchName = null;
string regularFaceName = "Regular";
if (fontWeight != FontWeights.Normal)
parsedWeightName = ((IFormattable)fontWeight).ToString(null, CultureInfo.InvariantCulture);
if (fontStretch != FontStretches.Normal)
parsedStretchName = ((IFormattable)fontStretch).ToString(null, CultureInfo.InvariantCulture);
if (fontStyle != FontStyles.Normal)
parsedStyleName = ((IFormattable)fontStyle).ToString(null, CultureInfo.InvariantCulture);
// Build correct face string.
// Set the initial capacity to be able to hold the word "Regular".
StringBuilder faceNameBuilder = new StringBuilder(7);
if (parsedStretchName != null)
{
faceNameBuilder.Append(parsedStretchName);
}
if (parsedWeightName != null)
{
if (faceNameBuilder.Length > 0)
{
faceNameBuilder.Append(" ");
}
faceNameBuilder.Append(parsedWeightName);
}
if (parsedStyleName != null)
{
if (faceNameBuilder.Length > 0)
{
faceNameBuilder.Append(" ");
}
faceNameBuilder.Append(parsedStyleName);
}
if (faceNameBuilder.Length == 0)
{
faceNameBuilder.Append(regularFaceName);
}
return faceNameBuilder.ToString();
}
internal MatchingStyle(
FontStyle style,
FontWeight weight,
FontStretch stretch
)
{
_vector = new Vector(
(stretch.ToOpenTypeStretch() - FontStretches.Normal.ToOpenTypeStretch()) * FontStretchScale,
style.GetStyleForInternalConstruction() * FontStyleScale,
(weight.ToOpenTypeWeight() - FontWeights.Normal.ToOpenTypeWeight()) / 100.0 * FontWeightScale
);
}
public static SW.FontStretch ToWpfFontStretch(FontStretch value)
{
if (value == FontStretch.UltraCondensed) return SW.FontStretches.UltraCondensed;
if (value == FontStretch.ExtraCondensed) return SW.FontStretches.ExtraCondensed;
if (value == FontStretch.Condensed) return SW.FontStretches.Condensed;
if (value == FontStretch.SemiCondensed) return SW.FontStretches.SemiCondensed;
if (value == FontStretch.SemiExpanded) return SW.FontStretches.SemiExpanded;
if (value == FontStretch.Expanded) return SW.FontStretches.Expanded;
if (value == FontStretch.ExtraExpanded) return SW.FontStretches.ExtraExpanded;
if (value == FontStretch.UltraExpanded) return SW.FontStretches.UltraExpanded;
return SW.FontStretches.Normal;
}
private void AddFont(FontFamily fontFamily, FontStretch fontStretch, string text)
{
var stackPanel = new StackPanel();
stackPanel.Margin = new Thickness(5);
stackPanel.Children.Add(NewTextBlock(fontFamily, FontWeights.Normal, FontStretches.Normal, fontFamily.ToString()));
foreach (var weight in _weights)
{
stackPanel.Children.Add(NewTextBlock(fontFamily, weight, fontStretch, weight + ": " + text));
}
FontList.Children.Add(stackPanel);
}
/// <summary>
/// Construct a typeface
/// </summary>
/// <param name="fontFamily">Font family</param>
/// <param name="style">Font style</param>
/// <param name="weight">Boldness of font</param>
/// <param name="stretch">Width of characters</param>
public Typeface(
FontFamily fontFamily,
FontStyle style,
FontWeight weight,
FontStretch stretch
)
: this(
fontFamily,
style,
weight,
stretch,
FontFamily.FontFamilyGlobalUI
)
{}
private static TextBlock NewTextBlock(FontFamily fontFamily, FontWeight weight, FontStretch fontStretch, string text)
{
var textBlock = new TextBlock
{
HorizontalAlignment = HorizontalAlignment.Left,
VerticalAlignment = VerticalAlignment.Top,
FontSize = PointsToPixels(12),
Text = text,
FontWeight = weight,
FontFamily = fontFamily,
FontStretch = fontStretch
};
return textBlock;
}
/// <summary>
/// Convert FontStretch to string for serialization
/// </summary>
public static string FontStretchToString(FontStretch value)
{
string result;
try
{
result = (string)(new FontStretchConverter().ConvertToString(value));
}
catch (NotSupportedException)
{
result = "";
}
return result;
}
/// <summary>
/// 计算文本显示宽、高
/// </summary>
/// <param name="text">The text.</param>
/// <param name="fontFamily">The font family.</param>
/// <param name="fontStyle">The font style.</param>
/// <param name="fontWeight">The font weight.</param>
/// <param name="fontStretch">The font stretch.</param>
/// <param name="fontSize">Size of the font.</param>
/// <returns></returns>
public static MeasureSize MeasureTextSize(
string text,
System.Windows.Media.FontFamily fontFamily,
System.Windows.FontStyle fontStyle,
System.Windows.FontWeight fontWeight,
System.Windows.FontStretch fontStretch,
double fontSize)
{
System.Windows.Media.FormattedText ft = new System.Windows.Media.FormattedText(text,
System.Globalization.CultureInfo.CurrentCulture,
System.Windows.FlowDirection.LeftToRight,
new System.Windows.Media.Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
fontSize,
System.Windows.Media.Brushes.Black);
return(new MeasureSize(ft.Width, ft.Height));
}
internal CachedTypeface(
FontStyle canonicalStyle,
FontWeight canonicalWeight,
FontStretch canonicalStretch,
IFontFamily firstFontFamily,
ITypefaceMetrics typefaceMetrics,
bool nullFont
)
{
_canonicalStyle = canonicalStyle;
_canonicalWeight = canonicalWeight;
_canonicalStretch = canonicalStretch;
Invariant.Assert(firstFontFamily != null && typefaceMetrics != null);
_firstFontFamily = firstFontFamily;
_typefaceMetrics = typefaceMetrics;
_nullFont = nullFont;
}
/// <summary>
/// Calculates the desired width for the given text.
/// </summary>
/// <param name="text">The text.</param>
/// <param name="fontSize">The used fontsize.</param>
/// <param name="fontFamily">The used font family.</param>
/// <param name="fontWeight">The used font weight.</param>
/// <param name="fontStyle">The used font style.</param>
/// <param name="fontStretch">The used font stretch.</param>
/// <param name="flowDirection">The used flow direction.</param>
/// <param name="foreground">The used foreground brush.</param>
/// <returns>A double representing the desired width for the given text.</returns>
public static double CalculateWidth(this string text, double fontSize, FontFamily fontFamily, FontWeight fontWeight, FontStyle fontStyle, FontStretch fontStretch, FlowDirection flowDirection, Brush foreground)
{
var typeface = new Typeface(fontFamily, fontStyle, fontWeight, fontStretch);
var formattedText = new FormattedText
(
text,
CultureInfo.CurrentCulture,
flowDirection,
typeface,
fontSize,
foreground
)
{
Trimming = TextTrimming.CharacterEllipsis
};
return formattedText.Width;
}
internal TypefaceMap(
FontFamily fontFamily,
FontFamily fallbackFontFamily,
FontStyle canonicalStyle,
FontWeight canonicalWeight,
FontStretch canonicalStretch,
bool nullFont
)
{
Invariant.Assert(fontFamily != null);
_fontFamilies = fallbackFontFamily == null ?
new FontFamily[] { fontFamily }
: new FontFamily[] { fontFamily, fallbackFontFamily };
_canonicalStyle = canonicalStyle;
_canonicalWeight = canonicalWeight;
_canonicalStretch = canonicalStretch;
_nullFont = nullFont;
}
internal string GetSubstringForWidth(string text, double width, FontFamily fontFamily,
FontStyle fontStyle,
FontWeight fontWeight, FontStretch fontStretch,
double fontSize)
{
//Trace.WriteLine(" Path string too long... shortening.");
if (width <= 0)
{
return "";
}
var length = text.Length;
var testString = text;
while (true)
{
var ft = new FormattedText(testString,
CultureInfo.CurrentCulture,
FlowDirection.LeftToRight,
new Typeface(fontFamily, fontStyle, fontWeight, fontStretch),
fontSize,
Brushes.Black);
if (ft.Width <= width) break;
// remove a bit.
length--;
testString = text.Substring(0, length);
}
// Do we need an ellipsis?
if (testString != text)
{
// Strip off a character.
testString = testString.Substring(0, testString.Length - 3);
// Add an ellipsis.
testString += "…";
}
return testString;
}
internal CompositeTypefaceMetrics(
double underlinePosition,
double underlineThickness,
double strikethroughPosition,
double strikethroughThickness,
double capsHeight,
double xHeight,
FontStyle style,
FontWeight weight,
FontStretch stretch
)
{
_underlinePosition = underlinePosition != 0 ? underlinePosition : UnderlineOffsetDefaultInEm;
_underlineThickness = underlineThickness > 0 ? underlineThickness : UnderlineSizeDefaultInEm;
_strikethroughPosition = strikethroughPosition != 0 ? strikethroughPosition : StrikethroughOffsetDefaultInEm;
_strikethroughThickenss = strikethroughThickness > 0 ? strikethroughThickness : StrikethroughSizeDefaultInEm;
_capsHeight = capsHeight > 0 ? capsHeight : CapsHeightDefaultInEm;
_xHeight = xHeight > 0 ? xHeight : XHeightDefaultInEm;
_style = style;
_weight = weight;
_stretch = stretch;
}
public static FontStretch ToXwtFontStretch(SW.FontStretch value)
{
// No, SW.FontStretches is not an enum
if (value == SW.FontStretches.UltraCondensed)
{
return(FontStretch.UltraCondensed);
}
if (value == SW.FontStretches.ExtraCondensed)
{
return(FontStretch.ExtraCondensed);
}
if (value == SW.FontStretches.Condensed)
{
return(FontStretch.Condensed);
}
if (value == SW.FontStretches.SemiCondensed)
{
return(FontStretch.SemiCondensed);
}
if (value == SW.FontStretches.SemiExpanded)
{
return(FontStretch.SemiExpanded);
}
if (value == SW.FontStretches.Expanded)
{
return(FontStretch.Expanded);
}
if (value == SW.FontStretches.ExtraExpanded)
{
return(FontStretch.ExtraExpanded);
}
if (value == SW.FontStretches.UltraExpanded)
{
return(FontStretch.UltraExpanded);
}
return(FontStretch.Normal);
}
public TextFormat(TextElement e)
{
FontFamily = e.FontFamily;
FontSize = e.FontSize;
FontStyle = e.FontStyle;
FontWeight = e.FontWeight;
FontStretch = e.FontStretch;
if (e.Foreground is SolidColorBrush)
{
ForegroundColor = ((SolidColorBrush)e.Foreground).Color;
}
else
{
ForegroundColor = SystemColors.WindowTextColor;
}
if (e.Background is SolidColorBrush)
{
BackgroundColor = ((SolidColorBrush)e.Background).Color;
}
else
{
BackgroundColor = SystemColors.WindowColor;
}
}
internal static IFontFamily LookupFontFamilyAndFace(
CanonicalFontFamilyReference canonicalFamilyReference,
ref FontStyle style,
ref FontWeight weight,
ref FontStretch stretch
)
{
if (canonicalFamilyReference == null || object.ReferenceEquals(canonicalFamilyReference, CanonicalFontFamilyReference.Unresolved))
{
// no canonical name, e.g., because the friendly name was an empty string
// or could not be canonicalized
return null;
}
try
{
FamilyCollection familyCollection;
if (canonicalFamilyReference.LocationUri == null && canonicalFamilyReference.EscapedFileName == null)
{
// No explicit location; use the default family collection.
familyCollection = _defaultFamilyCollection;
}
else if (canonicalFamilyReference.LocationUri != null)
{
// Look in the location specified by the font family reference.
familyCollection = FamilyCollection.FromUri(canonicalFamilyReference.LocationUri);
}
else // canonicalFamilyReference.EscapedFileName != null
{
// Look in the specified file in the Windows Fonts folder
// Note: CanonicalFamilyReference.EscapedFileName is safe to combine with Util.WindowsFontsUriObject because CanonicalFamilyReference guarantees that it will be a simple filename
// without relative path or directory components.
Uri locationUri = new Uri(Util.WindowsFontsUriObject, canonicalFamilyReference.EscapedFileName);
familyCollection = FamilyCollection.FromWindowsFonts(locationUri);
}
IFontFamily fontFamily = familyCollection.LookupFamily(
canonicalFamilyReference.FamilyName,
ref style,
ref weight,
ref stretch
);
return fontFamily;
}
// The method returns null in case of malformed/non-existent fonts and we fall back to the next font.
// Therefore, we can disable PreSharp warning about empty catch bodies.
#pragma warning disable 6502
catch (FileFormatException)
{
// malformed font file
}
catch (IOException)
{
// canonical name points to a place that doesn't exist or can't be read for some reason
}
catch (UnauthorizedAccessException)
{
// canonical name points to a place caller doesn't have permission to access
}
catch (ArgumentException)
{
// canonical name points to a valid Uri that doesn't point to a well formed
// OS local path
}
catch (NotSupportedException)
{
// canonical name points to a Uri that specifies an unregistered scheme
}
catch (UriFormatException)
{
// canonical name points to a malformed Uri
}
#pragma warning restore 6502
// we want to fall back to the default fallback font instead of crashing
return null;
}
/// <summary>
/// Find the first valid IFontFamily, if any, for this FontFamily and sets the style, weight,
/// and stretch to valies implied by the font family (e.g., "Arial Bold" implies FontWeight.Bold).
/// </summary>
internal IFontFamily FindFirstFontFamilyAndFace(
ref FontStyle style,
ref FontWeight weight,
ref FontStretch stretch
)
{
if (_familyIdentifier.Source == null)
{
Invariant.Assert(_firstFontFamily != null, "Unnamed FontFamily should have a non-null first font family");
return _firstFontFamily;
}
IFontFamily firstFontFamily = null;
_familyIdentifier.Canonicalize();
for (int i = 0, c = _familyIdentifier.Count; firstFontFamily == null && i < c; ++i)
{
firstFontFamily = LookupFontFamilyAndFace(
_familyIdentifier[i],
ref style,
ref weight,
ref stretch);
}
return firstFontFamily;
}
internal static bool FontStretchStringToKnownStretch(string s, IFormatProvider provider, ref FontStretch fontStretch)
{
switch (s.Length)
{
case 6:
if (s.Equals("Normal", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Normal;
return(true);
}
if (s.Equals("Medium", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Medium;
return(true);
}
break;
case 8:
if (s.Equals("Expanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Expanded;
return(true);
}
break;
case 9:
if (s.Equals("Condensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.Condensed;
return(true);
}
break;
case 12:
if (s.Equals("SemiExpanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.SemiExpanded;
return(true);
}
break;
case 13:
if (s.Equals("SemiCondensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.SemiCondensed;
return(true);
}
if (s.Equals("ExtraExpanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.ExtraExpanded;
return(true);
}
if (s.Equals("UltraExpanded", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.UltraExpanded;
return(true);
}
break;
case 14:
if (s.Equals("UltraCondensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.UltraCondensed;
return(true);
}
if (s.Equals("ExtraCondensed", StringComparison.OrdinalIgnoreCase))
{
fontStretch = FontStretches.ExtraCondensed;
return(true);
}
break;
}
int stretchValue;
if (int.TryParse(s, NumberStyles.Integer, provider, out stretchValue))
{
fontStretch = FontStretch.FromOpenTypeStretch(stretchValue);
return(true);
}
return(false);
}
public static void SetValueFontStretch(DependencyObject i, FontStretch v) => i.Set(SecondaryValueFontStretchProperty, v);
private static ImageSource CreateGlyph(string text, FontFamily fontFamily, FontStyle fontStyle, FontWeight fontWeight, FontStretch fontStretch, Brush foreBrush)
{
if (fontFamily != null && !string.IsNullOrEmpty(text))
{
var typeface = new Typeface(fontFamily, fontStyle, fontWeight, fontStretch);
GlyphTypeface glyphTypeface;
if (!typeface.TryGetGlyphTypeface(out glyphTypeface))
{
throw Log.ErrorAndCreateException<InvalidOperationException>("No glyph type face found");
}
var glyphIndexes = new ushort[text.Length];
var advanceWidths = new double[text.Length];
for (var i = 0; i < text.Length; i++)
{
ushort glyphIndex;
try
{
var key = text[i];
if (!glyphTypeface.CharacterToGlyphMap.TryGetValue(key, out glyphIndex))
{
glyphIndex = 42;
}
}
catch (Exception)
{
glyphIndex = 42;
}
glyphIndexes[i] = glyphIndex;
var width = glyphTypeface.AdvanceWidths[glyphIndex] * 1.0;
advanceWidths[i] = width;
}
try
{
var glyphRun = new GlyphRun(glyphTypeface, 0, false, RenderingEmSize, glyphIndexes, new Point(0, 0), advanceWidths, null, null, null, null, null, null);
var glyphRunDrawing = new GlyphRunDrawing(foreBrush, glyphRun);
//TextOptions.SetTextRenderingMode(glyphRunDrawing, TextRenderingMode.Aliased);
var drawingImage = new DrawingImage(glyphRunDrawing);
//TextOptions.SetTextRenderingMode(drawingImage, TextRenderingMode.Aliased);
return drawingImage;
}
catch (Exception ex)
{
Log.Error(ex, "Error in generating Glyphrun");
}
}
return null;
}
public static void SetHeaderFontStretch(UIElement element, FontStretch value)
{
element.SetValue(HeaderFontStretchProperty, value);
}
