public TypographyHandler(string text)
{
var textAnalyzer = new CanvasTextAnalyzer(text, CanvasTextDirection.TopToBottomThenLeftToRight);
analyzedScript = textAnalyzer.GetScript();
TypographyOptions = new List<TypographyFeatureInfo>();
TypographyOptions.Add(new TypographyFeatureInfo(CanvasTypographyFeatureName.None));
CurrentMode = Mode.BuildTypographyList;
FeatureToHighlight = CanvasTypographyFeatureName.None;
}
public TypographyHandler(string text)
{
var textAnalyzer = new CanvasTextAnalyzer(text, CanvasTextDirection.TopToBottomThenLeftToRight);
analyzedScript = textAnalyzer.GetScript();
TypographyOptions = new List <TypographyFeatureInfo>();
TypographyOptions.Add(new TypographyFeatureInfo(CanvasTypographyFeatureName.None));
CurrentMode = Mode.BuildTypographyList;
FeatureToHighlight = CanvasTypographyFeatureName.None;
}
bool IsNamedFeature(CanvasTypographyFeatureName name)
{
//
// DWrite and Win2D support a pre-defined list of typographic features.
// However, fonts are free to expose features outside of that list.
// In fact, many built-in fonts have such custom features.
//
// These custom features are also accessible through Win2D, and
// are reported by GetSupportedTypographicFeatureNames.
//
return(_allValues.Contains(name));
}
public TypographyFeatureInfo(CanvasTypographyFeatureName n)
{
Feature = n;
if (IsNamedFeature(Feature))
{
DisplayName = Feature.Humanize().Transform(To.TitleCase);
}
else
{
//
// For custom font features, we can produce the OpenType feature tag
// using the feature name.
//
uint id = (uint)(Feature);
DisplayName = DirectWrite.GetTagName(id);
}
}
bool IsNamedFeature(CanvasTypographyFeatureName name)
{
//
// DWrite and Win2D support a pre-defined list of typographic features.
// However, fonts are free to expose features outside of that list.
// In fact, many built-in fonts have such custom features.
//
// These custom features are also accessible through Win2D, and
// are reported by GetSupportedTypographicFeatureNames.
//
var allValues = Enum.GetValues(typeof(CanvasTypographyFeatureName));
foreach (var value in allValues)
{
if ((CanvasTypographyFeatureName)(value) == name)
{
return(true);
}
}
return(false);
}
public TypographyFeatureInfo(CanvasTypographyFeatureName n)
{
name = n;
if (IsNamedFeature(name))
{
stringName = name.ToString();
}
else
{
//
// For custom font features, we can produce the OpenType feature tag
// using the feature name.
//
uint id = (uint)(name);
stringName =
((char)((id >> 24) & 0xFF)).ToString() +
((char)((id >> 16) & 0xFF)).ToString() +
((char)((id >> 8) & 0xFF)).ToString() +
((char)((id >> 0) & 0xFF)).ToString() + " (Custom)";
}
}
public TypographyFeatureInfo(CanvasTypographyFeatureName n, string displayName = null)
{
Feature = n;
if (displayName != null)
{
DisplayName = displayName;
}
else if (IsNamedFeature(Feature))
{
DisplayName = Feature.Humanise();
}
else
{
//
// For custom font features, we can produce the OpenType feature tag
// using the feature name.
//
uint id = (uint)(Feature);
DisplayName = DirectWrite.GetTagName(id);
}
}
public TypographyFeatureInfo(CanvasTypographyFeatureName n)
{
Feature = n;
if (IsNamedFeature(Feature))
{
DisplayName = Feature.Humanize().Transform(To.TitleCase);
}
else
{
//
// For custom font features, we can produce the OpenType feature tag
// using the feature name.
//
uint id = (uint)(Feature);
DisplayName = ("Custom: ") +
((char)((id >> 24) & 0xFF)) +
((char)((id >> 16) & 0xFF)) +
((char)((id >> 8) & 0xFF)) +
((char)((id >> 0) & 0xFF));
}
}
public static void SetTypography(IXamlDirectObject o, CanvasTypographyFeatureName f, XamlDirect _xamlDirect)
{
/* XAML Direct Helpers. Using XD is faster than setting Dependency Properties */
void Set(XamlPropertyIndex index, bool value)
{
_xamlDirect.SetBooleanProperty(o, index, value);
}
void SetE(XamlPropertyIndex index, uint e)
{
_xamlDirect.SetEnumProperty(o, index, e);
}
void SetI(XamlPropertyIndex index, bool val)
{
_xamlDirect.SetInt32Property(o, index, val ? 1 : 0);
}
/* TODO : ADD EASTASIAN TYPOGRAPY PROPERTIES */
/* Set CAPTIAL SPACING */
/* As Capital Spacing affects character spacing, it has no use when displaying single glyphs */
//Set(XamlPropertyIndex.Typography_CapitalSpacing, f == CanvasTypographyFeatureName.CapitalSpacing);
/* Set KERNING */
/* As Kerning affects character spacing, it has no use when displaying single glyphs */
//Set(XamlPropertyIndex.Typography_Kerning, f == CanvasTypographyFeatureName.Kerning);
/* Set SWASHES */
SetI(XamlPropertyIndex.Typography_StandardSwashes, f == CanvasTypographyFeatureName.Swash);
SetI(XamlPropertyIndex.Typography_ContextualSwashes, f == CanvasTypographyFeatureName.ContextualSwash);
/* Set ALTERNATES */
SetI(XamlPropertyIndex.Typography_AnnotationAlternates, f == CanvasTypographyFeatureName.AlternateAnnotationForms);
SetI(XamlPropertyIndex.Typography_StylisticAlternates, f == CanvasTypographyFeatureName.StylisticAlternates);
/* Contextual Alternates applies to combinations of characters, and as such has no purpose here yet */
Set(XamlPropertyIndex.Typography_ContextualAlternates, f == CanvasTypographyFeatureName.ContextualAlternates);
/* Set MATHEMATICAL GREEK */
Set(XamlPropertyIndex.Typography_MathematicalGreek, f == CanvasTypographyFeatureName.MathematicalGreek);
/* Set FORMS */
Set(XamlPropertyIndex.Typography_HistoricalForms, f == CanvasTypographyFeatureName.HistoricalForms);
Set(XamlPropertyIndex.Typography_CaseSensitiveForms, f == CanvasTypographyFeatureName.CaseSensitiveForms);
Set(XamlPropertyIndex.Typography_EastAsianExpertForms, f == CanvasTypographyFeatureName.ExpertForms);
/* Set SLASHED ZERO */
Set(XamlPropertyIndex.Typography_SlashedZero, f == CanvasTypographyFeatureName.SlashedZero);
/* Set LIGATURES */
/* Ligatures only apply to combinations of characters, and as such have no purpose here yet */
// Set(XamlPropertyIndex.Typography_StandardLigatures, f == CanvasTypographyFeatureName.StandardLigatures);
// Set(XamlPropertyIndex.Typography_ContextualLigatures, f == CanvasTypographyFeatureName.ContextualLigatures);
// Set(XamlPropertyIndex.Typography_HistoricalLigatures, f == CanvasTypographyFeatureName.HistoricalLigatures);
// Set(XamlPropertyIndex.Typography_DiscretionaryLigatures, f == CanvasTypographyFeatureName.DiscretionaryLigatures);
/* Set CAPITALS */
if (f == CanvasTypographyFeatureName.SmallCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.SmallCaps);
}
else if (f == CanvasTypographyFeatureName.SmallCapitalsFromCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.AllSmallCaps);
}
else if (f == CanvasTypographyFeatureName.PetiteCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.PetiteCaps);
}
else if (f == CanvasTypographyFeatureName.PetiteCapitalsFromCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.AllPetiteCaps);
}
else if (f == CanvasTypographyFeatureName.Titling)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.Titling);
}
else if (f == CanvasTypographyFeatureName.Unicase)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.Unicase);
}
else
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.Normal);
}
/* Set NUMERAL ALIGNMENT */
/* Numeral Alignment only apply to combinations of characters, and as such have no purpose here yet */
//if (f == CanvasTypographyFeatureName.ProportionalFigures)
// SetE(XamlPropertyIndex.Typography_NumeralAlignment, (uint)FontNumeralAlignment.Proportional);
//else if (f == CanvasTypographyFeatureName.TabularFigures)
// SetE(XamlPropertyIndex.Typography_NumeralAlignment, (uint)FontNumeralAlignment.Tabular);
//else
SetE(XamlPropertyIndex.Typography_NumeralAlignment, (uint)FontNumeralAlignment.Normal);
/* Set NUMERAL STYLE */
if (f == CanvasTypographyFeatureName.OldStyleFigures)
{
SetE(XamlPropertyIndex.Typography_NumeralStyle, (uint)FontNumeralStyle.OldStyle);
}
else if (f == CanvasTypographyFeatureName.LiningFigures)
{
SetE(XamlPropertyIndex.Typography_NumeralStyle, (uint)FontNumeralStyle.Lining);
}
else
{
SetE(XamlPropertyIndex.Typography_NumeralStyle, (uint)FontNumeralStyle.Normal);
}
/* Set VARIANTS */
if (f == CanvasTypographyFeatureName.Ordinals)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Ordinal);
}
else if (f == CanvasTypographyFeatureName.Superscript)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Superscript);
}
else if (f == CanvasTypographyFeatureName.Subscript)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Subscript);
}
else if (f == CanvasTypographyFeatureName.RubyNotationForms)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Ruby);
}
else if (f == CanvasTypographyFeatureName.ScientificInferiors)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Inferior);
}
else
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Normal);
}
/* Set STLYISTIC SETS */
Set(XamlPropertyIndex.Typography_StylisticSet1, f == CanvasTypographyFeatureName.StylisticSet1);
Set(XamlPropertyIndex.Typography_StylisticSet2, f == CanvasTypographyFeatureName.StylisticSet2);
Set(XamlPropertyIndex.Typography_StylisticSet3, f == CanvasTypographyFeatureName.StylisticSet3);
Set(XamlPropertyIndex.Typography_StylisticSet4, f == CanvasTypographyFeatureName.StylisticSet4);
Set(XamlPropertyIndex.Typography_StylisticSet5, f == CanvasTypographyFeatureName.StylisticSet5);
Set(XamlPropertyIndex.Typography_StylisticSet6, f == CanvasTypographyFeatureName.StylisticSet6);
Set(XamlPropertyIndex.Typography_StylisticSet7, f == CanvasTypographyFeatureName.StylisticSet7);
Set(XamlPropertyIndex.Typography_StylisticSet8, f == CanvasTypographyFeatureName.StylisticSet8);
Set(XamlPropertyIndex.Typography_StylisticSet9, f == CanvasTypographyFeatureName.StylisticSet9);
Set(XamlPropertyIndex.Typography_StylisticSet10, f == CanvasTypographyFeatureName.StylisticSet10);
Set(XamlPropertyIndex.Typography_StylisticSet11, f == CanvasTypographyFeatureName.StylisticSet11);
Set(XamlPropertyIndex.Typography_StylisticSet12, f == CanvasTypographyFeatureName.StylisticSet12);
Set(XamlPropertyIndex.Typography_StylisticSet13, f == CanvasTypographyFeatureName.StylisticSet13);
Set(XamlPropertyIndex.Typography_StylisticSet14, f == CanvasTypographyFeatureName.StylisticSet14);
Set(XamlPropertyIndex.Typography_StylisticSet15, f == CanvasTypographyFeatureName.StylisticSet15);
Set(XamlPropertyIndex.Typography_StylisticSet16, f == CanvasTypographyFeatureName.StylisticSet16);
Set(XamlPropertyIndex.Typography_StylisticSet17, f == CanvasTypographyFeatureName.StylisticSet17);
Set(XamlPropertyIndex.Typography_StylisticSet18, f == CanvasTypographyFeatureName.StylisticSet18);
Set(XamlPropertyIndex.Typography_StylisticSet19, f == CanvasTypographyFeatureName.StylisticSet19);
Set(XamlPropertyIndex.Typography_StylisticSet20, f == CanvasTypographyFeatureName.StylisticSet20);
}
bool IsNamedFeature(CanvasTypographyFeatureName name)
{
//
// DWrite and Win2D support a pre-defined list of typographic features.
// However, fonts are free to expose features outside of that list.
// In fact, many built-in fonts have such custom features.
//
// These custom features are also accessible through Win2D, and
// are reported by GetSupportedTypographicFeatureNames.
//
var allValues = Enum.GetValues(typeof(CanvasTypographyFeatureName));
foreach (var value in allValues)
{
if ((CanvasTypographyFeatureName)(value) == name)
return true;
}
return false;
}
public TypographyFeatureInfo(CanvasTypographyFeatureName n)
{
name = n;
if (IsNamedFeature(name))
{
stringName = name.ToString();
}
else
{
//
// For custom font features, we can produce the OpenType feature tag
// using the feature name.
//
uint id = (uint)(name);
stringName =
((char)((id >> 24) & 0xFF)).ToString() +
((char)((id >> 16) & 0xFF)).ToString() +
((char)((id >> 8) & 0xFF)).ToString() +
((char)((id >> 0) & 0xFF)).ToString() + " (Custom)";
}
}
private void ApplyTypography()
{
/*
* Here we shall map DirectWrite / Win2D typography properties to their
* XAML equivalents. Not all properties are supported because not all
* properties map directly. To support them all, we'd have to render all
* the characters in the GridView with Win2D;
*/
if (AssociatedObject == null)
{
return;
}
// Hack to avoid XAML Direct crash
if (_xamlDirect == null && TypographyFeature == null)
{
return;
}
if (_xamlDirect == null)
{
_xamlDirect = Utils.GetXamlDirectForWindow(Dispatcher);
}
/* Assign shorthands for use below */
CanvasTypographyFeatureName f = TypographyFeature == null ? CanvasTypographyFeatureName.None : TypographyFeature.Feature;
TextBlock t = AssociatedObject;
/* XAML Direct Helpers. Using XD is faster than setting Dependency Properties */
object o = _xamlDirect.GetXamlDirectObject(t);
void Set(XamlPropertyIndex index, bool value)
{
_xamlDirect.SetBooleanProperty(o, index, value);
}
void SetE(XamlPropertyIndex index, uint e)
{
_xamlDirect.SetEnumProperty(o, index, e);
}
void SetI(XamlPropertyIndex index, bool val)
{
_xamlDirect.SetInt32Property(o, index, val ? 1 : 0);
}
/* TODO : ADD EASTASIAN TYPOGRAPY PROPERTIES */
/* Set CAPTIAL SPACING */
/* As Capital Spacing affects character spacing, it has no use when displaying single glyphs */
//Set(XamlPropertyIndex.Typography_CapitalSpacing, f == CanvasTypographyFeatureName.CapitalSpacing);
/* Set KERNING */
/* As Kerning affects character spacing, it has no use when displaying single glyphs */
//Set(XamlPropertyIndex.Typography_Kerning, f == CanvasTypographyFeatureName.Kerning);
/* Set SWASHES */
SetI(XamlPropertyIndex.Typography_StandardSwashes, f == CanvasTypographyFeatureName.Swash);
SetI(XamlPropertyIndex.Typography_ContextualSwashes, f == CanvasTypographyFeatureName.ContextualSwash);
/* Set ALTERNATES */
SetI(XamlPropertyIndex.Typography_AnnotationAlternates, f == CanvasTypographyFeatureName.AlternateAnnotationForms);
SetI(XamlPropertyIndex.Typography_StylisticAlternates, f == CanvasTypographyFeatureName.StylisticAlternates);
/* Contextual Alternates applies to combinations of characters, and as such has no purpose here yet */
Set(XamlPropertyIndex.Typography_ContextualAlternates, f == CanvasTypographyFeatureName.ContextualAlternates);
/* Set MATHEMATICAL GREEK */
Set(XamlPropertyIndex.Typography_MathematicalGreek, f == CanvasTypographyFeatureName.MathematicalGreek);
/* Set FORMS */
Set(XamlPropertyIndex.Typography_HistoricalForms, f == CanvasTypographyFeatureName.HistoricalForms);
Set(XamlPropertyIndex.Typography_CaseSensitiveForms, f == CanvasTypographyFeatureName.CaseSensitiveForms);
Set(XamlPropertyIndex.Typography_EastAsianExpertForms, f == CanvasTypographyFeatureName.ExpertForms);
/* Set SLASHED ZERO */
Set(XamlPropertyIndex.Typography_SlashedZero, f == CanvasTypographyFeatureName.SlashedZero);
/* Set LIGATURES */
/* Ligatures only apply to combinations of characters, and as such have no purpose here yet */
// Set(XamlPropertyIndex.Typography_StandardLigatures, f == CanvasTypographyFeatureName.StandardLigatures);
// Set(XamlPropertyIndex.Typography_ContextualLigatures, f == CanvasTypographyFeatureName.ContextualLigatures);
// Set(XamlPropertyIndex.Typography_HistoricalLigatures, f == CanvasTypographyFeatureName.HistoricalLigatures);
// Set(XamlPropertyIndex.Typography_DiscretionaryLigatures, f == CanvasTypographyFeatureName.DiscretionaryLigatures);
/* Set CAPITALS */
if (f == CanvasTypographyFeatureName.SmallCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.SmallCaps);
}
else if (f == CanvasTypographyFeatureName.SmallCapitalsFromCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.AllSmallCaps);
}
else if (f == CanvasTypographyFeatureName.PetiteCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.PetiteCaps);
}
else if (f == CanvasTypographyFeatureName.PetiteCapitalsFromCapitals)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.AllPetiteCaps);
}
else if (f == CanvasTypographyFeatureName.Titling)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.Titling);
}
else if (f == CanvasTypographyFeatureName.Unicase)
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.Unicase);
}
else
{
SetE(XamlPropertyIndex.Typography_Capitals, (uint)FontCapitals.Normal);
}
/* Set NUMERAL ALIGNMENT */
/* Numeral Alignment only apply to combinations of characters, and as such have no purpose here yet */
//if (f == CanvasTypographyFeatureName.ProportionalFigures)
// SetE(XamlPropertyIndex.Typography_NumeralAlignment, (uint)FontNumeralAlignment.Proportional);
//else if (f == CanvasTypographyFeatureName.TabularFigures)
// SetE(XamlPropertyIndex.Typography_NumeralAlignment, (uint)FontNumeralAlignment.Tabular);
//else
SetE(XamlPropertyIndex.Typography_NumeralAlignment, (uint)FontNumeralAlignment.Normal);
/* Set NUMERAL STYLE */
if (f == CanvasTypographyFeatureName.OldStyleFigures)
{
SetE(XamlPropertyIndex.Typography_NumeralStyle, (uint)FontNumeralStyle.OldStyle);
}
else if (f == CanvasTypographyFeatureName.LiningFigures)
{
SetE(XamlPropertyIndex.Typography_NumeralStyle, (uint)FontNumeralStyle.Lining);
}
else
{
SetE(XamlPropertyIndex.Typography_NumeralStyle, (uint)FontNumeralStyle.Normal);
}
/* Set VARIANTS */
if (f == CanvasTypographyFeatureName.Ordinals)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Ordinal);
}
else if (f == CanvasTypographyFeatureName.Superscript)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Superscript);
}
else if (f == CanvasTypographyFeatureName.Subscript)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Subscript);
}
else if (f == CanvasTypographyFeatureName.RubyNotationForms)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Ruby);
}
else if (f == CanvasTypographyFeatureName.ScientificInferiors)
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Inferior);
}
else
{
SetE(XamlPropertyIndex.Typography_Variants, (uint)FontVariants.Normal);
}
/* Set STLYISTIC SETS */
Set(XamlPropertyIndex.Typography_StylisticSet1, f == CanvasTypographyFeatureName.StylisticSet1);
Set(XamlPropertyIndex.Typography_StylisticSet2, f == CanvasTypographyFeatureName.StylisticSet2);
Set(XamlPropertyIndex.Typography_StylisticSet3, f == CanvasTypographyFeatureName.StylisticSet3);
Set(XamlPropertyIndex.Typography_StylisticSet4, f == CanvasTypographyFeatureName.StylisticSet4);
Set(XamlPropertyIndex.Typography_StylisticSet5, f == CanvasTypographyFeatureName.StylisticSet5);
Set(XamlPropertyIndex.Typography_StylisticSet6, f == CanvasTypographyFeatureName.StylisticSet6);
Set(XamlPropertyIndex.Typography_StylisticSet7, f == CanvasTypographyFeatureName.StylisticSet7);
Set(XamlPropertyIndex.Typography_StylisticSet8, f == CanvasTypographyFeatureName.StylisticSet8);
Set(XamlPropertyIndex.Typography_StylisticSet9, f == CanvasTypographyFeatureName.StylisticSet9);
Set(XamlPropertyIndex.Typography_StylisticSet10, f == CanvasTypographyFeatureName.StylisticSet10);
Set(XamlPropertyIndex.Typography_StylisticSet11, f == CanvasTypographyFeatureName.StylisticSet11);
Set(XamlPropertyIndex.Typography_StylisticSet12, f == CanvasTypographyFeatureName.StylisticSet12);
Set(XamlPropertyIndex.Typography_StylisticSet13, f == CanvasTypographyFeatureName.StylisticSet13);
Set(XamlPropertyIndex.Typography_StylisticSet14, f == CanvasTypographyFeatureName.StylisticSet14);
Set(XamlPropertyIndex.Typography_StylisticSet15, f == CanvasTypographyFeatureName.StylisticSet15);
Set(XamlPropertyIndex.Typography_StylisticSet16, f == CanvasTypographyFeatureName.StylisticSet16);
Set(XamlPropertyIndex.Typography_StylisticSet17, f == CanvasTypographyFeatureName.StylisticSet17);
Set(XamlPropertyIndex.Typography_StylisticSet18, f == CanvasTypographyFeatureName.StylisticSet18);
Set(XamlPropertyIndex.Typography_StylisticSet19, f == CanvasTypographyFeatureName.StylisticSet19);
Set(XamlPropertyIndex.Typography_StylisticSet20, f == CanvasTypographyFeatureName.StylisticSet20);
}
