Aspose::Font::IFontMetrics Class Referenceabstract

Defines an interface for Font metrics tools. More...

Inherits System::Object.

Inherited by Aspose::Font::FontMetrics.

Public Member Functions

virtual bool get_IsFixedPitch ()=0
 True, if the Font is monospaced. More...
 
virtual System::SharedPtr< Aspose::Font::FontBBoxget_FontBBox ()=0
 Gets Font bounding box. More...
 
virtual System::SharedPtr< TransformationMatrixget_FontMatrix ()=0
 Gets Font transformation matrix. More...
 
virtual uint32_t get_UnitsPerEM ()=0
 Gets units per em. More...
 
virtual void set_UnitsPerEM (uint32_t value)=0
 Gets units per em. More...
 
virtual double get_Ascender ()=0
 Gets ascender value of the Font in font units. More...
 
virtual void set_Ascender (double value)=0
 Gets ascender value of the Font in font units. More...
 
virtual double get_TypoAscender ()=0
 Gets typographic ascender value of the Font in font units. More...
 
virtual void set_TypoAscender (double value)=0
 Gets typographic ascender value of the Font in font units. More...
 
virtual double get_Descender ()=0
 Gets descender value of the Font in font units. More...
 
virtual void set_Descender (double value)=0
 Gets descender value of the Font in font units. More...
 
virtual double get_TypoDescender ()=0
 Gets typographic descender value of the Font in Font units. More...
 
virtual void set_TypoDescender (double value)=0
 Gets typographic descender value of the Font in Font units. More...
 
virtual double get_LineGap ()=0
 Gets LineGap value of the Font in Font units. More...
 
virtual double get_TypoLineGap ()=0
 Gets typographic LineGap value of the Font in Font units. More...
 
virtual double GetKerningValue (System::SharedPtr< Glyphs::GlyphId > prevGlyphId, System::SharedPtr< Glyphs::GlyphId > nextGlyphId)=0
 Returns kerning value for the glyph pair. More...
 
virtual double GetGlyphWidth (System::SharedPtr< Glyphs::GlyphId > glyphId)=0
 Returns glyph width. More...
 
virtual System::SharedPtr< Aspose::Font::FontBBoxGetGlyphBBox (System::SharedPtr< Glyphs::GlyphId > glyphId)=0
 Returns glyph BBox. More...
 
virtual double GetAscender (double fontSize)=0
 Returns ascender for specific Font size. More...
 
virtual double GetDescender (double fontSize)=0
 Returns descender for specific Font size. More...
 
virtual double GetTypoDescender (double fontSize)=0
 Returns typographic descender for specific Font size. More...
 
virtual double GetTypoAscender (double fontSize)=0
 Returns typographic ascender for specific Font size. More...
 
virtual double GetTypoLineGap (double fontSize)=0
 Returns line gap for specific Font size. More...
 
virtual double MeasureString (System::String unicode, double fontSize)=0
 Measures string and returns string width. More...
 
- Public Member Functions inherited from System::Object
ASPOSECPP_SHARED_API Object ()
 Creates object. Initializes all internal data structures. More...
 
virtual ASPOSECPP_SHARED_API ~Object ()
 Destroys object. Frees all internal data structures. More...
 
ASPOSECPP_SHARED_API Object (Object const &x)
 Copy constructor. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
 
Objectoperator= (Object const &x)
 Assignment operator. Doesn't copy anything, really, just initializes new object and enables copy constructing subclasses. More...
 
ObjectSharedRefAdded ()
 Increments shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
int SharedRefRemovedSafe ()
 Decrements and returns shared reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
int RemovedSharedRefs (int count)
 Decreases shared reference count by specified value. More...
 
Detail::SmartPtrCounter * WeakRefAdded ()
 Increments weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
void WeakRefRemoved ()
 Decrements weak reference count. Shouldn't be called directly; instead, use smart pointers or ThisProtector. More...
 
Detail::SmartPtrCounter * GetCounter ()
 Gets reference counter data structure associated with the object. More...
 
int SharedCount () const
 Gets current value of shared reference counter. More...
 
ASPOSECPP_SHARED_API void Lock ()
 Implements C# lock() statement locking. Call directly or use LockContext sentry object. More...
 
ASPOSECPP_SHARED_API void Unlock ()
 Implements C# lock() statement unlocking. Call directly or use LockContext sentry object. More...
 
virtual ASPOSECPP_SHARED_API bool Equals (ptr obj)
 Compares objects using C# Object.Equals semantics. More...
 
virtual ASPOSECPP_SHARED_API int32_t GetHashCode () const
 Analog of C# Object.GetHashCode() method. Enables hashing of custom objects. More...
 
virtual ASPOSECPP_SHARED_API String ToString () const
 Analog of C# Object.ToString() method. Enables converting custom objects to string. More...
 
virtual ASPOSECPP_SHARED_API ptr MemberwiseClone () const
 Analog of C# Object.MemberwiseClone() method. Enables cloning custom types. More...
 
virtual ASPOSECPP_SHARED_API const TypeInfoGetType () const
 Gets actual type of object. Analog of C# System.Object.GetType() call. More...
 
virtual ASPOSECPP_SHARED_API bool Is (const TypeInfo &targetType) const
 Check if object represents an instance of type described by targetType. Analog of C# 'is' operator. More...
 
virtual ASPOSECPP_SHARED_API void SetTemplateWeakPtr (uint32_t argument)
 Set n'th template argument a weak pointer (rather than shared). Allows switching pointers in containers to weak mode. More...
 
virtual ASPOSECPP_SHARED_API bool FastCast (const Details::FastRttiBase &helper, void **out_ptr) const
 For internal purposes only. More...
 
template<>
bool Equals (float const &objA, float const &objB)
 Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...
 
template<>
bool Equals (double const &objA, double const &objB)
 Emulates C#-style floating point comparison where two NaNs are considered equal even though according to IEC 60559:1989 NaN is not equal to any value, including NaN. More...
 
template<>
bool ReferenceEquals (String const &str, std::nullptr_t)
 Specialization of Object::ReferenceEquals for case of string and nullptr. More...
 
template<>
bool ReferenceEquals (String const &str1, String const &str2)
 Specialization of Object::ReferenceEquals for case of strings. More...
 

Additional Inherited Members

- Public Types inherited from System::Object
typedef SmartPtr< Objectptr
 Alias for smart pointer type. More...
 
- Static Public Member Functions inherited from System::Object
static bool ReferenceEquals (ptr const &objA, ptr const &objB)
 Compares objects by reference. More...
 
template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type ReferenceEquals (T const &objA, T const &objB)
 Compares objects by reference. More...
 
template<typename T >
static std::enable_if<!IsSmartPtr< T >::value, bool >::type ReferenceEquals (T const &objA, std::nullptr_t)
 Reference-compares value type object with nullptr. More...
 
template<typename T1 , typename T2 >
static std::enable_if< IsSmartPtr< T1 >::value &&IsSmartPtr< T2 >::value, bool >::type Equals (T1 const &objA, T2 const &objB)
 Compares reference type objects in C# style. More...
 
template<typename T1 , typename T2 >
static std::enable_if<!IsSmartPtr< T1 >::value &&!IsSmartPtr< T2 >::value, bool >::type Equals (T1 const &objA, T2 const &objB)
 Compares value type objects in C# style. More...
 
static const TypeInfoType ()
 Implements C# typeof(System.Object) construct. More...
 

Detailed Description

Defines an interface for Font metrics tools.

Member Function Documentation

◆ get_Ascender()

virtual double Aspose::Font::IFontMetrics::get_Ascender ( )
pure virtual

◆ get_Descender()

virtual double Aspose::Font::IFontMetrics::get_Descender ( )
pure virtual

◆ get_FontBBox()

virtual System::SharedPtr<Aspose::Font::FontBBox> Aspose::Font::IFontMetrics::get_FontBBox ( )
pure virtual

◆ get_FontMatrix()

virtual System::SharedPtr<TransformationMatrix> Aspose::Font::IFontMetrics::get_FontMatrix ( )
pure virtual

◆ get_IsFixedPitch()

virtual bool Aspose::Font::IFontMetrics::get_IsFixedPitch ( )
pure virtual

True, if the Font is monospaced.

Implemented in Aspose::Font::FontMetrics.

◆ get_LineGap()

virtual double Aspose::Font::IFontMetrics::get_LineGap ( )
pure virtual

Gets LineGap value of the Font in Font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ get_TypoAscender()

virtual double Aspose::Font::IFontMetrics::get_TypoAscender ( )
pure virtual

Gets typographic ascender value of the Font in font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ get_TypoDescender()

virtual double Aspose::Font::IFontMetrics::get_TypoDescender ( )
pure virtual

Gets typographic descender value of the Font in Font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ get_TypoLineGap()

virtual double Aspose::Font::IFontMetrics::get_TypoLineGap ( )
pure virtual

Gets typographic LineGap value of the Font in Font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ get_UnitsPerEM()

virtual uint32_t Aspose::Font::IFontMetrics::get_UnitsPerEM ( )
pure virtual

◆ GetAscender()

virtual double Aspose::Font::IFontMetrics::GetAscender ( double  fontSize)
pure virtual

Returns ascender for specific Font size.

Parameters
fontSizeFont size.
Returns
Ascender value.

Implemented in Aspose::Font::FontMetrics.

◆ GetDescender()

virtual double Aspose::Font::IFontMetrics::GetDescender ( double  fontSize)
pure virtual

Returns descender for specific Font size.

Parameters
fontSizeFont size.
Returns
Descender value.

Implemented in Aspose::Font::FontMetrics.

◆ GetGlyphBBox()

virtual System::SharedPtr<Aspose::Font::FontBBox> Aspose::Font::IFontMetrics::GetGlyphBBox ( System::SharedPtr< Glyphs::GlyphId glyphId)
pure virtual

Returns glyph BBox.

Parameters
glyphIdglyph identifier
Returns
glyph BBox

Implemented in Aspose::Font::FontMetrics.

◆ GetGlyphWidth()

virtual double Aspose::Font::IFontMetrics::GetGlyphWidth ( System::SharedPtr< Glyphs::GlyphId glyphId)
pure virtual

Returns glyph width.

Parameters
glyphIdGlyph identifier.
Returns
Glyph width.

Implemented in Aspose::Font::FontMetrics.

◆ GetKerningValue()

virtual double Aspose::Font::IFontMetrics::GetKerningValue ( System::SharedPtr< Glyphs::GlyphId prevGlyphId,
System::SharedPtr< Glyphs::GlyphId nextGlyphId 
)
pure virtual

Returns kerning value for the glyph pair.

Parameters
prevGlyphIdFirst glyph in pair.
nextGlyphIdFont size.
Returns
Kerning value.

Implemented in Aspose::Font::FontMetrics.

◆ GetTypoAscender()

virtual double Aspose::Font::IFontMetrics::GetTypoAscender ( double  fontSize)
pure virtual

Returns typographic ascender for specific Font size.

Parameters
fontSizeFont size.
Returns
Typographic ascender value.

Implemented in Aspose::Font::FontMetrics.

◆ GetTypoDescender()

virtual double Aspose::Font::IFontMetrics::GetTypoDescender ( double  fontSize)
pure virtual

Returns typographic descender for specific Font size.

Parameters
fontSizeFont size.
Returns
Typographic descender value.

Implemented in Aspose::Font::FontMetrics.

◆ GetTypoLineGap()

virtual double Aspose::Font::IFontMetrics::GetTypoLineGap ( double  fontSize)
pure virtual

Returns line gap for specific Font size.

Parameters
fontSizeFont size.
Returns
Line gap value.

Implemented in Aspose::Font::FontMetrics.

◆ MeasureString()

virtual double Aspose::Font::IFontMetrics::MeasureString ( System::String  unicode,
double  fontSize 
)
pure virtual

Measures string and returns string width.

Parameters
unicodeUnicode string.
fontSizeFont size.
Returns
String width.

Implemented in Aspose::Font::FontMetrics, Aspose::Font::Ttf::TtfFontMetrics, Aspose::Font::Type1::Type1FontMetrics, and Aspose::Font::Cff::CffFontMetrics.

◆ set_Ascender()

virtual void Aspose::Font::IFontMetrics::set_Ascender ( double  value)
pure virtual

Gets ascender value of the Font in font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ set_Descender()

virtual void Aspose::Font::IFontMetrics::set_Descender ( double  value)
pure virtual

Gets descender value of the Font in font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ set_TypoAscender()

virtual void Aspose::Font::IFontMetrics::set_TypoAscender ( double  value)
pure virtual

Gets typographic ascender value of the Font in font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ set_TypoDescender()

virtual void Aspose::Font::IFontMetrics::set_TypoDescender ( double  value)
pure virtual

Gets typographic descender value of the Font in Font units.

Implemented in Aspose::Font::FontMetrics, and Aspose::Font::Ttf::TtfFontMetrics.

◆ set_UnitsPerEM()

virtual void Aspose::Font::IFontMetrics::set_UnitsPerEM ( uint32_t  value)
pure virtual