BAL::BIGlyphBuffer Class Reference

The GlyphBuffer associates Glyphs with their widths and FontData. More...

#include <BIGlyphBuffer.h>

Inheritance diagram for BAL::BIGlyphBuffer:

List of all members.

Public Member Functions
virtual bool	isEmpty () const =0
	Tell if the glyph buffer is empty.
virtual int	size () const =0
	Return the glyph buffer size.
virtual void	clear ()=0
	Clear all the glyph buffer.
virtual GlyphBufferGlyph *	glyphs (int from)=0
virtual const GlyphBufferGlyph *	glyphs (int from) const =0
virtual GlyphBufferAdvance *	advances (int from)=0
virtual const GlyphBufferAdvance *	advances (int from) const =0
virtual const BTFontData *	fontDataAt (int index) const =0
	Return the FontData at the given index.
virtual FloatSize	offsetAt (int index) const =0
virtual void	swap (int index1, int index2)=0
	Swaps two indexes of the GlyphBuffer This move the glyph, width and FontData altogether.
virtual Glyph	glyphAt (int index) const =0
	Returns the glyph at the given index.
virtual float	advanceAt (int index) const =0
	Returns the width of the glyph stored at the given index.
virtual void	add (Glyph glyph, const BTFontData *font, float width, const FloatSize *offset=0)=0
	Stores the glyph with the given width and the given font.
virtual	~BIGlyphBuffer ()

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Detailed Description

The GlyphBuffer associates Glyphs with their widths and FontData.

Glyphs, glyphs' widths, and FontData are each one stored in a vector. Thus glyphs, widths, and FontData can be accessed by index with glyphAt() advanceAt() and fonDataAt(). Width are used to know the advance for each glyphs when walking through a string of characters.

See also:

Font, FontData

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Constructor & Destructor Documentation

virtual BAL::BIGlyphBuffer::~BIGlyphBuffer

(

)

[inline, virtual]

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Member Function Documentation

virtual bool BAL::BIGlyphBuffer::isEmpty

(

)

const [pure virtual]

Tell if the glyph buffer is empty.

Returns:

bool true if empty, false otherwise

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual int BAL::BIGlyphBuffer::size

(

)

const [pure virtual]

Return the glyph buffer size.

Returns:

size of glyph buffer

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual void BAL::BIGlyphBuffer::clear

(

)

[pure virtual]

Clear all the glyph buffer.

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual GlyphBufferGlyph* BAL::BIGlyphBuffer::glyphs

(

int

from

)

[pure virtual]

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual const GlyphBufferGlyph* BAL::BIGlyphBuffer::glyphs

(

int

from

)

const [pure virtual]

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual GlyphBufferAdvance* BAL::BIGlyphBuffer::advances

(

int

from

)

[pure virtual]

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual const GlyphBufferAdvance* BAL::BIGlyphBuffer::advances

(

int

from

)

const [pure virtual]

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual const BTFontData* BAL::BIGlyphBuffer::fontDataAt

(

int

index

)

const [pure virtual]

Return the FontData at the given index.

Parameters:

[in]

index

of the glyph

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual FloatSize BAL::BIGlyphBuffer::offsetAt

(

int

index

)

const [pure virtual]

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual void BAL::BIGlyphBuffer::swap	(	int	index1,
		int	index2
	)			[pure virtual]

Swaps two indexes of the GlyphBuffer This move the glyph, width and FontData altogether.

Parameters:

[in]	index1	of the first glyph to be swapped
[in]	index2	of the second glyph

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual Glyph BAL::BIGlyphBuffer::glyphAt

(

int

index

)

const [pure virtual]

Returns the glyph at the given index.

Parameters:

[in]

index

of the glyph

Returns:

glyph the glyph found

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual float BAL::BIGlyphBuffer::advanceAt

(

int

index

)

const [pure virtual]

Returns the width of the glyph stored at the given index.

Parameters:

[in]

index

of the glyph

Returns:

float the width

Implemented in BAL::BCGlyphBufferEmbedded, and BAL::BCGlyphBufferFreeType.

virtual void BAL::BIGlyphBuffer::add	(	Glyph	glyph,
		const BTFontData *	font,
		float	width,
		const FloatSize *	offset = 0
	)			[pure virtual]

Stores the glyph with the given width and the given font.

Parameters:

[in]	glyph
[in]	font
[in]	width

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The documentation for this class was generated from the following file:

• /src/trunk2/BAL/Interfaces/font/BIGlyphBuffer.h

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