SmTextureFont::FontImage Class Reference

Inheritance diagram for SmTextureFont::FontImage:

Public Member Functions
	FontImage (const SbVec2s glyphsize, const int leading, const int ascent, const int descent, const int numcomponents)
void	addGlyph (unsigned char c, const SbImage &image, const int width, const int gfxwidth=-1, const int xoffset=0)
int	getAscent () const
int	getDescent () const
SoGLImage *	getGLImage (void) const
SbImage	getGlyphImage (const unsigned char c) const
SbVec2f	getGlyphPosition (unsigned char c) const
SbVec2s	getGlyphPositionPixels (unsigned char c) const
SbVec2f	getGlyphSize (unsigned char c) const
const SbVec2s &	getGlyphSizePixels () const
int	getGlyphWidth (unsigned char c) const
int	getKerning (unsigned char glyph, unsigned char next) const
int	getLeading () const
int	getXOffset (unsigned char glyph) const
int	height () const
void	renderString (const SbString &s, const SbVec3f &pos, const bool needglbeginend=true) const
void	setKerning (unsigned char glyph, unsigned char next, int kerning)
int	stringWidth (const SbString &s) const

Member Function Documentation

addGlyph()

void SmTextureFont::FontImage::addGlyph	(	unsigned char	c,
		const SbImage &	image,
		const int	glyphwidth,
		const int	gfxglyphwidth = -1,
		const int	xoffset = 0 )

Adds the image for a glyph to the texture image. The size of the image must be smaller than the glyphsize provided in the constructor. glyphwidth is the number of pixels to advance before rendering the next character. gfxglyphwidth is the width of the glyph in the bitmap. If you supply a negative number in gfxglyphwidth, the width of the glyphs supplied in the constructor will be used instead.

xoffset is the offset used when rendering the glyph. This is useful for specifying glyphs that extend to the left of the glyph position.

getGLImage()

SoGLImage * SmTextureFont::FontImage::getGLImage

(

void

)

const

Returns the SoGLImage instance for this font.

getGlyphImage()

SbImage SmTextureFont::FontImage::getGlyphImage

(

const unsigned char

c

)

const

Returns the glyph image for c.

getGlyphPosition()

SbVec2f SmTextureFont::FontImage::getGlyphPosition

(

unsigned char

c

)

const

Returns the lower left corner position of the glyph in texture coordinates.

getGlyphSize()

SbVec2f SmTextureFont::FontImage::getGlyphSize

(

unsigned char

c

)

const

Returns the size of the glyph, in texture coordinates.

getGlyphWidth()

int SmTextureFont::FontImage::getGlyphWidth

(

unsigned char

c

)

const

Returns the width of the glyph in the texture.

getKerning()

int SmTextureFont::FontImage::getKerning	(	unsigned char	glyph,
		unsigned char	next ) const

Returns the kerning for glyph/next. If no kerning info exists for the pair, the width of the glyph is returned.

getXOffset()

int SmTextureFont::FontImage::getXOffset

(

unsigned char

glyph

)

const

Returns the x offset for glyph.

height()

int SmTextureFont::FontImage::height

(

)

const

Returns the height of the font (ascent + descent + 1).

renderString()

void SmTextureFont::FontImage::renderString	(	const SbString &	s,
		const SbVec3f &	pos,
		const bool	needglbeginend = true ) const

Convenience method to render s at position pos. This function assumed a coordinate system with 1 pixel == 1 unit is set up.

setKerning()

void SmTextureFont::FontImage::setKerning	(	unsigned char	glyph,
		unsigned char	next,
		int	kerning )

Sets kerning for the glyph/next pair.

stringWidth()

int SmTextureFont::FontImage::stringWidth

(

const SbString &

s

)

const

Convenience method that calculates the width (in pixels) for s.

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

• SmTextureFont.h
• SmTextureFont.cpp