irr::gui::SGUITTGlyph Struct Reference

Structure representing a single TrueType glyph. More...

#include <CGUITTFont.h>

Public Member Functions
	SGUITTGlyph ()
	Constructor.
	DISABLE_CLASS_COPY (SGUITTGlyph)
	SGUITTGlyph (SGUITTGlyph &&other) noexcept
	This class would be trivially copyable except for the reference count on surface.
	~SGUITTGlyph ()
	Destructor.
bool	isLoaded () const
	If true, the glyph has been loaded.
void	preload (u32 char_index, FT_Face face, CGUITTFont *parent, u32 font_size, const FT_Int32 loadFlags)
	Preload the glyph.
void	unload ()
	Unloads the glyph.
video::IImage *	createGlyphImage (const FT_Bitmap &bits, video::IVideoDriver *driver) const
	Creates the IImage object from the FT_Bitmap.

Public Attributes
u32	glyph_page
	The page the glyph is on.
core::recti	source_rect
	The source rectangle for the glyph.
core::vector2di	offset
	The offset of glyph when drawn.
core::vector2di	advance
	Glyph advance information.
video::IImage *	surface
	This is just the temporary image holder.

Detailed Description

Structure representing a single TrueType glyph.

Constructor & Destructor Documentation

SGUITTGlyph() [1/2]

irr::gui::SGUITTGlyph::SGUITTGlyph ( )

inline

Constructor.

SGUITTGlyph() [2/2]

irr::gui::SGUITTGlyph::SGUITTGlyph ( SGUITTGlyph && other )

inlinenoexcept

This class would be trivially copyable except for the reference count on surface.

~SGUITTGlyph()

irr::gui::SGUITTGlyph::~SGUITTGlyph ( )

inline

Destructor.

References unload().

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Member Function Documentation

createGlyphImage()

video::IImage * irr::gui::SGUITTGlyph::createGlyphImage	(	const FT_Bitmap &	bits,
		video::IVideoDriver *	driver ) const

Creates the IImage object from the FT_Bitmap.

References errorstream, FATAL_ERROR, x, and y.

Referenced by preload().

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DISABLE_CLASS_COPY()

irr::gui::SGUITTGlyph::DISABLE_CLASS_COPY

(

SGUITTGlyph

)

isLoaded()

bool irr::gui::SGUITTGlyph::isLoaded ( ) const

inline

If true, the glyph has been loaded.

References source_rect.

Referenced by irr::gui::CGUITTFont::getGlyphIndexByChar().

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preload()

void irr::gui::SGUITTGlyph::preload	(	u32	char_index,
		FT_Face	face,
		CGUITTFont *	parent,
		u32	font_size,
		const FT_Int32	loadFlags )

Preload the glyph.

The preload process occurs when the program tries to cache the glyph from FT_Library. However, it simply defines the SGUITTGlyph's properties and will only create the page textures if necessary. The actual creation of the textures should only occur right before the batch draw call.

References advance, irr::gui::CGUITTGlyphPage::available_slots, createGlyphImage(), irr::gui::CGUITTFont::createGlyphPage(), irr::gui::CGUITTGlyphPage::dirty, irr::gui::CGUITTFont::getDriver(), irr::gui::CGUITTFont::getLastGlyphPage(), irr::gui::CGUITTFont::getLastGlyphPageIndex(), glyph_page, offset, source_rect, surface, irr::gui::CGUITTGlyphPage::texture, irr::gui::CGUITTGlyphPage::used_slots, and warningstream.

Referenced by irr::gui::CGUITTFont::getGlyphIndexByChar().

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unload()

void irr::gui::SGUITTGlyph::unload

(

)

Unloads the glyph.

References source_rect, and surface.

Referenced by ~SGUITTGlyph().

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Member Data Documentation

advance

core::vector2di irr::gui::SGUITTGlyph::advance

Glyph advance information.

Referenced by preload().

glyph_page

u32 irr::gui::SGUITTGlyph::glyph_page

The page the glyph is on.

Referenced by irr::gui::CGUITTFont::createTextureFromChar(), irr::gui::CGUITTFont::draw(), irr::gui::CGUITTFont::getGlyphIndexByChar(), and preload().

offset

core::vector2di irr::gui::SGUITTGlyph::offset

The offset of glyph when drawn.

Referenced by preload().

source_rect

core::recti irr::gui::SGUITTGlyph::source_rect

The source rectangle for the glyph.

Referenced by irr::gui::CGUITTFont::createTextureFromChar(), irr::gui::CGUITTFont::draw(), isLoaded(), preload(), unload(), and irr::gui::CGUITTGlyphPage::updateTexture().

surface

video::IImage* irr::gui::SGUITTGlyph::surface

mutable

This is just the temporary image holder.

After this glyph is paged, it will be dropped.

Referenced by preload(), unload(), and irr::gui::CGUITTGlyphPage::updateTexture().

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

• irrlicht_changes/CGUITTFont.h
• irrlicht_changes/CGUITTFont.cpp