oa::TextAtlas

Manages the device-side coverage atlas and the glyph metadata table.

ClC++ public headers

Public Methods

oa::U32 oa::TextAtlas::atlasBindlessIndex(FontId inFont)

oa::F32 oa::TextAtlas::atlasHeight()

oa::F32 oa::TextAtlas::atlasWidth()

const GlyphInfo * oa::TextAtlas::findGlyph(FontId inFont, oa::U32 inCodepoint, oa::F32 inPixelSize)

oa::Status oa::TextAtlas::init(oa::Engine & inRt)

oa::F32 oa::TextAtlas::pxRange()

Constructor & Destructor Documentation

oa::TextAtlas::TextAtlas()

No public source comment is attached to this declaration.

void oa::TextAtlas::~TextAtlas()

No public source comment is attached to this declaration.

Public Method Documentation

oa::U32 oa::TextAtlas::atlasBindlessIndex(
	FontId inFont
)

No public source comment is attached to this declaration.

Parameters

inFont

FontId

—

Returns

oa::U32

The declared return value.

oa::F32 oa::TextAtlas::atlasHeight()

No public source comment is attached to this declaration.

Returns

oa::F32

The declared return value.

oa::F32 oa::TextAtlas::atlasWidth()

No public source comment is attached to this declaration.

Returns

oa::F32

The declared return value.

const GlyphInfo * oa::TextAtlas::findGlyph(
	FontId inFont,
	oa::U32 inCodepoint,
	oa::F32 inPixelSize
)

Selects the nearest generated physical-pixel strike. Returns nullptr for unmapped codepoints or an invalid font/size.

Parameters

inFont

FontId

—

inCodepoint

oa::U32

—

inPixelSize

oa::F32

—

Returns

const GlyphInfo *

The declared return value.

oa::Status oa::TextAtlas::init(
	oa::Engine & inRt
)

No public source comment is attached to this declaration.

Parameters

inRt

oa::Engine &

—

Returns

oa::Status

The declared return value.

oa::F32 oa::TextAtlas::pxRange()

Zero identifies direct grayscale coverage to the shared glyph shader; positive values remain reserved for a future SDF lowering.

Returns

oa::F32

The declared return value.