Font

Font module provides functions to parse font file, extract glyph shape and render glyph bitmap using CPU.

Types

• Luna::Font::IFontFile

  Represents a font file that may contain one or multiple fonts.

Alias types

• using glyph_t = i32

  The index type of one font glyph.

Constants

• constexpr glyph_t INVALID_GLYPH

  A special index value that identifies one invalid glyph.

• constexpr i16 COMMAND_MOVE_TO

  The command value that starts a new contour, followed by two data points: x, y.

• constexpr i16 COMMAND_LINE_TO

  The command value that draws a line to the specified point, followed by two data points: x, y.

• constexpr i16 COMMAND_CURVE_TO

  The command value that draws a Quadratic Belzier curve to the specified point, followed by four data points: cx, cy, x, y.

Functions

• R< Ref< IFontFile > > load_ttf_font_file(const byte_t *data, usize data_size)

  Creates a font file object by parsing the provided TTF or TTC font file data.

• IFontFile * get_default_font()

  Gets the default font object, which is embedded into the SDK and only supports for ASCII codepoint range.