Module: graphics.font.text

Source: ./graphics/font/text.reef

Overview

graphics/font/text.reef - Text layout Part of reef-stdlib graphics module

This module provides text layout functionality for positioning glyphs and handling text wrapping, alignment, and hit testing.

Types

PositionedGlyph

Fields:

Name	Type
`glyph_idx`	`int`
`x`	`float`
`y`	`float`
`advance_x`	`float`
`char_idx`	`int`

TextLayout

Fields:

Name	Type
`source_text`	`string`
`glyphs`	`[PositionedGlyph]`
`width`	`float`
`height`	`float`
`num_lines`	`int`
`line_height`	`float`

Functions

`fn glyph_index(g: PositionedGlyph): int`

`fn glyph_x(g: PositionedGlyph): float`

`fn glyph_y(g: PositionedGlyph): float`

`fn glyph_advance(g: PositionedGlyph): float`

`fn glyph_char_index(g: PositionedGlyph): int`

`fn text_layout_text(layout: TextLayout): string`

`fn text_layout_glyphs(layout: TextLayout): [PositionedGlyph]`

`fn text_layout_width(layout: TextLayout): float`

`fn text_layout_height(layout: TextLayout): float`

`fn layout_text_bitmap(text: string, f: bitmap.BitmapFont, size: float): TextLayout`

Layout text on a single line using a BitmapFont

`fn layout_text_wrapped_bitmap(text: string, f: bitmap.BitmapFont, size: float, max_width: float): TextLayout`

Layout text with word wrapping using a BitmapFont

`fn text_bounds(layout: TextLayout): core.Rect`

`fn line_count(layout: TextLayout): int`

`fn hit_test(layout: TextLayout, x: float, y: float): int`

Hit test: find character index at position (x, y) Returns -1 if outside layout bounds

`fn char_to_int(c: char): int`

Convert char to codepoint (ASCII)

`fn layout_text_ttf(text: string, f: ttf.TTFFont, size: float): TextLayout`

Layout text on a single line using a TTFFont

`fn layout_text_wrapped_ttf(text: string, f: ttf.TTFFont, size: float, max_width: float): TextLayout`

Layout text with word wrapping using a TTFFont

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