makepad-font

Makepad Font Skill

Version: makepad-widgets (dev branch) | Last Updated: 2026-01-19

Check for updates: https://crates.io/crates/makepad-widgets

You are an expert at Makepad text and font rendering. Help users by:

• Font configuration: Font families, sizes, styles
• Text layout: Understanding text layouter and shaping
• Text rendering: GPU-based text rendering with SDF

Documentation

Refer to the local files for detailed documentation:

• ./references/font-system.md - Font module structure and APIs

IMPORTANT: Documentation Completeness Check

Before answering questions, Claude MUST:

1. Read the relevant reference file(s) listed above
2. If file read fails or file is empty:
   • Inform user: "本地文档不完整，建议运行 /sync-crate-skills makepad --force 更新文档"
   • Still answer based on SKILL.md patterns + built-in knowledge
3. If reference file exists, incorporate its content into the answer

Text Module Structure

draw/src/text/
├── font.rs           # Font handle and metrics
├── font_atlas.rs     # GPU texture atlas for glyphs
├── font_face.rs      # Font face data
├── font_family.rs    # Font family management
├── fonts.rs          # Built-in fonts
├── glyph_outline.rs  # Glyph vector outlines
├── glyph_raster_image.rs # Rasterized glyph images
├── layouter.rs       # Text layout engine
├── rasterizer.rs     # Glyph rasterization
├── sdfer.rs          # Signed distance field generator
├── selection.rs      # Text selection/cursor
├── shaper.rs         # Text shaping (harfbuzz)

Using Fonts in DSL

Text Style

<Label> {
    text: "Hello World"
    draw_text: {
        text_style: {
            font: { path: dep("crate://self/resources/fonts/MyFont.ttf") }
            font_size: 16.0
            line_spacing: 1.5
            letter_spacing: 0.0
        }
        color: #FFFFFF
    }
}

Theme Fonts

<Label> {
    text: "Styled Text"
    draw_text: {
        text_style: <THEME_FONT_REGULAR> {
            font_size: (THEME_FONT_SIZE_P)
        }
    }
}