# `GSGlyph isAppleColorGlyph`

*Instance Method*

Whether any layer is an Apple bitmap color layer.

## Declaration

```swift
func isAppleColorGlyph() -> Bool
```

```objc
- (BOOL) isAppleColorGlyph;
```

```python
isAppleColorGlyph() -> bool
```

## Discussion

Apple bitmap color layers contribute images to an OpenType `sbix` table.

## See Also

### Color Glyphs

- [`GSGlyph isAnyColorGlyph`](/Core/GlyphsCore/GSGlyph/isAnyColorGlyph) — Whether any layer uses a color-layer format.
- [`GSGlyph isFullColorGlyph`](/Core/GlyphsCore/GSGlyph/isFullColorGlyph) — Whether any layer is a full-color layer.
- [`GSGlyph isColorPaletteGlyph`](/Core/GlyphsCore/GSGlyph/isColorPaletteGlyph) — Whether any layer is a palette color layer.
- [`GSGlyph isSVGColorGlyph`](/Core/GlyphsCore/GSGlyph/isSVGColorGlyph) — Whether any layer is an SVG color layer.