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feat: add scaling methods to the Theme #80

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Merged
bchelkowski merged 1 commit into from
Jul 15, 2026
Merged

feat: add scaling methods to the Theme #80

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25 changes: 21 additions & 4 deletions docs/theme.md
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Original file line number Diff line number Diff line change
Expand Up @@ -33,8 +33,25 @@ Now you can use the facade:

```brightscript
theme = ThemeFacade()
theme.getFont("regular") ' It corresponds to the font name defined in the getMyTheme function.
theme.getFontUri("regular")' It is the same as getFont but returns uri
theme.rgba("0x00000000", 0.8) ' 1 represents "FF" and 0 - "00". All other values are between them.
theme.colors.white ' Other data that is passed to theme node
theme.getFont("regular", 28) ' It corresponds to the font name defined in the getMyTheme function.
theme.getScaledFont("regular", 28) ' Scales font size using current resolution and FHD baseline
theme.getFontUri("regular") ' It is the same as getFont but returns uri
theme.scaleX(320) ' Scales value against resolution width / 1920
theme.scaleY(180) ' Scales value against resolution height / 1080
theme.scaleUniform(48) ' Uses smaller of X/Y scale
size = theme.scaleSize([320, 180]) ' Returns [scaledWidth, scaledHeight]
theme.rgba("0x00000000", 0.8) ' 1 represents "FF" and 0 - "00". All other values are between them.
theme.colors.white ' Other data that is passed to theme node
```

Built-in helpers use `theme.resolution.width` and `theme.resolution.height` if present. Missing resolution falls back to the FHD baseline `1920x1080`, so existing apps keep current behaviour until they opt in.

Available built-in helpers:
- `getFont(fontName as String, sizeInPixels as Integer) as Object`
- `getScaledFont(fontName as String, sizeInPixels as Float, mode = "uniform" as String) as Object`
- `getFontUri(fontName as String) as String`
- `scaleX(value as Float) as Integer`
- `scaleY(value as Float) as Integer`
- `scaleUniform(value as Float) as Integer`
- `scaleSize(size as Object) as Object`
- `rgba(color as String, opacity as Float) as String`
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