/** Represents a set of actual arguments for a font. */ struct SkFontArguments { struct VariationPosition { struct Coordinate {
SkFourByteTag axis; float value;
}; const Coordinate* coordinates; int coordinateCount;
};
/** Specify a palette to use and overrides for palette entries. * * `overrides` is a list of pairs of palette entry index and color. * The overriden palette entries will use the associated color. * Override pairs with palette entry indices out of range will not be applied. * Later override entries override earlier ones.
*/ struct Palette { struct Override {
uint16_t index;
SkColor color;
}; int index; const Override* overrides; int overrideCount;
};
/** Specify the index of the desired font. * * Font formats like ttc, dfont, cff, cid, pfr, t42, t1, and fon may actually be indexed * collections of fonts.
*/
SkFontArguments& setCollectionIndex(int collectionIndex) {
fCollectionIndex = collectionIndex; return *this;
}
/** Specify a position in the variation design space. * * Any axis not specified will use the default value. * Any specified axis not actually present in the font will be ignored. * * @param position not copied. The value must remain valid for life of SkFontArguments.
*/
SkFontArguments& setVariationDesignPosition(VariationPosition position) {
fVariationDesignPosition.coordinates = position.coordinates;
fVariationDesignPosition.coordinateCount = position.coordinateCount; return *this;
}
int getCollectionIndex() const { return fCollectionIndex;
}
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