/* * Copyright 2017 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef SkFontArguments_DEFINED #define SkFontArguments_DEFINED #include "include/core/SkScalar.h" #include "include/core/SkTypes.h" /** Represents a set of actual arguments for a font. */ struct SkFontArguments { struct VariationPosition { struct Coordinate { SkFourByteTag axis; float value; }; const Coordinate* coordinates; int coordinateCount; }; // deprecated, use VariationPosition::Coordinate instead struct Axis { SkFourByteTag fTag; float fStyleValue; }; SkFontArguments() : fCollectionIndex(0), fVariationDesignPosition{nullptr, 0} {} /** 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; } // deprecated, use setVariationDesignPosition instead. SkFontArguments& setAxes(const Axis* axes, int axisCount) { fVariationDesignPosition.coordinates = reinterpret_cast<const VariationPosition::Coordinate*>(axes); fVariationDesignPosition.coordinateCount = axisCount; 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; } // deprecated, use getVariationDesignPosition instead. const Axis* getAxes(int* axisCount) const { *axisCount = fVariationDesignPosition.coordinateCount; return reinterpret_cast<const Axis*>(fVariationDesignPosition.coordinates); } VariationPosition getVariationDesignPosition() const { return fVariationDesignPosition; } private: int fCollectionIndex; VariationPosition fVariationDesignPosition; }; #endif