gecko-dev/gfx/thebes/gfxFontVariations.h

42 lines
1.2 KiB
C

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_FONT_VARIATIONS_H
#define GFX_FONT_VARIATIONS_H
#include "mozilla/gfx/FontVariation.h"
#include "nsString.h"
#include "nsTArray.h"
typedef mozilla::gfx::FontVariation gfxFontVariation;
// Structure that describes a single axis of variation in an
// OpenType Variation or Multiple-Master font.
struct gfxFontVariationAxis {
uint32_t mTag;
nsCString mName; // may be empty
float mMinValue;
float mMaxValue;
float mDefaultValue;
};
// A single <axis, value> pair that may be applied to a variation font.
struct gfxFontVariationValue {
uint32_t mAxis;
float mValue;
};
// Structure that describes a named instance of a variation font:
// a name like "Light Condensed" or "Black Ultra Extended" etc.,
// and a list of the corresponding <variation-axis, value> pairs
// to be used.
struct gfxFontVariationInstance {
nsCString mName;
CopyableTArray<gfxFontVariationValue> mValues;
};
#endif