1 files changed, 41 insertions, 0 deletions
diff --git a/gfx/thebes/gfxFontVariations.h b/gfx/thebes/gfxFontVariations.h
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+++ b/gfx/thebes/gfxFontVariations.h
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+/* -*- 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