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-rw-r--r--gfx/2d/ScaledFontFontconfig.h91
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_
+#define MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_
+
+#include "ScaledFontBase.h"
+
+#include <cairo-ft.h>
+
+namespace mozilla {
+namespace gfx {
+
+class NativeFontResourceFontconfig;
+class UnscaledFontFontconfig;
+
+class ScaledFontFontconfig : public ScaledFontBase {
+ public:
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontFontconfig, override)
+ ScaledFontFontconfig(RefPtr<SharedFTFace>&& aFace, FcPattern* aPattern,
+ const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize);
+
+ FontType GetType() const override { return FontType::FONTCONFIG; }
+
+ SkTypeface* CreateSkTypeface() override;
+ void SetupSkFontDrawOptions(SkFont& aFont) override;
+
+ AntialiasMode GetDefaultAAMode() override;
+
+ bool UseSubpixelPosition() const override;
+
+ bool CanSerialize() override { return true; }
+
+ bool MayUseBitmaps() override;
+
+ bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;
+
+ bool GetWRFontInstanceOptions(
+ Maybe<wr::FontInstanceOptions>* aOutOptions,
+ Maybe<wr::FontInstancePlatformOptions>* aOutPlatformOptions,
+ std::vector<FontVariation>* aOutVariations) override;
+
+ bool HasVariationSettings() override;
+
+ protected:
+ cairo_font_face_t* CreateCairoFontFace(
+ cairo_font_options_t* aFontOptions) override;
+
+ private:
+ friend class NativeFontResourceFontconfig;
+ friend class UnscaledFontFontconfig;
+
+ struct InstanceData {
+ enum {
+ AUTOHINT = 1 << 0,
+ EMBEDDED_BITMAP = 1 << 1,
+ EMBOLDEN = 1 << 2,
+ HINT_METRICS = 1 << 3,
+ LCD_VERTICAL = 1 << 4,
+ SUBPIXEL_BGR = 1 << 5,
+ };
+
+ explicit InstanceData(FcPattern* aPattern);
+ InstanceData(const wr::FontInstanceOptions* aOptions,
+ const wr::FontInstancePlatformOptions* aPlatformOptions);
+
+ void SetupFontOptions(cairo_font_options_t* aFontOptions,
+ int* aOutLoadFlags,
+ unsigned int* aOutSynthFlags) const;
+
+ uint8_t mFlags;
+ AntialiasMode mAntialias;
+ FontHinting mHinting;
+ uint8_t mLcdFilter;
+ };
+
+ ScaledFontFontconfig(RefPtr<SharedFTFace>&& aFace,
+ const InstanceData& aInstanceData,
+ const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize);
+
+ RefPtr<SharedFTFace> mFace;
+ InstanceData mInstanceData;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif /* MOZILLA_GFX_SCALEDFONTFONTCONFIG_H_ */