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-rw-r--r--gfx/2d/ScaledFontDWrite.h105
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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_SCALEDFONTDWRITE_H_
+#define MOZILLA_GFX_SCALEDFONTDWRITE_H_
+
+#include <dwrite.h>
+#include "DWriteSettings.h"
+#include "ScaledFontBase.h"
+
+struct ID2D1GeometrySink;
+struct gfxFontStyle;
+
+namespace mozilla {
+namespace gfx {
+
+class NativeFontResourceDWrite;
+class UnscaledFontDWrite;
+
+class ScaledFontDWrite final : public ScaledFontBase {
+ public:
+ MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontDWrite, override)
+ ScaledFontDWrite(IDWriteFontFace* aFontFace,
+ const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize,
+ bool aUseEmbeddedBitmap, bool aUseMultistrikeBold,
+ bool aGDIForced, const gfxFontStyle* aStyle);
+
+ FontType GetType() const override { return FontType::DWRITE; }
+
+ already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer& aBuffer,
+ const DrawTarget* aTarget) override;
+ void CopyGlyphsToBuilder(const GlyphBuffer& aBuffer, PathBuilder* aBuilder,
+ const Matrix* aTransformHint) override;
+
+ void CopyGlyphsToSink(const GlyphBuffer& aBuffer,
+ ID2D1SimplifiedGeometrySink* aSink);
+
+ 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;
+
+ DWriteSettings& DWriteSettings() const;
+
+ AntialiasMode GetDefaultAAMode() override;
+
+ bool UseEmbeddedBitmaps() const { return mUseEmbeddedBitmap; }
+ bool UseMultistrikeBold() const { return mUseMultistrikeBold; }
+ bool ForceGDIMode() const { return mGDIForced; }
+
+ bool UseSubpixelPosition() const override { return !ForceGDIMode(); }
+
+ bool HasBoldSimulation() const {
+ return (mFontFace->GetSimulations() & DWRITE_FONT_SIMULATIONS_BOLD) != 0;
+ }
+
+ bool HasVariationSettings() override;
+
+ SkTypeface* CreateSkTypeface() override;
+ void SetupSkFontDrawOptions(SkFont& aFont) override;
+ SkFontStyle mStyle;
+
+ RefPtr<IDWriteFontFace> mFontFace;
+ bool mUseEmbeddedBitmap;
+ bool mUseMultistrikeBold = false;
+ bool mGDIForced = false;
+
+ cairo_font_face_t* CreateCairoFontFace(
+ cairo_font_options_t* aFontOptions) override;
+ void PrepareCairoScaledFont(cairo_scaled_font_t* aFont) override;
+
+ private:
+ friend class NativeFontResourceDWrite;
+ friend class UnscaledFontDWrite;
+
+ struct InstanceData {
+ explicit InstanceData(ScaledFontDWrite* aScaledFont)
+ : mUseEmbeddedBitmap(aScaledFont->mUseEmbeddedBitmap),
+ mUseBoldSimulation(aScaledFont->HasBoldSimulation()),
+ mUseMultistrikeBold(aScaledFont->UseMultistrikeBold()),
+ mGDIForced(aScaledFont->mGDIForced) {}
+
+ InstanceData(const wr::FontInstanceOptions* aOptions,
+ const wr::FontInstancePlatformOptions* aPlatformOptions);
+
+ bool mUseEmbeddedBitmap = false;
+ bool mUseBoldSimulation = false;
+ bool mUseMultistrikeBold = false;
+ bool mGDIForced = false;
+ };
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif /* MOZILLA_GFX_SCALEDFONTDWRITE_H_ */