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c25b3b246f
See comments in the bug for reasoning. macOS hasn't used subpixel AA for quite a while. Emulating this macOS AA on vibrant backgrounds was the only point of this feature. This allows to simplify the WebRender code quite a bit, too. Differential Revision: https://phabricator.services.mozilla.com/D192311
99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_SCALEDFONTMAC_H_
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#define MOZILLA_GFX_SCALEDFONTMAC_H_
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#ifdef MOZ_WIDGET_COCOA
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# include <ApplicationServices/ApplicationServices.h>
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#else
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# include <CoreGraphics/CoreGraphics.h>
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# include <CoreText/CoreText.h>
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#endif
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#include "2D.h"
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#include "ScaledFontBase.h"
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namespace mozilla {
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namespace gfx {
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// Utility to create a CTFont from a CGFont, copying any variations that were
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// set on the original CGFont, and applying additional attributes from aDesc
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// (which may be NULL).
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// Exposed here because it is also used by gfxMacFont and gfxCoreTextShaper.
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CTFontRef CreateCTFontFromCGFontWithVariations(
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CGFontRef aCGFont, CGFloat aSize, bool aInstalledFont,
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CTFontDescriptorRef aFontDesc = nullptr);
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class UnscaledFontMac;
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class ScaledFontMac : public ScaledFontBase {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontMac, override)
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ScaledFontMac(CGFontRef aFont, const RefPtr<UnscaledFont>& aUnscaledFont,
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Float aSize, bool aOwnsFont = false,
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bool aUseFontSmoothing = true, bool aApplySyntheticBold = false,
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bool aHasColorGlyphs = false);
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ScaledFontMac(CTFontRef aFont, const RefPtr<UnscaledFont>& aUnscaledFont,
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bool aUseFontSmoothing = true, bool aApplySyntheticBold = false,
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bool aHasColorGlyphs = false);
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~ScaledFontMac();
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FontType GetType() const override { return FontType::MAC; }
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SkTypeface* CreateSkTypeface() override;
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void SetupSkFontDrawOptions(SkFont& aFont) override;
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already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer& aBuffer,
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const DrawTarget* aTarget) override;
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bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;
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bool GetWRFontInstanceOptions(
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Maybe<wr::FontInstanceOptions>* aOutOptions,
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Maybe<wr::FontInstancePlatformOptions>* aOutPlatformOptions,
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std::vector<FontVariation>* aOutVariations) override;
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bool CanSerialize() override { return true; }
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bool MayUseBitmaps() override { return mHasColorGlyphs; }
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bool UseSubpixelPosition() const override { return true; }
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cairo_font_face_t* CreateCairoFontFace(
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cairo_font_options_t* aFontOptions) override;
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private:
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friend class DrawTargetSkia;
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friend class UnscaledFontMac;
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CGFontRef mFont;
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CTFontRef
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mCTFont; // only created if CTFontDrawGlyphs is available, otherwise null
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bool mUseFontSmoothing;
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bool mApplySyntheticBold;
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bool mHasColorGlyphs;
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struct InstanceData {
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explicit InstanceData(ScaledFontMac* aScaledFont)
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: mUseFontSmoothing(aScaledFont->mUseFontSmoothing),
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mApplySyntheticBold(aScaledFont->mApplySyntheticBold),
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mHasColorGlyphs(aScaledFont->mHasColorGlyphs) {}
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InstanceData(const wr::FontInstanceOptions* aOptions,
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const wr::FontInstancePlatformOptions* aPlatformOptions);
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bool mUseFontSmoothing;
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bool mApplySyntheticBold;
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bool mHasColorGlyphs;
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};
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_SCALEDFONTMAC_H_ */
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