1c7f164311
This allows us to skip additional font registration in content processes, as it ensures consistent resolution of the font descriptor even when there are multiple font resources with the same psname present. Differential Revision: https://phabricator.services.mozilla.com/D195418
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_UNSCALEDFONTMAC_H_
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#define MOZILLA_GFX_UNSCALEDFONTMAC_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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namespace mozilla {
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namespace gfx {
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class UnscaledFontMac final : public UnscaledFont {
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(UnscaledFontMac, override)
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explicit UnscaledFontMac(CGFontRef aFont, bool aIsDataFont = false)
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: mFont(aFont), mIsDataFont(aIsDataFont) {
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CFRetain(mFont);
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}
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explicit UnscaledFontMac(CTFontDescriptorRef aFontDesc, CGFontRef aFont,
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bool aIsDataFont = false)
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: mFontDesc(aFontDesc), mFont(aFont), mIsDataFont(aIsDataFont) {
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CFRetain(mFontDesc);
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CFRetain(mFont);
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}
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virtual ~UnscaledFontMac() {
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if (mCTAxesCache) {
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CFRelease(mCTAxesCache);
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}
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if (mCGAxesCache) {
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CFRelease(mCGAxesCache);
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}
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if (mFontDesc) {
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CFRelease(mFontDesc);
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}
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if (mFont) {
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CFRelease(mFont);
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}
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}
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FontType GetType() const override { return FontType::MAC; }
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CGFontRef GetFont() const { return mFont; }
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bool GetFontFileData(FontFileDataOutput aDataCallback, void* aBaton) override;
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bool IsDataFont() const { return mIsDataFont; }
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already_AddRefed<ScaledFont> CreateScaledFont(
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Float aGlyphSize, const uint8_t* aInstanceData,
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uint32_t aInstanceDataLength, const FontVariation* aVariations,
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uint32_t aNumVariations) override;
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already_AddRefed<ScaledFont> CreateScaledFontFromWRFont(
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Float aGlyphSize, const wr::FontInstanceOptions* aOptions,
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const wr::FontInstancePlatformOptions* aPlatformOptions,
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const FontVariation* aVariations, uint32_t aNumVariations) override;
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static CGFontRef CreateCGFontWithVariations(CGFontRef aFont,
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CFArrayRef& aCGAxesCache,
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CFArrayRef& aCTAxesCache,
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uint32_t aVariationCount,
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const FontVariation* aVariations);
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// Generate a font descriptor to send to WebRender. The descriptor consists
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// of a string that concatenates the PostScript name of the font and the path
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// to the font file, and an "index" that indicates the length of the psname
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// part of the string (= starting offset of the path).
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bool GetFontDescriptor(FontDescriptorOutput aCb, void* aBaton) override;
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CFArrayRef& CGAxesCache() { return mCGAxesCache; }
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CFArrayRef& CTAxesCache() { return mCTAxesCache; }
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static already_AddRefed<UnscaledFont> CreateFromFontDescriptor(
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const uint8_t* aData, uint32_t aDataLength, uint32_t aIndex);
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private:
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CTFontDescriptorRef mFontDesc = nullptr;
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CGFontRef mFont = nullptr;
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CFArrayRef mCGAxesCache = nullptr; // Cached arrays of variation axis details
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CFArrayRef mCTAxesCache = nullptr;
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bool mIsDataFont;
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_UNSCALEDFONTMAC_H_ */
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