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convert MOZ_OVERRIDE override
convert MOZ_FINAL final
111 lines
3.4 KiB
C++
111 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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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 GFX_WINDOWSDWRITEFONTS_H
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#define GFX_WINDOWSDWRITEFONTS_H
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#include "mozilla/MemoryReporting.h"
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#include <dwrite.h>
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#include "gfxFont.h"
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#include "gfxUserFontSet.h"
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#include "cairo-win32.h"
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#include "nsDataHashtable.h"
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#include "nsHashKeys.h"
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/**
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* \brief Class representing a font face for a font entry.
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*/
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class gfxDWriteFont : public gfxFont
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{
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public:
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gfxDWriteFont(gfxFontEntry *aFontEntry,
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const gfxFontStyle *aFontStyle,
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bool aNeedsBold = false,
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AntialiasOption = kAntialiasDefault);
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~gfxDWriteFont();
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virtual gfxFont*
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CopyWithAntialiasOption(AntialiasOption anAAOption) override;
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virtual uint32_t GetSpaceGlyph() override;
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virtual bool SetupCairoFont(gfxContext *aContext) override;
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virtual bool AllowSubpixelAA() override
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{ return mAllowManualShowGlyphs; }
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bool IsValid() const;
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virtual gfxFloat GetAdjustedSize() const override {
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return mAdjustedSize;
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}
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IDWriteFontFace *GetFontFace();
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/* override Measure to add padding for antialiasing */
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virtual RunMetrics Measure(gfxTextRun *aTextRun,
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uint32_t aStart, uint32_t aEnd,
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BoundingBoxType aBoundingBoxType,
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gfxContext *aContextForTightBoundingBox,
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Spacing *aSpacing,
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uint16_t aOrientation) override;
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virtual bool ProvidesGlyphWidths() const override;
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virtual int32_t GetGlyphWidth(DrawTarget& aDrawTarget,
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uint16_t aGID) override;
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virtual mozilla::TemporaryRef<mozilla::gfx::GlyphRenderingOptions>
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GetGlyphRenderingOptions(const TextRunDrawParams* aRunParams = nullptr) override;
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virtual void AddSizeOfExcludingThis(mozilla::MallocSizeOf aMallocSizeOf,
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FontCacheSizes* aSizes) const;
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virtual void AddSizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf,
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FontCacheSizes* aSizes) const;
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virtual FontType GetType() const { return FONT_TYPE_DWRITE; }
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virtual mozilla::TemporaryRef<mozilla::gfx::ScaledFont>
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GetScaledFont(mozilla::gfx::DrawTarget *aTarget) override;
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virtual cairo_scaled_font_t *GetCairoScaledFont() override;
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protected:
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virtual const Metrics& GetHorizontalMetrics() override;
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bool GetFakeMetricsForArialBlack(DWRITE_FONT_METRICS *aFontMetrics);
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void ComputeMetrics(AntialiasOption anAAOption);
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bool HasBitmapStrikeForSize(uint32_t aSize);
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cairo_font_face_t *CairoFontFace();
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gfxFloat MeasureGlyphWidth(uint16_t aGlyph);
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DWRITE_MEASURING_MODE GetMeasuringMode();
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bool GetForceGDIClassic();
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nsRefPtr<IDWriteFontFace> mFontFace;
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cairo_font_face_t *mCairoFontFace;
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Metrics *mMetrics;
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// cache of glyph widths in 16.16 fixed-point pixels
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nsAutoPtr<nsDataHashtable<nsUint32HashKey,int32_t> > mGlyphWidths;
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uint32_t mSpaceGlyph;
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bool mNeedsOblique;
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bool mNeedsBold;
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bool mUseSubpixelPositions;
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bool mAllowManualShowGlyphs;
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bool mAzureScaledFontIsCairo;
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};
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#endif
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