Source code

Revision control

Other Tools

/* -*- 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 "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* aFont,
const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize)
: ScaledFontBase(aUnscaledFont, aSize),
mFontFace(aFont),
mUseEmbeddedBitmap(false),
mRenderingMode(DWRITE_RENDERING_MODE_DEFAULT),
mGamma(2.2f),
mContrast(1.0f),
mClearTypeLevel(1.0f) {}
ScaledFontDWrite(IDWriteFontFace* aFontFace,
const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize,
bool aUseEmbeddedBitmap,
DWRITE_RENDERING_MODE aRenderingMode,
IDWriteRenderingParams* aParams, Float aGamma,
Float aContrast, Float aClearTypeLevel,
const gfxFontStyle* aStyle = nullptr);
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 GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;
bool GetWRFontInstanceOptions(
Maybe<wr::FontInstanceOptions>* aOutOptions,
Maybe<wr::FontInstancePlatformOptions>* aOutPlatformOptions,
std::vector<FontVariation>* aOutVariations) override;
AntialiasMode GetDefaultAAMode() override;
bool UseEmbeddedBitmaps() const { return mUseEmbeddedBitmap; }
bool ForceGDIMode() const {
return mRenderingMode == DWRITE_RENDERING_MODE_GDI_CLASSIC;
}
DWRITE_RENDERING_MODE GetRenderingMode() const { return mRenderingMode; }
bool HasSyntheticBold() const {
return (mFontFace->GetSimulations() & DWRITE_FONT_SIMULATIONS_BOLD) != 0;
}
#ifdef USE_SKIA
SkTypeface* CreateSkTypeface() override;
void SetupSkFontDrawOptions(SkFont& aFont) override;
SkFontStyle mStyle;
#endif
RefPtr<IDWriteFontFace> mFontFace;
bool mUseEmbeddedBitmap;
DWRITE_RENDERING_MODE mRenderingMode;
// DrawTargetD2D1 requires the IDWriteRenderingParams,
// but we also separately need to store the gamma and contrast
// since Skia needs to be able to access these without having
// to use the full set of DWrite parameters (which would be
// required to recreate an IDWriteRenderingParams) in a
// DrawTargetRecording playback.
RefPtr<IDWriteRenderingParams> mParams;
Float mGamma;
Float mContrast;
Float mClearTypeLevel;
#ifdef USE_CAIRO_SCALED_FONT
cairo_font_face_t* CreateCairoFontFace(
cairo_font_options_t* aFontOptions) override;
void PrepareCairoScaledFont(cairo_scaled_font_t* aFont) override;
#endif
private:
friend class NativeFontResourceDWrite;
friend class UnscaledFontDWrite;
struct InstanceData {
explicit InstanceData(ScaledFontDWrite* aScaledFont)
: mUseEmbeddedBitmap(aScaledFont->mUseEmbeddedBitmap),
mApplySyntheticBold(aScaledFont->HasSyntheticBold()),
mRenderingMode(aScaledFont->mRenderingMode),
mGamma(aScaledFont->mGamma),
mContrast(aScaledFont->mContrast),
mClearTypeLevel(aScaledFont->mClearTypeLevel) {}
InstanceData(const wr::FontInstanceOptions* aOptions,
const wr::FontInstancePlatformOptions* aPlatformOptions);
bool mUseEmbeddedBitmap;
bool mApplySyntheticBold;
DWRITE_RENDERING_MODE mRenderingMode;
Float mGamma;
Float mContrast;
Float mClearTypeLevel;
};
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_SCALEDFONTDWRITE_H_ */