gecko-dev/gfx/2d/InlineTranslator.h

168 строки
4.3 KiB
C++

/* -*- 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_layout_InlineTranslator_h
#define mozilla_layout_InlineTranslator_h
#include <istream>
#include "mozilla/gfx/2D.h"
#include "mozilla/gfx/Filters.h"
#include "mozilla/gfx/RecordedEvent.h"
#include "nsRefPtrHashtable.h"
namespace mozilla {
namespace gfx {
using gfx::Translator;
using gfx::ReferencePtr;
using gfx::DrawTarget;
using gfx::Path;
using gfx::SourceSurface;
using gfx::FilterNode;
using gfx::GradientStops;
using gfx::ScaledFont;
using gfx::NativeFontResource;
class InlineTranslator final : public Translator
{
public:
explicit InlineTranslator(DrawTarget* aDT, Matrix aMatrix);
bool TranslateRecording(std::istream& aRecording);
DrawTarget* LookupDrawTarget(ReferencePtr aRefPtr) final
{
return mBaseDT;
}
Path* LookupPath(ReferencePtr aRefPtr) final
{
Path* result = mPaths.GetWeak(aRefPtr);
MOZ_ASSERT(result);
return result;
}
SourceSurface* LookupSourceSurface(ReferencePtr aRefPtr) final
{
SourceSurface* result = mSourceSurfaces.GetWeak(aRefPtr);
MOZ_ASSERT(result);
return result;
}
FilterNode* LookupFilterNode(ReferencePtr aRefPtr) final
{
FilterNode* result = mFilterNodes.GetWeak(aRefPtr);
MOZ_ASSERT(result);
return result;
}
GradientStops* LookupGradientStops(ReferencePtr aRefPtr) final
{
GradientStops* result = mGradientStops.GetWeak(aRefPtr);
MOZ_ASSERT(result);
return result;
}
ScaledFont* LookupScaledFont(ReferencePtr aRefPtr) final
{
ScaledFont* result = mScaledFonts.GetWeak(aRefPtr);
MOZ_ASSERT(result);
return result;
}
NativeFontResource* LookupNativeFontResource(uint64_t aKey) final
{
NativeFontResource* result = mNativeFontResources.GetWeak(aKey);
MOZ_ASSERT(result);
return result;
}
void AddDrawTarget(ReferencePtr aRefPtr, DrawTarget *aDT) final { }
void AddPath(ReferencePtr aRefPtr, Path *aPath) final
{
mPaths.Put(aRefPtr, aPath);
}
void AddSourceSurface(ReferencePtr aRefPtr, SourceSurface *aSurface) final
{
mSourceSurfaces.Put(aRefPtr, aSurface);
}
void AddFilterNode(ReferencePtr aRefPtr, FilterNode *aFilter) final
{
mFilterNodes.Put(aRefPtr, aFilter);
}
void AddGradientStops(ReferencePtr aRefPtr, GradientStops *aStops) final
{
mGradientStops.Put(aRefPtr, aStops);
}
void AddScaledFont(ReferencePtr aRefPtr, ScaledFont *aScaledFont) final
{
mScaledFonts.Put(aRefPtr, aScaledFont);
}
void AddNativeFontResource(uint64_t aKey,
NativeFontResource *aScaledFontResouce) final
{
mNativeFontResources.Put(aKey, aScaledFontResouce);
}
void RemoveDrawTarget(ReferencePtr aRefPtr) final { }
void RemovePath(ReferencePtr aRefPtr) final
{
mPaths.Remove(aRefPtr);
}
void RemoveSourceSurface(ReferencePtr aRefPtr) final
{
mSourceSurfaces.Remove(aRefPtr);
}
void RemoveFilterNode(ReferencePtr aRefPtr) final
{
mFilterNodes.Remove(aRefPtr);
}
void RemoveGradientStops(ReferencePtr aRefPtr) final
{
mGradientStops.Remove(aRefPtr);
}
void RemoveScaledFont(ReferencePtr aRefPtr) final
{
mScaledFonts.Remove(aRefPtr);
}
already_AddRefed<DrawTarget> CreateDrawTarget(ReferencePtr aRefPtr,
const gfx::IntSize &aSize,
gfx::SurfaceFormat aFormat) final;
mozilla::gfx::DrawTarget* GetReferenceDrawTarget() final { return mBaseDT; }
mozilla::gfx::FontType GetDesiredFontType() final;
private:
RefPtr<DrawTarget> mBaseDT;
Matrix mBaseTransform;
nsRefPtrHashtable<nsPtrHashKey<void>, Path> mPaths;
nsRefPtrHashtable<nsPtrHashKey<void>, SourceSurface> mSourceSurfaces;
nsRefPtrHashtable<nsPtrHashKey<void>, FilterNode> mFilterNodes;
nsRefPtrHashtable<nsPtrHashKey<void>, GradientStops> mGradientStops;
nsRefPtrHashtable<nsPtrHashKey<void>, ScaledFont> mScaledFonts;
nsRefPtrHashtable<nsUint64HashKey, NativeFontResource> mNativeFontResources;
};
} // namespace gfx
} // namespace mozilla
#endif // mozilla_layout_InlineTranslator_h