/* -*- 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_SOURCESURFACESKIA_H_
#define MOZILLA_GFX_SOURCESURFACESKIA_H_
#include "2D.h"
#include "mozilla/Mutex.h"
#include "skia/include/core/SkRefCnt.h"
class SkImage;
class SkSurface;
namespace mozilla {
namespace gfx {
class DrawTargetSkia;
class SnapshotLock;
class SourceSurfaceSkia :
public DataSourceSurface {
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceSkia, override)
SourceSurfaceSkia();
virtual ~SourceSurfaceSkia();
SurfaceType GetType()
const override {
return SurfaceType::SKIA; }
IntSize GetSize()
const override;
SurfaceFormat GetFormat()
const override;
void GiveSurface(SkSurface* aSurface);
sk_sp<SkImage> GetImage(Maybe<MutexAutoLock>* aLock);
bool InitFromData(
unsigned char* aData,
const IntSize& aSize, int32_t aStride,
SurfaceFormat aFormat);
bool InitFromImage(
const sk_sp<SkImage>& aImage,
SurfaceFormat aFormat = SurfaceFormat::UNKNOWN,
DrawTargetSkia* aOwner = nullptr);
already_AddRefed<SourceSurface> ExtractSubrect(
const IntRect& aRect) override;
uint8_t* GetData() override;
/**
* The caller is responsible for ensuring aMappedSurface is not null.
*/
bool Map(MapType, MappedSurface* aMappedSurface) override;
void Unmap() override;
int32_t Stride() override {
return mStride; }
private:
friend class DrawTargetSkia;
void DrawTargetWillChange();
sk_sp<SkImage> mImage;
// This keeps a surface alive if needed because its DrawTarget has gone away.
sk_sp<SkSurface> mSurface;
SurfaceFormat mFormat;
IntSize mSize;
int32_t mStride;
Atomic<DrawTargetSkia*> mDrawTarget;
Mutex mChangeMutex MOZ_UNANNOTATED;
bool mIsMapped;
};
}
// namespace gfx
}
// namespace mozilla
#endif /* MOZILLA_GFX_SOURCESURFACESKIA_H_ */
