Ziele Untersuchung
mit Columbo Integrität von
Datenbanken Interaktion und
Portierbarkeit Ergonomie der
Schnittstellen

Angebot Produkte Projekt Beratung

Mittel Analytik Modellierung Sprachen Algebra Logik Hardware Denken Kreativität

Zusammenhänge Gesellschaft Wirtschaft Branche Firma


products/sources/formale Sprachen/C/Firefox/gfx/2d/ (Browser von der Mozilla Stiftung Version 136.0.1^©) Datei vom 10.2.2025 mit Größe 4 kB

Quelle SourceSurfaceRawData.h Sprache: 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_GFX_SOURCESURFACERAWDATA_H_
#define MOZILLA_GFX_SOURCESURFACERAWDATA_H_

#include "2D.h"
#include "Tools.h"
#include "mozilla/Atomics.h"

namespace mozilla {
namespace gfx {

class SourceSurfaceMappedData final : public DataSourceSurface {
public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(SourceSurfaceMappedData, final)

  SourceSurfaceMappedData(ScopedMap&& aMap, const IntSize& aSize,
                          SurfaceFormat aFormat)
      : mMap(std::move(aMap)), mSize(aSize), mFormat(aFormat) {}

  ~SourceSurfaceMappedData() final = default;

  uint8_t* GetData() final { return mMap.GetData(); }
  int32_t Stride() final { return mMap.GetStride(); }

  SurfaceType GetType() const final { return SurfaceType::DATA_MAPPED; }
  IntSize GetSize() const final { return mSize; }
  SurfaceFormat GetFormat() const final { return mFormat; }

  void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
                           SizeOfInfo& aInfo) const override {
    aInfo.AddType(SurfaceType::DATA_MAPPED);
    mMap.GetSurface()->SizeOfExcludingThis(aMallocSizeOf, aInfo);
  }

  const DataSourceSurface* GetScopedSurface() const {
    return mMap.GetSurface();
  }

private:
  ScopedMap mMap;
  IntSize mSize;
  SurfaceFormat mFormat;
};

class SourceSurfaceRawData : public DataSourceSurface {
public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceRawData, override)

  SourceSurfaceRawData()
      : mRawData(0),
        mStride(0),
        mFormat(SurfaceFormat::UNKNOWN),
        mDeallocator(nullptr),
        mClosure(nullptr) {}

  virtual ~SourceSurfaceRawData() {
    if (mDeallocator) {
      mDeallocator(mClosure);
    }
  }

  virtual uint8_t* GetData() override { return mRawData; }
  virtual int32_t Stride() override { return mStride; }

  virtual SurfaceType GetType() const override { return SurfaceType::DATA; }
  virtual IntSize GetSize() const override { return mSize; }
  virtual SurfaceFormat GetFormat() const override { return mFormat; }

  void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
                           SizeOfInfo& aInfo) const override;

private:
  friend class Factory;

  // If we have a custom deallocator, the |aData| will be released using the
  // custom deallocator and |aClosure| in dtor.  The assumption is that the
  // caller will check for valid size and stride before making this call.
  void InitWrappingData(unsigned char* aData, const IntSize& aSize,
                        int32_t aStride, SurfaceFormat aFormat,
                        Factory::SourceSurfaceDeallocator aDeallocator,
                        void* aClosure);

  uint8_t* mRawData;
  int32_t mStride;
  SurfaceFormat mFormat;
  IntSize mSize;

  Factory::SourceSurfaceDeallocator mDeallocator;
  void* mClosure;
};

class SourceSurfaceAlignedRawData : public DataSourceSurface {
public:
  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(DataSourceSurfaceAlignedRawData,
                                          override)
  SourceSurfaceAlignedRawData();
  virtual ~SourceSurfaceAlignedRawData() override;

  bool Init(const IntSize& aSize, SurfaceFormat aFormat, bool aClearMem,
            uint8_t aClearValue, int32_t aStride = 0);

  uint8_t* GetData() override { return mArray; }
  int32_t Stride() override { return mStride; }

  SurfaceType GetType() const override { return SurfaceType::DATA_ALIGNED; }
  IntSize GetSize() const override { return mSize; }
  SurfaceFormat GetFormat() const override { return mFormat; }

  void SizeOfExcludingThis(MallocSizeOf aMallocSizeOf,
                           SizeOfInfo& aInfo) const override;

private:
  friend class Factory;

  AlignedArray<uint8_t> mArray;
  int32_t mStride;
  SurfaceFormat mFormat;
  IntSize mSize;

  static void RegisterMemoryReporter();
};

}  // namespace gfx
}  // namespace mozilla

#endif /* MOZILLA_GFX_SOURCESURFACERAWDATA_H_ */

quality100%

¤ Dauer der Verarbeitung: 0.13 Sekunden (vorverarbeitet) ¤

Wurzel

Suchen

Beweissystem der NASA

Beweissystem Isabelle

NIST Cobol Testsuite

Cephes Mathematical Library

Wiener Entwicklungsmethode

Haftungshinweis

Die Informationen auf dieser Webseite wurden nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit, noch Qualität der bereit gestellten Informationen zugesichert.