当前位置: 首页>>代码示例>>C++>>正文


C++ Image::DeprecatedGetAsSurface方法代码示例

本文整理汇总了C++中Image::DeprecatedGetAsSurface方法的典型用法代码示例。如果您正苦于以下问题:C++ Image::DeprecatedGetAsSurface方法的具体用法?C++ Image::DeprecatedGetAsSurface怎么用?C++ Image::DeprecatedGetAsSurface使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Image的用法示例。


在下文中一共展示了Image::DeprecatedGetAsSurface方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: autoLock

bool
DeprecatedImageClientSingle::UpdateImage(ImageContainer* aContainer,
                               uint32_t aContentFlags)
{
  AutoLockImage autoLock(aContainer);

  Image *image = autoLock.GetImage();
  if (!image) {
    return false;
  }

  if (mLastPaintedImageSerial == image->GetSerial()) {
    return true;
  }

  if (image->GetFormat() == ImageFormat::PLANAR_YCBCR &&
      EnsureDeprecatedTextureClient(TEXTURE_YCBCR)) {
    PlanarYCbCrImage* ycbcr = static_cast<PlanarYCbCrImage*>(image);

    if (ycbcr->AsDeprecatedSharedPlanarYCbCrImage()) {
      AutoLockDeprecatedTextureClient lock(mDeprecatedTextureClient);

      SurfaceDescriptor sd;
      if (!ycbcr->AsDeprecatedSharedPlanarYCbCrImage()->ToSurfaceDescriptor(sd)) {
        return false;
      }

      if (IsSurfaceDescriptorValid(*lock.GetSurfaceDescriptor())) {
        GetForwarder()->DestroySharedSurface(lock.GetSurfaceDescriptor());
      }

      *lock.GetSurfaceDescriptor() = sd;
    } else {
      AutoLockYCbCrClient clientLock(mDeprecatedTextureClient);

      if (!clientLock.Update(ycbcr)) {
        NS_WARNING("failed to update DeprecatedTextureClient (YCbCr)");
        return false;
      }
    }
  } else if (image->GetFormat() == ImageFormat::SHARED_TEXTURE &&
             EnsureDeprecatedTextureClient(TEXTURE_SHARED_GL_EXTERNAL)) {
    SharedTextureImage* sharedImage = static_cast<SharedTextureImage*>(image);
    const SharedTextureImage::Data *data = sharedImage->GetData();

    SharedTextureDescriptor texture(data->mShareType,
                                    data->mHandle,
                                    data->mSize,
                                    data->mInverted);
    mDeprecatedTextureClient->SetDescriptor(SurfaceDescriptor(texture));
  } else if (image->GetFormat() == ImageFormat::SHARED_RGB &&
             EnsureDeprecatedTextureClient(TEXTURE_SHMEM)) {
    nsIntRect rect(0, 0,
                   image->GetSize().width,
                   image->GetSize().height);
    UpdatePictureRect(rect);

    AutoLockDeprecatedTextureClient lock(mDeprecatedTextureClient);

    SurfaceDescriptor desc;
    if (!static_cast<DeprecatedSharedRGBImage*>(image)->ToSurfaceDescriptor(desc)) {
      return false;
    }
    mDeprecatedTextureClient->SetDescriptor(desc);
#ifdef MOZ_WIDGET_GONK
  } else if (image->GetFormat() == ImageFormat::GRALLOC_PLANAR_YCBCR) {
    EnsureDeprecatedTextureClient(TEXTURE_SHARED_GL_EXTERNAL);

    nsIntRect rect(0, 0,
                   image->GetSize().width,
                   image->GetSize().height);
    UpdatePictureRect(rect);

    AutoLockDeprecatedTextureClient lock(mDeprecatedTextureClient);

    SurfaceDescriptor desc = static_cast<GrallocImage*>(image)->GetSurfaceDescriptor();
    if (!IsSurfaceDescriptorValid(desc)) {
      return false;
    }
    mDeprecatedTextureClient->SetDescriptor(desc);
#endif
  } else {
    nsRefPtr<gfxASurface> surface = image->DeprecatedGetAsSurface();
    MOZ_ASSERT(surface);

    EnsureDeprecatedTextureClient(TEXTURE_SHMEM);
    MOZ_ASSERT(mDeprecatedTextureClient, "Failed to create texture client");

    AutoLockShmemClient clientLock(mDeprecatedTextureClient);
    if (!clientLock.Update(image, aContentFlags, surface)) {
      NS_WARNING("failed to update DeprecatedTextureClient");
      return false;
    }
  }

  Updated();

  if (image->GetFormat() == ImageFormat::PLANAR_YCBCR) {
    PlanarYCbCrImage* ycbcr = static_cast<PlanarYCbCrImage*>(image);
    UpdatePictureRect(ycbcr->GetData()->GetPictureRect());
//.........这里部分代码省略.........
开发者ID:PatMart,项目名称:gecko-dev,代码行数:101,代码来源:ImageClient.cpp


注:本文中的Image::DeprecatedGetAsSurface方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。