image/Deinterlacer.cpp
author Nathan Froyd <froydnj@mozilla.com>
Wed, 07 Oct 2015 16:50:25 -0400
changeset 266617 91d4539e00cecb658604e021675a923c60ef3235
parent 265141 b50322abc2863332513aa05e5e53ab3d8278672d
child 277912 3e4d6d892dd8e8bfb31022ca5268c17d7529c41b
permissions -rw-r--r--
Bug 1207245 - part 6 - rename nsRefPtr<T> to RefPtr<T>; r=ehsan; a=Tomcat The bulk of this commit was generated with a script, executed at the top level of a typical source code checkout. The only non-machine-generated part was modifying MFBT's moz.build to reflect the new naming. # The main substitution. find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \ xargs perl -p -i -e ' s/nsRefPtr\.h/RefPtr\.h/g; # handle includes s/nsRefPtr ?</RefPtr</g; # handle declarations and variables ' # Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h. perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h # Handle nsRefPtr.h itself, a couple places that define constructors # from nsRefPtr, and code generators specially. We do this here, rather # than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename # things like nsRefPtrHashtable. perl -p -i -e 's/nsRefPtr/RefPtr/g' \ mfbt/nsRefPtr.h \ xpcom/glue/nsCOMPtr.h \ xpcom/base/OwningNonNull.h \ ipc/ipdl/ipdl/lower.py \ ipc/ipdl/ipdl/builtin.py \ dom/bindings/Codegen.py \ python/lldbutils/lldbutils/utils.py # In our indiscriminate substitution above, we renamed # nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up. find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \ xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g' if [ -d .git ]; then git mv mfbt/nsRefPtr.h mfbt/RefPtr.h else hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h fi

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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/. */


#include "Downscaler.h"

namespace mozilla {
namespace image {

Deinterlacer::Deinterlacer(const nsIntSize& aImageSize)
  : mImageSize(aImageSize)
  , mBuffer(MakeUnique<uint8_t[]>(mImageSize.width *
                                  mImageSize.height *
                                  sizeof(uint32_t)))
{ }

uint32_t
Deinterlacer::RowSize() const
{
  return mImageSize.width * sizeof(uint32_t);
}

uint8_t*
Deinterlacer::RowBuffer(uint32_t aRow)
{
  uint32_t offset = aRow * RowSize();
  MOZ_ASSERT(offset < mImageSize.width * mImageSize.height * sizeof(uint32_t),
             "Row is outside of image");
  return mBuffer.get() + offset;
}

void
Deinterlacer::PropagatePassToDownscaler(Downscaler& aDownscaler)
{
  for (int32_t row = 0 ; row < mImageSize.height ; ++row) {
    memcpy(aDownscaler.RowBuffer(), RowBuffer(row), RowSize());
    aDownscaler.CommitRow();
  }
}

} // namespace image
} // namespace mozilla