C++ (Cpp) DownscalerInvalidRectの例

コード例 #1

ファイル: Downscaler.cpp プロジェクト: carriercomm/system-addons

DownscalerInvalidRect
Downscaler::TakeInvalidRect()
{
  if (MOZ_UNLIKELY(!HasInvalidation())) {
    return DownscalerInvalidRect();
  }

  DownscalerInvalidRect invalidRect;

  // Compute the target size invalid rect.
  if (mFlipVertically) {
    // We need to flip it. This will implicitly flip the original size invalid
    // rect, since we compute it by scaling this rect.
    invalidRect.mTargetSizeRect =
      IntRect(0, mTargetSize.height - mCurrentOutLine,
              mTargetSize.width, mCurrentOutLine - mPrevInvalidatedLine);
  } else {
    invalidRect.mTargetSizeRect =
      IntRect(0, mPrevInvalidatedLine,
              mTargetSize.width, mCurrentOutLine - mPrevInvalidatedLine);
  }

  mPrevInvalidatedLine = mCurrentOutLine;

  // Compute the original size invalid rect.
  invalidRect.mOriginalSizeRect = invalidRect.mTargetSizeRect;
  invalidRect.mOriginalSizeRect.ScaleRoundOut(mScale.width, mScale.height);

  return invalidRect;
}

コード例 #2

ファイル: Downscaler.cpp プロジェクト: paulmadore/luckyde

DownscalerInvalidRect
Downscaler::TakeInvalidRect()
{
  if (MOZ_UNLIKELY(!HasInvalidation())) {
    return DownscalerInvalidRect();
  }

  DownscalerInvalidRect invalidRect;

  // Compute the target size invalid rect.
  invalidRect.mTargetSizeRect =
    nsIntRect(0, mPrevInvalidatedLine,
              mTargetSize.width, mCurrentOutLine - mPrevInvalidatedLine);
  mPrevInvalidatedLine = mCurrentOutLine;

  // Compute the original size invalid rect.
  invalidRect.mOriginalSizeRect = invalidRect.mTargetSizeRect;
  invalidRect.mOriginalSizeRect.ScaleRoundOut(mScale.width, mScale.height);

  return invalidRect;
}