Further improve CCodec_FaxDecoder performance in debug builds.
BUG=chromium:845117
Change-Id: Id1c97bc40ff776f52011a8ab2d6e5166cd7c64c8
Reviewed-on: https://pdfium-review.googlesource.com/33650
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/core/fxcodec/codec/fx_codec_fax.cpp b/core/fxcodec/codec/fx_codec_fax.cpp
index 0a6ba3a..2c85e2d 100644
--- a/core/fxcodec/codec/fx_codec_fax.cpp
+++ b/core/fxcodec/codec/fx_codec_fax.cpp
@@ -545,8 +545,9 @@
}
if (m_bBlack) {
ASSERT(m_Pitch == m_ScanlineBuf.size());
- uint8_t* data = m_ScanlineBuf.data();
- for (size_t i = 0; i < m_ScanlineBuf.size(); ++i)
+ ASSERT(m_Pitch % 4 == 0);
+ uint32_t* data = reinterpret_cast<uint32_t*>(m_ScanlineBuf.data());
+ for (size_t i = 0; i < m_ScanlineBuf.size() / 4; ++i)
data[i] = ~data[i];
}
return m_ScanlineBuf.data();
