1 files changed, 25 insertions, 0 deletions
diff --git a/core/fpdfapi/render/cpdf_transferfunc.cpp b/core/fpdfapi/render/cpdf_transferfunc.cpp
new file mode 100644
index 0000000000..a2cee3992d
--- /dev/null
+++ b/core/fpdfapi/render/cpdf_transferfunc.cpp
@@ -0,0 +1,25 @@
+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "core/fpdfapi/render/cpdf_transferfunc.h"
+
+#include "core/fpdfapi/parser/cpdf_document.h"
+#include "core/fpdfapi/render/render_int.h"
+
+CPDF_TransferFunc::CPDF_TransferFunc(CPDF_Document* pDoc) : m_pPDFDoc(pDoc) {}
+
+FX_COLORREF CPDF_TransferFunc::TranslateColor(FX_COLORREF rgb) const {
+  return FXSYS_RGB(m_Samples[FXSYS_GetRValue(rgb)],
+                   m_Samples[256 + FXSYS_GetGValue(rgb)],
+                   m_Samples[512 + FXSYS_GetBValue(rgb)]);
+}
+
+CFX_DIBSource* CPDF_TransferFunc::TranslateImage(const CFX_DIBSource* pSrc,
+                                                 bool bAutoDropSrc) {
+  CPDF_DIBTransferFunc* pDest = new CPDF_DIBTransferFunc(this);
+  pDest->LoadSrc(pSrc, bAutoDropSrc);
+  return pDest;
+}