1 // Copyright 2016 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #include "core/fpdfapi/render/cpdf_transferfunc.h" 8 9 #include "core/fpdfapi/parser/cpdf_document.h" 10 #include "core/fpdfapi/render/cpdf_dibtransferfunc.h" 11 #include "core/fxge/dib/cfx_dibsource.h" 12 13 CPDF_TransferFunc::CPDF_TransferFunc(CPDF_Document* pDoc) : m_pPDFDoc(pDoc) {} 14 15 CPDF_TransferFunc::~CPDF_TransferFunc() {} 16 17 FX_COLORREF CPDF_TransferFunc::TranslateColor(FX_COLORREF rgb) const { 18 return FXSYS_RGB(m_Samples[FXSYS_GetRValue(rgb)], 19 m_Samples[256 + FXSYS_GetGValue(rgb)], 20 m_Samples[512 + FXSYS_GetBValue(rgb)]); 21 } 22 23 RetainPtr<CFX_DIBSource> CPDF_TransferFunc::TranslateImage( 24 const RetainPtr<CFX_DIBSource>& pSrc) { 25 RetainPtr<CPDF_TransferFunc> pHolder(this); 26 auto pDest = pdfium::MakeRetain<CPDF_DIBTransferFunc>(pHolder); 27 pDest->LoadSrc(pSrc); 28 return pDest; 29 } 30
