| // 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/cpdf_dibtransferfunc.h" |
| #include "core/fxge/dib/cfx_dibsource.h" |
| |
| CPDF_TransferFunc::CPDF_TransferFunc(CPDF_Document* pDoc) : m_pPDFDoc(pDoc) {} |
| |
| CPDF_TransferFunc::~CPDF_TransferFunc() {} |
| |
| 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)]); |
| } |
| |
| RetainPtr<CFX_DIBSource> CPDF_TransferFunc::TranslateImage( |
| const RetainPtr<CFX_DIBSource>& pSrc) { |
| RetainPtr<CPDF_TransferFunc> pHolder(this); |
| auto pDest = pdfium::MakeRetain<CPDF_DIBTransferFunc>(pHolder); |
| pDest->LoadSrc(pSrc); |
| return pDest; |
| } |