// Copyright 2017 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/page/cpdf_iccprofile.h" #include "core/fpdfapi/cpdf_modulemgr.h" #include "core/fpdfapi/parser/cpdf_stream.h" #include "core/fxcodec/codec/ccodec_iccmodule.h" namespace { bool DetectSRGB(pdfium::span<const uint8_t> span) { static const char kSRGB[] = "sRGB IEC61966-2.1"; return span.size() == 3144 && memcmp(&span[400], kSRGB, strlen(kSRGB)) == 0; } } // namespace CPDF_IccProfile::CPDF_IccProfile(const CPDF_Stream* pStream, pdfium::span<const uint8_t> span) : m_bsRGB(DetectSRGB(span)), m_pStream(pStream) { if (m_bsRGB) { m_nSrcComponents = 3; return; } auto* pIccModule = CPDF_ModuleMgr::Get()->GetIccModule(); m_Transform = pIccModule->CreateTransform_sRGB(span); if (m_Transform) m_nSrcComponents = m_Transform->components(); } CPDF_IccProfile::~CPDF_IccProfile() {}