// 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/fpdfdoc/cpdf_apsettings.h" #include <algorithm> #include "core/fpdfapi/parser/cpdf_array.h" #include "core/fpdfapi/parser/cpdf_dictionary.h" #include "core/fpdfdoc/cpdf_formcontrol.h" CPDF_ApSettings::CPDF_ApSettings(CPDF_Dictionary* pDict) : m_pDict(pDict) {} CPDF_ApSettings::CPDF_ApSettings(const CPDF_ApSettings& that) = default; CPDF_ApSettings::~CPDF_ApSettings() {} bool CPDF_ApSettings::HasMKEntry(const CFX_ByteString& csEntry) const { return m_pDict && m_pDict->KeyExist(csEntry); } int CPDF_ApSettings::GetRotation() const { return m_pDict ? m_pDict->GetIntegerFor("R") : 0; } FX_ARGB CPDF_ApSettings::GetColor(int& iColorType, const CFX_ByteString& csEntry) const { iColorType = COLORTYPE_TRANSPARENT; if (!m_pDict) return 0; CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry); if (!pEntry) return 0; FX_ARGB color = 0; size_t dwCount = pEntry->GetCount(); if (dwCount == 1) { iColorType = COLORTYPE_GRAY; float g = pEntry->GetNumberAt(0) * 255; return ArgbEncode(255, (int)g, (int)g, (int)g); } if (dwCount == 3) { iColorType = COLORTYPE_RGB; float r = pEntry->GetNumberAt(0) * 255; float g = pEntry->GetNumberAt(1) * 255; float b = pEntry->GetNumberAt(2) * 255; return ArgbEncode(255, (int)r, (int)g, (int)b); } if (dwCount == 4) { iColorType = COLORTYPE_CMYK; float c = pEntry->GetNumberAt(0); float m = pEntry->GetNumberAt(1); float y = pEntry->GetNumberAt(2); float k = pEntry->GetNumberAt(3); float r = 1.0f - std::min(1.0f, c + k); float g = 1.0f - std::min(1.0f, m + k); float b = 1.0f - std::min(1.0f, y + k); return ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255)); } return color; } float CPDF_ApSettings::GetOriginalColor(int index, const CFX_ByteString& csEntry) const { if (!m_pDict) return 0; CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry); return pEntry ? pEntry->GetNumberAt(index) : 0; } void CPDF_ApSettings::GetOriginalColor(int& iColorType, float fc[4], const CFX_ByteString& csEntry) const { iColorType = COLORTYPE_TRANSPARENT; for (int i = 0; i < 4; i++) fc[i] = 0; if (!m_pDict) return; CPDF_Array* pEntry = m_pDict->GetArrayFor(csEntry); if (!pEntry) return; size_t dwCount = pEntry->GetCount(); if (dwCount == 1) { iColorType = COLORTYPE_GRAY; fc[0] = pEntry->GetNumberAt(0); } else if (dwCount == 3) { iColorType = COLORTYPE_RGB; fc[0] = pEntry->GetNumberAt(0); fc[1] = pEntry->GetNumberAt(1); fc[2] = pEntry->GetNumberAt(2); } else if (dwCount == 4) { iColorType = COLORTYPE_CMYK; fc[0] = pEntry->GetNumberAt(0); fc[1] = pEntry->GetNumberAt(1); fc[2] = pEntry->GetNumberAt(2); fc[3] = pEntry->GetNumberAt(3); } } CFX_WideString CPDF_ApSettings::GetCaption( const CFX_ByteString& csEntry) const { return m_pDict ? m_pDict->GetUnicodeTextFor(csEntry) : CFX_WideString(); } CPDF_Stream* CPDF_ApSettings::GetIcon(const CFX_ByteString& csEntry) const { return m_pDict ? m_pDict->GetStreamFor(csEntry) : nullptr; } CPDF_IconFit CPDF_ApSettings::GetIconFit() const { return CPDF_IconFit(m_pDict ? m_pDict->GetDictFor("IF") : nullptr); } int CPDF_ApSettings::GetTextPosition() const { return m_pDict ? m_pDict->GetIntegerFor("TP", TEXTPOS_CAPTION) : TEXTPOS_CAPTION; }