Splitting fpdfdoc/doc_* part III.

core/fpdfdoc/cpdf_apsettings.cpp

+// 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 "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
+#include "core/fpdfdoc/include/cpdf_formcontrol.h"
+
+CPDF_ApSettings::CPDF_ApSettings(CPDF_Dictionary* pDict) : m_pDict(pDict) {}
+
+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->GetIntegerBy("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->GetArrayBy(csEntry);
+  if (!pEntry)
+    return 0;
+
+  FX_ARGB color = 0;
+  size_t dwCount = pEntry->GetCount();
+  if (dwCount == 1) {
+    iColorType = COLORTYPE_GRAY;
+    FX_FLOAT g = pEntry->GetNumberAt(0) * 255;
+    return ArgbEncode(255, (int)g, (int)g, (int)g);
+  }
+  if (dwCount == 3) {
+    iColorType = COLORTYPE_RGB;
+    FX_FLOAT r = pEntry->GetNumberAt(0) * 255;
+    FX_FLOAT g = pEntry->GetNumberAt(1) * 255;
+    FX_FLOAT b = pEntry->GetNumberAt(2) * 255;
+    return ArgbEncode(255, (int)r, (int)g, (int)b);
+  }
+  if (dwCount == 4) {
+    iColorType = COLORTYPE_CMYK;
+    FX_FLOAT c = pEntry->GetNumberAt(0);
+    FX_FLOAT m = pEntry->GetNumberAt(1);
+    FX_FLOAT y = pEntry->GetNumberAt(2);
+    FX_FLOAT k = pEntry->GetNumberAt(3);
+    FX_FLOAT r = 1.0f - std::min(1.0f, c + k);
+    FX_FLOAT g = 1.0f - std::min(1.0f, m + k);
+    FX_FLOAT b = 1.0f - std::min(1.0f, y + k);
+    return ArgbEncode(255, (int)(r * 255), (int)(g * 255), (int)(b * 255));
+  }
+  return color;
+}
+
+FX_FLOAT CPDF_ApSettings::GetOriginalColor(
+    int index,
+    const CFX_ByteString& csEntry) const {
+  if (!m_pDict)
+    return 0;
+
+  CPDF_Array* pEntry = m_pDict->GetArrayBy(csEntry);
+  return pEntry ? pEntry->GetNumberAt(index) : 0;
+}
+
+void CPDF_ApSettings::GetOriginalColor(int& iColorType,
+                                       FX_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->GetArrayBy(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->GetUnicodeTextBy(csEntry) : CFX_WideString();
+}
+
+CPDF_Stream* CPDF_ApSettings::GetIcon(const CFX_ByteString& csEntry) const {
+  return m_pDict ? m_pDict->GetStreamBy(csEntry) : nullptr;
+}
+
+CPDF_IconFit CPDF_ApSettings::GetIconFit() const {
+  return CPDF_IconFit(m_pDict ? m_pDict->GetDictBy("IF") : nullptr);
+}
+
+int CPDF_ApSettings::GetTextPosition() const {
+  return m_pDict ? m_pDict->GetIntegerBy("TP", TEXTPOS_CAPTION)
+                 : TEXTPOS_CAPTION;
+}