Splitting fpdfdoc/doc_* part III.

core/fpdfdoc/cpdf_iconfit.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/include/cpdf_iconfit.h"
+
+#include "core/fpdfapi/fpdf_parser/include/cpdf_array.h"
+#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
+#include "core/fxcrt/include/fx_string.h"
+
+CPDF_IconFit::ScaleMethod CPDF_IconFit::GetScaleMethod() {
+  if (!m_pDict)
+    return Always;
+
+  CFX_ByteString csSW = m_pDict->GetStringBy("SW", "A");
+  if (csSW == "B")
+    return Bigger;
+  if (csSW == "S")
+    return Smaller;
+  if (csSW == "N")
+    return Never;
+  return Always;
+}
+
+FX_BOOL CPDF_IconFit::IsProportionalScale() {
+  return m_pDict ? m_pDict->GetStringBy("S", "P") != "A" : TRUE;
+}
+
+void CPDF_IconFit::GetIconPosition(FX_FLOAT& fLeft, FX_FLOAT& fBottom) {
+  fLeft = fBottom = 0.5;
+  if (!m_pDict)
+    return;
+
+  CPDF_Array* pA = m_pDict->GetArrayBy("A");
+  if (pA) {
+    uint32_t dwCount = pA->GetCount();
+    if (dwCount > 0)
+      fLeft = pA->GetNumberAt(0);
+    if (dwCount > 1)
+      fBottom = pA->GetNumberAt(1);
+  }
+}
+
+bool CPDF_IconFit::GetFittingBounds() {
+  return m_pDict ? m_pDict->GetBooleanBy("FB") : false;
+}