cpdf_icon.cpp

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// Copyright 2019 The PDFium Authors
// 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_icon.h"
 
#include <utility>
 
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
 
CPDF_Icon::CPDF_Icon(RetainPtr<const CPDF_Stream> pStream)
    : m_pStream(std::move(pStream)) {}
 
CPDF_Icon::~CPDF_Icon() = default;
 
CFX_SizeF CPDF_Icon::GetImageSize() const {
  RetainPtr<const CPDF_Dictionary> pDict = m_pStream->GetDict();
  if (!pDict)
    return CFX_SizeF();
 
  CFX_FloatRect rect = pDict->GetRectFor("BBox");
  return {rect.right - rect.left, rect.top - rect.bottom};
}
 
CFX_Matrix CPDF_Icon::GetImageMatrix() const {
  RetainPtr<const CPDF_Dictionary> pDict = m_pStream->GetDict();
  if (!pDict)
    return CFX_Matrix();
 
  return pDict->GetMatrixFor("Matrix");
}
 
ByteString CPDF_Icon::GetImageAlias() const {
  RetainPtr<const CPDF_Dictionary> pDict = m_pStream->GetDict();
  if (!pDict)
    return ByteString();
 
  return pDict->GetByteStringFor("Name");
}