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// Copyright 2018 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 "fpdfsdk/cpdf_annotcontext.h"
#include "core/fpdfapi/page/cpdf_form.h"
#include "core/fpdfapi/page/cpdf_page.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
#include "third_party/base/ptr_util.h"
CPDF_AnnotContext::CPDF_AnnotContext(CPDF_Dictionary* pAnnotDict,
CPDF_Page* pPage,
CPDF_Stream* pStream)
: m_pAnnotDict(pAnnotDict), m_pPage(pPage) {
SetForm(pStream);
}
CPDF_AnnotContext::~CPDF_AnnotContext() = default;
void CPDF_AnnotContext::SetForm(CPDF_Stream* pStream) {
if (!pStream)
return;
// Reset the annotation matrix to be the identity matrix, since the
// appearance stream already takes matrix into account.
pStream->GetDict()->SetMatrixFor("Matrix", CFX_Matrix());
m_pAnnotForm = pdfium::MakeUnique<CPDF_Form>(
m_pPage->GetDocument(), m_pPage->m_pResources.Get(), pStream);
m_pAnnotForm->ParseContent(nullptr, nullptr, nullptr, nullptr);
}