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// 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/fpdfapi/page/cpdf_form.h"
#include "core/fpdfapi/page/cpdf_pageobject.h"
#include "core/fpdfapi/page/cpdf_pageobjectholder.h"
#include "core/fpdfapi/page/pageint.h"
#include "core/fpdfapi/parser/cpdf_dictionary.h"
#include "core/fpdfapi/parser/cpdf_stream.h"
CPDF_Form::CPDF_Form(CPDF_Document* pDoc,
CPDF_Dictionary* pPageResources,
CPDF_Stream* pFormStream,
CPDF_Dictionary* pParentResources) {
m_pDocument = pDoc;
m_pFormStream = pFormStream;
m_pFormDict = pFormStream ? pFormStream->GetDict() : nullptr;
m_pResources = m_pFormDict->GetDictFor("Resources");
m_pPageResources = pPageResources;
if (!m_pResources)
m_pResources = pParentResources;
if (!m_pResources)
m_pResources = pPageResources;
m_Transparency = 0;
LoadTransInfo();
}
CPDF_Form::~CPDF_Form() {}
void CPDF_Form::StartParse(CPDF_AllStates* pGraphicStates,
const CFX_Matrix* pParentMatrix,
CPDF_Type3Char* pType3Char,
int level) {
if (m_ParseState == CONTENT_PARSED || m_ParseState == CONTENT_PARSING)
return;
m_pParser.reset(new CPDF_ContentParser);
m_pParser->Start(this, pGraphicStates, pParentMatrix, pType3Char, level);
m_ParseState = CONTENT_PARSING;
}
void CPDF_Form::ParseContent(CPDF_AllStates* pGraphicStates,
const CFX_Matrix* pParentMatrix,
CPDF_Type3Char* pType3Char,
int level) {
StartParse(pGraphicStates, pParentMatrix, pType3Char, level);
ContinueParse(nullptr);
}
CPDF_Form* CPDF_Form::Clone() const {
CPDF_Form* pCloneForm =
new CPDF_Form(m_pDocument, m_pPageResources, m_pFormStream, m_pResources);
for (const auto& pObj : m_PageObjectList)
pCloneForm->m_PageObjectList.emplace_back(pObj->Clone());
return pCloneForm;
}
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