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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/fpdfdoc/include/cpdf_annotlist.h"
#include "core/fpdfapi/fpdf_page/include/cpdf_page.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
#include "core/fpdfapi/fpdf_parser/include/cpdf_reference.h"
#include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
#include "core/fpdfdoc/cpvt_generateap.h"
#include "core/fpdfdoc/include/cpdf_annot.h"
#include "core/fpdfdoc/include/cpdf_interform.h"
#include "core/fpdfdoc/include/cpdf_occontext.h"
CPDF_AnnotList::CPDF_AnnotList(CPDF_Page* pPage)
: m_pDocument(pPage->m_pDocument) {
if (!pPage->m_pFormDict)
return;
CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayBy("Annots");
if (!pAnnots)
return;
CPDF_Dictionary* pRoot = m_pDocument->GetRoot();
CPDF_Dictionary* pAcroForm = pRoot->GetDictBy("AcroForm");
FX_BOOL bRegenerateAP =
pAcroForm && pAcroForm->GetBooleanBy("NeedAppearances");
for (size_t i = 0; i < pAnnots->GetCount(); ++i) {
CPDF_Dictionary* pDict = ToDictionary(pAnnots->GetDirectObjectAt(i));
if (!pDict)
continue;
uint32_t dwObjNum = pDict->GetObjNum();
if (dwObjNum == 0) {
dwObjNum = m_pDocument->AddIndirectObject(pDict);
CPDF_Reference* pAction = new CPDF_Reference(m_pDocument, dwObjNum);
pAnnots->InsertAt(i, pAction);
pAnnots->RemoveAt(i + 1);
pDict = pAnnots->GetDictAt(i);
}
m_AnnotList.push_back(
std::unique_ptr<CPDF_Annot>(new CPDF_Annot(pDict, m_pDocument)));
if (bRegenerateAP && pDict->GetStringBy("Subtype") == "Widget" &&
CPDF_InterForm::IsUpdateAPEnabled()) {
FPDF_GenerateAP(m_pDocument, pDict);
}
}
}
CPDF_AnnotList::~CPDF_AnnotList() {}
void CPDF_AnnotList::DisplayPass(CPDF_Page* pPage,
CFX_RenderDevice* pDevice,
CPDF_RenderContext* pContext,
FX_BOOL bPrinting,
CFX_Matrix* pMatrix,
FX_BOOL bWidgetPass,
CPDF_RenderOptions* pOptions,
FX_RECT* clip_rect) {
for (const auto& pAnnot : m_AnnotList) {
bool bWidget = pAnnot->GetSubType() == "Widget";
if ((bWidgetPass && !bWidget) || (!bWidgetPass && bWidget))
continue;
uint32_t annot_flags = pAnnot->GetFlags();
if (annot_flags & ANNOTFLAG_HIDDEN)
continue;
if (bPrinting && (annot_flags & ANNOTFLAG_PRINT) == 0)
continue;
if (!bPrinting && (annot_flags & ANNOTFLAG_NOVIEW))
continue;
if (pOptions) {
CPDF_OCContext* pOCContext = pOptions->m_pOCContext;
CPDF_Dictionary* pAnnotDict = pAnnot->GetAnnotDict();
if (pOCContext && pAnnotDict &&
!pOCContext->CheckOCGVisible(pAnnotDict->GetDictBy("OC"))) {
continue;
}
}
CFX_FloatRect annot_rect_f;
pAnnot->GetRect(annot_rect_f);
CFX_Matrix matrix = *pMatrix;
if (clip_rect) {
annot_rect_f.Transform(&matrix);
FX_RECT annot_rect = annot_rect_f.GetOutterRect();
annot_rect.Intersect(*clip_rect);
if (annot_rect.IsEmpty()) {
continue;
}
}
if (pContext) {
pAnnot->DrawInContext(pPage, pContext, &matrix, CPDF_Annot::Normal);
} else if (!pAnnot->DrawAppearance(pPage, pDevice, &matrix,
CPDF_Annot::Normal, pOptions)) {
pAnnot->DrawBorder(pDevice, &matrix, pOptions);
}
}
}
void CPDF_AnnotList::DisplayAnnots(CPDF_Page* pPage,
CFX_RenderDevice* pDevice,
CPDF_RenderContext* pContext,
FX_BOOL bPrinting,
CFX_Matrix* pUser2Device,
uint32_t dwAnnotFlags,
CPDF_RenderOptions* pOptions,
FX_RECT* pClipRect) {
if (dwAnnotFlags & ANNOTFLAG_INVISIBLE) {
DisplayPass(pPage, pDevice, pContext, bPrinting, pUser2Device, FALSE,
pOptions, pClipRect);
}
if (dwAnnotFlags & ANNOTFLAG_HIDDEN) {
DisplayPass(pPage, pDevice, pContext, bPrinting, pUser2Device, TRUE,
pOptions, pClipRect);
}
}
void CPDF_AnnotList::DisplayAnnots(CPDF_Page* pPage,
CPDF_RenderContext* pContext,
FX_BOOL bPrinting,
CFX_Matrix* pMatrix,
FX_BOOL bShowWidget,
CPDF_RenderOptions* pOptions) {
uint32_t dwAnnotFlags = bShowWidget ? ANNOTFLAG_INVISIBLE | ANNOTFLAG_HIDDEN
: ANNOTFLAG_INVISIBLE;
DisplayAnnots(pPage, nullptr, pContext, bPrinting, pMatrix, dwAnnotFlags,
pOptions, nullptr);
}
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