// 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 "fpdfsdk/include/cpdfsdk_pageview.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h" #include "core/fpdfdoc/include/cpdf_annotlist.h" #include "core/fpdfdoc/include/cpdf_interform.h" #include "fpdfsdk/include/cpdfsdk_annot.h" #include "fpdfsdk/include/cpdfsdk_annothandlermgr.h" #include "fpdfsdk/include/cpdfsdk_annotiterator.h" #include "fpdfsdk/include/cpdfsdk_environment.h" #include "fpdfsdk/include/cpdfsdk_interform.h" #ifdef PDF_ENABLE_XFA #include "fpdfsdk/fpdfxfa/include/fpdfxfa_page.h" #include "xfa/fxfa/include/xfa_ffdocview.h" #include "xfa/fxfa/include/xfa_ffpageview.h" #include "xfa/fxfa/include/xfa_ffwidgethandler.h" #include "xfa/fxfa/include/xfa_rendercontext.h" #include "xfa/fxgraphics/include/cfx_graphics.h" #endif // PDF_ENABLE_XFA CPDFSDK_PageView::CPDFSDK_PageView(CPDFSDK_Document* pSDKDoc, UnderlyingPageType* page) : m_page(page), m_pSDKDoc(pSDKDoc), m_CaptureWidget(nullptr), #ifndef PDF_ENABLE_XFA m_bOwnsPage(false), #endif // PDF_ENABLE_XFA m_bEnterWidget(FALSE), m_bExitWidget(FALSE), m_bOnWidget(FALSE), m_bValid(FALSE), m_bLocked(FALSE) { CPDFSDK_InterForm* pInterForm = pSDKDoc->GetInterForm(); if (pInterForm) { CPDF_InterForm* pPDFInterForm = pInterForm->GetInterForm(); #ifdef PDF_ENABLE_XFA if (page->GetPDFPage()) pPDFInterForm->FixPageFields(page->GetPDFPage()); #else // PDF_ENABLE_XFA pPDFInterForm->FixPageFields(page); #endif // PDF_ENABLE_XFA } #ifndef PDF_ENABLE_XFA m_page->SetView(this); #endif // PDF_ENABLE_XFA } CPDFSDK_PageView::~CPDFSDK_PageView() { #ifndef PDF_ENABLE_XFA // The call to |ReleaseAnnot| can cause the page pointed to by |m_page| to // be freed, which will cause issues if we try to cleanup the pageview pointer // in |m_page|. So, reset the pageview pointer before doing anything else. m_page->SetView(nullptr); #endif // PDF_ENABLE_XFA CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) pAnnotHandlerMgr->ReleaseAnnot(pAnnot); m_fxAnnotArray.clear(); m_pAnnotList.reset(); #ifndef PDF_ENABLE_XFA if (m_bOwnsPage) delete m_page; #endif // PDF_ENABLE_XFA } void CPDFSDK_PageView::PageView_OnDraw(CFX_RenderDevice* pDevice, CFX_Matrix* pUser2Device, #ifdef PDF_ENABLE_XFA CPDF_RenderOptions* pOptions, const FX_RECT& pClip) { #else CPDF_RenderOptions* pOptions) { #endif // PDF_ENABLE_XFA m_curMatrix = *pUser2Device; CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); #ifdef PDF_ENABLE_XFA CPDFXFA_Page* pPage = GetPDFXFAPage(); if (!pPage) return; if (pPage->GetDocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) { CFX_Graphics gs; gs.Create(pDevice); CFX_RectF rectClip; rectClip.Set(static_cast<FX_FLOAT>(pClip.left), static_cast<FX_FLOAT>(pClip.top), static_cast<FX_FLOAT>(pClip.Width()), static_cast<FX_FLOAT>(pClip.Height())); gs.SetClipRect(rectClip); std::unique_ptr<CXFA_RenderContext> pRenderContext(new CXFA_RenderContext); CXFA_RenderOptions renderOptions; renderOptions.m_bHighlight = TRUE; CXFA_FFPageView* xfaView = pPage->GetXFAPageView(); pRenderContext->StartRender(xfaView, &gs, *pUser2Device, renderOptions); pRenderContext->DoRender(); pRenderContext->StopRender(); CXFA_FFDocView* docView = xfaView->GetDocView(); if (!docView) return; CPDFSDK_Annot* annot = GetFocusAnnot(); if (!annot) return; // Render the focus widget docView->GetWidgetHandler()->RenderWidget(annot->GetXFAWidget(), &gs, pUser2Device, FALSE); return; } #endif // PDF_ENABLE_XFA // for pdf/static xfa. CPDFSDK_AnnotIterator annotIterator(this, true); while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); pAnnotHandlerMgr->Annot_OnDraw(this, pSDKAnnot, pDevice, pUser2Device, pOptions->m_bDrawAnnots); } } const CPDF_Annot* CPDFSDK_PageView::GetPDFAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { for (const auto& pAnnot : m_pAnnotList->All()) { CFX_FloatRect annotRect = pAnnot->GetRect(); if (annotRect.Contains(pageX, pageY)) return pAnnot.get(); } return nullptr; } const CPDF_Annot* CPDFSDK_PageView::GetPDFWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { for (const auto& pAnnot : m_pAnnotList->All()) { if (pAnnot->GetSubtype() == CPDF_Annot::Subtype::WIDGET) { CFX_FloatRect annotRect = pAnnot->GetRect(); if (annotRect.Contains(pageX, pageY)) return pAnnot.get(); } } return nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::GetFXAnnotAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_AnnotIterator annotIterator(this, false); while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { CFX_FloatRect rc = pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot); if (pSDKAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::POPUP) continue; if (rc.Contains(pageX, pageY)) return pSDKAnnot; } return nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::GetFXWidgetAtPoint(FX_FLOAT pageX, FX_FLOAT pageY) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_AnnotIterator annotIterator(this, false); while (CPDFSDK_Annot* pSDKAnnot = annotIterator.Next()) { bool bHitTest = pSDKAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::WIDGET; #ifdef PDF_ENABLE_XFA bHitTest = bHitTest || pSDKAnnot->GetAnnotSubtype() == CPDF_Annot::Subtype::XFAWIDGET; #endif // PDF_ENABLE_XFA if (bHitTest) { pAnnotMgr->Annot_OnGetViewBBox(this, pSDKAnnot); CFX_FloatPoint point(pageX, pageY); if (pAnnotMgr->Annot_OnHitTest(this, pSDKAnnot, point)) return pSDKAnnot; } } return nullptr; } void CPDFSDK_PageView::KillFocusAnnotIfNeeded() { // if there is a focused annot on the page, we should kill the focus first. if (CPDFSDK_Annot* focusedAnnot = m_pSDKDoc->GetFocusAnnot()) { if (pdfium::ContainsValue(m_fxAnnotArray, focusedAnnot)) KillFocusAnnot(); } } CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Annot* pPDFAnnot) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this); if (!pSDKAnnot) return nullptr; m_fxAnnotArray.push_back(pSDKAnnot); pAnnotHandler->Annot_OnCreate(pSDKAnnot); return pSDKAnnot; } #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CXFA_FFWidget* pPDFAnnot) { if (!pPDFAnnot) return nullptr; CPDFSDK_Annot* pSDKAnnot = GetAnnotByXFAWidget(pPDFAnnot); if (pSDKAnnot) return pSDKAnnot; CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); pSDKAnnot = pAnnotHandler->NewAnnot(pPDFAnnot, this); if (!pSDKAnnot) return nullptr; m_fxAnnotArray.push_back(pSDKAnnot); return pSDKAnnot; } #endif // PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(CPDF_Dictionary* pDict) { return pDict ? AddAnnot(pDict->GetStringBy("Subtype").c_str(), pDict) : nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::AddAnnot(const FX_CHAR* lpSubType, CPDF_Dictionary* pDict) { return nullptr; } FX_BOOL CPDFSDK_PageView::DeleteAnnot(CPDFSDK_Annot* pAnnot) { #ifdef PDF_ENABLE_XFA if (!pAnnot) return FALSE; CPDFXFA_Page* pPage = pAnnot->GetPDFXFAPage(); if (!pPage || (pPage->GetDocument()->GetDocType() != DOCTYPE_STATIC_XFA && pPage->GetDocument()->GetDocType() != DOCTYPE_DYNAMIC_XFA)) return FALSE; if (GetFocusAnnot() == pAnnot) KillFocusAnnot(); CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandler = pEnv->GetAnnotHandlerMgr(); if (pAnnotHandler) pAnnotHandler->ReleaseAnnot(pAnnot); auto it = std::find(m_fxAnnotArray.begin(), m_fxAnnotArray.end(), pAnnot); if (it != m_fxAnnotArray.end()) m_fxAnnotArray.erase(it); if (m_CaptureWidget == pAnnot) m_CaptureWidget = nullptr; return TRUE; #else // PDF_ENABLE_XFA return FALSE; #endif // PDF_ENABLE_XFA } CPDF_Document* CPDFSDK_PageView::GetPDFDocument() { if (m_page) { #ifdef PDF_ENABLE_XFA return m_page->GetDocument()->GetPDFDoc(); #else // PDF_ENABLE_XFA return m_page->m_pDocument; #endif // PDF_ENABLE_XFA } return nullptr; } CPDF_Page* CPDFSDK_PageView::GetPDFPage() const { #ifdef PDF_ENABLE_XFA return m_page ? m_page->GetPDFPage() : nullptr; #else // PDF_ENABLE_XFA return m_page; #endif // PDF_ENABLE_XFA } size_t CPDFSDK_PageView::CountAnnots() const { return m_fxAnnotArray.size(); } CPDFSDK_Annot* CPDFSDK_PageView::GetAnnot(size_t nIndex) { return nIndex < m_fxAnnotArray.size() ? m_fxAnnotArray[nIndex] : nullptr; } CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByDict(CPDF_Dictionary* pDict) { for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { if (pAnnot->GetPDFAnnot()->GetAnnotDict() == pDict) return pAnnot; } return nullptr; } #ifdef PDF_ENABLE_XFA CPDFSDK_Annot* CPDFSDK_PageView::GetAnnotByXFAWidget(CXFA_FFWidget* hWidget) { if (!hWidget) return nullptr; for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { if (pAnnot->GetXFAWidget() == hWidget) return pAnnot; } return nullptr; } #endif // PDF_ENABLE_XFA FX_BOOL CPDFSDK_PageView::OnLButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); if (!pFXAnnot) { KillFocusAnnot(nFlag); return FALSE; } CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); FX_BOOL bRet = pAnnotHandlerMgr->Annot_OnLButtonDown(this, pFXAnnot, nFlag, point); if (bRet) SetFocusAnnot(pFXAnnot); return bRet; } #ifdef PDF_ENABLE_XFA FX_BOOL CPDFSDK_PageView::OnRButtonDown(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); ASSERT(pAnnotHandlerMgr); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); if (!pFXAnnot) return FALSE; if (pAnnotHandlerMgr->Annot_OnRButtonDown(this, pFXAnnot, nFlag, point)) SetFocusAnnot(pFXAnnot); return TRUE; } FX_BOOL CPDFSDK_PageView::OnRButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); if (!pFXAnnot) return FALSE; if (pAnnotHandlerMgr->Annot_OnRButtonUp(this, pFXAnnot, nFlag, point)) SetFocusAnnot(pFXAnnot); return TRUE; } #endif // PDF_ENABLE_XFA FX_BOOL CPDFSDK_PageView::OnLButtonUp(const CFX_FloatPoint& point, FX_UINT nFlag) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); ASSERT(pEnv); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); CPDFSDK_Annot* pFXAnnot = GetFXWidgetAtPoint(point.x, point.y); CPDFSDK_Annot* pFocusAnnot = GetFocusAnnot(); FX_BOOL bRet = FALSE; if (pFocusAnnot && pFocusAnnot != pFXAnnot) { // Last focus Annot gets a chance to handle the event. bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFocusAnnot, nFlag, point); } if (pFXAnnot && !bRet) bRet = pAnnotHandlerMgr->Annot_OnLButtonUp(this, pFXAnnot, nFlag, point); return bRet; } FX_BOOL CPDFSDK_PageView::OnMouseMove(const CFX_FloatPoint& point, int nFlag) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); if (CPDFSDK_Annot* pFXAnnot = GetFXAnnotAtPoint(point.x, point.y)) { if (m_CaptureWidget && m_CaptureWidget != pFXAnnot) { m_bExitWidget = TRUE; m_bEnterWidget = FALSE; pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag); } m_CaptureWidget = pFXAnnot; m_bOnWidget = TRUE; if (!m_bEnterWidget) { m_bEnterWidget = TRUE; m_bExitWidget = FALSE; pAnnotHandlerMgr->Annot_OnMouseEnter(this, pFXAnnot, nFlag); } pAnnotHandlerMgr->Annot_OnMouseMove(this, pFXAnnot, nFlag, point); return TRUE; } if (m_bOnWidget) { m_bOnWidget = FALSE; m_bExitWidget = TRUE; m_bEnterWidget = FALSE; if (m_CaptureWidget) { pAnnotHandlerMgr->Annot_OnMouseExit(this, m_CaptureWidget, nFlag); m_CaptureWidget = nullptr; } } return FALSE; } FX_BOOL CPDFSDK_PageView::OnMouseWheel(double deltaX, double deltaY, const CFX_FloatPoint& point, int nFlag) { if (CPDFSDK_Annot* pAnnot = GetFXWidgetAtPoint(point.x, point.y)) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); return pAnnotHandlerMgr->Annot_OnMouseWheel(this, pAnnot, nFlag, (int)deltaY, point); } return FALSE; } FX_BOOL CPDFSDK_PageView::OnChar(int nChar, FX_UINT nFlag) { if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); return pAnnotHandlerMgr->Annot_OnChar(pAnnot, nChar, nFlag); } return FALSE; } FX_BOOL CPDFSDK_PageView::OnKeyDown(int nKeyCode, int nFlag) { if (CPDFSDK_Annot* pAnnot = GetFocusAnnot()) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); return pAnnotHandlerMgr->Annot_OnKeyDown(pAnnot, nKeyCode, nFlag); } return FALSE; } FX_BOOL CPDFSDK_PageView::OnKeyUp(int nKeyCode, int nFlag) { return FALSE; } void CPDFSDK_PageView::LoadFXAnnots() { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); CPDFSDK_AnnotHandlerMgr* pAnnotHandlerMgr = pEnv->GetAnnotHandlerMgr(); SetLock(TRUE); #ifdef PDF_ENABLE_XFA CFX_RetainPtr<CPDFXFA_Page> protector(m_page); if (m_pSDKDoc->GetXFADocument()->GetDocType() == DOCTYPE_DYNAMIC_XFA) { CXFA_FFPageView* pageView = m_page->GetXFAPageView(); std::unique_ptr<IXFA_WidgetIterator> pWidgetHander( pageView->CreateWidgetIterator( XFA_TRAVERSEWAY_Form, XFA_WidgetStatus_Visible | XFA_WidgetStatus_Viewable)); if (!pWidgetHander) { SetLock(FALSE); return; } while (CXFA_FFWidget* pXFAAnnot = pWidgetHander->MoveToNext()) { CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pXFAAnnot, this); if (!pAnnot) continue; m_fxAnnotArray.push_back(pAnnot); pAnnotHandlerMgr->Annot_OnLoad(pAnnot); } SetLock(FALSE); return; } #endif // PDF_ENABLE_XFA CPDF_Page* pPage = GetPDFPage(); ASSERT(pPage); FX_BOOL bUpdateAP = CPDF_InterForm::IsUpdateAPEnabled(); // Disable the default AP construction. CPDF_InterForm::SetUpdateAP(FALSE); m_pAnnotList.reset(new CPDF_AnnotList(pPage)); CPDF_InterForm::SetUpdateAP(bUpdateAP); const size_t nCount = m_pAnnotList->Count(); for (size_t i = 0; i < nCount; ++i) { CPDF_Annot* pPDFAnnot = m_pAnnotList->GetAt(i); CheckUnSupportAnnot(GetPDFDocument(), pPDFAnnot); CPDFSDK_Annot* pAnnot = pAnnotHandlerMgr->NewAnnot(pPDFAnnot, this); if (!pAnnot) continue; m_fxAnnotArray.push_back(pAnnot); pAnnotHandlerMgr->Annot_OnLoad(pAnnot); } SetLock(FALSE); } void CPDFSDK_PageView::ClearFXAnnots() { SetLock(TRUE); if (m_pSDKDoc && GetFocusAnnot()) m_pSDKDoc->SetFocusAnnot(nullptr); m_CaptureWidget = nullptr; for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) m_pSDKDoc->GetEnv()->GetAnnotHandlerMgr()->ReleaseAnnot(pAnnot); m_fxAnnotArray.clear(); m_pAnnotList.reset(); SetLock(FALSE); } void CPDFSDK_PageView::UpdateRects(const std::vector<CFX_FloatRect>& rects) { CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); for (const auto& rc : rects) pEnv->Invalidate(m_page, rc.left, rc.top, rc.right, rc.bottom); } void CPDFSDK_PageView::UpdateView(CPDFSDK_Annot* pAnnot) { CFX_FloatRect rcWindow = pAnnot->GetRect(); CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv(); pEnv->Invalidate(m_page, rcWindow.left, rcWindow.top, rcWindow.right, rcWindow.bottom); } int CPDFSDK_PageView::GetPageIndex() const { if (!m_page) return -1; #ifdef PDF_ENABLE_XFA int nDocType = m_page->GetDocument()->GetDocType(); switch (nDocType) { case DOCTYPE_DYNAMIC_XFA: { CXFA_FFPageView* pPageView = m_page->GetXFAPageView(); return pPageView ? pPageView->GetPageIndex() : -1; } case DOCTYPE_STATIC_XFA: case DOCTYPE_PDF: return GetPageIndexForStaticPDF(); default: return -1; } #else // PDF_ENABLE_XFA return GetPageIndexForStaticPDF(); #endif // PDF_ENABLE_XFA } bool CPDFSDK_PageView::IsValidAnnot(const CPDF_Annot* p) const { if (!p) return false; const auto& annots = m_pAnnotList->All(); auto it = std::find_if(annots.begin(), annots.end(), [p](const std::unique_ptr<CPDF_Annot>& annot) { return annot.get() == p; }); return it != annots.end(); } CPDFSDK_Annot* CPDFSDK_PageView::GetFocusAnnot() { CPDFSDK_Annot* pFocusAnnot = m_pSDKDoc->GetFocusAnnot(); if (!pFocusAnnot) return nullptr; for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray) { if (pAnnot == pFocusAnnot) return pAnnot; } return nullptr; } int CPDFSDK_PageView::GetPageIndexForStaticPDF() const { CPDF_Dictionary* pDict = GetPDFPage()->m_pFormDict; CPDF_Document* pDoc = m_pSDKDoc->GetPDFDocument(); return (pDoc && pDict) ? pDoc->GetPageIndex(pDict->GetObjNum()) : -1; }