void CheckUnSupportError(CPDF_Document* pDoc, uint32_t err_code) { // Security if (err_code == FPDF_ERR_SECURITY) { FPDF_UnSupportError(FPDF_UNSP_DOC_SECURITY); return; } if (!pDoc) return; // Portfolios and Packages CPDF_Dictionary* pRootDict = pDoc->GetRoot(); if (pRootDict) { CFX_ByteString cbString; if (pRootDict->KeyExist("Collection")) { FPDF_UnSupportError(FPDF_UNSP_DOC_PORTABLECOLLECTION); return; } if (pRootDict->KeyExist("Names")) { CPDF_Dictionary* pNameDict = pRootDict->GetDictFor("Names"); if (pNameDict && pNameDict->KeyExist("EmbeddedFiles")) { FPDF_UnSupportError(FPDF_UNSP_DOC_ATTACHMENT); return; } if (pNameDict && pNameDict->KeyExist("JavaScript")) { CPDF_Dictionary* pJSDict = pNameDict->GetDictFor("JavaScript"); CPDF_Array* pArray = pJSDict ? pJSDict->GetArrayFor("Names") : nullptr; if (pArray) { for (size_t i = 0; i < pArray->GetCount(); i++) { CFX_ByteString cbStr = pArray->GetStringAt(i); if (cbStr.Compare("com.adobe.acrobat.SharedReview.Register") == 0) { FPDF_UnSupportError(FPDF_UNSP_DOC_SHAREDREVIEW); return; } } } } } } // SharedForm CPDF_Metadata metaData(pDoc); const CXML_Element* pElement = metaData.GetRoot(); if (pElement) CheckSharedForm(pElement, "workflowType"); #ifndef PDF_ENABLE_XFA // XFA Forms CPDF_InterForm interform(pDoc); if (interform.HasXFAForm()) FPDF_UnSupportError(FPDF_UNSP_DOC_XFAFORM); #endif // PDF_ENABLE_XFA }
DLLEXPORT int STDCALL FPDFPage_FormFieldZOrderAtPoint(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, double page_x, double page_y) { if (!hHandle) return -1; CPDF_Page* pPage = CPDFPageFromFPDFPage(page); if (!pPage) return -1; CPDF_InterForm interform(pPage->m_pDocument, FALSE); int z_order = -1; (void)interform.GetControlAtPoint(pPage, (FX_FLOAT)page_x, (FX_FLOAT)page_y, &z_order); return z_order; }
DLLEXPORT int STDCALL FPDFPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, double page_x, double page_y) { if (!hHandle) return -1; CPDF_Page* pPage = CPDFPageFromFPDFPage(page); if (pPage) { CPDF_InterForm interform(pPage->m_pDocument, FALSE); CPDF_FormControl* pFormCtrl = interform.GetControlAtPoint(pPage, static_cast<FX_FLOAT>(page_x), static_cast<FX_FLOAT>(page_y), nullptr); if (!pFormCtrl) return -1; CPDF_FormField* pFormField = pFormCtrl->GetField(); return pFormField ? pFormField->GetFieldType() : -1; } #ifdef PDF_ENABLE_XFA CPDFXFA_Page* pXFAPage = UnderlyingFromFPDFPage(page); if (!pXFAPage) return -1; IXFA_PageView* pPageView = pXFAPage->GetXFAPageView(); if (!pPageView) return -1; IXFA_DocView* pDocView = pPageView->GetDocView(); if (!pDocView) return -1; IXFA_WidgetHandler* pWidgetHandler = pDocView->GetWidgetHandler(); if (!pWidgetHandler) return -1; std::unique_ptr<IXFA_WidgetIterator, ReleaseDeleter<IXFA_WidgetIterator>> pWidgetIterator(pPageView->CreateWidgetIterator( XFA_TRAVERSEWAY_Form, XFA_WIDGETFILTER_Viewable | XFA_WIDGETFILTER_AllType)); if (!pWidgetIterator) return -1; IXFA_Widget* pXFAAnnot = pWidgetIterator->MoveToNext(); while (pXFAAnnot) { CFX_RectF rcBBox; pWidgetHandler->GetBBox(pXFAAnnot, rcBBox, 0); CFX_FloatRect rcWidget(rcBBox.left, rcBBox.top, rcBBox.left + rcBBox.width, rcBBox.top + rcBBox.height); rcWidget.left -= 1.0f; rcWidget.right += 1.0f; rcWidget.bottom -= 1.0f; rcWidget.top += 1.0f; if (rcWidget.Contains(static_cast<FX_FLOAT>(page_x), static_cast<FX_FLOAT>(page_y))) { return FPDF_FORMFIELD_XFA; } pXFAAnnot = pWidgetIterator->MoveToNext(); } #endif // PDF_ENABLE_XFA return -1; }