From d1ed1ce582efc877487c749924e21772e73df6a2 Mon Sep 17 00:00:00 2001 From: Jane Liu Date: Thu, 24 Aug 2017 12:31:10 -0400 Subject: Added FPDFAnnot_GetAnnotIndex() Added FPDFAnnot_GetAnnotIndex() to get the index of an annotation. This is useful if linked annotations are renedered together - then we need to know which ones in the annotation list we need to skip. Bug=pdfium:863,pdfium:737 Change-Id: I53482a15e0fd9a896b348b64d68e99f9c21da9f9 Reviewed-on: https://pdfium-review.googlesource.com/11970 Commit-Queue: dsinclair Reviewed-by: dsinclair --- fpdfsdk/fpdfannot.cpp | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'fpdfsdk/fpdfannot.cpp') diff --git a/fpdfsdk/fpdfannot.cpp b/fpdfsdk/fpdfannot.cpp index ec748e66ec..8c62ecf311 100644 --- a/fpdfsdk/fpdfannot.cpp +++ b/fpdfsdk/fpdfannot.cpp @@ -241,6 +241,30 @@ FPDF_EXPORT FPDF_ANNOTATION FPDF_CALLCONV FPDFPage_GetAnnot(FPDF_PAGE page, return pNewAnnot.release(); } +FPDF_EXPORT int FPDF_CALLCONV FPDFPage_GetAnnotIndex(FPDF_PAGE page, + FPDF_ANNOTATION annot) { + CPDF_Page* pPage = CPDFPageFromFPDFPage(page); + CPDF_AnnotContext* pAnnot = CPDFAnnotContextFromFPDFAnnotation(annot); + if (!pPage || !pPage->m_pFormDict || !pAnnot || !pAnnot->GetAnnotDict()) + return -1; + + CPDF_Array* pAnnots = pPage->m_pFormDict->GetArrayFor("Annots"); + if (!pAnnots) + return -1; + + CPDF_Dictionary* pDict = pAnnot->GetAnnotDict(); + auto it = + std::find_if(pAnnots->begin(), pAnnots->end(), + [pDict](const std::unique_ptr& candidate) { + return candidate->GetDirect() == pDict; + }); + + if (it == pAnnots->end()) + return -1; + + return it - pAnnots->begin(); +} + FPDF_EXPORT void FPDF_CALLCONV FPDFPage_CloseAnnot(FPDF_ANNOTATION annot) { delete CPDFAnnotContextFromFPDFAnnotation(annot); } -- cgit v1.2.3