vcl: use pdfium c++ wraper classes in ImportPDFUnloaded

Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96754
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
(cherry picked from commit 4fa45de60601d34b3a821b35b5aca72f494a7487)

Change-Id: I1d0d97f4b981fa62aa38dc5ceaf89d3976bbccbe
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/97436
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

1 files changed, 7 insertions, 15 deletions

diff --git a/vcl/source/filter/ipdf/pdfread.cxx b/vcl/source/filter/ipdf/pdfread.cxx
index fac5667219c1..049a51a84257 100644
--- a/vcl/source/filter/ipdf/pdfread.cxx
+++ b/vcl/source/filter/ipdf/pdfread.cxx
@@ -247,29 +247,23 @@ size_t ImportPDFUnloaded(const OUString& rURL, std::vector<std::pair<Graphic, Si
     auto pPdfium = vcl::pdf::PDFiumLibrary::get();
 
     // Load the buffer using pdfium.
-    FPDF_DOCUMENT pPdfDocument
-        = FPDF_LoadMemDocument(pGfxLink->GetData(), pGfxLink->GetDataSize(), /*password=*/nullptr);
+    auto pPdfDocument = pPdfium->openDocument(pGfxLink->GetData(), pGfxLink->GetDataSize());
+
     if (!pPdfDocument)
         return 0;
 
-    const int nPageCount = FPDF_GetPageCount(pPdfDocument);
+    const int nPageCount = pPdfDocument->getPageCount();
     if (nPageCount <= 0)
         return 0;
 
     for (int nPageIndex = 0; nPageIndex < nPageCount; ++nPageIndex)
     {
-        double fPageWidth = 0;
-        double fPageHeight = 0;
-        if (FPDF_GetPageSizeByIndex(pPdfDocument, nPageIndex, &fPageWidth, &fPageHeight) == 0)
+        basegfx::B2DSize aPageSize = pPdfDocument->getPageSize(nPageIndex);
+        if (aPageSize.getX() <= 0.0 || aPageSize.getY() <= 0.0)
             continue;
 
-        // Returned unit is points, convert that to 100th mm (hmm).
-        // 1 pt = 20 twips, 1 twip = 1.7638888888888889 hmm
-        // TODO: use some conversion class for that
-        constexpr double pointToHMMconversionRatio = 20.0 * 1.7638888888888889;
-
-        long nPageWidth = fPageWidth * pointToHMMconversionRatio;
-        long nPageHeight = fPageHeight * pointToHMMconversionRatio;
+        long nPageWidth = convertPointToMm100(aPageSize.getX());
+        long nPageHeight = convertPointToMm100(aPageSize.getY());
 
         auto aVectorGraphicDataPtr = std::make_shared<VectorGraphicData>(
             aPdfDataArray, OUString(), VectorGraphicDataType::Pdf, nPageIndex);
@@ -283,8 +277,6 @@ size_t ImportPDFUnloaded(const OUString& rURL, std::vector<std::pair<Graphic, Si
         rGraphics.emplace_back(std::move(aGraphic), Size(nPageWidth, nPageHeight));
     }
 
-    FPDF_CloseDocument(pPdfDocument);
-
     return rGraphics.size();
 #else
     (void)rURL;