sd: support adding PDF text / pop-up annotations as comments

Change-Id: I3e072f011089864f3349a470a32412cc33bcc022
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96758
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>

3 files changed, 68 insertions, 5 deletions

diff --git a/include/vcl/pdfread.hxx b/include/vcl/pdfread.hxx
index a65d230279b9..d79115f40249 100644
--- a/include/vcl/pdfread.hxx
+++ b/include/vcl/pdfread.hxx
@@ -14,6 +14,7 @@
 #include <tools/gen.hxx>
 #include <tools/stream.hxx>
 #include <vcl/graph.hxx>
+#include <basegfx/range/b2drectangle.hxx>
 
 namespace com::sun::star::uno
 {
@@ -31,16 +32,27 @@ VCL_DLLPUBLIC size_t RenderPDFBitmaps(const void* pBuffer, int nSize, std::vecto
 /// Imports a PDF stream into rGraphic as VectorGraphicData.
 VCL_DLLPUBLIC bool ImportPDF(SvStream& rStream, Graphic& rGraphic);
 
+struct PDFGraphicAnnotation
+{
+    OUString maAuthor;
+    OUString maText;
+    // In HMM
+    basegfx::B2DRectangle maRectangle;
+};
+
 struct PDFGraphicResult
 {
     Graphic maGraphic;
-
     // Size in HMM
     Size maSize;
 
-    PDFGraphicResult(Graphic const& rGraphic, Size const& rSize)
+    std::vector<PDFGraphicAnnotation> maAnnotations;
+
+    PDFGraphicResult(Graphic const& rGraphic, Size const& rSize,
+                     std::vector<PDFGraphicAnnotation> const& aAnnotations)
         : maGraphic(rGraphic)
         , maSize(rSize)
+        , maAnnotations(aAnnotations)
     {
     }
 };
diff --git a/sd/source/filter/pdf/sdpdffilter.cxx b/sd/source/filter/pdf/sdpdffilter.cxx
index 2b09bc9e828e..da989974bc87 100644
--- a/sd/source/filter/pdf/sdpdffilter.cxx
+++ b/sd/source/filter/pdf/sdpdffilter.cxx
@@ -29,6 +29,11 @@
 #include <vcl/graph.hxx>
 #include <vcl/pdfread.hxx>
 
+#include <com/sun/star/office/XAnnotation.hpp>
+#include <com/sun/star/text/XText.hpp>
+
+using namespace css;
+
 SdPdfFilter::SdPdfFilter(SfxMedium& rMedium, sd::DrawDocShell& rDocShell)
     : SdFilter(rMedium, rDocShell)
 {
@@ -65,11 +70,28 @@ bool SdPdfFilter::Import()
 
         // Make the page size match the rendered image.
         pPage->SetSize(aSizeHMM);
-        Point aPosition(0, 0);
 
         SdrGrafObj* pSdrGrafObj = new SdrGrafObj(pPage->getSdrModelFromSdrPage(), rGraphic,
-                                                 tools::Rectangle(aPosition, aSizeHMM));
+                                                 tools::Rectangle(Point(), aSizeHMM));
         pPage->InsertObject(pSdrGrafObj);
+
+        for (auto const& rPDFAnnotation : rPDFGraphicResult.maAnnotations)
+        {
+            uno::Reference<office::XAnnotation> xAnnotation;
+            pPage->createAnnotation(xAnnotation);
+
+            xAnnotation->setAuthor(rPDFAnnotation.maAuthor);
+
+            uno::Reference<text::XText> xText(xAnnotation->getTextRange());
+            xText->setString(rPDFAnnotation.maText);
+            // position is in mm not 100thmm
+            geometry::RealPoint2D aUnoPosition(rPDFAnnotation.maRectangle.getMinX() / 100.0,
+                                               rPDFAnnotation.maRectangle.getMinY() / 100.00);
+            geometry::RealSize2D aUnoSize(rPDFAnnotation.maRectangle.getWidth() / 100.0,
+                                          rPDFAnnotation.maRectangle.getHeight() / 100.00);
+            xAnnotation->setPosition(aUnoPosition);
+            xAnnotation->setSize(aUnoSize);
+        }
     }
 
     return true;
diff --git a/vcl/source/filter/ipdf/pdfread.cxx b/vcl/source/filter/ipdf/pdfread.cxx
index 9845c6c387c4..b5e63937bf00 100644
--- a/vcl/source/filter/ipdf/pdfread.cxx
+++ b/vcl/source/filter/ipdf/pdfread.cxx
@@ -278,7 +278,36 @@ size_t ImportPDFUnloaded(const OUString& rURL, std::vector<PDFGraphicResult>& rG
         Graphic aGraphic(aVectorGraphicDataPtr);
         aGraphic.SetGfxLink(pGfxLink);
 
-        rGraphics.emplace_back(std::move(aGraphic), Size(nPageWidth, nPageHeight));
+        auto pPage = pPdfDocument->openPage(nPageIndex);
+
+        std::vector<PDFGraphicAnnotation> aPDFGraphicAnnotations;
+        for (int nAnnotation = 0; nAnnotation < pPage->getAnnotationCount(); nAnnotation++)
+        {
+            auto pAnnotation = pPage->getAnnotation(nAnnotation);
+            if (pAnnotation && pAnnotation->getSubType() == 1 /*FPDF_ANNOT_TEXT*/
+                && pAnnotation->hasKey(vcl::pdf::constDictionaryKeyPopup))
+            {
+                OUString sAuthor = pAnnotation->getString(vcl::pdf::constDictionaryKeyTitle);
+                OUString sText = pAnnotation->getString(vcl::pdf::constDictionaryKeyContents);
+                auto pPopupAnnotation = pAnnotation->getLinked(vcl::pdf::constDictionaryKeyPopup);
+
+                basegfx::B2DRectangle rRectangle = pAnnotation->getRectangle();
+                basegfx::B2DRectangle rRectangleHMM(
+                    convertPointToMm100(rRectangle.getMinX()),
+                    convertPointToMm100(aPageSize.getY() - rRectangle.getMinY()),
+                    convertPointToMm100(rRectangle.getMaxX()),
+                    convertPointToMm100(aPageSize.getY() - rRectangle.getMaxY()));
+
+                PDFGraphicAnnotation aPDFGraphicAnnotation;
+                aPDFGraphicAnnotation.maRectangle = rRectangleHMM;
+                aPDFGraphicAnnotation.maAuthor = sAuthor;
+                aPDFGraphicAnnotation.maText = sText;
+                aPDFGraphicAnnotations.push_back(aPDFGraphicAnnotation);
+            }
+        }
+
+        rGraphics.emplace_back(std::move(aGraphic), Size(nPageWidth, nPageHeight),
+                               aPDFGraphicAnnotations);
     }
 
     return rGraphics.size();