Introduce client-server message for requesting the selected shape as SVG

It works for Impress only now.

Change-Id: I95e3e37ae7df49b567108f6d6467038b715e886d

desktop/qa/desktop_lib/test_desktop_lib.cxx

@@ -2522,9 +2522,10 @@ void DesktopLOKTest::testABI()
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(43), offsetof(struct _LibreOfficeKitDocumentClass, insertCertificate));
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(44), offsetof(struct _LibreOfficeKitDocumentClass, addCertificate));
     CPPUNIT_ASSERT_EQUAL(documentClassOffset(45), offsetof(struct _LibreOfficeKitDocumentClass, getSignatureState));
+    CPPUNIT_ASSERT_EQUAL(documentClassOffset(46), offsetof(struct _LibreOfficeKitDocumentClass, renderShapeSelection));
     // Extending is fine, update this, and add new assert for the offsetof the
     // new method
-    CPPUNIT_ASSERT_EQUAL(documentClassOffset(46), sizeof(struct _LibreOfficeKitDocumentClass));
+    CPPUNIT_ASSERT_EQUAL(documentClassOffset(47), sizeof(struct _LibreOfficeKitDocumentClass));
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(DesktopLOKTest);

desktop/source/lib/init.cxx

@@ -121,6 +121,7 @@
 #include <unotools/mediadescriptor.hxx>
 #include <unotools/pathoptions.hxx>
 #include <unotools/tempfile.hxx>
+#include <unotools/streamwrap.hxx>
 #include <osl/module.hxx>
 #include <comphelper/sequence.hxx>
 #include <sfx2/sfxbasemodel.hxx>
@@ -750,6 +751,8 @@ static bool doc_addCertificate(LibreOfficeKitDocument* pThis,
 
 static int doc_getSignatureState(LibreOfficeKitDocument* pThis);
 
+static void doc_renderShapeSelection(LibreOfficeKitDocument* pThis, char*& pOutput, size_t& nOutputSize);
+
 LibLODocument_Impl::LibLODocument_Impl(const uno::Reference <css::lang::XComponent> &xComponent)
     : mxComponent(xComponent)
 {
@@ -815,6 +818,8 @@ LibLODocument_Impl::LibLODocument_Impl(const uno::Reference <css::lang::XCompone
         m_pDocumentClass->addCertificate = doc_addCertificate;
         m_pDocumentClass->getSignatureState = doc_getSignatureState;
 
+        m_pDocumentClass->renderShapeSelection = doc_renderShapeSelection;
+
         gDocumentClass = m_pDocumentClass;
     }
     pClass = m_pDocumentClass.get();
@@ -2597,6 +2602,39 @@ static void doc_postWindowKeyEvent(LibreOfficeKitDocument* /*pThis*/, unsigned n
     }
 }
 
+static void doc_renderShapeSelection(LibreOfficeKitDocument* pThis, char*& pOutput, size_t& nOutputSize)
+{
+    SolarMutexGuard aGuard;
+    if (gImpl)
+        gImpl->maLastExceptionMsg.clear();
+
+    std::cout << "doc_renderShapeSelection" << std::endl;
+
+    LibLODocument_Impl* pDocument = static_cast<LibLODocument_Impl*>(pThis);
+
+    uno::Reference<frame::XStorable> xStorable(pDocument->mxComponent, uno::UNO_QUERY_THROW);
+
+    SvMemoryStream aOutStream;
+    uno::Reference < io::XOutputStream > xOut = new utl::OOutputStreamWrapper( aOutStream );
+
+    utl::MediaDescriptor aMediaDescriptor;
+    aMediaDescriptor["FilterName"] <<= OUString("impress_svg_Export");
+    aMediaDescriptor["SelectionOnly"] <<= true;
+    aMediaDescriptor["OutputStream"] <<= xOut;
+
+    xStorable->storeToURL("private:stream", aMediaDescriptor.getAsConstPropertyValueList());
+
+
+    size_t nStreamSize = aOutStream.GetEndOfData();
+    char* pTmp = pOutput;
+    pOutput = new char[nOutputSize + nStreamSize];
+    std::memcpy(pOutput, pTmp, nOutputSize);
+    std::memcpy(pOutput+nOutputSize, aOutStream.GetData(), nStreamSize);
+
+    nOutputSize += nStreamSize;
+    delete [] pTmp;
+}
+
 /** Class to react on finishing of a dispatched command.
 
     This will call a LOK_COMMAND_FINISHED callback when postUnoCommand was

filter/source/svg/svgfilter.cxx

@@ -341,6 +341,7 @@ sal_Bool SAL_CALL SVGFilter::filter( const Sequence< PropertyValue >& rDescripto
             {
                 // #i124608# extract single selection wanted from dialog return values
                 rDescriptor[nInd].Value >>= bSelectionOnly;
+                bPageProvided = false;
             }
             else if (rDescriptor[nInd].Name == "PagePos")
             {

include/LibreOfficeKit/LibreOfficeKit.h

@@ -347,6 +347,11 @@ struct _LibreOfficeKitDocumentClass
     /// @see lok::Document::getSignatureState().
     int (*getSignatureState) (LibreOfficeKitDocument* pThis);
 
+    /// @see lok::Document::renderShapeSelection
+    void (*renderShapeSelection) (LibreOfficeKitDocument* pThis,
+                                  char*& pOutput,
+                                  size_t& nOutputSize);
+
 #endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
 };
 

include/LibreOfficeKit/LibreOfficeKit.hxx

@@ -619,6 +619,15 @@ public:
         return mpDoc->pClass->getSignatureState(mpDoc);
     }
 
+    /**
+     * Gets an image of the selected shapes.
+     *
+     */
+    void renderShapeSelection(char*& pOutput, size_t& nOutputSize)
+    {
+        mpDoc->pClass->renderShapeSelection(mpDoc, pOutput, nOutputSize);
+    }
+
 #endif // defined LOK_USE_UNSTABLE_API || defined LIBO_INTERNAL_ONLY
 };