tdf#112557: Subtitle placeholder shape leads to corrupted PPTX file

Reviewed-on: https://gerrit.libreoffice.org/42611
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Tamás Zolnai <tamas.zolnai@collabora.com>
(cherry picked from commit 238cfa9efa21f08514703ea6cc181ce02d8feb12)

Change-Id: I26680ecdb5f0db4f27180c221de062341af0265c
Reviewed-on: https://gerrit.libreoffice.org/42651
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>

3 files changed, 21 insertions, 4 deletions

diff --git a/sd/qa/unit/data/odp/tdf112557.odp b/sd/qa/unit/data/odp/tdf112557.odp
new file mode 100755
index 000000000000..5587e7fcef82
--- /dev/null
+++ b/sd/qa/unit/data/odp/tdf112557.odp
diff --git a/sd/qa/unit/export-tests-ooxml2.cxx b/sd/qa/unit/export-tests-ooxml2.cxx
index 0cea10d65a8f..13accd5e5c13 100644
--- a/sd/qa/unit/export-tests-ooxml2.cxx
+++ b/sd/qa/unit/export-tests-ooxml2.cxx
@@ -108,6 +108,7 @@ public:
     void testTdf106867();
     void testTdf112280();
     void testTdf112552();
+    void testTdf112557();
 
     CPPUNIT_TEST_SUITE(SdOOXMLExportTest2);
 
@@ -139,6 +140,7 @@ public:
     CPPUNIT_TEST(testTdf106867);
     CPPUNIT_TEST(testTdf112280);
     CPPUNIT_TEST(testTdf112552);
+    CPPUNIT_TEST(testTdf112557);
 
     CPPUNIT_TEST_SUITE_END();
 
@@ -872,6 +874,18 @@ void SdOOXMLExportTest2::testTdf112552()
     xDocShRef->DoClose();
 }
 
+void SdOOXMLExportTest2::testTdf112557()
+{
+    // Subtitle shape should be skipped by export.
+    ::sd::DrawDocShellRef xDocShRef = loadURL(m_directories.getURLFromSrc("/sd/qa/unit/data/odp/tdf112557.odp"), ODP);
+    utl::TempFile tempFile;
+    xDocShRef = saveAndReload(xDocShRef.get(), PPTX, &tempFile);
+
+    xmlDocPtr pXmlDocContent = parseExport(tempFile, "ppt/slideMasters/slideMaster1.xml");
+    assertXPath(pXmlDocContent, "/p:sldMaster/p:cSld/p:spTree/p:sp", 2); // title and object
+    xDocShRef->DoClose();
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(SdOOXMLExportTest2);
 
 CPPUNIT_PLUGIN_IMPLEMENT();
diff --git a/sd/source/filter/eppt/pptx-epptooxml.cxx b/sd/source/filter/eppt/pptx-epptooxml.cxx
index 7557a73e5a4d..5d59edfebda0 100644
--- a/sd/source/filter/eppt/pptx-epptooxml.cxx
+++ b/sd/source/filter/eppt/pptx-epptooxml.cxx
@@ -310,8 +310,11 @@ ShapeExport& PowerPointShapeExport::WriteUnknownShape( const Reference< XShape >
     }
     else if ( sShapeType == "com.sun.star.presentation.SubtitleShape" )
     {
-        if( !WritePlaceholder( xShape, Subtitle, mbMaster ) )
-            ShapeExport::WriteTextShape( xShape );
+        if(mePageType != MASTER)
+        {
+            if( !WritePlaceholder( xShape, Subtitle, mbMaster ) )
+                ShapeExport::WriteTextShape( xShape );
+        }
     }
     else
         SAL_WARN("sd.eppt", "unknown shape not handled: " << USS(sShapeType));
@@ -1911,7 +1914,7 @@ void PowerPointExport::ImplWriteSlideMaster( sal_uInt32 nPageNum, Reference< XPr
     pFS->startElementNS( XML_p, XML_cSld, FSEND );
 
     ImplWriteBackground( pFS, aXBackgroundPropSet );
-    WriteShapeTree( pFS, LAYOUT, true );
+    WriteShapeTree( pFS, MASTER, true );
 
     pFS->endElementNS( XML_p, XML_cSld );
 
@@ -2068,7 +2071,7 @@ void PowerPointExport::WriteShapeTree( const FSHelperPtr& pFS, PageType ePageTyp
 
 ShapeExport& PowerPointShapeExport::WritePageShape( const Reference< XShape >& xShape, PageType ePageType, bool bPresObj )
 {
-    if( ( ePageType == NOTICE && bPresObj ) || ePageType == LAYOUT )
+    if( ( ePageType == NOTICE && bPresObj ) || ePageType == LAYOUT || ePageType == MASTER)
         return WritePlaceholderShape( xShape, SlideImage );
 
     return WriteTextShape( xShape );