tdf#116266: Take into account file extension when image type is unknown

For external images there is no always exists image type,
we need to take into account the file extension to determine
its mime type.

Added unit test.

Reviewed-on: https://gerrit.libreoffice.org/52375
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Samuel Mehrbrodt <Samuel.Mehrbrodt@cib.de>
(cherry picked from commit bc906ec69d47ecde13ddf63cf3d366ec89055cfe)

Change-Id: I884ae18939b6def683bb318260c4e195da5bb252

3 files changed, 110 insertions, 0 deletions

diff --git a/sd/qa/unit/data/odp/tdf116266.odp b/sd/qa/unit/data/odp/tdf116266.odp
new file mode 100755
index 000000000000..17ce46ea59a9
--- /dev/null
+++ b/sd/qa/unit/data/odp/tdf116266.odp
diff --git a/sd/qa/unit/data/odp/tdf116266_chart.svg b/sd/qa/unit/data/odp/tdf116266_chart.svg
new file mode 100755
index 000000000000..3a3ef2d0eca5
--- /dev/null
+++ b/sd/qa/unit/data/odp/tdf116266_chart.svg
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+<svg width="120mm" height="110mm" viewBox="0 0 12000 11000" version="1.1" xmlns="http://www.w3.org/2000/svg" stroke-width="28.222" stroke-linejoin="round" xml:space="preserve">
+ <path fill="rgb(255,255,255)" stroke="none" d="M 6000,11000 L 0,11000 0,0 12000,0 12000,11000 6000,11000 Z"/>
+ <path fill="none" stroke="rgb(178,178,178)" stroke-width="30" stroke-linejoin="round" d="M 7008,10247 L 2399,10247 2399,249 11617,249 11617,10247 7008,10247 Z"/>
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+ <path fill="none" stroke="rgb(178,178,178)" stroke-width="30" stroke-linejoin="round" d="M 11617,8930 L 2399,8930"/>
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+ <text class="TextShape"><tspan class="TextParagraph" font-family="Calibri, sans-serif" font-size="635px" font-weight="400"><tspan class="TextPosition" x="1346" y="7774"><tspan fill="rgb(0,0,0)" stroke="none">200</tspan></tspan></tspan></text>
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+ <text class="TextShape"><tspan class="TextParagraph" font-family="Calibri, sans-serif" font-size="635px" font-weight="400"><tspan class="TextPosition" x="1346" y="5143"><tspan fill="rgb(0,0,0)" stroke="none">400</tspan></tspan></tspan></text>
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+ <text class="TextShape" transform="translate(675,5848) rotate(-90) translate(-675,-5848)"><tspan class="TextParagraph" font-family="Calibri, sans-serif" font-size="635px" font-weight="400"><tspan class="TextPosition" x="675" y="5848"><tspan fill="rgb(0,0,0)" stroke="none">Data</tspan></tspan></tspan></text>
+ <path fill="rgb(255,255,255)" stroke="none" d="M 6490,1975 L 3170,1975 3170,1324 9810,1324 9810,1975 6490,1975 Z"/>
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\ No newline at end of file
diff --git a/sd/qa/unit/import-tests.cxx b/sd/qa/unit/import-tests.cxx
index b8e6575a3628..0dca601168b1 100644
--- a/sd/qa/unit/import-tests.cxx
+++ b/sd/qa/unit/import-tests.cxx
@@ -173,6 +173,7 @@ public:
     void testTdf115394();
     void testTdf115394PPT();
     void testTdf115639();
+    void testTdf116266();
 
     bool checkPattern(sd::DrawDocShellRef const & rDocRef, int nShapeNumber, std::vector<sal_uInt8>& rExpected);
     void testPatternImport();
@@ -251,6 +252,7 @@ public:
     CPPUNIT_TEST(testTdf115394);
     CPPUNIT_TEST(testTdf115394PPT);
     CPPUNIT_TEST(testTdf115639);
+    CPPUNIT_TEST(testTdf116266);
 
     CPPUNIT_TEST_SUITE_END();
 };
@@ -2468,6 +2470,15 @@ void SdImportTest::testTdf115639()
     }
 }
 
+void SdImportTest::testTdf116266()
+{
+    sd::DrawDocShellRef xDocShRef = loadURL(m_directories.getURLFromSrc("/sd/qa/unit/data/odp/tdf116266.odp"), ODP);
+    SdDrawDocument *pDoc = xDocShRef->GetDoc();
+    sfx2::LinkManager* rLinkManager = pDoc->GetLinkManager();
+    // The document contains one SVG stored as a link.
+    CPPUNIT_ASSERT_EQUAL(size_t(1), rLinkManager->GetLinks().size());
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(SdImportTest);
 
 CPPUNIT_PLUGIN_IMPLEMENT();