emfio: unit test for the EMF+ renderer

Two unit tests, which test the EMF+ records DrawString and DrawLine
independently.
To this end, a fixed view decomposition of metafiles is implemented.

The chosen primitives should be optimal, even for future extensions
of the EMF+ parser.

Change-Id: I12672d3b294ff0fdae63c7a5ce211517ef8f763c
Reviewed-on: https://gerrit.libreoffice.org/41425
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
Tested-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>

3 files changed, 42 insertions, 0 deletions

diff --git a/emfio/qa/cppunit/emf/EmfImportTest.cxx b/emfio/qa/cppunit/emf/EmfImportTest.cxx
index ca766b8b67f3..bc14c4bd3062 100644
--- a/emfio/qa/cppunit/emf/EmfImportTest.cxx
+++ b/emfio/qa/cppunit/emf/EmfImportTest.cxx
@@ -39,12 +39,16 @@ class Test : public test::BootstrapFixture, public XmlTestTools
     void checkRectPrimitive(Primitive2DSequence const & rPrimitive);
 
     void testWorking();
+    void TestDrawString();
+    void TestDrawLine();
 
     Primitive2DSequence parseEmf(const OUString& aSource);
 
 public:
     CPPUNIT_TEST_SUITE(Test);
     CPPUNIT_TEST(testWorking);
+    CPPUNIT_TEST(TestDrawString);
+    CPPUNIT_TEST(TestDrawLine);
     CPPUNIT_TEST_SUITE_END();
 };
 
@@ -88,6 +92,44 @@ void Test::testWorking()
     checkRectPrimitive(aSequenceRect);
 }
 
+void Test::TestDrawString()
+{
+    // This unit checks for a correct import of an EMF+ file with only one DrawString Record
+    // Since the text is undecorated the optimal choice is a simpletextportion primitive
+
+    // first, get the sequence of primitives and dump it
+    Primitive2DSequence aSequence = parseEmf("/emfio/qa/cppunit/emf/data/TestDrawString.emf");
+    CPPUNIT_ASSERT_EQUAL(1, (int) aSequence.getLength());
+    Primitive2dXmlDump dumper;
+    xmlDocPtr pDocument = dumper.dumpAndParse(comphelper::sequenceToContainer<Primitive2DContainer>(aSequence));
+    CPPUNIT_ASSERT (pDocument);
+
+    // check correct import of the DrawString: height, position, text, color and font
+    assertXPath(pDocument, "/primitive2D/metafile/transform/textsimpleportion", "height", "276");
+    assertXPath(pDocument, "/primitive2D/metafile/transform/textsimpleportion", "x", "25");
+    assertXPath(pDocument, "/primitive2D/metafile/transform/textsimpleportion", "y", "323");
+    assertXPath(pDocument, "/primitive2D/metafile/transform/textsimpleportion", "text", "TEST");
+    assertXPath(pDocument, "/primitive2D/metafile/transform/textsimpleportion", "fontcolor", "#000000");
+    assertXPath(pDocument, "/primitive2D/metafile/transform/textsimpleportion", "familyname", "CALIBRI");
+}
+
+void Test::TestDrawLine()
+{
+    // This unit checks for a correct import of an EMF+ file with only one DrawLine Record
+    // The line is colored and has a specified width, therefore a polypolygonstroke primitive is the optimal choice
+
+    // first, get the sequence of primitives and dump it
+    Primitive2DSequence aSequence = parseEmf("/emfio/qa/cppunit/emf/data/TestDrawLine.emf");
+    CPPUNIT_ASSERT_EQUAL(1, (int) aSequence.getLength());
+    Primitive2dXmlDump dumper;
+    xmlDocPtr pDocument = dumper.dumpAndParse(comphelper::sequenceToContainer<Primitive2DContainer>(aSequence));
+    CPPUNIT_ASSERT (pDocument);
+
+    // check correct import of the DrawLine: color and width of the line
+    assertXPath(pDocument, "/primitive2D/metafile/transform/polypolygonstroke/line", "color", "#000000");
+    assertXPath(pDocument, "/primitive2D/metafile/transform/polypolygonstroke/line", "width", "33");
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
 
 }
diff --git a/emfio/qa/cppunit/emf/data/TestDrawLine.emf b/emfio/qa/cppunit/emf/data/TestDrawLine.emf
new file mode 100644
index 000000000000..89946c523f98
--- /dev/null
+++ b/emfio/qa/cppunit/emf/data/TestDrawLine.emf
diff --git a/emfio/qa/cppunit/emf/data/TestDrawString.emf b/emfio/qa/cppunit/emf/data/TestDrawString.emf
new file mode 100644
index 000000000000..c7976f53b3c0
--- /dev/null
+++ b/emfio/qa/cppunit/emf/data/TestDrawString.emf