tdf#97542: SVGIO: First check the current fill attribute

Differenciate when gradient is defined in the text element or in its parents

Add unit tests

Change-Id: I85b09f72fbb1a3c8d2fa7350b4396b5bf924277f
Reviewed-on: https://gerrit.libreoffice.org/22131
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Jochen Nitschke <j.nitschke+logerrit@ok.de>
Reviewed-by: Xisco Faulí <anistenis@gmail.com>

4 files changed, 71 insertions, 6 deletions

diff --git a/svgio/qa/cppunit/SvgImportTest.cxx b/svgio/qa/cppunit/SvgImportTest.cxx
index 50a7ef7231f2..921422387f5f 100644
--- a/svgio/qa/cppunit/SvgImportTest.cxx
+++ b/svgio/qa/cppunit/SvgImportTest.cxx
@@ -45,6 +45,8 @@ class Test : public test::BootstrapFixture, public XmlTestTools
     void testTdf45771();
     void testTdf85770();
     void testTdf79163();
+    void testTdf97542_1();
+    void testTdf97542_2();
 
     Primitive2DSequence parseSvg(const char* aSource);
 
@@ -60,6 +62,8 @@ public:
     CPPUNIT_TEST(testTdf45771);
     CPPUNIT_TEST(testTdf85770);
     CPPUNIT_TEST(testTdf79163);
+    CPPUNIT_TEST(testTdf97542_1);
+    CPPUNIT_TEST(testTdf97542_2);
     CPPUNIT_TEST_SUITE_END();
 };
 
@@ -237,6 +241,34 @@ void Test::testTdf79163()
     assertXPath(pDocument, "/primitive2D/transform/mask/unifiedtransparence", "transparence", "0");
 }
 
+void Test::testTdf97542_1()
+{
+    Primitive2DSequence aSequenceTdf97542_1 = parseSvg("/svgio/qa/cppunit/data/tdf97542_1.svg");
+    CPPUNIT_ASSERT_EQUAL(1, (int)aSequenceTdf97542_1.getLength());
+
+    Primitive2dXmlDump dumper;
+    xmlDocPtr pDocument = dumper.dumpAndParse(comphelper::sequenceToContainer<Primitive2DContainer>(aSequenceTdf97542_1));
+
+    CPPUNIT_ASSERT (pDocument);
+
+    assertXPath(pDocument, "/primitive2D/transform/objectinfo/textsimpleportion", "fontcolor", "#ffff00");
+}
+
+void Test::testTdf97542_2()
+{
+    Primitive2DSequence aSequenceTdf97542_2 = parseSvg("/svgio/qa/cppunit/data/tdf97542_2.svg");
+    CPPUNIT_ASSERT_EQUAL(1, (int)aSequenceTdf97542_2.getLength());
+
+    Primitive2dXmlDump dumper;
+    xmlDocPtr pDocument = dumper.dumpAndParse(comphelper::sequenceToContainer<Primitive2DContainer>(aSequenceTdf97542_2));
+
+    CPPUNIT_ASSERT (pDocument);
+
+    assertXPath(pDocument, "/primitive2D/transform/objectinfo/svgradialgradient[1]", "x", "1");
+    assertXPath(pDocument, "/primitive2D/transform/objectinfo/svgradialgradient[1]", "y", "1");
+    assertXPath(pDocument, "/primitive2D/transform/objectinfo/svgradialgradient[1]", "radius", "3");
+}
+
 CPPUNIT_TEST_SUITE_REGISTRATION(Test);
 
 }
diff --git a/svgio/qa/cppunit/data/tdf97542_1.svg b/svgio/qa/cppunit/data/tdf97542_1.svg
new file mode 100644
index 000000000000..328bd971ac8e
--- /dev/null
+++ b/svgio/qa/cppunit/data/tdf97542_1.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<svg width="200" height="50" xmlns="http://www.w3.org/2000/svg">
+ <!-- Created with SVG-edit - http://svg-edit.googlecode.com/ -->
+ <defs>
+  <radialGradient id="svg_2" cx="0.5" cy="0.5" r="0.5">
+   <stop offset="0" stop-color="#ff0000"/>
+   <stop offset="1" stop-color="#000000"/>
+  </radialGradient>
+ </defs>
+ <g fill="url(#svg_2)" >
+  <title>Layer 1</title>
+  <rect id="svg_1" height="50" width="200" y="0" x="0"/>
+  <text x="50" y="40" id="svg_12" font-size="48" font-family="serif" fill="#ffff00">Text</text>
+ </g>
+</svg>
diff --git a/svgio/qa/cppunit/data/tdf97542_2.svg b/svgio/qa/cppunit/data/tdf97542_2.svg
new file mode 100644
index 000000000000..03cee9683e0b
--- /dev/null
+++ b/svgio/qa/cppunit/data/tdf97542_2.svg
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<svg width="200" height="50" xmlns="http://www.w3.org/2000/svg">
+ <!-- Created with SVG-edit - http://svg-edit.googlecode.com/ -->
+ <defs>
+  <radialGradient id="svg_2" cx="1" cy="1" r="3">
+   <stop offset="0" stop-color="#ff0000"/>
+   <stop offset="1" stop-color="#000000"/>
+  </radialGradient>
+ </defs>
+ <g fill="#ffff00">
+  <title>Layer 1</title>
+  <rect id="svg_1" height="50" width="200" y="0" x="0" />
+  <text x="50" y="40" id="svg_12" font-size="48" font-family="serif" fill="url(#svg_2)">Text</text>
+ </g>
+</svg>
diff --git a/svgio/source/svgreader/svgstyleattributes.cxx b/svgio/source/svgreader/svgstyleattributes.cxx
index 2ae8a06054a4..1f592e7d73d7 100644
--- a/svgio/source/svgreader/svgstyleattributes.cxx
+++ b/svgio/source/svgreader/svgstyleattributes.cxx
@@ -263,6 +263,9 @@ namespace svgio
                 // dismantle to geometry and add needed primitives
                 const basegfx::BColor* pFill = getFill();
                 const SvgGradientNode* pFillGradient = getSvgGradientNodeFill();
+                const SvgStyleAttributes* pSvgStyleAttributes = getParentStyle();
+                const SvgGradientNode* pParentFillGradient =
+                    pSvgStyleAttributes ? pSvgStyleAttributes->getSvgGradientNodeFill() : nullptr;
                 const SvgPatternNode* pFillPattern = getSvgPatternNodeFill();
                 const basegfx::BColor* pStroke = getStroke();
                 const SvgGradientNode* pStrokeGradient = getSvgGradientNodeStroke();
@@ -303,20 +306,20 @@ namespace svgio
 
                 const bool bStrokeUsed(pStroke || pStrokeGradient || pStrokePattern);
 
+                if(pFill && (!pFillGradient || pParentFillGradient))
+                {
+                    // add the already prepared primitives for single color fill
+                    rTarget.append(rSource);
+                }
                 // add fill. Use geometry even for simple color fill when stroke
                 // is used, else text rendering and the geometry-based stroke will
                 // normally not really match optically due to diverse system text
                 // renderers
-                if(aMergedArea.count() && (pFillGradient || pFillPattern || bStrokeUsed))
+                else if(aMergedArea.count() && (pFillGradient || pFillPattern || bStrokeUsed))
                 {
                     // create text fill content based on geometry
                     add_fill(aMergedArea, rTarget, aMergedArea.getB2DRange());
                 }
-                else if(pFill)
-                {
-                    // add the already prepared primitives for single color fill
-                    rTarget.append(rSource);
-                }
 
                 // add stroke
                 if(aMergedArea.count() && bStrokeUsed)