support opacity for widget definition draw SVGs

This opacity influences the whole shape (stroke and fill).

Change-Id: I82e10e07dbf2f321805b55a5f4831a513e52dab8
Reviewed-on: https://gerrit.libreoffice.org/70292
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
(cherry picked from commit fcb00ac8ebe2acb429f09ef5b728b8c73a5bbc37)

4 files changed, 12 insertions, 2 deletions

diff --git a/svgio/qa/cppunit/SvgRead.cxx b/svgio/qa/cppunit/SvgRead.cxx
index 996be9d21f08..2319ef44879d 100644
--- a/svgio/qa/cppunit/SvgRead.cxx
+++ b/svgio/qa/cppunit/SvgRead.cxx
@@ -75,7 +75,7 @@ uno::Reference<io::XInputStream> TestParsing::parseSvg(const OUString& aSource)
 
 void TestParsing::testSimpleRectangle()
 {
-    OUString aSvgFile = "/svgio/qa/cppunit/data/Rect.svg";
+    OUString aSvgFile = "/svgio/qa/cppunit/data/VisiotorTest-Rect.svg";
     OUString aUrl = m_directories.getURLFromSrc(aSvgFile);
     OUString aPath = m_directories.getPathFromSrc(aSvgFile);
 
@@ -103,6 +103,7 @@ void TestParsing::testSimpleRectangle()
     CPPUNIT_ASSERT_EQUAL(sal_Int32(0xff0000), sal_Int32(Color(*pDrawRect->mpStrokeColor)));
     CPPUNIT_ASSERT(bool(pDrawRect->mpFillColor));
     CPPUNIT_ASSERT_EQUAL(sal_Int32(0x00cc00), sal_Int32(Color(*pDrawRect->mpFillColor)));
+    CPPUNIT_ASSERT_DOUBLES_EQUAL(0.1, pDrawRect->mnOpacity, 1E-12);
 }
 
 void TestParsing::testPath()
@@ -134,6 +135,7 @@ void TestParsing::testPath()
     CPPUNIT_ASSERT_EQUAL(sal_Int32(0xffffff), sal_Int32(Color(*pDrawPath->mpStrokeColor)));
     CPPUNIT_ASSERT(bool(pDrawPath->mpFillColor));
     CPPUNIT_ASSERT_EQUAL(sal_Int32(0x007aff), sal_Int32(Color(*pDrawPath->mpFillColor)));
+    CPPUNIT_ASSERT_DOUBLES_EQUAL(0.1, pDrawPath->mnOpacity, 1E-12);
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(TestParsing);
diff --git a/svgio/qa/cppunit/data/VisiotorTest-Rect.svg b/svgio/qa/cppunit/data/VisiotorTest-Rect.svg
new file mode 100644
index 000000000000..4cd2d3602ea3
--- /dev/null
+++ b/svgio/qa/cppunit/data/VisiotorTest-Rect.svg
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<svg width="120" height="120" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+   <rect x="10" y="10" width="100" height="100" rx="10" ry="10" stroke="#ff0000" opacity="0.1" fill="#00cc00" stroke-width="3" />
+</svg>
diff --git a/svgio/qa/cppunit/data/path.svg b/svgio/qa/cppunit/data/path.svg
index 1722181c872e..559ceec6d557 100644
--- a/svgio/qa/cppunit/data/path.svg
+++ b/svgio/qa/cppunit/data/path.svg
@@ -1,3 +1,3 @@
 <svg width="44" height="26" xmlns="http://www.w3.org/2000/svg">
-  <path d="M1 1 H 43 V 25 H 1 L 1 1 Z" fill="#007aff" stroke="#fff" stroke-width="0"/>
+  <path d="M1 1 H 43 V 25 H 1 L 1 1 Z" fill="#007aff" stroke="#fff" opacity="0.1" stroke-width="0"/>
 </svg>
diff --git a/svgio/source/svgreader/svgvisitor.cxx b/svgio/source/svgreader/svgvisitor.cxx
index 7b92e2fd0afb..011ce5492fa3 100644
--- a/svgio/source/svgreader/svgvisitor.cxx
+++ b/svgio/source/svgreader/svgvisitor.cxx
@@ -74,6 +74,8 @@ void SvgDrawVisitor::visit(svgio::svgreader::SvgNode const& rNode)
             pRectangle->mnStrokeWidth
                 = rRectNode.getSvgStyleAttributes()->getStrokeWidth().getNumber();
 
+            pRectangle->mnOpacity = rRectNode.getSvgStyleAttributes()->getOpacity().getNumber();
+
             const basegfx::BColor* pFillColor = rRectNode.getSvgStyleAttributes()->getFill();
             if (pFillColor)
                 pRectangle->mpFillColor = std::make_shared<basegfx::BColor>(*pFillColor);
@@ -97,6 +99,8 @@ void SvgDrawVisitor::visit(svgio::svgreader::SvgNode const& rNode)
                 pDrawPath->mnStrokeWidth
                     = rPathNode.getSvgStyleAttributes()->getStrokeWidth().getNumber();
 
+                pDrawPath->mnOpacity = rPathNode.getSvgStyleAttributes()->getOpacity().getNumber();
+
                 const basegfx::BColor* pFillColor = rPathNode.getSvgStyleAttributes()->getFill();
                 if (pFillColor)
                     pDrawPath->mpFillColor = std::make_shared<basegfx::BColor>(*pFillColor);