#i105937# Much improved gradient support for canvas/basegfx/drawinglayer.

See http://blog.thebehrens.net/2009/07/28/hackweek-iv-canvas-convwatch/ for more background information

2 files changed, 120 insertions, 0 deletions

diff --git a/basegfx/test/basegfxtools.cxx b/basegfx/test/basegfxtools.cxx
new file mode 100644
index 000000000000..6ace65c5894d
--- /dev/null
+++ b/basegfx/test/basegfxtools.cxx
@@ -0,0 +1,119 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: basegfx2d.cxx,v $
+ * $Revision: 1.14 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_basegfx.hxx"
+// autogenerated file with codegen.pl
+
+#include <cppunit/simpleheader.hxx>
+
+#include <basegfx/tools/keystoplerp.hxx>
+#include <basegfx/numeric/ftools.hxx>
+
+#include <boost/tuple/tuple.hpp>
+
+using namespace ::basegfx;
+using namespace ::boost::tuples;
+
+namespace basegfxtools
+{
+
+class KeyStopLerpTest : public CppUnit::TestFixture
+{
+    tools::KeyStopLerp maKeyStops;
+
+    static std::vector<double> getTestVector()
+    {
+        std::vector<double> aStops(3);
+        aStops[0] = 0.1;
+        aStops[1] = 0.5;
+        aStops[2] = 0.9;
+        return aStops;
+    }
+
+public:
+    KeyStopLerpTest() :
+        maKeyStops(getTestVector())
+    {}
+
+    void setUp()
+    {}
+
+    void tearDown()
+    {}
+
+    void test()
+    {
+        double fAlpha;
+        std::ptrdiff_t nIndex;
+
+        tie(nIndex,fAlpha) = maKeyStops.lerp(-1.0);
+        CPPUNIT_ASSERT_MESSAGE("-1.0", nIndex==0 && fAlpha==0.0);
+
+        tie(nIndex,fAlpha) = maKeyStops.lerp(0.1);
+        CPPUNIT_ASSERT_MESSAGE("0.1", nIndex==0 && fAlpha==0.0);
+
+        tie(nIndex,fAlpha) = maKeyStops.lerp(0.3);
+        CPPUNIT_ASSERT_MESSAGE("0.3", nIndex==0 && fTools::equal(fAlpha,0.5));
+
+        tie(nIndex,fAlpha) = maKeyStops.lerp(0.5);
+        CPPUNIT_ASSERT_MESSAGE("0.5", nIndex==0 && fTools::equal(fAlpha,1.0));
+
+        tie(nIndex,fAlpha) = maKeyStops.lerp(0.51);
+        CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fTools::equal(fAlpha,0.025));
+
+        tie(nIndex,fAlpha) = maKeyStops.lerp(0.9);
+        CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fTools::equal(fAlpha,1.0));
+
+        tie(nIndex,fAlpha) = maKeyStops.lerp(1.0);
+        CPPUNIT_ASSERT_MESSAGE("0.51", nIndex==1 && fAlpha==1.0);
+    }
+
+    // Change the following lines only, if you add, remove or rename
+    // member functions of the current class,
+    // because these macros are need by auto register mechanism.
+
+    CPPUNIT_TEST_SUITE(KeyStopLerpTest);
+    CPPUNIT_TEST(test);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+// -----------------------------------------------------------------------------
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(basegfxtools::KeyStopLerpTest, "basegfxtools");
+} // namespace basegfxtools
+
+
+// -----------------------------------------------------------------------------
+
+// this macro creates an empty function, which will called by the RegisterAllFunctions()
+// to let the user the possibility to also register some functions by hand.
+// NOADDITIONAL;
+
diff --git a/basegfx/test/makefile.mk b/basegfx/test/makefile.mk
index 1bd4d59b98d5..bc44daffd27c 100644
--- a/basegfx/test/makefile.mk
+++ b/basegfx/test/makefile.mk
@@ -46,6 +46,7 @@ SHL1OBJS=  \
     $(SLO)$/basegfx1d.obj \
     $(SLO)$/basegfx2d.obj \
     $(SLO)$/basegfx3d.obj \
+    $(SLO)$/basegfxtools.obj \
     $(SLO)$/testtools.obj	
 
 # linking statically against basegfx parts