#i65904# Initial revision

1 files changed, 178 insertions, 0 deletions

diff --git a/basebmp/test/linetest.cxx b/basebmp/test/linetest.cxx
new file mode 100644
index 000000000000..12e82cd0de3a
--- /dev/null
+++ b/basebmp/test/linetest.cxx
@@ -0,0 +1,178 @@
+// autogenerated file with codegen.pl
+
+#include <cppunit/simpleheader.hxx>
+
+#include <basegfx/vector/b2isize.hxx>
+#include <basegfx/point/b2ipoint.hxx>
+
+#include <basebmp/color.hxx>
+#include <basebmp/scanlineformats.hxx>
+#include <basebmp/bitmapdevice.hxx>
+#include <basebmp/debug.hxx>
+
+#include <iostream>
+#include <fstream>
+
+using namespace ::basebmp;
+
+namespace
+{
+/*
+  std::ofstream output("32bpp_test.dump");
+  debugDump( mpDevice32bpp, output );
+*/
+
+class LineTest : public CppUnit::TestFixture
+{
+private:
+    BitmapDeviceSharedPtr mpDevice1bpp;
+    BitmapDeviceSharedPtr mpDevice32bpp;
+
+    int countPixel( const BitmapDeviceSharedPtr& rDevice,
+                    Color                        checkColor ) const
+    {
+        int count(0);
+        const basegfx::B2ISize& rSize( rDevice->getSize() );
+        for( sal_Int32 y=0; y<rSize.getY(); ++y )
+            for( sal_Int32 x=0; x<rSize.getX(); ++x )
+                if( rDevice->getPixel( basegfx::B2IPoint(x,y) ) == checkColor )
+                    ++count;
+
+        return count;
+    }
+
+    void implTestBasicDiagonalLines(const BitmapDeviceSharedPtr& rDevice)
+    {
+        rDevice->clear(Color(0));
+
+        const basegfx::B2IPoint aPt1(1,1);
+        const basegfx::B2IPoint aPt2(9,9);
+        const Color aCol(0xFFFFFFFF);
+        rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
+        CPPUNIT_ASSERT_MESSAGE("first pixel set",
+                               rDevice->getPixel(aPt1) == aCol);
+        CPPUNIT_ASSERT_MESSAGE("last pixel set",
+                               rDevice->getPixel(aPt2) == aCol);
+        const basegfx::B2IPoint aPt3(0,0);
+        CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
+                               rDevice->getPixel(aPt3) != aCol);
+        const basegfx::B2IPoint aPt4(10,10);
+        CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
+                               rDevice->getPixel(aPt4) != aCol);
+
+        CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
+                               countPixel( rDevice, aCol ) == 9);
+
+        rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
+
+        CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
+                               "reversed paint is not 9",
+                               countPixel( rDevice, aCol ) == 9);
+    }
+
+    void implTestBasicVerticalLines(const BitmapDeviceSharedPtr& rDevice)
+    {
+        rDevice->clear(Color(0));
+
+        const basegfx::B2IPoint aPt1(1,1);
+        const basegfx::B2IPoint aPt2(1,9);
+        const Color aCol(0xFFFFFFFF);
+        rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
+        CPPUNIT_ASSERT_MESSAGE("first pixel set",
+                               rDevice->getPixel(aPt1) == aCol);
+        CPPUNIT_ASSERT_MESSAGE("last pixel set",
+                               rDevice->getPixel(aPt2) == aCol);
+        const basegfx::B2IPoint aPt3(0,0);
+        CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
+                               rDevice->getPixel(aPt3) != aCol);
+        const basegfx::B2IPoint aPt4(0,10);
+        CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
+                               rDevice->getPixel(aPt4) != aCol);
+
+        CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
+                               countPixel( rDevice, aCol ) == 9);
+    }
+
+    // test pixel rounding (should always tend towards start point of
+    // the line)
+    void implTestTieBreaking(const BitmapDeviceSharedPtr& rDevice)
+    {
+        rDevice->clear(Color(0));
+
+        const basegfx::B2IPoint aPt1(1,1);
+        const basegfx::B2IPoint aPt2(3,2);
+        const Color aCol(0xFFFFFFFF);
+        rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
+        CPPUNIT_ASSERT_MESSAGE("first pixel set",
+                               rDevice->getPixel(aPt1) == aCol);
+        CPPUNIT_ASSERT_MESSAGE("second pixel set",
+                               rDevice->getPixel(basegfx::B2IPoint(2,1)) == aCol);
+        CPPUNIT_ASSERT_MESSAGE("last pixel set",
+                               rDevice->getPixel(aPt2) == aCol);
+        CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
+                               "reversed paint is not 3",
+                               countPixel( rDevice, aCol ) == 3);
+
+        rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
+        CPPUNIT_ASSERT_MESSAGE("alternate second pixel set",
+                               rDevice->getPixel(basegfx::B2IPoint(2,2)) == aCol);
+
+        CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
+                               "reversed paint is not 4",
+                               countPixel( rDevice, aCol ) == 4);
+    }
+
+public:
+    void setUp()
+    {
+        const basegfx::B2ISize aSize(11,11);
+        mpDevice1bpp = createBitmapDevice( aSize,
+                                           true,
+                                           Format::ONE_BIT_MSB_PAL );
+        mpDevice32bpp = createBitmapDevice( aSize,
+                                           true,
+                                           Format::THIRTYTWO_BIT_TC_MASK );
+    }
+
+    void testBasicDiagonalLines()
+    {
+        implTestBasicDiagonalLines( mpDevice1bpp );
+        implTestBasicDiagonalLines( mpDevice32bpp );
+    }
+
+    void testBasicVerticalLines()
+    {
+        implTestBasicVerticalLines( mpDevice1bpp );
+        //implTestBasicVerticalLines( mpDevice32bpp );
+    }
+
+    // test pixel rounding (should always tend towards start point of
+    // the line)
+    void testTieBreaking()
+    {
+        implTestTieBreaking( mpDevice1bpp );
+        implTestTieBreaking( mpDevice32bpp );
+    }
+
+    // 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(LineTest);
+    CPPUNIT_TEST(testBasicDiagonalLines);
+    CPPUNIT_TEST(testBasicVerticalLines);
+    CPPUNIT_TEST(testTieBreaking);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+// -----------------------------------------------------------------------------
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(LineTest, "LineTest");
+}
+
+
+// -----------------------------------------------------------------------------
+
+// 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;
+