basebmp/test/linetest.cxx

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  30
  31 // autogenerated file with codegen.pl
  32
  33 #include <cppunit/simpleheader.hxx>
  34
  35 #include <basegfx/vector/b2isize.hxx>
  36 #include <basegfx/point/b2ipoint.hxx>
  37
  38 #include <basebmp/color.hxx>
  39 #include <basebmp/scanlineformats.hxx>
  40 #include <basebmp/bitmapdevice.hxx>
  41 #include <basebmp/debug.hxx>
  42 #include "tools.hxx"
  43
  44 #include <iostream>
  45 #include <fstream>
  46
  47 using namespace ::basebmp;
  48
  49 namespace
  50 {
  51 /*
  52   std::ofstream output("32bpp_test.dump");
  53   debugDump( mpDevice32bpp, output );
  54 */
  55
  56 class LineTest : public CppUnit::TestFixture
  57 {
  58 private:
  59     BitmapDeviceSharedPtr mpDevice1bpp;
  60     BitmapDeviceSharedPtr mpDevice32bpp;
  61
  62     void implTestBasicDiagonalLines(const BitmapDeviceSharedPtr& rDevice)
  63     {
  64         rDevice->clear(Color(0));
  65
  66         const basegfx::B2IPoint aPt1(1,1);
  67         const basegfx::B2IPoint aPt2(9,9);
  68         const Color aCol(0xFFFFFFFF);
  69         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
  70         CPPUNIT_ASSERT_MESSAGE("first pixel set",
  71                                rDevice->getPixel(aPt1) == aCol);
  72         CPPUNIT_ASSERT_MESSAGE("last pixel set",
  73                                rDevice->getPixel(aPt2) == aCol);
  74         const basegfx::B2IPoint aPt3(0,0);
  75         CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
  76                                rDevice->getPixel(aPt3) != aCol);
  77         const basegfx::B2IPoint aPt4(10,10);
  78         CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
  79                                rDevice->getPixel(aPt4) != aCol);
  80
  81         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
  82                                countPixel( rDevice, aCol ) == 9);
  83
  84         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
  85
  86         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
  87                                "reversed paint is not 9",
  88                                countPixel( rDevice, aCol ) == 9);
  89     }
  90
  91     void implTestBasicHorizontalLines(const BitmapDeviceSharedPtr& rDevice)
  92     {
  93         rDevice->clear(Color(0));
  94
  95         const basegfx::B2IPoint aPt1(10,10);
  96         const basegfx::B2IPoint aPt2(0,10);
  97         const Color aCol(0xFFFFFFFF);
  98         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
  99         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 100                                rDevice->getPixel(aPt1) == aCol);
 101         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 102                                rDevice->getPixel(aPt2) == aCol);
 103         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 11",
 104                                countPixel( rDevice, aCol ) == 11);
 105
 106         rDevice->clear(Color(0));
 107         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
 108         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 109                                rDevice->getPixel(aPt1) == aCol);
 110         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 111                                rDevice->getPixel(aPt2) == aCol);
 112         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 11",
 113                                countPixel( rDevice, aCol ) == 11);
 114     }
 115
 116     void implTestBasicVerticalLines(const BitmapDeviceSharedPtr& rDevice)
 117     {
 118         rDevice->clear(Color(0));
 119
 120         const basegfx::B2IPoint aPt1(1,1);
 121         const basegfx::B2IPoint aPt2(1,9);
 122         const Color aCol(0xFFFFFFFF);
 123         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 124         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 125                                rDevice->getPixel(aPt1) == aCol);
 126         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 127                                rDevice->getPixel(aPt2) == aCol);
 128         const basegfx::B2IPoint aPt3(0,0);
 129         CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
 130                                rDevice->getPixel(aPt3) != aCol);
 131         const basegfx::B2IPoint aPt4(0,10);
 132         CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
 133                                rDevice->getPixel(aPt4) != aCol);
 134
 135         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
 136                                countPixel( rDevice, aCol ) == 9);
 137     }
 138
 139     // test pixel rounding (should always tend towards start point of
 140     // the line)
 141     void implTestTieBreaking(const BitmapDeviceSharedPtr& rDevice)
 142     {
 143         rDevice->clear(Color(0));
 144
 145         const basegfx::B2IPoint aPt1(1,1);
 146         const basegfx::B2IPoint aPt2(3,2);
 147         const Color aCol(0xFFFFFFFF);
 148         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 149         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 150                                rDevice->getPixel(aPt1) == aCol);
 151         CPPUNIT_ASSERT_MESSAGE("second pixel set",
 152                                rDevice->getPixel(basegfx::B2IPoint(2,1)) == aCol);
 153         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 154                                rDevice->getPixel(aPt2) == aCol);
 155         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
 156                                "reversed paint is not 3",
 157                                countPixel( rDevice, aCol ) == 3);
 158
 159         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
 160         CPPUNIT_ASSERT_MESSAGE("alternate second pixel set",
 161                                rDevice->getPixel(basegfx::B2IPoint(2,2)) == aCol);
 162
 163         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
 164                                "reversed paint is not 4",
 165                                countPixel( rDevice, aCol ) == 4);
 166     }
 167
 168 public:
 169     void setUp()
 170     {
 171         const basegfx::B2ISize aSize(11,11);
 172         mpDevice1bpp = createBitmapDevice( aSize,
 173                                            true,
 174                                            Format::ONE_BIT_MSB_PAL );
 175         mpDevice32bpp = createBitmapDevice( aSize,
 176                                            true,
 177                                            Format::THIRTYTWO_BIT_TC_MASK );
 178     }
 179
 180     void testBasicDiagonalLines()
 181     {
 182         implTestBasicDiagonalLines( mpDevice1bpp );
 183         implTestBasicDiagonalLines( mpDevice32bpp );
 184     }
 185
 186     void testBasicHorizontalLines()
 187     {
 188         implTestBasicHorizontalLines( mpDevice1bpp );
 189         implTestBasicHorizontalLines( mpDevice32bpp );
 190     }
 191
 192     void testBasicVerticalLines()
 193     {
 194         implTestBasicVerticalLines( mpDevice1bpp );
 195         implTestBasicVerticalLines( mpDevice32bpp );
 196     }
 197
 198     // test pixel rounding (should always tend towards start point of
 199     // the line)
 200     void testTieBreaking()
 201     {
 202         implTestTieBreaking( mpDevice1bpp );
 203         implTestTieBreaking( mpDevice32bpp );
 204     }
 205
 206     // Change the following lines only, if you add, remove or rename
 207     // member functions of the current class,
 208     // because these macros are need by auto register mechanism.
 209
 210     CPPUNIT_TEST_SUITE(LineTest);
 211     CPPUNIT_TEST(testBasicDiagonalLines);
 212     CPPUNIT_TEST(testBasicHorizontalLines);
 213     CPPUNIT_TEST(testBasicVerticalLines);
 214     CPPUNIT_TEST(testTieBreaking);
 215     CPPUNIT_TEST_SUITE_END();
 216 };
 217
 218 // -----------------------------------------------------------------------------
 219 CPPUNIT_TEST_SUITE_NAMED_REGISTRATION(LineTest, "LineTest");
 220 }
 221
 222
 223 // -----------------------------------------------------------------------------
 224
 225 // this macro creates an empty function, which will called by the RegisterAllFunctions()
 226 // to let the user the possibility to also register some functions by hand.
 227 //NOADDITIONAL;
 228