basebmp/test/linetest.cxx

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  27
  28 // autogenerated file with codegen.pl
  29
  30 #include "cppunit/TestAssert.h"
  31 #include "cppunit/TestFixture.h"
  32 #include "cppunit/extensions/HelperMacros.h"
  33
  34 #include <basegfx/vector/b2isize.hxx>
  35 #include <basegfx/point/b2ipoint.hxx>
  36
  37 #include <basebmp/color.hxx>
  38 #include <basebmp/scanlineformats.hxx>
  39 #include <basebmp/bitmapdevice.hxx>
  40 #include <basebmp/debug.hxx>
  41 #include "tools.hxx"
  42
  43 #include <iostream>
  44 #include <fstream>
  45
  46 using namespace ::basebmp;
  47
  48 namespace
  49 {
  50 /*
  51   std::ofstream output("32bpp_test.dump");
  52   debugDump( mpDevice32bpp, output );
  53 */
  54
  55 class LineTest : public CppUnit::TestFixture
  56 {
  57 private:
  58     BitmapDeviceSharedPtr mpDevice1bpp;
  59     BitmapDeviceSharedPtr mpDevice32bpp;
  60
  61     void implTestBasicDiagonalLines(const BitmapDeviceSharedPtr& rDevice)
  62     {
  63         rDevice->clear(Color(0));
  64
  65         const basegfx::B2IPoint aPt1(1,1);
  66         const basegfx::B2IPoint aPt2(9,9);
  67         const Color aCol(0xFFFFFFFF);
  68         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
  69         CPPUNIT_ASSERT_MESSAGE("first pixel set",
  70                                rDevice->getPixel(aPt1) == aCol);
  71         CPPUNIT_ASSERT_MESSAGE("last pixel set",
  72                                rDevice->getPixel(aPt2) == aCol);
  73         const basegfx::B2IPoint aPt3(0,0);
  74         CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
  75                                rDevice->getPixel(aPt3) != aCol);
  76         const basegfx::B2IPoint aPt4(10,10);
  77         CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
  78                                rDevice->getPixel(aPt4) != aCol);
  79
  80         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
  81                                countPixel( rDevice, aCol ) == 9);
  82
  83         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
  84
  85         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
  86                                "reversed paint is not 9",
  87                                countPixel( rDevice, aCol ) == 9);
  88     }
  89
  90     void implTestBasicHorizontalLines(const BitmapDeviceSharedPtr& rDevice)
  91     {
  92         rDevice->clear(Color(0));
  93
  94         const basegfx::B2IPoint aPt1(10,10);
  95         const basegfx::B2IPoint aPt2(0,10);
  96         const Color aCol(0xFFFFFFFF);
  97         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
  98         CPPUNIT_ASSERT_MESSAGE("first pixel set",
  99                                rDevice->getPixel(aPt1) == aCol);
 100         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 101                                rDevice->getPixel(aPt2) == aCol);
 102         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 11",
 103                                countPixel( rDevice, aCol ) == 11);
 104
 105         rDevice->clear(Color(0));
 106         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
 107         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 108                                rDevice->getPixel(aPt1) == aCol);
 109         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 110                                rDevice->getPixel(aPt2) == aCol);
 111         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 11",
 112                                countPixel( rDevice, aCol ) == 11);
 113     }
 114
 115     void implTestBasicVerticalLines(const BitmapDeviceSharedPtr& rDevice)
 116     {
 117         rDevice->clear(Color(0));
 118
 119         const basegfx::B2IPoint aPt1(1,1);
 120         const basegfx::B2IPoint aPt2(1,9);
 121         const Color aCol(0xFFFFFFFF);
 122         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 123         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 124                                rDevice->getPixel(aPt1) == aCol);
 125         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 126                                rDevice->getPixel(aPt2) == aCol);
 127         const basegfx::B2IPoint aPt3(0,0);
 128         CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
 129                                rDevice->getPixel(aPt3) != aCol);
 130         const basegfx::B2IPoint aPt4(0,10);
 131         CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
 132                                rDevice->getPixel(aPt4) != aCol);
 133
 134         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
 135                                countPixel( rDevice, aCol ) == 9);
 136     }
 137
 138     // test pixel rounding (should always tend towards start point of
 139     // the line)
 140     void implTestTieBreaking(const BitmapDeviceSharedPtr& rDevice)
 141     {
 142         rDevice->clear(Color(0));
 143
 144         const basegfx::B2IPoint aPt1(1,1);
 145         const basegfx::B2IPoint aPt2(3,2);
 146         const Color aCol(0xFFFFFFFF);
 147         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 148         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 149                                rDevice->getPixel(aPt1) == aCol);
 150         CPPUNIT_ASSERT_MESSAGE("second pixel set",
 151                                rDevice->getPixel(basegfx::B2IPoint(2,1)) == aCol);
 152         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 153                                rDevice->getPixel(aPt2) == aCol);
 154         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
 155                                "reversed paint is not 3",
 156                                countPixel( rDevice, aCol ) == 3);
 157
 158         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
 159         CPPUNIT_ASSERT_MESSAGE("alternate second pixel set",
 160                                rDevice->getPixel(basegfx::B2IPoint(2,2)) == aCol);
 161
 162         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
 163                                "reversed paint is not 4",
 164                                countPixel( rDevice, aCol ) == 4);
 165     }
 166
 167 public:
 168     void setUp()
 169     {
 170         const basegfx::B2ISize aSize(11,11);
 171         mpDevice1bpp = createBitmapDevice( aSize,
 172                                            true,
 173                                            Format::ONE_BIT_MSB_PAL );
 174         mpDevice32bpp = createBitmapDevice( aSize,
 175                                            true,
 176                                            Format::THIRTYTWO_BIT_TC_MASK );
 177     }
 178
 179     void testBasicDiagonalLines()
 180     {
 181         implTestBasicDiagonalLines( mpDevice1bpp );
 182         implTestBasicDiagonalLines( mpDevice32bpp );
 183     }
 184
 185     void testBasicHorizontalLines()
 186     {
 187         implTestBasicHorizontalLines( mpDevice1bpp );
 188         implTestBasicHorizontalLines( mpDevice32bpp );
 189     }
 190
 191     void testBasicVerticalLines()
 192     {
 193         implTestBasicVerticalLines( mpDevice1bpp );
 194         implTestBasicVerticalLines( mpDevice32bpp );
 195     }
 196
 197     // test pixel rounding (should always tend towards start point of
 198     // the line)
 199     void testTieBreaking()
 200     {
 201         implTestTieBreaking( mpDevice1bpp );
 202         implTestTieBreaking( mpDevice32bpp );
 203     }
 204
 205     // Change the following lines only, if you add, remove or rename
 206     // member functions of the current class,
 207     // because these macros are need by auto register mechanism.
 208
 209     CPPUNIT_TEST_SUITE(LineTest);
 210     CPPUNIT_TEST(testBasicDiagonalLines);
 211     CPPUNIT_TEST(testBasicHorizontalLines);
 212     CPPUNIT_TEST(testBasicVerticalLines);
 213     CPPUNIT_TEST(testTieBreaking);
 214     CPPUNIT_TEST_SUITE_END();
 215 };
 216
 217 // -----------------------------------------------------------------------------
 218 CPPUNIT_TEST_SUITE_REGISTRATION(LineTest);
 219 }
 220
 221
 222 // -----------------------------------------------------------------------------
 223
 224 // this macro creates an empty function, which will called by the RegisterAllFunctions()
 225 // to let the user the possibility to also register some functions by hand.
 226 //NOADDITIONAL;
 227