basebmp/test/linetest.cxx

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  28
  29 // autogenerated file with codegen.pl
  30
  31 #include "sal/config.h"
  32 #include "sal/precppunit.hxx"
  33
  34 #include "cppunit/TestAssert.h"
  35 #include "cppunit/TestFixture.h"
  36 #include "cppunit/extensions/HelperMacros.h"
  37
  38 #include <basegfx/vector/b2isize.hxx>
  39 #include <basegfx/point/b2ipoint.hxx>
  40
  41 #include <basebmp/color.hxx>
  42 #include <basebmp/scanlineformats.hxx>
  43 #include <basebmp/bitmapdevice.hxx>
  44 #include "tools.hxx"
  45
  46 using namespace ::basebmp;
  47
  48 namespace
  49 {
  50 class LineTest : public CppUnit::TestFixture
  51 {
  52 private:
  53     BitmapDeviceSharedPtr mpDevice1bpp;
  54     BitmapDeviceSharedPtr mpDevice32bpp;
  55
  56     void implTestBasicDiagonalLines(const BitmapDeviceSharedPtr& rDevice)
  57     {
  58         rDevice->clear(Color(0));
  59
  60         const basegfx::B2IPoint aPt1(1,1);
  61         const basegfx::B2IPoint aPt2(9,9);
  62         const Color aCol(0xFFFFFFFF);
  63         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
  64         CPPUNIT_ASSERT_MESSAGE("first pixel set",
  65                                rDevice->getPixel(aPt1) == aCol);
  66         CPPUNIT_ASSERT_MESSAGE("last pixel set",
  67                                rDevice->getPixel(aPt2) == aCol);
  68         const basegfx::B2IPoint aPt3(0,0);
  69         CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
  70                                rDevice->getPixel(aPt3) != aCol);
  71         const basegfx::B2IPoint aPt4(10,10);
  72         CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
  73                                rDevice->getPixel(aPt4) != aCol);
  74
  75         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
  76                                countPixel( rDevice, aCol ) == 9);
  77
  78         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
  79
  80         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
  81                                "reversed paint is not 9",
  82                                countPixel( rDevice, aCol ) == 9);
  83     }
  84
  85     void implTestBasicHorizontalLines(const BitmapDeviceSharedPtr& rDevice)
  86     {
  87         rDevice->clear(Color(0));
  88
  89         const basegfx::B2IPoint aPt1(10,10);
  90         const basegfx::B2IPoint aPt2(0,10);
  91         const Color aCol(0xFFFFFFFF);
  92         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
  93         CPPUNIT_ASSERT_MESSAGE("first pixel set",
  94                                rDevice->getPixel(aPt1) == aCol);
  95         CPPUNIT_ASSERT_MESSAGE("last pixel set",
  96                                rDevice->getPixel(aPt2) == aCol);
  97         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 11",
  98                                countPixel( rDevice, aCol ) == 11);
  99
 100         rDevice->clear(Color(0));
 101         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
 102         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 103                                rDevice->getPixel(aPt1) == aCol);
 104         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 105                                rDevice->getPixel(aPt2) == aCol);
 106         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 11",
 107                                countPixel( rDevice, aCol ) == 11);
 108     }
 109
 110     void implTestBasicVerticalLines(const BitmapDeviceSharedPtr& rDevice)
 111     {
 112         rDevice->clear(Color(0));
 113
 114         const basegfx::B2IPoint aPt1(1,1);
 115         const basegfx::B2IPoint aPt2(1,9);
 116         const Color aCol(0xFFFFFFFF);
 117         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 118         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 119                                rDevice->getPixel(aPt1) == aCol);
 120         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 121                                rDevice->getPixel(aPt2) == aCol);
 122         const basegfx::B2IPoint aPt3(0,0);
 123         CPPUNIT_ASSERT_MESSAGE("topmost pixel not set",
 124                                rDevice->getPixel(aPt3) != aCol);
 125         const basegfx::B2IPoint aPt4(0,10);
 126         CPPUNIT_ASSERT_MESSAGE("bottommost pixel not set",
 127                                rDevice->getPixel(aPt4) != aCol);
 128
 129         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 9",
 130                                countPixel( rDevice, aCol ) == 9);
 131     }
 132
 133     // test pixel rounding (should always tend towards start point of
 134     // the line)
 135     void implTestTieBreaking(const BitmapDeviceSharedPtr& rDevice)
 136     {
 137         rDevice->clear(Color(0));
 138
 139         const basegfx::B2IPoint aPt1(1,1);
 140         const basegfx::B2IPoint aPt2(3,2);
 141         const Color aCol(0xFFFFFFFF);
 142         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 143         CPPUNIT_ASSERT_MESSAGE("first pixel set",
 144                                rDevice->getPixel(aPt1) == aCol);
 145         CPPUNIT_ASSERT_MESSAGE("second pixel set",
 146                                rDevice->getPixel(basegfx::B2IPoint(2,1)) == aCol);
 147         CPPUNIT_ASSERT_MESSAGE("last pixel set",
 148                                rDevice->getPixel(aPt2) == aCol);
 149         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
 150                                "reversed paint is not 3",
 151                                countPixel( rDevice, aCol ) == 3);
 152
 153         rDevice->drawLine( aPt2, aPt1, aCol, DrawMode_PAINT );
 154         CPPUNIT_ASSERT_MESSAGE("alternate second pixel set",
 155                                rDevice->getPixel(basegfx::B2IPoint(2,2)) == aCol);
 156
 157         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel after "
 158                                "reversed paint is not 4",
 159                                countPixel( rDevice, aCol ) == 4);
 160     }
 161
 162 public:
 163     void setUp()
 164     {
 165         const basegfx::B2ISize aSize(11,11);
 166         mpDevice1bpp = createBitmapDevice( aSize,
 167                                            true,
 168                                            Format::ONE_BIT_MSB_PAL );
 169         mpDevice32bpp = createBitmapDevice( aSize,
 170                                            true,
 171                                            Format::THIRTYTWO_BIT_TC_MASK );
 172     }
 173
 174     void testCornerCases()
 175     {
 176         const basegfx::B2ISize aSize(1,1);
 177         BitmapDeviceSharedPtr pDevice = createBitmapDevice(
 178             aSize,
 179             true,
 180             Format::ONE_BIT_MSB_PAL );
 181
 182         const basegfx::B2IPoint aPt1(0,0);
 183         const basegfx::B2IPoint aPt2(10,10);
 184         CPPUNIT_ASSERT_MESSAGE("only pixel cleared",
 185                                 pDevice->getPixelData(aPt1) == 0);
 186
 187         const Color aCol(0xFFFFFFFF);
 188         pDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 189         CPPUNIT_ASSERT_MESSAGE("only pixel set",
 190                                pDevice->getPixelData(aPt1) == 1);
 191
 192         const basegfx::B2ISize aSize2(1,0);
 193         pDevice = createBitmapDevice(
 194             aSize2,
 195             true,
 196             Format::ONE_BIT_MSB_PAL );
 197
 198         CPPUNIT_ASSERT_MESSAGE("only pixel cleared",
 199                                 pDevice->getPixelData(aPt1) == 0);
 200
 201         pDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
 202         CPPUNIT_ASSERT_MESSAGE("only pixel still cleared",
 203                                pDevice->getPixelData(aPt1) == 0);
 204     }
 205
 206     void testBasicDiagonalLines()
 207     {
 208         implTestBasicDiagonalLines( mpDevice1bpp );
 209         implTestBasicDiagonalLines( mpDevice32bpp );
 210     }
 211
 212     void testBasicHorizontalLines()
 213     {
 214         implTestBasicHorizontalLines( mpDevice1bpp );
 215         implTestBasicHorizontalLines( mpDevice32bpp );
 216     }
 217
 218     void testBasicVerticalLines()
 219     {
 220         implTestBasicVerticalLines( mpDevice1bpp );
 221         implTestBasicVerticalLines( mpDevice32bpp );
 222     }
 223
 224     // test pixel rounding (should always tend towards start point of
 225     // the line)
 226     void testTieBreaking()
 227     {
 228         implTestTieBreaking( mpDevice1bpp );
 229         implTestTieBreaking( mpDevice32bpp );
 230     }
 231
 232     // Change the following lines only, if you add, remove or rename
 233     // member functions of the current class,
 234     // because these macros are need by auto register mechanism.
 235
 236     CPPUNIT_TEST_SUITE(LineTest);
 237     CPPUNIT_TEST(testCornerCases);
 238     CPPUNIT_TEST(testBasicDiagonalLines);
 239     CPPUNIT_TEST(testBasicHorizontalLines);
 240     CPPUNIT_TEST(testBasicVerticalLines);
 241     CPPUNIT_TEST(testTieBreaking);
 242     CPPUNIT_TEST_SUITE_END();
 243 };
 244
 245 CPPUNIT_TEST_SUITE_REGISTRATION(LineTest);
 246 }
 247
 248 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */