basebmp/test/cliptest.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  16  *   except in compliance with the License. You may obtain a copy of
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  18  */
  19
  20 #include <cppunit/TestAssert.h>
  21 #include <cppunit/TestFixture.h>
  22 #include <cppunit/extensions/HelperMacros.h>
  23
  24 #include <basegfx/vector/b2isize.hxx>
  25 #include <basegfx/point/b2ipoint.hxx>
  26 #include <basegfx/range/b2drange.hxx>
  27 #include <basegfx/range/b2ibox.hxx>
  28 #include <basegfx/polygon/b2dpolygon.hxx>
  29 #include <basegfx/polygon/b2dpolygontools.hxx>
  30 #include <basegfx/polygon/b2dpolypolygon.hxx>
  31 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  32
  33 #include <basebmp/color.hxx>
  34 #include <basebmp/scanlineformats.hxx>
  35 #include <basebmp/bitmapdevice.hxx>
  36 #include "tools.hxx"
  37
  38 using namespace ::basebmp;
  39
  40 namespace
  41 {
  42 class ClipTest : public CppUnit::TestFixture
  43 {
  44 private:
  45     BitmapDeviceSharedPtr mpClipMask;
  46     BitmapDeviceSharedPtr mpDevice1bpp;
  47     BitmapDeviceSharedPtr mpDevice32bpp;
  48
  49     void implTestPixelClip(const BitmapDeviceSharedPtr& rDevice)
  50     {
  51         const Color aBgCol(0);
  52         rDevice->clear(aBgCol);
  53
  54         const basegfx::B2IPoint aPt(0,0);
  55         const Color aCol(0xFFFFFFFF);
  56         rDevice->setPixel( aPt, aCol, DrawMode_PAINT, mpClipMask );
  57         CPPUNIT_ASSERT_MESSAGE("get/setPixel clip #1",
  58                                rDevice->getPixel(aPt) == aBgCol);
  59
  60         const basegfx::B2IPoint aPt2(10,10);
  61         rDevice->setPixel( aPt2, aCol, DrawMode_PAINT, mpClipMask );
  62         CPPUNIT_ASSERT_MESSAGE("get/setPixel clip #2",
  63                                rDevice->getPixel(aPt2) == aBgCol);
  64
  65         const basegfx::B2IPoint aPt1(10,0);
  66         rDevice->setPixel( aPt1, aCol, DrawMode_PAINT, mpClipMask );
  67         CPPUNIT_ASSERT_MESSAGE("get/setPixel clip #3",
  68                                rDevice->getPixel(aPt1) != aBgCol);
  69
  70         const basegfx::B2IPoint aPt3(0,10);
  71         rDevice->setPixel( aPt3, aCol, DrawMode_PAINT, mpClipMask );
  72         CPPUNIT_ASSERT_MESSAGE("get/setPixel clip #4",
  73                                rDevice->getPixel(aPt3) != aBgCol);
  74     }
  75
  76     void implTestLineClip(const BitmapDeviceSharedPtr& rDevice)
  77     {
  78         const Color aBgCol(0);
  79         rDevice->clear(aBgCol);
  80
  81         const basegfx::B2IPoint aPt1(0,0);
  82         const basegfx::B2IPoint aPt2(1,9);
  83         const Color aCol(0xFFFFFFFF);
  84         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT, mpClipMask );
  85
  86         const basegfx::B2IPoint aPt3(1,5);
  87         CPPUNIT_ASSERT_MESSAGE("get line pixel",
  88                                rDevice->getPixel(aPt3) != aBgCol);
  89         CPPUNIT_ASSERT_MESSAGE("number of rendered line pixel is not 4",
  90                                countPixel( rDevice,
  91                                            rDevice->getPixel(aPt3) ) == 4);
  92
  93         rDevice->drawLine( aPt1, aPt2, aCol, DrawMode_XOR, mpClipMask );
  94         CPPUNIT_ASSERT_MESSAGE("number of xor-rendered line pixel is not 0",
  95                                countPixel( rDevice,
  96                                            rDevice->getPixel(aPt3) ) == 121);
  97     }
  98
  99     void implTestFillClip(const BitmapDeviceSharedPtr& rDevice)
 100     {
 101         rDevice->clear(Color(0));
 102
 103         const basegfx::B2DRange aAllOver(-10,-10,20,20);
 104         const Color aCol(0xFFFFFFFF);
 105         rDevice->fillPolyPolygon( basegfx::B2DPolyPolygon(
 106                                       basegfx::tools::createPolygonFromRect(aAllOver)),
 107                                   aCol,
 108                                   DrawMode_PAINT,
 109                                   mpClipMask );
 110         const basegfx::B2IPoint aPt(0,10);
 111         CPPUNIT_ASSERT_MESSAGE("number of clipped pixel is not 30",
 112                                countPixel( rDevice, rDevice->getPixel(aPt) ) == 121-30);
 113
 114         rDevice->fillPolyPolygon( basegfx::B2DPolyPolygon(
 115                                       basegfx::tools::createPolygonFromRect(aAllOver)),
 116                                   aCol,
 117                                   DrawMode_PAINT );
 118         CPPUNIT_ASSERT_MESSAGE("number of filled pixel is not 121",
 119                                countPixel( rDevice, rDevice->getPixel(aPt) ) == 121);
 120
 121         rDevice->fillPolyPolygon( basegfx::B2DPolyPolygon(
 122                                       basegfx::tools::createPolygonFromRect(aAllOver)),
 123                                   aCol,
 124                                   DrawMode_XOR,
 125                                   mpClipMask );
 126         CPPUNIT_ASSERT_MESSAGE("number of xor-cleared pixel is not 91",
 127                                countPixel( rDevice, rDevice->getPixel(aPt) ) == 121-30);
 128     }
 129
 130     void implTestBmpClip(const BitmapDeviceSharedPtr& rDevice)
 131     {
 132         BitmapDeviceSharedPtr pBmp( cloneBitmapDevice(
 133                                         basegfx::B2IVector(3,3),
 134                                         rDevice ));
 135         Color aCol1(0);
 136         Color aCol2(0xFFFFFFFF);
 137         pBmp->clear(aCol1);
 138         pBmp->setPixel(basegfx::B2IPoint(0,0),aCol2,DrawMode_PAINT);
 139         pBmp->setPixel(basegfx::B2IPoint(1,1),aCol2,DrawMode_PAINT);
 140         pBmp->setPixel(basegfx::B2IPoint(2,2),aCol2,basebmp::DrawMode_PAINT);
 141
 142         rDevice->clear(aCol1);
 143         rDevice->drawBitmap(pBmp,
 144                             basegfx::B2IBox(0,0,3,3),
 145                             basegfx::B2IBox(-1,-1,4,4),
 146                             DrawMode_PAINT,
 147                             mpClipMask);
 148
 149         const basegfx::B2IPoint aPt(1,1);
 150         CPPUNIT_ASSERT_MESSAGE("number of clipped pixel is not 5",
 151                                countPixel( rDevice,
 152                                            rDevice->getPixel(aPt) ) == 5);
 153     }
 154
 155     void implTestMaskColorClip(const BitmapDeviceSharedPtr& rDevice)
 156     {
 157         sal_Int32 nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_EIGHT_BIT_GREY, rDevice->getSize().getX());
 158         BitmapDeviceSharedPtr pBmp( createBitmapDevice( rDevice->getSize(),
 159                                                         true,
 160                                                         FORMAT_EIGHT_BIT_GREY, nStride ));
 161
 162         OUString aSvg( "m 0 0h5v10h5v-5h-10z" );
 163
 164         basegfx::B2DPolyPolygon aPoly;
 165         basegfx::tools::importFromSvgD( aPoly, aSvg, false, NULL );
 166         const basebmp::Color aCol(0xFF);
 167         pBmp->clear( basebmp::Color(0) );
 168         pBmp->fillPolyPolygon(
 169             aPoly,
 170             aCol,
 171             basebmp::DrawMode_PAINT );
 172
 173         const basegfx::B2IBox aSourceRect(0,0,10,10);
 174         const basegfx::B2IPoint aDestLeftTop(0,0);
 175         const Color aCol2(0xF0F0F0F0);
 176         rDevice->drawMaskedColor(
 177             aCol2,
 178             pBmp,
 179             aSourceRect,
 180             aDestLeftTop,
 181             mpClipMask );
 182         const basegfx::B2IPoint aPt(1,1);
 183         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 41",
 184                                countPixel( rDevice, rDevice->getPixel(aPt) ) == 41);
 185
 186     }
 187
 188 public:
 189     void setUp() SAL_OVERRIDE
 190     {
 191         const basegfx::B2ISize aSize(11,11);
 192         sal_Int32 nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_ONE_BIT_MSB_GREY, aSize.getX());
 193         mpClipMask = createBitmapDevice( aSize,
 194                                          true,
 195                                          FORMAT_ONE_BIT_MSB_GREY, nStride );
 196         nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_ONE_BIT_MSB_PAL, aSize.getX());
 197         mpDevice1bpp = createBitmapDevice( aSize,
 198                                            true,
 199                                            FORMAT_ONE_BIT_MSB_PAL, nStride );
 200         nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, aSize.getX());
 201         mpDevice32bpp = createBitmapDevice( aSize,
 202                                            true,
 203                                            FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, nStride );
 204
 205         OUString aSvg( "m 0 0 h5 l5 5 v5 h-5 l-5-5 z" );
 206         basegfx::B2DPolyPolygon aPoly;
 207         basegfx::tools::importFromSvgD( aPoly, aSvg, false, NULL );
 208         mpClipMask->clear(Color(0));
 209         mpClipMask->drawPolygon(
 210             aPoly.getB2DPolygon(0),
 211             Color(0xFFFFFFFF),
 212             DrawMode_PAINT );
 213     }
 214
 215     void testPixelClip()
 216     {
 217         implTestPixelClip( mpDevice1bpp );
 218         implTestPixelClip( mpDevice32bpp );
 219     }
 220
 221     void testLineClip()
 222     {
 223         implTestLineClip( mpDevice1bpp );
 224         implTestLineClip( mpDevice32bpp );
 225     }
 226
 227     void testFillClip()
 228     {
 229         implTestFillClip( mpDevice1bpp );
 230         implTestFillClip( mpDevice32bpp );
 231     }
 232
 233     void testBmpClip()
 234     {
 235         implTestBmpClip( mpDevice1bpp );
 236         implTestBmpClip( mpDevice32bpp );
 237     }
 238
 239     void testMaskColorClip()
 240     {
 241         implTestMaskColorClip( mpDevice1bpp );
 242         implTestMaskColorClip( mpDevice32bpp );
 243     }
 244
 245     // Change the following lines only, if you add, remove or rename
 246     // member functions of the current class,
 247     // because these macros are need by auto register mechanism.
 248
 249     CPPUNIT_TEST_SUITE(ClipTest);
 250     CPPUNIT_TEST(testPixelClip);
 251     CPPUNIT_TEST(testLineClip);
 252     CPPUNIT_TEST(testFillClip);
 253     CPPUNIT_TEST(testBmpClip);
 254     CPPUNIT_TEST(testMaskColorClip);
 255     CPPUNIT_TEST_SUITE_END();
 256 };
 257
 258 CPPUNIT_TEST_SUITE_REGISTRATION(ClipTest);
 259 }
 260
 261 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */