basebmp/test/bmpmasktest.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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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/range/b2ibox.hxx>
  26 #include <basegfx/point/b2ipoint.hxx>
  27 #include <basegfx/polygon/b2dpolygon.hxx>
  28 #include <basegfx/polygon/b2dpolygontools.hxx>
  29 #include <basegfx/polygon/b2dpolypolygon.hxx>
  30 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  31
  32 #include <basebmp/color.hxx>
  33 #include <basebmp/scanlineformats.hxx>
  34 #include <basebmp/bitmapdevice.hxx>
  35 #include "tools.hxx"
  36
  37 using namespace ::basebmp;
  38
  39 namespace
  40 {
  41 class BmpMaskTest : public CppUnit::TestFixture
  42 {
  43 private:
  44     BitmapDeviceSharedPtr mpDevice1bpp;
  45     BitmapDeviceSharedPtr mpMaskBmp1bpp;
  46     BitmapDeviceSharedPtr mpBmp1bpp;
  47     BitmapDeviceSharedPtr mpDevice32bpp;
  48     BitmapDeviceSharedPtr mpBmp32bpp;
  49
  50     void implTestBmpBasics(const BitmapDeviceSharedPtr& rDevice,
  51                            const BitmapDeviceSharedPtr& rBmp)
  52     {
  53         rDevice->clear(Color(0));
  54         const Color aCol(0xFFFFFFFF);
  55
  56         const basegfx::B2IBox aSourceRect(0,0,10,10);
  57         const basegfx::B2IBox aDestAll(0,0,10,10);
  58
  59         rDevice->drawMaskedBitmap(
  60             rBmp,
  61             mpMaskBmp1bpp,
  62             aSourceRect,
  63             aDestAll,
  64             DrawMode::DrawMode_PAINT );
  65         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 30",
  66                                countPixel( rDevice, aCol ) == 30);
  67     }
  68
  69     void implTestBmpScaledClip(const BitmapDeviceSharedPtr& rDevice,
  70                                const BitmapDeviceSharedPtr& rBmp)
  71     {
  72         rDevice->clear(Color(0));
  73         const Color aCol(0xFFFFFFFF);
  74
  75         const basegfx::B2IBox aSourceRect(0,0,10,10);
  76         const basegfx::B2IBox aDestLeftTop(0,0,6,6);
  77
  78         rDevice->drawMaskedBitmap(
  79             rBmp,
  80             mpMaskBmp1bpp,
  81             aSourceRect,
  82             aDestLeftTop,
  83             DrawMode_PAINT );
  84         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 12",
  85                                countPixel( rDevice, aCol ) == 12);
  86     }
  87
  88 public:
  89     void setUp() SAL_OVERRIDE
  90     {
  91         const basegfx::B2ISize aSize(10,10);
  92         mpDevice1bpp = createBitmapDevice( aSize,
  93                                            true,
  94                                            FORMAT_ONE_BIT_MSB_PAL,
  95                                            basebmp::getBitmapDeviceStrideForWidth(FORMAT_ONE_BIT_MSB_PAL, aSize.getX()));
  96         mpDevice32bpp = createBitmapDevice( aSize,
  97                                             true,
  98                                             FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA,
  99                                             basebmp::getBitmapDeviceStrideForWidth(FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, aSize.getX()));
 100
 101         mpMaskBmp1bpp = createBitmapDevice( aSize,
 102                                             true,
 103                                             FORMAT_ONE_BIT_MSB_GREY,
 104                                             basebmp::getBitmapDeviceStrideForWidth(FORMAT_ONE_BIT_MSB_GREY, aSize.getX()));
 105
 106         mpBmp1bpp = createBitmapDevice( aSize,
 107                                         true,
 108                                         FORMAT_ONE_BIT_MSB_PAL,
 109                                         basebmp::getBitmapDeviceStrideForWidth(FORMAT_ONE_BIT_MSB_PAL, aSize.getX()));
 110         mpBmp32bpp = createBitmapDevice( aSize,
 111                                          true,
 112                                          FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA,
 113                                          basebmp::getBitmapDeviceStrideForWidth(FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, aSize.getX()));
 114
 115         OUString aSvg( "m 0 0h5v10h5v-5h-10z" );
 116
 117         basegfx::B2DPolyPolygon aPoly;
 118         basegfx::tools::importFromSvgD( aPoly, aSvg, false, NULL );
 119         const Color aColWhite(0xFFFFFFFF);
 120         const Color aColBlack(0);
 121         mpBmp1bpp->fillPolyPolygon(
 122             aPoly,
 123             aColWhite,
 124             DrawMode_PAINT );
 125         mpBmp32bpp->fillPolyPolygon(
 126             aPoly,
 127             aColWhite,
 128             DrawMode_PAINT );
 129
 130         aSvg = "m 0 0 h6 v10 h-6z" ;
 131
 132         aPoly.clear();
 133         basegfx::tools::importFromSvgD( aPoly, aSvg, false, NULL );
 134         mpMaskBmp1bpp->clear(aColWhite);
 135         mpMaskBmp1bpp->fillPolyPolygon(
 136             aPoly,
 137             aColBlack,
 138             DrawMode_PAINT );
 139     }
 140
 141     void testBmpBasics()
 142     {
 143         // mpDevice1bpp has a black rect. 0x0 -> 6x10
 144         implTestBmpBasics( mpDevice1bpp, mpBmp1bpp );
 145         implTestBmpBasics( mpDevice32bpp, mpBmp32bpp );
 146     }
 147
 148     void testBmpClip()
 149     {
 150         implTestBmpScaledClip( mpDevice1bpp, mpBmp1bpp );
 151         implTestBmpScaledClip( mpDevice32bpp, mpBmp32bpp );
 152     }
 153
 154     void testMasking()
 155     {
 156         BitmapDeviceSharedPtr xOutput;
 157         BitmapDeviceSharedPtr xBitmap;
 158         BitmapDeviceSharedPtr xMask;
 159
 160         { // mpMask & mpBitmap
 161             const basegfx::B2ISize aSize(5, 5);
 162             std::vector< basebmp::Color > aDevPal;
 163             aDevPal.push_back( basebmp::Color( 0, 0, 0 ) );
 164             aDevPal.push_back( basebmp::Color( 0xff, 0xff, 0xff ) );
 165
 166             basebmp::Format nFormat;
 167
 168             nFormat = FORMAT_ONE_BIT_MSB_PAL;
 169 //            nFormat = Format::OneBitMsbGrey; // FIXME - un-comment me to crash hard.
 170             xMask = createBitmapDevice( aSize, false /* bTopDown */,
 171                                         nFormat,
 172                                          basebmp::getBitmapDeviceStrideForWidth( nFormat, aSize.getX()),
 173                                          PaletteMemorySharedVector(
 174                                                 new std::vector< basebmp::Color >(aDevPal) ) );
 175             // wipe to copy everything.
 176             xMask->clear( basebmp::Color( 0x00, 0x00, 0x00 ) );
 177
 178             // punch out another piece not to copy
 179             basegfx::B2DPolyPolygon aPoly;
 180             basegfx::tools::importFromSvgD( aPoly, "m 2 2 h4 v8 h-4z",
 181                                             false, NULL );
 182             xMask->fillPolyPolygon( aPoly, basebmp::Color( 0xff, 0xff, 0xff ),
 183                                     DrawMode::DrawMode_PAINT );
 184
 185             xBitmap = createBitmapDevice( aSize, false,
 186                                           FORMAT_THIRTYTWO_BIT_TC_MASK_BGRX,
 187                                           basebmp::getBitmapDeviceStrideForWidth(
 188                                                 FORMAT_THIRTYTWO_BIT_TC_MASK_BGRX, aSize.getX() ) );
 189             xBitmap->clear(Color(0x80808080));
 190         }
 191         { // mpOutput & mpBitmap
 192             const basegfx::B2ISize aSize(9, 9);
 193             xOutput = createBitmapDevice( aSize, false,
 194                                           FORMAT_THIRTYTWO_BIT_TC_MASK_BGRX,
 195                                           basebmp::getBitmapDeviceStrideForWidth(
 196                                                 FORMAT_THIRTYTWO_BIT_TC_MASK_BGRX, aSize.getX()) );
 197             xOutput->clear(Color(0xffffffff));
 198         }
 199
 200         const basegfx::B2IBox aSourceRect(0,0,4,4);
 201         const basegfx::B2IBox aDestAll(2,2,7,7);
 202
 203         xOutput->drawMaskedBitmap(
 204             xBitmap, xMask,
 205             aSourceRect, aDestAll,
 206             DrawMode::DrawMode_PAINT );
 207
 208         CPPUNIT_ASSERT_MESSAGE( "output not cleared to white",
 209                                 xOutput->getPixel( basegfx::B2IPoint( 0, 0 ) ) == Color(0xffffff) );
 210         CPPUNIT_ASSERT_MESSAGE( "bitmap not drawn",
 211                                 xOutput->getPixel( basegfx::B2IPoint( 2, 2 ) ) == Color(0x808080) );
 212         CPPUNIT_ASSERT_MESSAGE( "mask not applied",
 213                                 xOutput->getPixel( basegfx::B2IPoint( 6, 6 ) ) == Color(0xffffff) );
 214     }
 215
 216     // Change the following lines only, if you add, remove or rename
 217     // member functions of the current class,
 218     // because these macros are need by auto register mechanism.
 219
 220     CPPUNIT_TEST_SUITE(BmpMaskTest);
 221     CPPUNIT_TEST(testMasking);
 222     CPPUNIT_TEST(testBmpBasics);
 223     CPPUNIT_TEST(testBmpClip);
 224     CPPUNIT_TEST_SUITE_END();
 225 };
 226
 227 CPPUNIT_TEST_SUITE_REGISTRATION(BmpMaskTest);
 228 }
 229
 230 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */