basebmp/test/bmptest.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 BmpTest : public CppUnit::TestFixture
  42 {
  43 private:
  44     BitmapDeviceSharedPtr mpDevice1bpp;
  45     BitmapDeviceSharedPtr mpBmp1bpp;
  46     BitmapDeviceSharedPtr mpDevice32bpp;
  47     BitmapDeviceSharedPtr mpBmp32bpp;
  48
  49     void implTestBmpBasics(const BitmapDeviceSharedPtr& rDevice,
  50                            const BitmapDeviceSharedPtr& rBmp)
  51     {
  52         rDevice->clear(Color(0));
  53         const Color aCol(0xFFFFFFFF);
  54
  55         const basegfx::B2IBox aSourceRect(0,0,10,10);
  56         const basegfx::B2IBox aDestLeftTop(0,0,4,4);
  57         const basegfx::B2IBox aDestRightTop(6,0,10,4);
  58         const basegfx::B2IBox aDestLeftBottom(0,6,4,10);
  59         const basegfx::B2IBox aDestRightBottom(6,6,10,10);
  60
  61         rDevice->drawBitmap(
  62             rBmp,
  63             aSourceRect,
  64             aDestLeftTop,
  65             DrawMode_PAINT );
  66         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 8",
  67                                countPixel( rDevice, aCol ) == 8);
  68
  69         rDevice->drawBitmap(
  70             rBmp,
  71             aSourceRect,
  72             aDestRightTop,
  73             DrawMode_PAINT );
  74         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 16",
  75                                countPixel( rDevice, aCol ) == 16);
  76
  77         rDevice->drawBitmap(
  78             rBmp,
  79             aSourceRect,
  80             aDestLeftBottom,
  81             DrawMode_PAINT );
  82         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 24",
  83                                countPixel( rDevice, aCol ) == 24);
  84
  85         rDevice->drawBitmap(
  86             rBmp,
  87             aSourceRect,
  88             aDestRightBottom,
  89             DrawMode_PAINT );
  90         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 32",
  91                                countPixel( rDevice, aCol ) == 32);
  92
  93         BitmapDeviceSharedPtr pClone = subsetBitmapDevice(
  94             rBmp, aSourceRect );
  95
  96         // two overlapping areas within the same memory block, check
  97         // if we clobber the mem or properly detect the case
  98         const basegfx::B2IBox aSourceOverlap(0,0,6,10);
  99         const basegfx::B2IBox aDestOverlap(3,0,9,10);
 100         rBmp->drawBitmap(
 101             pClone,
 102             aSourceOverlap,
 103             aDestOverlap,
 104             DrawMode_PAINT );
 105         CPPUNIT_ASSERT_MESSAGE("clobbertest - number of set pixel is not 50",
 106                                countPixel( rBmp, aCol ) == 50);
 107
 108     }
 109
 110     void implTestBmpClip(const BitmapDeviceSharedPtr& rDevice,
 111                          const BitmapDeviceSharedPtr& rBmp)
 112     {
 113         rDevice->clear(Color(0));
 114         const Color aCol(0xFFFFFFFF);
 115
 116         const basegfx::B2IBox aSourceRect(0,0,10,10);
 117         const basegfx::B2IBox aDestLeftTop(-2,-2,2,2);
 118         const basegfx::B2IBox aDestRightTop(8,-2,12,2);
 119         const basegfx::B2IBox aDestLeftBottom(-2,8,2,12);
 120         const basegfx::B2IBox aDestRightBottom(8,8,12,12);
 121
 122         rDevice->drawBitmap(
 123             rBmp,
 124             aSourceRect,
 125             aDestLeftTop,
 126             DrawMode_PAINT );
 127         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 4",
 128                                countPixel( rDevice, aCol ) == 4);
 129
 130         rDevice->drawBitmap(
 131             rBmp,
 132             aSourceRect,
 133             aDestLeftBottom,
 134             DrawMode_PAINT );
 135         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 4(c)",
 136                                countPixel( rDevice, aCol ) == 4);
 137
 138         rDevice->drawBitmap(
 139             rBmp,
 140             aSourceRect,
 141             aDestRightBottom,
 142             DrawMode_PAINT );
 143         CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 8",
 144                                countPixel( rDevice, aCol ) == 8);
 145     }
 146
 147 public:
 148     void setUp() SAL_OVERRIDE
 149     {
 150         const basegfx::B2ISize aSize(10,10);
 151         sal_Int32 nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_ONE_BIT_MSB_PAL, aSize.getX());
 152         mpDevice1bpp = createBitmapDevice( aSize,
 153                                            true,
 154                                            FORMAT_ONE_BIT_MSB_PAL, nStride );
 155         nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, aSize.getX());
 156         mpDevice32bpp = createBitmapDevice( aSize,
 157                                             true,
 158                                             FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, nStride );
 159
 160         nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_ONE_BIT_MSB_PAL, aSize.getX());
 161         mpBmp1bpp = createBitmapDevice( aSize,
 162                                         true,
 163                                         FORMAT_ONE_BIT_MSB_PAL, nStride );
 164         nStride = basebmp::getBitmapDeviceStrideForWidth(FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, aSize.getX());
 165         mpBmp32bpp = createBitmapDevice( aSize,
 166                                          true,
 167                                          FORMAT_THIRTYTWO_BIT_TC_MASK_BGRA, nStride );
 168
 169         OUString aSvg( "m 0 0h5v10h5v-5h-10z" );
 170
 171         basegfx::B2DPolyPolygon aPoly;
 172         basegfx::tools::importFromSvgD( aPoly, aSvg, false, NULL );
 173         const Color aCol(0xFFFFFFFF);
 174         mpBmp1bpp->fillPolyPolygon(
 175             aPoly,
 176             aCol,
 177             DrawMode_PAINT );
 178         mpBmp32bpp->fillPolyPolygon(
 179             aPoly,
 180             aCol,
 181             DrawMode_PAINT );
 182     }
 183
 184     void testBmpBasics()
 185     {
 186         implTestBmpBasics( mpDevice1bpp, mpBmp1bpp );
 187         implTestBmpBasics( mpDevice32bpp, mpBmp32bpp );
 188     }
 189
 190     void testBmpClip()
 191     {
 192         implTestBmpClip( mpDevice1bpp, mpBmp1bpp );
 193         implTestBmpClip( mpDevice32bpp, mpBmp32bpp );
 194     }
 195
 196     // Change the following lines only, if you add, remove or rename
 197     // member functions of the current class,
 198     // because these macros are need by auto register mechanism.
 199
 200     CPPUNIT_TEST_SUITE(BmpTest);
 201     CPPUNIT_TEST(testBmpBasics);
 202     CPPUNIT_TEST(testBmpClip);
 203     CPPUNIT_TEST_SUITE_END();
 204 };
 205
 206 CPPUNIT_TEST_SUITE_REGISTRATION(BmpTest);
 207 }
 208
 209 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */