office-gobmx/basebmp/test/polytest.cxx
2012-06-27 19:13:11 +01:00

370 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "cppunit/TestAssert.h"
#include "cppunit/TestFixture.h"
#include "cppunit/extensions/HelperMacros.h"
#include <basegfx/vector/b2isize.hxx>
#include <basegfx/range/b2ibox.hxx>
#include <basegfx/point/b2ipoint.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/polygon/b2dpolypolygontools.hxx>
#include <basebmp/color.hxx>
#include <basebmp/scanlineformats.hxx>
#include <basebmp/bitmapdevice.hxx>
#include "tools.hxx"
using namespace ::basebmp;
namespace
{
class PolyTest : public CppUnit::TestFixture
{
private:
BitmapDeviceSharedPtr mpDevice1bpp;
BitmapDeviceSharedPtr mpDevice32bpp;
void implTestEmpty(const BitmapDeviceSharedPtr& rDevice)
{
const Color aCol(0xFFFFFFFF);
const Color aBgCol(0);
rDevice->clear(aBgCol);
basegfx::B2DPolyPolygon aPoly;
basegfx::tools::importFromSvgD(
aPoly,
rtl::OUString( "M2 2 l7 7 z" ) );
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0",
countPixel( rDevice, aCol ) == 0);
// --------------------------------------------------
rDevice->clear(aBgCol);
aPoly.clear();
basegfx::tools::importFromSvgD(
aPoly,
rtl::OUString( "M7 2 l-6 6 z" ) );
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0(b)",
countPixel( rDevice, aCol ) == 0);
}
void implTestHairline(const BitmapDeviceSharedPtr& rDevice)
{
const Color aCol(0xFFFFFFFF);
const Color aBgCol(0);
rDevice->clear(aBgCol);
basegfx::B2DPolyPolygon aPoly;
basegfx::tools::importFromSvgD(
aPoly,
rtl::OUString( "M2 2 h1 l7 7 h-1 z" ) );
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
countPixel( rDevice, aCol ) == 7);
// --------------------------------------------------
rDevice->clear(aBgCol);
aPoly.clear();
basegfx::tools::importFromSvgD(
aPoly,
rtl::OUString( "M7 2 h-1 l-6 6 h1 z" ) );
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 6",
countPixel( rDevice, aCol ) == 6);
// --------------------------------------------------
rDevice->clear(aBgCol);
aPoly.clear();
basegfx::tools::importFromSvgD(
aPoly,
rtl::OUString( "M0 0 l7 7 h-1 l-5-7 z" ) );
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 3",
countPixel( rDevice, aCol ) == 3);
}
void implTestPolyPoly(const BitmapDeviceSharedPtr& rDevice)
{
const Color aCol(0xFFFFFFFF);
const Color aBgCol(0);
rDevice->clear(aBgCol);
basegfx::B2DPolyPolygon aPoly;
basegfx::tools::importFromSvgD( aPoly,
::rtl::OUString( "M0 0 h7 v7 h-7 z M2 2 v3 h3 v-3 z" ) );
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 40",
countPixel( rDevice, aCol ) == 40);
}
void implTestPolyPolyClip(const BitmapDeviceSharedPtr& rDevice)
{
const Color aCol(0xFFFFFFFF);
const Color aBgCol(0);
rDevice->clear(aBgCol);
basegfx::B2DPolyPolygon aPoly;
basegfx::tools::importFromSvgD( aPoly,
::rtl::OUString( "M0 0 h7 v7 h-7 z M2 2 v3 h3 v-3 z" ) );
basegfx::B2DHomMatrix aMat;
aMat.translate(-3,-3);
aMat.rotate( 1.7 );
aMat.translate(6,5);
aPoly.transform(aMat);
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 39",
countPixel( rDevice, aCol ) == 39);
BitmapDeviceSharedPtr pClippedDevice(
subsetBitmapDevice( rDevice,
basegfx::B2IBox(3,3,5,8) ));
CPPUNIT_ASSERT_MESSAGE("size of subsetted device is not (2,5)",
pClippedDevice->getSize() == basegfx::B2IVector(2,5));
rDevice->clear(aBgCol);
pClippedDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
countPixel( rDevice, aCol ) == 7);
}
void implTestLineDrawClip(const BitmapDeviceSharedPtr& rDevice)
{
const Color aCol(0xFFFFFFFF);
const Color aBgCol(0);
rDevice->clear(aBgCol);
// create rectangular subset, such that we can 'see' extra
// pixel outside
BitmapDeviceSharedPtr pClippedDevice=(
subsetBitmapDevice( rDevice,
basegfx::B2IBox(3,3,5,9) ));
// trigger "alternate bresenham" case in
// clippedlinerenderer.hxx, first point not clipped
const basegfx::B2IPoint aPt1(3,3);
const basegfx::B2IPoint aPt2(4,2);
pClippedDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 1",
countPixel( rDevice, aCol ) == 1);
// trigger "alternate bresenham" case in
// clippedlinerenderer.hxx, both start and endpoint clipped
const basegfx::B2IPoint aPt3(0,4);
pClippedDevice->drawLine( aPt3, aPt2, aCol, DrawMode_XOR );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0",
countPixel( rDevice, aCol ) == 0);
// trigger "standard bresenham" case in
// clippedlinerenderer.hxx, first point not clipped
const basegfx::B2IPoint aPt4(6,2);
pClippedDevice->drawLine( aPt1, aPt4, aCol, DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 2",
countPixel( rDevice, aCol ) == 2);
// trigger "clipCode1 & aMinFlag/bMinFlag" cases in
// clippedlinerenderer.hxx (note1: needs forcing end point to
// be clipped as well, otherwise optimisation kicks in. note2:
// needs forcing end point to clip on two edges, not only on
// one, otherwise swap kicks in)
const basegfx::B2IPoint aPt5(1,1);
const basegfx::B2IPoint aPt6(6,10);
pClippedDevice->drawLine( aPt5, aPt6, aCol, DrawMode_XOR );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 6",
countPixel( rDevice, aCol ) == 6);
// trigger "clipCode1 & (aMinFlag|aMaxFlag)" case in
// clippedlinerenderer.hxx that was not taken for the test
// above
pClippedDevice->drawLine( aPt3, aPt6, aCol, DrawMode_XOR );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 8",
countPixel( rDevice, aCol ) == 8);
}
void implTestPolyDrawClip(const BitmapDeviceSharedPtr& rDevice)
{
const Color aCol(0xFFFFFFFF);
const Color aBgCol(0);
rDevice->clear(aBgCol);
basegfx::B2DPolyPolygon aPoly;
// test all corner-touching lines of our clip rect. note that
// *all* of the four two-pixel lines in that polygon do *not*
// generate a single pixel, due to the rasterization effect.
basegfx::tools::importFromSvgD( aPoly,
::rtl::OUString( "M2 3 l1 -1 M4 2 l1 1 M2 8 l1 1 M5 8 l-1 1 M2 5 h4 M3 0 v10" ) );
BitmapDeviceSharedPtr pClippedDevice=(
subsetBitmapDevice( rDevice,
basegfx::B2IBox(3,3,5,9) ));
for( unsigned int i=0; i<aPoly.count(); ++i )
pClippedDevice->drawPolygon(
aPoly.getB2DPolygon(i),
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
countPixel( rDevice, aCol ) == 7);
}
void implTestPolyPolyCrissCross(const BitmapDeviceSharedPtr& rDevice)
{
const Color aCol(0xFFFFFFFF);
const Color aBgCol(0);
rDevice->clear(aBgCol);
basegfx::B2DPolyPolygon aPoly;
basegfx::tools::importFromSvgD( aPoly,
::rtl::OUString( "M0 0 v2 l10 2 v-2 z"
"M10 6 v-2 l-10 2 v2 z"
"M1 0 h1 v10 h-1 z"
"M4 0 h1 v10 h-1 z"
"M8 0 h1 v10 h-1 z" ) );
rDevice->fillPolyPolygon(
aPoly,
aCol,
DrawMode_PAINT );
CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 46",
countPixel( rDevice, aCol ) == 46);
}
public:
void setUp()
{
const basegfx::B2ISize aSize(10,10);
mpDevice1bpp = createBitmapDevice( aSize,
true,
Format::ONE_BIT_MSB_PAL );
mpDevice32bpp = createBitmapDevice( aSize,
true,
Format::THIRTYTWO_BIT_TC_MASK );
}
void testEmpty()
{
implTestEmpty( mpDevice1bpp );
implTestEmpty( mpDevice32bpp );
}
void testHairline()
{
implTestHairline( mpDevice1bpp );
implTestHairline( mpDevice32bpp );
}
void testPolyPoly()
{
implTestPolyPoly( mpDevice1bpp );
implTestPolyPoly( mpDevice32bpp );
}
void testPolyPolyClip()
{
implTestPolyPolyClip(mpDevice1bpp);
implTestPolyPolyClip(mpDevice32bpp);
}
void testLineDrawClip()
{
implTestLineDrawClip(mpDevice1bpp);
implTestLineDrawClip(mpDevice32bpp);
}
void testPolyDrawClip()
{
implTestPolyDrawClip(mpDevice1bpp);
implTestPolyDrawClip(mpDevice32bpp);
}
void testPolyPolyCrissCross()
{
implTestPolyPolyCrissCross(mpDevice1bpp);
implTestPolyPolyCrissCross(mpDevice32bpp);
}
// Change the following lines only, if you add, remove or rename
// member functions of the current class,
// because these macros are need by auto register mechanism.
CPPUNIT_TEST_SUITE(PolyTest);
CPPUNIT_TEST(testEmpty);
CPPUNIT_TEST(testHairline);
CPPUNIT_TEST(testPolyPoly);
CPPUNIT_TEST(testPolyPolyClip);
CPPUNIT_TEST(testLineDrawClip);
CPPUNIT_TEST(testPolyDrawClip);
CPPUNIT_TEST(testPolyPolyCrissCross);
CPPUNIT_TEST_SUITE_END();
};
CPPUNIT_TEST_SUITE_REGISTRATION(PolyTest);
}
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