b53d2bc9dd
Fix for a nasty corner case where supposedly clipped pixel were still rasterized (see polytest.cxx:implTestPolyDrawClip for what failed previously). Added much more unit tests while at it, clippedlinerenderer.hxx should now have 100% coverage.
384 lines
13 KiB
C++
384 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// autogenerated file with codegen.pl
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#include "sal/config.h"
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#include "sal/precppunit.hxx"
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#include "cppunit/TestAssert.h"
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#include "cppunit/TestFixture.h"
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#include "cppunit/extensions/HelperMacros.h"
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#include <basegfx/vector/b2isize.hxx>
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#include <basegfx/range/b2ibox.hxx>
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#include <basegfx/point/b2ipoint.hxx>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <basegfx/polygon/b2dpolypolygontools.hxx>
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#include <basebmp/color.hxx>
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#include <basebmp/scanlineformats.hxx>
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#include <basebmp/bitmapdevice.hxx>
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#include "tools.hxx"
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using namespace ::basebmp;
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namespace
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{
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class PolyTest : public CppUnit::TestFixture
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{
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private:
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BitmapDeviceSharedPtr mpDevice1bpp;
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BitmapDeviceSharedPtr mpDevice32bpp;
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void implTestEmpty(const BitmapDeviceSharedPtr& rDevice)
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{
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const Color aCol(0xFFFFFFFF);
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const Color aBgCol(0);
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rDevice->clear(aBgCol);
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basegfx::B2DPolyPolygon aPoly;
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basegfx::tools::importFromSvgD(
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aPoly,
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M2 2 l7 7 z" )) );
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0",
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countPixel( rDevice, aCol ) == 0);
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// --------------------------------------------------
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rDevice->clear(aBgCol);
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aPoly.clear();
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basegfx::tools::importFromSvgD(
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aPoly,
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M7 2 l-6 6 z" )) );
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0(b)",
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countPixel( rDevice, aCol ) == 0);
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}
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void implTestHairline(const BitmapDeviceSharedPtr& rDevice)
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{
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const Color aCol(0xFFFFFFFF);
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const Color aBgCol(0);
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rDevice->clear(aBgCol);
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basegfx::B2DPolyPolygon aPoly;
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basegfx::tools::importFromSvgD(
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aPoly,
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M2 2 h1 l7 7 h-1 z" )) );
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
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countPixel( rDevice, aCol ) == 7);
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// --------------------------------------------------
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rDevice->clear(aBgCol);
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aPoly.clear();
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basegfx::tools::importFromSvgD(
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aPoly,
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M7 2 h-1 l-6 6 h1 z" )) );
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 6",
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countPixel( rDevice, aCol ) == 6);
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// --------------------------------------------------
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rDevice->clear(aBgCol);
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aPoly.clear();
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basegfx::tools::importFromSvgD(
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aPoly,
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rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M0 0 l7 7 h-1 l-5-7 z" )) );
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 3",
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countPixel( rDevice, aCol ) == 3);
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}
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void implTestPolyPoly(const BitmapDeviceSharedPtr& rDevice)
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{
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const Color aCol(0xFFFFFFFF);
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const Color aBgCol(0);
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rDevice->clear(aBgCol);
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basegfx::B2DPolyPolygon aPoly;
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basegfx::tools::importFromSvgD( aPoly,
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M0 0 h7 v7 h-7 z M2 2 v3 h3 v-3 z" )) );
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 40",
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countPixel( rDevice, aCol ) == 40);
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}
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void implTestPolyPolyClip(const BitmapDeviceSharedPtr& rDevice)
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{
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const Color aCol(0xFFFFFFFF);
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const Color aBgCol(0);
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rDevice->clear(aBgCol);
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basegfx::B2DPolyPolygon aPoly;
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basegfx::tools::importFromSvgD( aPoly,
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M0 0 h7 v7 h-7 z M2 2 v3 h3 v-3 z" )) );
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basegfx::B2DHomMatrix aMat;
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aMat.translate(-3,-3);
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aMat.rotate( 1.7 );
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aMat.translate(6,5);
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aPoly.transform(aMat);
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 39",
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countPixel( rDevice, aCol ) == 39);
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BitmapDeviceSharedPtr pClippedDevice(
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subsetBitmapDevice( rDevice,
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basegfx::B2IBox(3,3,5,8) ));
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CPPUNIT_ASSERT_MESSAGE("size of subsetted device is not (2,5)",
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pClippedDevice->getSize() == basegfx::B2IVector(2,5));
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rDevice->clear(aBgCol);
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pClippedDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
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countPixel( rDevice, aCol ) == 7);
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}
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void implTestLineDrawClip(const BitmapDeviceSharedPtr& rDevice)
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{
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const Color aCol(0xFFFFFFFF);
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const Color aBgCol(0);
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rDevice->clear(aBgCol);
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// create rectangular subset, such that we can 'see' extra
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// pixel outside
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BitmapDeviceSharedPtr pClippedDevice=(
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subsetBitmapDevice( rDevice,
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basegfx::B2IBox(3,3,5,9) ));
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// trigger "alternate bresenham" case in
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// clippedlinerenderer.hxx, first point not clipped
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const basegfx::B2IPoint aPt1(3,3);
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const basegfx::B2IPoint aPt2(4,2);
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pClippedDevice->drawLine( aPt1, aPt2, aCol, DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 1",
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countPixel( rDevice, aCol ) == 1);
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// trigger "alternate bresenham" case in
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// clippedlinerenderer.hxx, both start and endpoint clipped
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const basegfx::B2IPoint aPt3(0,4);
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pClippedDevice->drawLine( aPt3, aPt2, aCol, DrawMode_XOR );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 0",
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countPixel( rDevice, aCol ) == 0);
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// trigger "standard bresenham" case in
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// clippedlinerenderer.hxx, first point not clipped
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const basegfx::B2IPoint aPt4(6,2);
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pClippedDevice->drawLine( aPt1, aPt4, aCol, DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 2",
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countPixel( rDevice, aCol ) == 2);
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// trigger "clipCode1 & aMinFlag/bMinFlag" cases in
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// clippedlinerenderer.hxx (note1: needs forcing end point to
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// be clipped as well, otherwise optimisation kicks in. note2:
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// needs forcing end point to clip on two edges, not only on
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// one, otherwise swap kicks in)
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const basegfx::B2IPoint aPt5(1,1);
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const basegfx::B2IPoint aPt6(6,10);
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pClippedDevice->drawLine( aPt5, aPt6, aCol, DrawMode_XOR );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 6",
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countPixel( rDevice, aCol ) == 6);
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// trigger "clipCode1 & (aMinFlag|aMaxFlag)" case in
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// clippedlinerenderer.hxx that was not taken for the test
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// above
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pClippedDevice->drawLine( aPt3, aPt6, aCol, DrawMode_XOR );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 8",
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countPixel( rDevice, aCol ) == 8);
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}
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void implTestPolyDrawClip(const BitmapDeviceSharedPtr& rDevice)
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{
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const Color aCol(0xFFFFFFFF);
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const Color aBgCol(0);
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rDevice->clear(aBgCol);
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basegfx::B2DPolyPolygon aPoly;
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// test all corner-touching lines of our clip rect. note that
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// *all* of the four two-pixel lines in that polygon do *not*
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// generate a single pixel, due to the rasterization effect.
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basegfx::tools::importFromSvgD( aPoly,
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M2 3 l1 -1 M4 2 l1 1 M2 8 l1 1 M5 8 l-1 1 M2 5 h4 M3 0 v10" )) );
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BitmapDeviceSharedPtr pClippedDevice=(
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subsetBitmapDevice( rDevice,
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basegfx::B2IBox(3,3,5,9) ));
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for( unsigned int i=0; i<aPoly.count(); ++i )
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pClippedDevice->drawPolygon(
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aPoly.getB2DPolygon(i),
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 7",
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countPixel( rDevice, aCol ) == 7);
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}
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void implTestPolyPolyCrissCross(const BitmapDeviceSharedPtr& rDevice)
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{
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const Color aCol(0xFFFFFFFF);
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const Color aBgCol(0);
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rDevice->clear(aBgCol);
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basegfx::B2DPolyPolygon aPoly;
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basegfx::tools::importFromSvgD( aPoly,
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::rtl::OUString(RTL_CONSTASCII_USTRINGPARAM(
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"M0 0 v2 l10 2 v-2 z"
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"M10 6 v-2 l-10 2 v2 z"
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"M1 0 h1 v10 h-1 z"
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"M4 0 h1 v10 h-1 z"
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"M8 0 h1 v10 h-1 z" )) );
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rDevice->fillPolyPolygon(
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aPoly,
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aCol,
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DrawMode_PAINT );
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CPPUNIT_ASSERT_MESSAGE("number of rendered pixel is not 46",
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countPixel( rDevice, aCol ) == 46);
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}
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public:
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void setUp()
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{
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const basegfx::B2ISize aSize(10,10);
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mpDevice1bpp = createBitmapDevice( aSize,
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true,
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Format::ONE_BIT_MSB_PAL );
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mpDevice32bpp = createBitmapDevice( aSize,
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true,
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Format::THIRTYTWO_BIT_TC_MASK );
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}
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void testEmpty()
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{
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implTestEmpty( mpDevice1bpp );
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implTestEmpty( mpDevice32bpp );
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}
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void testHairline()
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{
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implTestHairline( mpDevice1bpp );
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implTestHairline( mpDevice32bpp );
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}
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void testPolyPoly()
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{
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implTestPolyPoly( mpDevice1bpp );
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implTestPolyPoly( mpDevice32bpp );
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}
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void testPolyPolyClip()
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{
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implTestPolyPolyClip(mpDevice1bpp);
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implTestPolyPolyClip(mpDevice32bpp);
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}
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void testLineDrawClip()
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{
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implTestLineDrawClip(mpDevice1bpp);
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implTestLineDrawClip(mpDevice32bpp);
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}
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void testPolyDrawClip()
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{
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implTestPolyDrawClip(mpDevice1bpp);
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implTestPolyDrawClip(mpDevice32bpp);
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}
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void testPolyPolyCrissCross()
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{
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implTestPolyPolyCrissCross(mpDevice1bpp);
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implTestPolyPolyCrissCross(mpDevice32bpp);
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}
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// Change the following lines only, if you add, remove or rename
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// member functions of the current class,
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// because these macros are need by auto register mechanism.
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CPPUNIT_TEST_SUITE(PolyTest);
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CPPUNIT_TEST(testEmpty);
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CPPUNIT_TEST(testHairline);
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CPPUNIT_TEST(testPolyPoly);
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CPPUNIT_TEST(testPolyPolyClip);
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CPPUNIT_TEST(testLineDrawClip);
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CPPUNIT_TEST(testPolyDrawClip);
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CPPUNIT_TEST(testPolyPolyCrissCross);
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CPPUNIT_TEST_SUITE_END();
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};
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CPPUNIT_TEST_SUITE_REGISTRATION(PolyTest);
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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