1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski 23*b1cdbd2cSJim Jagielski 24*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove 25*b1cdbd2cSJim Jagielski #include "precompiled_basegfx.hxx" 26*b1cdbd2cSJim Jagielski 27*b1cdbd2cSJim Jagielski #include "testtools.hxx" 28*b1cdbd2cSJim Jagielski 29*b1cdbd2cSJim Jagielski #include <basegfx/point/b2dpoint.hxx> 30*b1cdbd2cSJim Jagielski #include <basegfx/vector/b2dvector.hxx> 31*b1cdbd2cSJim Jagielski #include <basegfx/range/b2drange.hxx> 32*b1cdbd2cSJim Jagielski #include <basegfx/curve/b2dcubicbezier.hxx> 33*b1cdbd2cSJim Jagielski #include <basegfx/polygon/b2dpolygon.hxx> 34*b1cdbd2cSJim Jagielski #include <basegfx/polygon/b2dpolypolygon.hxx> 35*b1cdbd2cSJim Jagielski 36*b1cdbd2cSJim Jagielski #include <algorithm> 37*b1cdbd2cSJim Jagielski 38*b1cdbd2cSJim Jagielski 39*b1cdbd2cSJim Jagielski namespace basegfx 40*b1cdbd2cSJim Jagielski { 41*b1cdbd2cSJim Jagielski namespace testtools 42*b1cdbd2cSJim Jagielski { Plotter(::std::ostream & rOutputStream)43*b1cdbd2cSJim Jagielski Plotter::Plotter( ::std::ostream& rOutputStream ) : 44*b1cdbd2cSJim Jagielski mrOutputStream(rOutputStream), 45*b1cdbd2cSJim Jagielski maPoints(), 46*b1cdbd2cSJim Jagielski mbFirstElement( true ) 47*b1cdbd2cSJim Jagielski { 48*b1cdbd2cSJim Jagielski // output gnuplot setup. We switch gnuplot to parametric 49*b1cdbd2cSJim Jagielski // mode, therefore every plot has at least _two_ 50*b1cdbd2cSJim Jagielski // functions: one for the x and one for the y value, both 51*b1cdbd2cSJim Jagielski // depending on t. 52*b1cdbd2cSJim Jagielski mrOutputStream << "#!/usr/bin/gnuplot -persist" << ::std::endl 53*b1cdbd2cSJim Jagielski << "#" << ::std::endl 54*b1cdbd2cSJim Jagielski << "# automatically generated by basegfx::testtools::Plotter, don't change!" << ::std::endl 55*b1cdbd2cSJim Jagielski << "#" << ::std::endl 56*b1cdbd2cSJim Jagielski << "set parametric" << ::std::endl 57*b1cdbd2cSJim Jagielski // This function plots a cubic bezier curve. P,q,r,s 58*b1cdbd2cSJim Jagielski // are the control point elements of the corresponding 59*b1cdbd2cSJim Jagielski // output coordinate component (i.e. x components for 60*b1cdbd2cSJim Jagielski // the x plot, and y components for the y plot) 61*b1cdbd2cSJim Jagielski << "cubicBezier(p,q,r,s,t) = p*(1-t)**3+q*3*(1-t)**2*t+r*3*(1-t)*t**2+s*t**3" << ::std::endl 62*b1cdbd2cSJim Jagielski 63*b1cdbd2cSJim Jagielski // This function plots the derivative of a cubic 64*b1cdbd2cSJim Jagielski // bezier curve. P,q,r,s are the control point 65*b1cdbd2cSJim Jagielski // components of the _original_ curve 66*b1cdbd2cSJim Jagielski << "cubicBezDerivative(p,q,r,s,t) = 3*(q-p)*(1-t)**2+6*(r-q)*(1-t)*t+3*(s-r)*t**2" << ::std::endl 67*b1cdbd2cSJim Jagielski 68*b1cdbd2cSJim Jagielski // Plot a line's x component of a line in implicit 69*b1cdbd2cSJim Jagielski // form ax + by + c = 0 70*b1cdbd2cSJim Jagielski << "implicitLineX(a,b,c,t) = a*-c + t*-b" << ::std::endl 71*b1cdbd2cSJim Jagielski 72*b1cdbd2cSJim Jagielski // Plot a line's y component of a line in implicit 73*b1cdbd2cSJim Jagielski // form ax + by + c = 0 74*b1cdbd2cSJim Jagielski << "implicitLineY(a,b,c,t) = b*-c + t*a" << ::std::endl 75*b1cdbd2cSJim Jagielski 76*b1cdbd2cSJim Jagielski // Plot a line's component of a line between a and b 77*b1cdbd2cSJim Jagielski // (where a and b should be the corresponding 78*b1cdbd2cSJim Jagielski // components of the line's start and end point, 79*b1cdbd2cSJim Jagielski // respectively) 80*b1cdbd2cSJim Jagielski << "line(a,b,t) = a*(1-t) + b*t" << ::std::endl << ::std::endl 81*b1cdbd2cSJim Jagielski << "# end of setup" << ::std::endl << ::std::endl 82*b1cdbd2cSJim Jagielski 83*b1cdbd2cSJim Jagielski // Start the actual plot line 84*b1cdbd2cSJim Jagielski << "plot [t=0:1] "; 85*b1cdbd2cSJim Jagielski } 86*b1cdbd2cSJim Jagielski 87*b1cdbd2cSJim Jagielski namespace 88*b1cdbd2cSJim Jagielski { 89*b1cdbd2cSJim Jagielski class PointWriter 90*b1cdbd2cSJim Jagielski { 91*b1cdbd2cSJim Jagielski public: PointWriter(::std::ostream & rOutputStream)92*b1cdbd2cSJim Jagielski PointWriter( ::std::ostream& rOutputStream ) : 93*b1cdbd2cSJim Jagielski mrOutputStream( rOutputStream ) 94*b1cdbd2cSJim Jagielski { 95*b1cdbd2cSJim Jagielski } 96*b1cdbd2cSJim Jagielski operator ()(const B2DPoint & rPoint) const97*b1cdbd2cSJim Jagielski void operator()( const B2DPoint& rPoint ) const 98*b1cdbd2cSJim Jagielski { 99*b1cdbd2cSJim Jagielski mrOutputStream << rPoint.getX() << "\t" << rPoint.getY() << ::std::endl; 100*b1cdbd2cSJim Jagielski mrOutputStream << "e" << ::std::endl; 101*b1cdbd2cSJim Jagielski } 102*b1cdbd2cSJim Jagielski 103*b1cdbd2cSJim Jagielski private: 104*b1cdbd2cSJim Jagielski ::std::ostream& mrOutputStream; 105*b1cdbd2cSJim Jagielski }; 106*b1cdbd2cSJim Jagielski } 107*b1cdbd2cSJim Jagielski ~Plotter()108*b1cdbd2cSJim Jagielski Plotter::~Plotter() 109*b1cdbd2cSJim Jagielski { 110*b1cdbd2cSJim Jagielski // End the plot line 111*b1cdbd2cSJim Jagielski mrOutputStream << ::std::endl; 112*b1cdbd2cSJim Jagielski 113*b1cdbd2cSJim Jagielski // write stored data points. Cannot write before, since 114*b1cdbd2cSJim Jagielski // this is an inline dataset, which must be after the plot <...> 115*b1cdbd2cSJim Jagielski // line 116*b1cdbd2cSJim Jagielski ::std::for_each( maPoints.begin(), maPoints.end(), PointWriter(mrOutputStream) ); 117*b1cdbd2cSJim Jagielski } 118*b1cdbd2cSJim Jagielski plot(const B2DPolygon & rPoly)119*b1cdbd2cSJim Jagielski void Plotter::plot( const B2DPolygon& rPoly ) 120*b1cdbd2cSJim Jagielski { 121*b1cdbd2cSJim Jagielski const sal_uInt32 pointCount( rPoly.count() ); 122*b1cdbd2cSJim Jagielski 123*b1cdbd2cSJim Jagielski if( pointCount < 1 ) 124*b1cdbd2cSJim Jagielski return; 125*b1cdbd2cSJim Jagielski 126*b1cdbd2cSJim Jagielski if( pointCount == 1 ) 127*b1cdbd2cSJim Jagielski { 128*b1cdbd2cSJim Jagielski plot( rPoly.getB2DPoint(0) ); 129*b1cdbd2cSJim Jagielski return; 130*b1cdbd2cSJim Jagielski } 131*b1cdbd2cSJim Jagielski 132*b1cdbd2cSJim Jagielski sal_uInt32 i; 133*b1cdbd2cSJim Jagielski for( i=0; i<pointCount-1; ++i ) 134*b1cdbd2cSJim Jagielski { 135*b1cdbd2cSJim Jagielski if(rPoly.isNextControlPointUsed(i) || rPoly.isPrevControlPointUsed(i + 1)) 136*b1cdbd2cSJim Jagielski { 137*b1cdbd2cSJim Jagielski const B2DCubicBezier aBezierPlot( 138*b1cdbd2cSJim Jagielski rPoly.getB2DPoint(i), rPoly.getNextControlPoint(i), 139*b1cdbd2cSJim Jagielski rPoly.getPrevControlPoint(i + 1), rPoly.getB2DPoint(i + 1)); 140*b1cdbd2cSJim Jagielski 141*b1cdbd2cSJim Jagielski plot(aBezierPlot); 142*b1cdbd2cSJim Jagielski } 143*b1cdbd2cSJim Jagielski else 144*b1cdbd2cSJim Jagielski { 145*b1cdbd2cSJim Jagielski plot( rPoly.getB2DPoint(i), rPoly.getB2DPoint(i+1) ); 146*b1cdbd2cSJim Jagielski } 147*b1cdbd2cSJim Jagielski } 148*b1cdbd2cSJim Jagielski } 149*b1cdbd2cSJim Jagielski plot(const B2DPolyPolygon & rPolyPoly)150*b1cdbd2cSJim Jagielski void Plotter::plot( const B2DPolyPolygon& rPolyPoly ) 151*b1cdbd2cSJim Jagielski { 152*b1cdbd2cSJim Jagielski const sal_uInt32 nPolyCount( rPolyPoly.count() ); 153*b1cdbd2cSJim Jagielski 154*b1cdbd2cSJim Jagielski sal_uInt32 i; 155*b1cdbd2cSJim Jagielski for( i=0; i<nPolyCount; ++i ) 156*b1cdbd2cSJim Jagielski { 157*b1cdbd2cSJim Jagielski plot( rPolyPoly.getB2DPolygon(i) ); 158*b1cdbd2cSJim Jagielski } 159*b1cdbd2cSJim Jagielski } 160*b1cdbd2cSJim Jagielski plot(const B2DPoint & rPoint)161*b1cdbd2cSJim Jagielski void Plotter::plot( const B2DPoint& rPoint ) 162*b1cdbd2cSJim Jagielski { 163*b1cdbd2cSJim Jagielski maPoints.push_back( rPoint ); 164*b1cdbd2cSJim Jagielski writeSeparator(); 165*b1cdbd2cSJim Jagielski mrOutputStream << "'-' using ($1):($2) title \"Point " << maPoints.size() << "\" with points"; 166*b1cdbd2cSJim Jagielski } 167*b1cdbd2cSJim Jagielski plot(const B2DRange & rRect)168*b1cdbd2cSJim Jagielski void Plotter::plot( const B2DRange& rRect ) 169*b1cdbd2cSJim Jagielski { 170*b1cdbd2cSJim Jagielski // TODO: do that also as a data file plot. maPoints must 171*b1cdbd2cSJim Jagielski // then become polymorph, but WTF. 172*b1cdbd2cSJim Jagielski 173*b1cdbd2cSJim Jagielski // decompose into four lines 174*b1cdbd2cSJim Jagielski plot( B2DPoint(rRect.getMinX(), 175*b1cdbd2cSJim Jagielski rRect.getMinY()), 176*b1cdbd2cSJim Jagielski B2DPoint(rRect.getMaxX(), 177*b1cdbd2cSJim Jagielski rRect.getMinY()) ); 178*b1cdbd2cSJim Jagielski plot( B2DPoint(rRect.getMaxX(), 179*b1cdbd2cSJim Jagielski rRect.getMinY()), 180*b1cdbd2cSJim Jagielski B2DPoint(rRect.getMaxX(), 181*b1cdbd2cSJim Jagielski rRect.getMaxY()) ); 182*b1cdbd2cSJim Jagielski plot( B2DPoint(rRect.getMaxX(), 183*b1cdbd2cSJim Jagielski rRect.getMaxY()), 184*b1cdbd2cSJim Jagielski B2DPoint(rRect.getMinX(), 185*b1cdbd2cSJim Jagielski rRect.getMaxY()) ); 186*b1cdbd2cSJim Jagielski plot( B2DPoint(rRect.getMinX(), 187*b1cdbd2cSJim Jagielski rRect.getMaxY()), 188*b1cdbd2cSJim Jagielski B2DPoint(rRect.getMinX(), 189*b1cdbd2cSJim Jagielski rRect.getMinY()) ); 190*b1cdbd2cSJim Jagielski } 191*b1cdbd2cSJim Jagielski plot(const B2DPoint & rStartPoint,const B2DPoint & rEndPoint)192*b1cdbd2cSJim Jagielski void Plotter::plot( const B2DPoint& rStartPoint, const B2DPoint& rEndPoint ) 193*b1cdbd2cSJim Jagielski { 194*b1cdbd2cSJim Jagielski writeSeparator(); 195*b1cdbd2cSJim Jagielski mrOutputStream << "line(" << rStartPoint.getX() 196*b1cdbd2cSJim Jagielski << "," << rEndPoint.getX() 197*b1cdbd2cSJim Jagielski << ",t), " 198*b1cdbd2cSJim Jagielski << "line(" << rStartPoint.getY() 199*b1cdbd2cSJim Jagielski << "," << rEndPoint.getY() 200*b1cdbd2cSJim Jagielski << ",t)"; 201*b1cdbd2cSJim Jagielski } 202*b1cdbd2cSJim Jagielski plot(const B2DCubicBezier & rCurve)203*b1cdbd2cSJim Jagielski void Plotter::plot( const B2DCubicBezier& rCurve ) 204*b1cdbd2cSJim Jagielski { 205*b1cdbd2cSJim Jagielski writeSeparator(); 206*b1cdbd2cSJim Jagielski mrOutputStream << "cubicBezier(" << rCurve.getStartPoint().getX() 207*b1cdbd2cSJim Jagielski << "," << rCurve.getControlPointA().getX() 208*b1cdbd2cSJim Jagielski << "," << rCurve.getControlPointB().getX() 209*b1cdbd2cSJim Jagielski << "," << rCurve.getEndPoint().getX() 210*b1cdbd2cSJim Jagielski << ",t), " 211*b1cdbd2cSJim Jagielski << "cubicBezier(" << rCurve.getStartPoint().getY() 212*b1cdbd2cSJim Jagielski << "," << rCurve.getControlPointA().getY() 213*b1cdbd2cSJim Jagielski << "," << rCurve.getControlPointB().getY() 214*b1cdbd2cSJim Jagielski << "," << rCurve.getEndPoint().getY() 215*b1cdbd2cSJim Jagielski << ",t)"; 216*b1cdbd2cSJim Jagielski } 217*b1cdbd2cSJim Jagielski writeSeparator()218*b1cdbd2cSJim Jagielski void Plotter::writeSeparator() 219*b1cdbd2cSJim Jagielski { 220*b1cdbd2cSJim Jagielski if( mbFirstElement ) 221*b1cdbd2cSJim Jagielski { 222*b1cdbd2cSJim Jagielski mbFirstElement = false; 223*b1cdbd2cSJim Jagielski } 224*b1cdbd2cSJim Jagielski else 225*b1cdbd2cSJim Jagielski { 226*b1cdbd2cSJim Jagielski mrOutputStream << ", "; 227*b1cdbd2cSJim Jagielski } 228*b1cdbd2cSJim Jagielski } 229*b1cdbd2cSJim Jagielski 230*b1cdbd2cSJim Jagielski } 231*b1cdbd2cSJim Jagielski } 232