/
GeoGebraToPgf.java
3123 lines (2949 loc) · 88.9 KB
/
GeoGebraToPgf.java
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package org.geogebra.common.export.pstricks;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import org.geogebra.common.awt.GAffineTransform;
import org.geogebra.common.awt.GColor;
import org.geogebra.common.awt.GFont;
import org.geogebra.common.awt.GPathIterator;
import org.geogebra.common.awt.GShape;
import org.geogebra.common.euclidian.DrawableND;
import org.geogebra.common.euclidian.draw.DrawPoint;
import org.geogebra.common.export.UnicodeTeX;
import org.geogebra.common.factories.AwtFactory;
import org.geogebra.common.kernel.Kernel;
import org.geogebra.common.kernel.MyPoint;
import org.geogebra.common.kernel.StringTemplate;
import org.geogebra.common.kernel.algos.AlgoAngleLines;
import org.geogebra.common.kernel.algos.AlgoAnglePoints;
import org.geogebra.common.kernel.algos.AlgoAngleVector;
import org.geogebra.common.kernel.algos.AlgoAngleVectors;
import org.geogebra.common.kernel.algos.AlgoBoxPlot;
import org.geogebra.common.kernel.algos.AlgoElement;
import org.geogebra.common.kernel.algos.AlgoFunctionAreaSums;
import org.geogebra.common.kernel.algos.AlgoIntersectAbstract;
import org.geogebra.common.kernel.algos.AlgoSlope;
import org.geogebra.common.kernel.arithmetic.ExpressionNode;
import org.geogebra.common.kernel.arithmetic.ExpressionNodeConstants.StringType;
import org.geogebra.common.kernel.arithmetic.Function;
import org.geogebra.common.kernel.arithmetic.FunctionalNVar;
import org.geogebra.common.kernel.arithmetic.Inequality;
import org.geogebra.common.kernel.cas.AlgoIntegralDefinite;
import org.geogebra.common.kernel.cas.AlgoIntegralFunctions;
import org.geogebra.common.kernel.geos.GeoAngle;
import org.geogebra.common.kernel.geos.GeoAngle.AngleStyle;
import org.geogebra.common.kernel.geos.GeoConicPart;
import org.geogebra.common.kernel.geos.GeoCurveCartesian;
import org.geogebra.common.kernel.geos.GeoElement;
import org.geogebra.common.kernel.geos.GeoFunction;
import org.geogebra.common.kernel.geos.GeoLine;
import org.geogebra.common.kernel.geos.GeoLocus;
import org.geogebra.common.kernel.geos.GeoNumeric;
import org.geogebra.common.kernel.geos.GeoPoint;
import org.geogebra.common.kernel.geos.GeoPolyLine;
import org.geogebra.common.kernel.geos.GeoPolygon;
import org.geogebra.common.kernel.geos.GeoText;
import org.geogebra.common.kernel.geos.GeoVec3D;
import org.geogebra.common.kernel.geos.GeoVector;
import org.geogebra.common.kernel.geos.properties.FillType;
import org.geogebra.common.kernel.implicit.GeoImplicit;
import org.geogebra.common.kernel.kernelND.GeoConicND;
import org.geogebra.common.kernel.kernelND.GeoConicNDConstants;
import org.geogebra.common.kernel.kernelND.GeoElementND;
import org.geogebra.common.kernel.kernelND.GeoPointND;
import org.geogebra.common.kernel.kernelND.GeoRayND;
import org.geogebra.common.kernel.kernelND.GeoSegmentND;
import org.geogebra.common.kernel.kernelND.GeoVectorND;
import org.geogebra.common.kernel.matrix.Coords;
import org.geogebra.common.main.App;
import org.geogebra.common.plugin.EuclidianStyleConstants;
import org.geogebra.common.plugin.Operation;
import org.geogebra.common.util.DoubleUtil;
import org.geogebra.common.util.MyMath;
import org.geogebra.common.util.StringUtil;
import com.himamis.retex.editor.share.util.Unicode;
/**
* Generates PGF/Tikz string representation of current view.
*
*
*/
public class GeoGebraToPgf extends GeoGebraExport {
private static final int FORMAT_LATEX = 0;
private static final int FORMAT_PLAIN_TEX = 1;
private static final int FORMAT_CONTEXT = 2;
private static final int FORMAT_BEAMER = 3;
private int functionIdentifier = 0;
private boolean forceGnuplot = false;
private boolean gnuplotWarning = false;
private boolean hatchWarning = false;
/**
* @param app application
* @param graphicsFactory export graphics factory
*/
public GeoGebraToPgf(App app, ExportGraphicsFactory graphicsFactory) {
super(app, graphicsFactory);
}
@Override
public void generateAllCode() {
format = frame.getFormat();
forceGnuplot = frame.getGnuplot();
// init unit variables
xunit = frame.getXUnit();
yunit = frame.getYUnit();
// Initialize new StringBuilder for Pstricks code
// and CustomColor
code = new StringBuilder();
codePoint = new StringBuilder();
codePreamble = new StringBuilder();
codeFilledObject = new StringBuilder();
codeBeginDoc = new StringBuilder();
customColor = new HashMap<>();
if (format == GeoGebraToPgf.FORMAT_LATEX) {
codePreamble.append("\\documentclass[");
codePreamble.append(frame.getFontSize());
codePreamble.append("pt]{article}\n");
codePreamble.append("\\usepackage{pgfplots}\n");
codePreamble.append("\\pgfplotsset{compat=1.15");
codePreamble.append(
"}\n\\usepackage{mathrsfs}\n\\usetikzlibrary{arrows}\n\\pagestyle{empty}\n");
codeBeginDoc.append(
"\\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,");
addScale(codeBeginDoc);
codeBeginDoc.append("]\n");
} else if (format == GeoGebraToPgf.FORMAT_PLAIN_TEX) {
codePreamble.append("%Uncomment next line if XeTeX is used\n");
codePreamble.append("%\\def\\pgfsysdriver{pgfsys-xetex.def}\n\n");
codePreamble.append("\\input tikz.tex\n");
codePreamble.append("\\usetikzlibrary{arrows}\n");
codePreamble.append("\\baselineskip=");
codePreamble.append(frame.getFontSize());
codePreamble.append("pt\n\\hsize=6.3truein\n\\vsize=8.7truein\n");
codeBeginDoc.append(
"\\tikzpicture[line cap=round,line join=round,>=triangle 45,x=");
codeBeginDoc.append(xunit);
codeBeginDoc.append("cm,y=");
codeBeginDoc.append(yunit);
codeBeginDoc.append("cm]\n");
} else if (format == GeoGebraToPgf.FORMAT_CONTEXT) {
codePreamble
.append("\\setupbodyfont[").append(frame.getFontSize()).append("pt]\n");
codePreamble.append("\\usemodule[tikz]\n");
codePreamble.append(
"\\usetikzlibrary[arrows]\n\\setuppagenumbering[location=]\n");
codeBeginDoc.append("\\startTEXpage\n\\starttikzpicture[");
codeBeginDoc.append("line cap=round,line join=round,>=triangle 45,x=");
codeBeginDoc.append(xunit);
codeBeginDoc.append("cm,y=");
codeBeginDoc.append(yunit);
codeBeginDoc.append("cm]\n");
} else if (format == GeoGebraToPgf.FORMAT_BEAMER) {
codePreamble.append("\\documentclass[").append(frame.getFontSize())
.append("pt]{beamer}\n")
.append("\\usepackage{tikz}\n\\usetikzlibrary{arrows}\n\\pagestyle{empty}\n");
codeBeginDoc.append("\\begin{frame}\n");
codeBeginDoc.append(
"\\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=");
codeBeginDoc.append(xunit);
codeBeginDoc.append("cm,y=");
codeBeginDoc.append(yunit);
codeBeginDoc.append("cm]\n");
}
if (format == FORMAT_BEAMER) {
format = FORMAT_LATEX;
}
if (euclidianView.getShowXaxis() || euclidianView.getShowYaxis()) {
drawNiceAxesGrid();
} else if (euclidianView.getShowGrid()) {
drawGrid();
}
// Clipping
codeFilledObject.append("\\clip");
writePoint(xmin, ymin, codeFilledObject);
codeFilledObject.append(" rectangle ");
writePoint(xmax, ymax, codeFilledObject);
codeFilledObject.append(";\n");
/*
* get all objects from construction and "draw" them by creating PGF
* code
*/
drawAllElements();
/*
* Object [] geos =
* kernel.getConstruction().getGeoSetConstructionOrder().toArray(); for
* (int i=0;i<geos.length;i++){ GeoElement g = (GeoElement)(geos[i]);
* drawGeoElement(g,false); }
*/
// add code for Points and Labels
if (codePoint.length() != 0 && format == GeoGebraToPgf.FORMAT_LATEX) {
codePoint.insert(0, "\\begin{scriptsize}\n");
codePoint.append("\\end{scriptsize}\n");
}
// add code for Points and Labels
code.append(codePoint);
// Close Environment tikzpicture
if (format == GeoGebraToPgf.FORMAT_LATEX) {
if (euclidianView.getShowXaxis()
|| euclidianView.getShowYaxis()) {
code.append("\\end{axis}\n");
}
code.append("\\end{tikzpicture}\n");
if (isBeamer) {
code.append("\\end{frame}\n");
}
code.append("\\end{document}");
codeBeginDoc.insert(0, "\\begin{document}\n");
} else if (format == GeoGebraToPgf.FORMAT_PLAIN_TEX) {
code.append("\\endtikzpicture\n\\bye\n");
} else if (format == GeoGebraToPgf.FORMAT_CONTEXT) {
code.append("\\stoptikzpicture\n\\stopTEXpage\n\\stoptext");
codeBeginDoc.insert(0, "\\starttext\n");
}
/*
* String formatFont=resizeFont(app.getFontSize()); if
* (null!=formatFont){ codeBeginPic.insert(0,formatFont+"\n");
* code.append("}\n"); }
*/
code.insert(0, codeFilledObject + "");
code.insert(0, codeBeginDoc + "");
code.insert(0, codePreamble + "");
frame.write(code);
}
@Override
protected void drawLocus(GeoLocus g) {
ArrayList<MyPoint> ll = g.getPoints();
Iterator<MyPoint> it = ll.iterator();
startBeamer(code);
code.append("\\draw");
String s = lineOptionCode(g, true);
if (s.length() != 0) {
s = "[" + s + "] ";
}
code.append(s);
boolean first = true;
boolean out = false;
while (it.hasNext()) {
MyPoint mp = it.next();
double x = mp.x;
double y = mp.y;
boolean b = mp.getLineTo();
if (x > xmin && x < xmax && y > ymin && y < ymax) {
if (b && !first) {
code.append(" -- ");
} else if (first) {
first = false;
}
writePoint(x, y, code);
out = false;
} else if (!first && mp.getLineTo() && !out) {
out = true;
code.append(" -- ");
writePoint(x, y, code);
}
else {
first = true;
out = false;
}
}
code.append(";\n");
endBeamer(code);
}
@Override
protected void drawBoxPlot(GeoNumeric geo) {
AlgoBoxPlot algo = (AlgoBoxPlot) geo.getParentAlgorithm();
double y = algo.getA().getDouble();
double height = algo.getB().getDouble();
double[] lf = algo.getLeftBorders();
double min = lf[0];
startBeamer(codeFilledObject);
codeFilledObject.append("\\draw ");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
s = "[" + s + "] ";
}
codeFilledObject.append(s);
// Min vertical bar
writePoint(min, y - height, codeFilledObject);
codeFilledObject.append("-- ");
writePoint(min, y + height, codeFilledObject);
codeFilledObject.append(" ");
// Max vertical bar
double max = lf[4];
writePoint(max, y - height, codeFilledObject);
codeFilledObject.append("-- ");
writePoint(max, y + height, codeFilledObject);
codeFilledObject.append(" ");
// Med vertical bar
double med = lf[2];
writePoint(med, y - height, codeFilledObject);
codeFilledObject.append("-- ");
writePoint(med, y + height, codeFilledObject);
// Min-q1 horizontal
codeFilledObject.append(" ");
writePoint(min, y, codeFilledObject);
codeFilledObject.append("-- ");
double q1 = lf[1];
writePoint(q1, y, codeFilledObject);
// q3-max
codeFilledObject.append(" ");
double q3 = lf[3];
writePoint(q3, y, codeFilledObject);
codeFilledObject.append("-- ");
writePoint(max, y, codeFilledObject);
codeFilledObject.append(";\n");
if (isBeamer) {
codeFilledObject.append(" ");
}
// Rectangle q1-q3
codeFilledObject.append("\\draw");
if (s.length() != 0) {
codeFilledObject.append(s);
}
writePoint(q1, y - height, codeFilledObject);
codeFilledObject.append(" rectangle ");
writePoint(q3, y + height, codeFilledObject);
codeFilledObject.append(";\n");
endBeamer(codeFilledObject);
}
@Override
protected void drawSumTrapezoidal(GeoNumeric geo) {
AlgoFunctionAreaSums algo = (AlgoFunctionAreaSums) geo
.getParentAlgorithm();
int n = algo.getIntervals();
double[] y = algo.getValues();
double[] x = algo.getLeftBorder();
// Trapezoidal sum
startBeamer(codeFilledObject);
for (int i = 0; i < n; i++) {
codeFilledObject.append("\\draw");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
codeFilledObject.append("[").append(s).append("] ");
}
writePoint(x[i], 0, codeFilledObject);
codeFilledObject.append(" -- ");
writePoint(x[i + 1], 0, codeFilledObject);
codeFilledObject.append(" -- ");
writePoint(x[i + 1], y[i + 1], codeFilledObject);
codeFilledObject.append(" -- ");
writePoint(x[i], y[i], codeFilledObject);
codeFilledObject.append(" -- cycle;\n");
if (i != n - 1 && isBeamer) {
codeFilledObject.append(" ");
}
}
endBeamer(codeFilledObject);
}
@Override
protected void drawSumUpperLower(GeoNumeric geo) {
AlgoFunctionAreaSums algo = (AlgoFunctionAreaSums) geo
.getParentAlgorithm();
int n = algo.getIntervals();
double step = algo.getStep();
double[] y = algo.getValues();
double[] x = algo.getLeftBorder();
startBeamer(codeFilledObject);
for (int i = 0; i < n; i++) {
codeFilledObject.append("\\draw");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
codeFilledObject.append("[").append(s).append("] ");
}
writePoint(x[i], 0, codeFilledObject);
codeFilledObject.append(" rectangle ");
writePoint(x[i] + step, y[i], codeFilledObject);
codeFilledObject.append(";\n");
if (i != -1 && isBeamer) {
codeFilledObject.append(" ");
}
}
endBeamer(codeFilledObject);
}
@Override
protected void drawIntegralFunctions(GeoNumeric geo) {
// command: \draw[option]{[domain=a:b,samples=..] plot(\x,{f(\x)})
// }--(b,g(b)) -- {[domain=b:a,samples=..] plot(\x,{g(\x)}) }--(a,f(a))
// --cycle;
AlgoIntegralFunctions algo = (AlgoIntegralFunctions) geo
.getParentAlgorithm();
// function f
GeoFunction f = algo.getF();
String value = f.toValueString(getStringTemplate());
value = killSpace(StringUtil.toLaTeXString(value, true));
boolean plotWithGnuplot = warningFunc(value, "tan(")
|| warningFunc(value, "cosh(") || warningFunc(value, "acosh(")
|| warningFunc(value, "asinh(") || warningFunc(value, "atanh(")
|| warningFunc(value, "sinh(") || warningFunc(value, "tanh(");
startBeamer(codeFilledObject);
codeFilledObject.append("\\draw");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
codeFilledObject.append("[").append(s).append("] ");
}
codeFilledObject.append("{");
// between a and b
double a = algo.getA().getDouble();
double b = algo.getB().getDouble();
if (plotWithGnuplot) {
codeFilledObject.append(" plot[raw gnuplot, id=func");
codeFilledObject.append(functionIdentifier);
functionIdentifier++;
codeFilledObject.append("] function{set samples 100; set xrange [");
codeFilledObject.append(a);
codeFilledObject.append(":");
codeFilledObject.append(b);
codeFilledObject.append("]; plot ");
value = value.replaceAll("\\^", "**");
codeFilledObject.append(value);
codeFilledObject.append("}");
} else {
codeFilledObject.append("[");
codeFilledObject.append("smooth,samples=50,domain=");
codeFilledObject.append(a);
codeFilledObject.append(":");
codeFilledObject.append(b);
codeFilledObject.append("] plot");
codeFilledObject.append("(\\x,{");
value = replaceX(value, "(\\x)");
codeFilledObject.append(value);
codeFilledObject.append("})");
}
// function g
GeoFunction g = algo.getG();
codeFilledObject.append("} -- ");
writePoint(b, g.value(b), codeFilledObject);
codeFilledObject.append(" {");
value = g.toValueString(getStringTemplate());
value = killSpace(StringUtil.toLaTeXString(value, true));
plotWithGnuplot = warningFunc(value, "tan(")
|| warningFunc(value, "cosh(") || warningFunc(value, "acosh(")
|| warningFunc(value, "asinh(") || warningFunc(value, "atanh(")
|| warningFunc(value, "sinh(") || warningFunc(value, "tanh(");
if (plotWithGnuplot) {
codeFilledObject.append("-- plot[raw gnuplot, id=func");
codeFilledObject.append(functionIdentifier);
functionIdentifier++;
codeFilledObject.append(
"] function{set parametric ; set samples 100; set trange [");
codeFilledObject.append(a);
codeFilledObject.append(":");
codeFilledObject.append(b);
codeFilledObject.append("]; plot ");
String variable = format(b + a) + "-t";
codeFilledObject.append(variable);
codeFilledObject.append(",");
value = replaceX(value, variable);
value = value.replaceAll("\\^", "**");
codeFilledObject.append(value);
codeFilledObject.append("}");
} else {
codeFilledObject.append("[");
codeFilledObject.append("smooth,samples=50,domain=");
codeFilledObject.append(b);
codeFilledObject.append(":");
codeFilledObject.append(a);
codeFilledObject.append("] -- plot");
codeFilledObject.append("(\\x,{");
value = replaceX(value, "(\\x)");
codeFilledObject.append(value);
codeFilledObject.append("})");
}
codeFilledObject.append("} -- ");
writePoint(a, f.value(a), codeFilledObject);
codeFilledObject.append(" -- cycle;\n");
endBeamer(codeFilledObject);
}
@Override
protected void drawIntegral(GeoNumeric geo) {
// command: \plot[option]
// plot[domain]{\pstplot{a}{b}{f(x)}\lineto(b,0)\lineto(a,0)\closepath}
AlgoIntegralDefinite algo = (AlgoIntegralDefinite) geo
.getParentAlgorithm();
// function f
GeoFunction f = algo.getFunction();
// between a and b
double a = algo.getA().getDouble();
double b = algo.getB().getDouble();
if (a == Double.NEGATIVE_INFINITY) {
a = xmin;
}
if (b == Double.POSITIVE_INFINITY) {
b = xmax;
}
String value = f.toValueString(getStringTemplate());
value = killSpace(StringUtil.toLaTeXString(value, true));
boolean plotWithGnuplot = warningFunc(value, "tan(")
|| warningFunc(value, "cosh(") || warningFunc(value, "acosh(")
|| warningFunc(value, "asinh(") || warningFunc(value, "atanh(")
|| warningFunc(value, "sinh(") || warningFunc(value, "tanh(");
startBeamer(codeFilledObject);
if (!isLatexFunction(f.toValueString(StringTemplate.noLocalDefault))) {
double af = xmin;
double bf = xmax;
if (f.hasInterval()) {
af = f.getIntervalMin();
bf = f.getIntervalMax();
}
f.setInterval(a, b);
drawFunction(f, code, true, geo);
f.setInterval(af, bf);
if (f.isEuclidianVisible()) {
drawFunction(f, code, false, geo);
}
} else {
codeFilledObject.append("\\draw");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
codeFilledObject.append("[");
codeFilledObject.append(s);
}
if (plotWithGnuplot) {
if (s.length() != 0) {
codeFilledObject.append("]");
}
codeFilledObject.append(" plot[raw gnuplot, id=func");
codeFilledObject.append(functionIdentifier);
functionIdentifier++;
codeFilledObject
.append("] function{set samples 100; set xrange [");
codeFilledObject.append(a);
codeFilledObject.append(":");
codeFilledObject.append(b);
codeFilledObject.append("]; plot ");
value = value.replaceAll("\\^", "**");
codeFilledObject.append(value);
codeFilledObject.append("}");
} else {
if (s.length() != 0) {
codeFilledObject.append(", ");
} else {
codeFilledObject.append("[");
}
codeFilledObject.append("smooth,samples=50,domain=");
codeFilledObject.append(a);
codeFilledObject.append(":");
codeFilledObject.append(b);
codeFilledObject.append("] plot");
codeFilledObject.append("(\\x,{");
value = replaceX(value, "(\\x)");
codeFilledObject.append(value);
codeFilledObject.append("})");
}
codeFilledObject.append(" -- ");
writePoint(b, 0, codeFilledObject);
codeFilledObject.append(" -- ");
writePoint(a, 0, codeFilledObject);
codeFilledObject.append(" -- cycle;\n");
endBeamer(codeFilledObject);
}
}
@Override
protected void drawSlope(GeoNumeric geo) {
int slopeTriangleSize = geo.getSlopeTriangleSize();
double rwHeight = geo.getValue() * slopeTriangleSize;
double height = euclidianView.getYscale() * rwHeight;
double[] coords = new double[2];
if (Math.abs(height) > Float.MAX_VALUE) {
return;
}
// get point on line g
((AlgoSlope) geo.getParentAlgorithm()).getInhomPointOnLine(coords);
// draw slope triangle
double x = coords[0];
double y = coords[1];
double xright = x + slopeTriangleSize;
startBeamer(codeFilledObject);
codeFilledObject.append("\\draw");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
codeFilledObject.append("[").append(s).append("] ");
}
writePoint(x, y, codeFilledObject);
codeFilledObject.append(" -- ");
writePoint(xright, y, codeFilledObject);
codeFilledObject.append(" -- ");
writePoint(xright, y + rwHeight, codeFilledObject);
codeFilledObject.append(";\n");
// draw Label
double xLabelHor = (x + xright) / 2;
double yLabelHor = y - ((euclidianView.getFont().getSize() + 2)
/ euclidianView.getYscale());
GColor geocolor = geo.getObjectColor();
codePoint.append("\\draw[color=");
colorCode(geocolor, codePoint);
codePoint.append("] ");
writePoint(xLabelHor, yLabelHor, codePoint);
codePoint.append(" node[anchor=south west] {");
codePoint.append(slopeTriangleSize);
codePoint.append("};\n");
endBeamer(codeFilledObject);
}
@Override
protected void drawAngle(GeoAngle geo) {
AlgoElement algo = geo.getParentAlgorithm();
GeoPointND vertex, point;
GeoVectorND v;
GeoPoint tempPoint = new GeoPoint(construction);
tempPoint.setCoords(0.0, 0.0, 1.0);
double[] firstVec = new double[2];
double[] m = new double[2];
// angle defines with three points
if (algo instanceof AlgoAnglePoints) {
AlgoAnglePoints pa = (AlgoAnglePoints) algo;
vertex = pa.getB();
point = pa.getA();
vertex.getInhomCoords(m);
// first vec
Coords coords = point.getInhomCoordsInD3();
firstVec[0] = coords.getX() - m[0];
firstVec[1] = coords.getY() - m[1];
}
// angle between two vectors
else if (algo instanceof AlgoAngleVectors) {
AlgoAngleVectors va = (AlgoAngleVectors) algo;
v = va.getv();
// vertex
vertex = v.getStartPoint();
if (vertex == null) {
vertex = tempPoint;
}
vertex.getInhomCoords(m);
// first vec
v.getInhomCoords(firstVec);
}
// angle between two lines
else if (algo instanceof AlgoAngleLines) {
AlgoAngleLines la = (AlgoAngleLines) algo;
vertex = tempPoint;
la.updateDrawInfo(m, firstVec, null);
}
// angle of a single vector or a single point
else if (algo instanceof AlgoAngleVector) {
AlgoAngleVector va = (AlgoAngleVector) algo;
GeoVec3D vec = va.getVec3D();
if (vec instanceof GeoVector) {
v = (GeoVector) vec;
// vertex
vertex = v.getStartPoint();
if (vertex == null) {
vertex = tempPoint;
}
vertex.getInhomCoords(m);
} else if (vec instanceof GeoPoint) {
vertex = tempPoint;
// vertex
vertex.getInhomCoords(m);
}
firstVec[0] = 1;
firstVec[1] = 0;
}
// Fix bug with Slider
tempPoint.remove();
// ///////////////
double angSt = Math.atan2(firstVec[1], firstVec[0]);
double angExt = geo.getRawAngle();
if (angExt > Math.PI * 2) {
angExt -= Math.PI * 2;
}
// if (geo.getAngleStyle() == GeoAngle.ANGLE_ISCLOCKWISE) {
// angSt += angExt;
// angExt = 2.0 * Math.PI - angExt;
// }
if (geo.getAngleStyle() == AngleStyle.NOTREFLEX) {
if (angExt > Math.PI) {
angSt += angExt;
angExt = 2.0 * Math.PI - angExt;
}
}
if (geo.getAngleStyle() == AngleStyle.ISREFLEX) {
if (angExt < Math.PI) {
angSt += angExt;
angExt = 2.0 * Math.PI - angExt;
}
}
angExt += angSt;
int arcSize = geo.getArcSize();
double r = arcSize / euclidianView.getXscale();
// if angle=90 and decoration=little square
if (drawAngleAs(geo, EuclidianStyleConstants.RIGHT_ANGLE_STYLE_SQUARE)) {
r = r / Math.sqrt(2);
double[] x = new double[8];
x[0] = m[0] + r * Math.cos(angSt);
x[1] = m[1] + r * Math.sin(angSt);
x[2] = m[0]
+ r * Math.sqrt(2) * Math.cos(angSt + Kernel.PI_HALF / 2);
x[3] = m[1]
+ r * Math.sqrt(2) * Math.sin(angSt + Kernel.PI_HALF / 2);
x[4] = m[0] + r * Math.cos(angSt + Kernel.PI_HALF);
x[5] = m[1] + r * Math.sin(angSt + Kernel.PI_HALF);
x[6] = m[0];
x[7] = m[1];
startBeamer(codeFilledObject);
codeFilledObject.append("\\draw");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
codeFilledObject.append("[").append(s).append("] ");
}
for (int i = 0; i < 4; i++) {
writePoint(x[2 * i], x[2 * i + 1], codeFilledObject);
codeFilledObject.append(" -- ");
}
codeFilledObject.append("cycle; \n");
endBeamer(codeFilledObject);
}
// draw arc for the angle
else {
// set arc in real world coords
double angStDeg = Math.toDegrees(angSt) % 360;
double angEndDeg = Math.toDegrees(angExt) % 360;
if (angStDeg > angEndDeg) {
angStDeg = angStDeg - 360;
}
startBeamer(codeFilledObject);
codeFilledObject.append("\\draw [shift={");
writePoint(m[0], m[1], codeFilledObject);
codeFilledObject.append("}");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
codeFilledObject.append(",").append(s).append("] ");
} else {
codeFilledObject.append("] ");
}
codeFilledObject.append("(0,0) -- (");
codeFilledObject.append(format(angStDeg));
codeFilledObject.append(":");
codeFilledObject.append(format(r));
codeFilledObject.append(") arc (");
codeFilledObject.append(format(angStDeg));
codeFilledObject.append(":");
codeFilledObject.append(format(angEndDeg));
codeFilledObject.append(":");
codeFilledObject.append(format(r));
codeFilledObject.append(") -- cycle;\n");
endBeamer(codeFilledObject);
// draw the dot if angle= 90 and decoration=dot
if (drawAngleAs(geo, EuclidianStyleConstants.RIGHT_ANGLE_STYLE_DOT)) {
double diameter = geo.getLineThickness()
/ euclidianView.getXscale();
double radius = arcSize / euclidianView.getXscale() / 1.7;
double labelAngle = (angSt + angExt) / 2.0;
double x1 = m[0] + radius * Math.cos(labelAngle);
double x2 = m[1] + radius * Math.sin(labelAngle);
// draw an ellipse
// command: \draw (0,0) circle diameter
startBeamer(code);
code.append("\\fill");
s = lineOptionCode(geo, true);
if (s.length() != 0) {
code.append("[").append(s).append("] ");
}
writePoint(x1, x2, code);
code.append(" circle (");
code.append(format(diameter / 2));
code.append(");\n");
endBeamer(code);
}
}
int deco = geo.getDecorationType();
if (deco != GeoElementND.DECORATION_NONE) {
startBeamer(code);
markAngle(geo, r, m, angSt, angExt);
endBeamer(code);
}
}
@Override
protected void drawArrowArc(GeoAngle geo, double[] vertex, double angSt,
double angEnd, double r, boolean anticlockwise) {
double angStDeg = Math.toDegrees(angSt) % 360;
double angEndDeg = Math.toDegrees(angEnd) % 360;
if (angStDeg > angEndDeg) {
angStDeg -= 360;
}
code.append("\\draw [shift={");
writePoint(vertex[0], vertex[1], code);
code.append("},");
if (anticlockwise) {
code.append("->");
} else {
code.append("<-");
}
String s = lineOptionCode(geo, false);
if (s.length() != 0) {
code.append(",").append(s).append("] ");
} else {
code.append("] ");
}
code.append("(");
code.append(format(angStDeg));
code.append(":");
code.append(format(r));
code.append(") arc (");
code.append(format(angStDeg));
code.append(":");
code.append(format(angEndDeg));
code.append(":");
code.append(format(r));
code.append(");\n");
}
@Override
protected void drawArc(GeoAngle geo, double[] vertex, double angSt,
double angEnd, double r) {
double angStDeg = Math.toDegrees(angSt) % 360;
double angEndDeg = Math.toDegrees(angEnd) % 360;
if (angStDeg > angEndDeg) {
angStDeg -= 360;
}
if (isBeamer) {
code.append(" ");
}
code.append("\\draw [shift={");
writePoint(vertex[0], vertex[1], code);
code.append("}");
String s = lineOptionCode(geo, false);
if (s.length() != 0) {
code.append(",").append(s).append("] ");
} else {
code.append("] ");
}
code.append("(");
code.append(format(angStDeg));
code.append(":");
code.append(format(r));
code.append(") arc (");
code.append(format(angStDeg));
code.append(":");
code.append(format(angEndDeg));
code.append(":");
code.append(format(r));
code.append(");\n");
}
@Override
protected void drawTick(GeoAngle geo, double[] vertex, double angle0) {
double cos = Math.cos(angle0);
double sin = Math.sin(-angle0);
double radius = geo.getArcSize();
double diff = 2.5 + geo.getLineThickness() / 4d;
double x1 = euclidianView
.toRealWorldCoordX(vertex[0] + (radius - diff) * cos);
double x2 = euclidianView
.toRealWorldCoordX(vertex[0] + (radius + diff) * cos);
double y1 = euclidianView.toRealWorldCoordY(vertex[1]
+ (radius - diff) * sin * euclidianView.getScaleRatio());
double y2 = euclidianView.toRealWorldCoordY(vertex[1]
+ (radius + diff) * sin * euclidianView.getScaleRatio());
if (isBeamer) {
code.append(" ");
}
code.append("\\draw");
String s = lineOptionCode(geo, false);
if (s.length() != 0) {
code.append("[").append(s).append("] ");
}
writePoint(x1, y1, code);
code.append(" -- ");
writePoint(x2, y2, code);
code.append(";\n");
}
@Override
protected void drawSlider(GeoNumeric geo) {
boolean horizontal = geo.isSliderHorizontal();
double max = geo.getIntervalMax();
double min = geo.getIntervalMin();
double value = geo.getValue();
double width = geo.getSliderWidth();
double x = geo.getSliderX();
double y = geo.getSliderY();
// start point of horizontal line for slider
if (geo.isAbsoluteScreenLocActive()) {
x = euclidianView.toRealWorldCoordX(x);
y = euclidianView.toRealWorldCoordY(y);
width = horizontal ? width / euclidianView.getXscale()
: width / euclidianView.getYscale();
}
// create point for slider
GeoPoint geoPoint = new GeoPoint(construction);
geoPoint.setObjColor(geo.getObjectColor());
String label = StringUtil.toLaTeXString(geo.getLabelDescription(),
true);
geoPoint.setLabel(label);
double param = (value - min) / (max - min);
geoPoint.setPointSize(2 + (geo.getLineThickness() + 1) / 3);
geoPoint.setLabelVisible(geo.isLabelVisible());
if (horizontal) {
geoPoint.setCoords(x + width * param, y, 1.0);
} else {
geoPoint.setCoords(x, y + width * param, 1.0);
}
DrawPoint drawPoint = new DrawPoint(euclidianView, geoPoint);
drawPoint.setGeoElement(geo);
if (geo.isLabelVisible()) {
if (horizontal) {
drawPoint.xLabel -= 15;
drawPoint.yLabel -= 5;
} else {
drawPoint.xLabel += 5;
drawPoint.yLabel += 2 * geoPoint.getPointSize() + 4;
}
}
drawGeoPoint(geoPoint);
drawLabel(geoPoint, drawPoint);
// Bug fixed with Slider
geoPoint.remove();
// draw Line or Slider
startBeamer(code);
code.append("\\draw");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
s = "[" + s + "] ";
code.append(s);
}
writePoint(x, y, code);
code.append(" -- ");
if (horizontal) {
x += width;
} else {
y += width;
}
writePoint(x, y, code);
code.append(";\n");
endBeamer(code);
}
@Override
protected void drawPolygon(GeoPolygon geo) {
// command: \pspolygon[par](x0,y0)....(xn,yn)
double alpha = geo.getAlphaValue();
if (alpha == 0.0f && geo.getFillType() == FillType.IMAGE) {
return;
}
startBeamer(codeFilledObject);
codeFilledObject.append("\\fill");
String s = lineOptionCode(geo, true);
if (s.length() != 0) {
s = "[" + s + "] ";
codeFilledObject.append(s);
}
GeoPointND[] points = geo.getPoints();
for (int i = 0; i < points.length; i++) {
Coords coords = points[i].getCoordsInD2();
double x = coords.getX(), y = coords.getY(), z = coords.getZ();
x = x / z;
y = y / z;
writePoint(x, y, codeFilledObject);
codeFilledObject.append(" -- ");
}
codeFilledObject.append("cycle;\n");
endBeamer(codeFilledObject);
}
@Override
protected void drawText(GeoText geo) {
boolean isLatex = geo.isLaTeX();
String st = geo.getTextString();
int style = geo.getFontStyle();
int size = (int) (geo.getFontSizeMultiplier() * getApp().getFontSize());
GeoPointND gp;
double x, y;
// compute location of text
if (geo.isAbsoluteScreenLocActive()) {
x = geo.getAbsoluteScreenLocX();
y = geo.getAbsoluteScreenLocY();