private TessOutput tesselateString(String s) { GlyphVector gv = _font.createGlyphVector(_frc, s); Shape shape = gv.getOutline(); // AffineTransform at = new AffineTransform(); at.scale(1, -1); PathIterator pIt = shape.getPathIterator(at, _font.getSize() / 200.0); // Create a GLU tesselator GLUtessellator tess = GLU.gluNewTess(); CharTesselator tessAdapt = new CharTesselator(); GLU.gluTessCallback(tess, GLU.GLU_TESS_VERTEX, tessAdapt); GLU.gluTessCallback(tess, GLU.GLU_TESS_BEGIN, tessAdapt); GLU.gluTessCallback(tess, GLU.GLU_TESS_END, tessAdapt); GLU.gluTessCallback(tess, GLU.GLU_TESS_COMBINE, tessAdapt); GLU.gluTessCallback(tess, GLU.GLU_TESS_ERROR, tessAdapt); int winding = pIt.getWindingRule(); if (winding == PathIterator.WIND_EVEN_ODD) GLU.gluTessProperty(tess, GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_ODD); else if (winding == PathIterator.WIND_NON_ZERO) GLU.gluTessProperty(tess, GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_NONZERO); else assert (false); // PathIterator should only return these two winding rules GLU.gluBeginPolygon(tess); GLU.gluTessNormal(tess, 0, 0, 1); double[] first = null; double[] v; while (!pIt.isDone()) { v = new double[3]; int type = pIt.currentSegment(v); v[2] = 0.0; if (type == PathIterator.SEG_MOVETO) { first = v; GLU.gluNextContour(tess, GLU.GLU_UNKNOWN); GLU.gluTessVertex(tess, v, 0, v); } else if (type == PathIterator.SEG_LINETO) { GLU.gluTessVertex(tess, v, 0, v); } else if (type == PathIterator.SEG_CLOSE) { assert (first != null); // If this is true, there is an error in the AWT path iterator GLU.gluTessVertex(tess, first, 0, first); first = null; } else { assert (false); // The path itertor should not return other path types here } pIt.next(); } GLU.gluEndPolygon(tess); int numVerts = tessAdapt.getVerts().size(); double[] verts = new double[numVerts]; int count = 0; for (double d : tessAdapt.getVerts()) { verts[count++] = d; } TessOutput ret = new TessOutput(); ret.verts = verts; ret.bounds = gv.getVisualBounds(); ret.advances = new double[s.length()]; for (int i = 0; i < s.length(); ++i) { ret.advances[i] = gv.getGlyphMetrics(i).getAdvance(); } return ret; }