public static Map<String, String> getStyles(String str) throws IOException { HashMap<String, String> styles = new HashMap<String, String>(); if (str == null) return styles; StreamTokenizer tt = new StreamTokenizer(new StringReader(str)); tt.resetSyntax(); tt.wordChars('!', '9'); tt.wordChars('<', '~'); tt.wordChars(128 + 32, 255); tt.whitespaceChars(0, ' '); while (tt.nextToken() != StreamTokenizer.TT_EOF) { if (tt.ttype != ';') { String key, value; if (tt.ttype != StreamTokenizer.TT_WORD) { throw new IOException( "Key token expected in " + str + " " + Integer.toHexString(tt.ttype)); } key = tt.sval; if (tt.nextToken() != ':') { throw new IOException("Colon expected after " + key + " in " + str); } if (tt.nextToken() != StreamTokenizer.TT_WORD) { throw new IOException( "Value token expected after " + key + " in " + str + " " + tt.ttype); } value = tt.sval; while (tt.nextToken() == StreamTokenizer.TT_WORD) { value += ' ' + tt.sval; } tt.pushBack(); styles.put(key, value); } } return styles; }
public static List<BezierPath> fromPathData(String str) throws IOException { LinkedList<BezierPath> paths = new LinkedList<BezierPath>(); BezierPath path = null; Point2D.Double p = new Point2D.Double(); Point2D.Double c1 = new Point2D.Double(); Point2D.Double c2 = new Point2D.Double(); StreamTokenizer tt = new StreamTokenizer(new StringReader(str)); tt.resetSyntax(); tt.parseNumbers(); tt.whitespaceChars(0, ' '); tt.whitespaceChars(',', ','); char nextCommand = 'M'; char command = 'M'; while (tt.nextToken() != StreamTokenizer.TT_EOF) { if (tt.ttype > 0) { command = (char) tt.ttype; } else { command = nextCommand; tt.pushBack(); } BezierPath.Node node; switch (command) { // moveto case 'M': if (path != null) { paths.add(path); } path = new BezierPath(); if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y = tt.nval; path.moveTo(p.x, p.y); nextCommand = 'L'; break; case 'm': if (path != null) { paths.add(path); } path = new BezierPath(); if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x += tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y += tt.nval; path.moveTo(p.x, p.y); nextCommand = 'l'; // close path break; case 'Z': case 'z': p.x = path.get(0).x[0]; p.y = path.get(0).y[0]; path.setClosed(true); // lineto break; case 'L': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y = tt.nval; path.lineTo(p.x, p.y); nextCommand = 'L'; break; case 'l': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x += tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y += tt.nval; path.lineTo(p.x, p.y); nextCommand = 'l'; break; case 'H': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x = tt.nval; path.lineTo(p.x, p.y); nextCommand = 'H'; break; case 'h': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x += tt.nval; path.lineTo(p.x, p.y); nextCommand = 'h'; break; case 'V': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y = tt.nval; path.lineTo(p.x, p.y); nextCommand = 'V'; break; case 'v': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y += tt.nval; path.lineTo(p.x, p.y); nextCommand = 'v'; // curveto break; case 'C': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.y = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.y = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y = tt.nval; path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y); nextCommand = 'C'; break; case 'c': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.x = p.x + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.y = p.y + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.x = p.x + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.y = p.y + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x += tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y += tt.nval; path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y); nextCommand = 'c'; break; case 'S': node = path.get(path.size() - 1); c1.x = node.x[0] * 2d - node.x[1]; c1.y = node.y[0] * 2d - node.y[1]; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.y = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y = tt.nval; path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y); nextCommand = 'S'; break; case 's': node = path.get(path.size() - 1); c1.x = node.x[0] * 2d - node.x[1]; c1.y = node.y[0] * 2d - node.y[1]; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.x = p.x + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c2.y = p.y + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x += tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y += tt.nval; path.curveTo(c1.x, c1.y, c2.x, c2.y, p.x, p.y); nextCommand = 's'; // quadto break; case 'Q': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.y = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y = tt.nval; path.quadTo(c1.x, c1.y, p.x, p.y); nextCommand = 'Q'; break; case 'q': if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.x = p.x + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); c1.y = p.y + tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x += tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y += tt.nval; path.quadTo(c1.x, c1.y, p.x, p.y); nextCommand = 'q'; break; case 'T': node = path.get(path.size() - 1); c1.x = node.x[0] * 2d - node.x[1]; c1.y = node.y[0] * 2d - node.y[1]; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y = tt.nval; path.quadTo(c1.x, c1.y, p.x, p.y); nextCommand = 'T'; break; case 't': node = path.get(path.size() - 1); c1.x = node.x[0] * 2d - node.x[1]; c1.y = node.y[0] * 2d - node.y[1]; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.x += tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) throw new IOException("Number expected"); p.y += tt.nval; path.quadTo(c1.x, c1.y, p.x, p.y); nextCommand = 's'; break; default: throw new IOException("Illegal command: " + command); } } if (path != null) { paths.add(path); } return paths; }
public static AffineTransform getTransform(String str) throws IOException { AffineTransform t = new AffineTransform(); if (str != null) { StreamTokenizer tt = new StreamTokenizer(new StringReader(str)); tt.resetSyntax(); tt.wordChars('a', 'z'); tt.wordChars('A', 'Z'); tt.wordChars(128 + 32, 255); tt.whitespaceChars(0, ' '); tt.whitespaceChars(',', ','); tt.parseNumbers(); while (tt.nextToken() != StreamTokenizer.TT_EOF) { if (tt.ttype != StreamTokenizer.TT_WORD) { throw new IOException("Illegal transform " + str); } String type = tt.sval; if (tt.nextToken() != '(') { throw new IOException("'(' not found in transform " + str); } if (type.equals("matrix")) { double[] m = new double[6]; for (int i = 0; i < 6; i++) { if (tt.nextToken() != StreamTokenizer.TT_NUMBER) { throw new IOException( "Matrix value " + i + " not found in transform " + str + " token:" + tt.ttype + " " + tt.sval); } if (tt.nextToken() == StreamTokenizer.TT_WORD && tt.sval.startsWith("E")) { double mantissa = tt.nval; tt.nval = Double.valueOf(tt.nval + tt.sval); } else { tt.pushBack(); } m[i] = tt.nval; } t.concatenate(new AffineTransform(m)); } else if (type.equals("translate")) { double tx, ty; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) { throw new IOException("X-translation value not found in transform " + str); } tx = tt.nval; if (tt.nextToken() == StreamTokenizer.TT_NUMBER) { ty = tt.nval; } else { tt.pushBack(); ty = 0; } t.translate(tx, ty); } else if (type.equals("scale")) { double sx, sy; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) { throw new IOException("X-scale value not found in transform " + str); } sx = tt.nval; if (tt.nextToken() == StreamTokenizer.TT_NUMBER) { sy = tt.nval; } else { tt.pushBack(); sy = sx; } t.scale(sx, sy); } else if (type.equals("rotate")) { double angle, cx, cy; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) { throw new IOException("Angle value not found in transform " + str); } angle = tt.nval; if (tt.nextToken() == StreamTokenizer.TT_NUMBER) { cx = tt.nval; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) { throw new IOException("Y-center value not found in transform " + str); } cy = tt.nval; } else { tt.pushBack(); cx = cy = 0; } t.rotate(angle * Math.PI / 180d, cx * Math.PI / 180d, cy * Math.PI / 180d); } else if (type.equals("skewX")) { double angle; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) { throw new IOException("Skew angle not found in transform " + str); } angle = tt.nval; t.concatenate(new AffineTransform(1, 0, Math.tan(angle * Math.PI / 180), 1, 0, 0)); } else if (type.equals("skewY")) { double angle; if (tt.nextToken() != StreamTokenizer.TT_NUMBER) { throw new IOException("Skew angle not found in transform " + str); } angle = tt.nval; t.concatenate(new AffineTransform(1, Math.tan(angle * Math.PI / 180), 0, 1, 0, 0)); } else { throw new IOException("Unknown transform " + type + " in " + str); } if (tt.nextToken() != ')') { throw new IOException("')' not found in transform " + str); } } } return t; }