/**
* Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
* <code>nohref</code> Attribute for the specified figure and shape.
*
* @return Returns true, if the polygon is inside of the image bounds.
*/
private boolean writePolyAttributes(IXMLElement elem, SVGFigure f, Shape shape) {
AffineTransform t = TRANSFORM.getClone(f);
if (t == null) {
t = drawingTransform;
} else {
t.preConcatenate(drawingTransform);
}
StringBuilder buf = new StringBuilder();
float[] coords = new float[6];
GeneralPath path = new GeneralPath();
for (PathIterator i = shape.getPathIterator(t, 1.5f);
! i.isDone(); i.next()) {
switch (i.currentSegment(coords)) {
case PathIterator.SEG_MOVETO :
if (buf.length() != 0) {
throw new IllegalArgumentException("Illegal shape "+shape);
}
if (buf.length() != 0) {
buf.append(',');
}
buf.append((int) coords[0]);
buf.append(',');
buf.append((int) coords[1]);
path.moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_LINETO :
if (buf.length() != 0) {
buf.append(',');
}
buf.append((int) coords[0]);
buf.append(',');
buf.append((int) coords[1]);
path.lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_CLOSE :
path.closePath();
break;
default :
throw new InternalError("Illegal segment type "+i.currentSegment(coords));
}
}
elem.setAttribute("shape", "poly");
elem.setAttribute("coords", buf.toString());
writeHrefAttribute(elem, f);
return path.intersects(new Rectangle2D.Float(bounds.x, bounds.y, bounds.width, bounds.height));
}
@Override
public void transform(AffineTransform tx) {
if (get(TRANSFORM) != null
|| (tx.getType() & (AffineTransform.TYPE_TRANSLATION)) != tx.getType()) {
if (get(TRANSFORM) == null) {
TRANSFORM.setClone(this, tx);
} else {
AffineTransform t = TRANSFORM.getClone(this);
t.preConcatenate(tx);
set(TRANSFORM, t);
}
} else {
super.transform(tx);
}
}
public void setFontSize(float size) {
// FONT_SIZE.basicSet(this, new Double(size));
Point2D.Double p = new Point2D.Double(0, size);
AffineTransform tx = TRANSFORM.get(this);
if (tx != null) {
try {
tx.inverseTransform(p, p);
Point2D.Double p0 = new Point2D.Double(0, 0);
tx.inverseTransform(p0, p0);
p.y -= p0.y;
} catch (NoninvertibleTransformException ex) {
ex.printStackTrace();
}
}
FONT_SIZE.set(this, Math.abs(p.y));
}
public float getFontSize() {
// return FONT_SIZE.get(this).floatValue();
Point2D.Double p = new Point2D.Double(0, FONT_SIZE.get(this));
AffineTransform tx = TRANSFORM.get(this);
if (tx != null) {
tx.transform(p, p);
Point2D.Double p0 = new Point2D.Double(0, 0);
tx.transform(p0, p0);
p.y -= p0.y;
/*
try {
tx.inverseTransform(p, p);
} catch (NoninvertibleTransformException ex) {
ex.printStackTrace();
}*/
}
return (float) Math.abs(p.y);
}
/**
* Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
* <code>nohref</code> Attribute for the specified figure and ellipse.
*
* @return Returns true, if the circle is inside of the image bounds.
*/
private boolean writeCircleAttributes(IXMLElement elem, SVGFigure f, Ellipse2D.Double ellipse) {
AffineTransform t = TRANSFORM.getClone(f);
if (t == null) {
t = drawingTransform;
} else {
t.preConcatenate(drawingTransform);
}
if ((t.getType() &
(AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
t.getType() &&
ellipse.width == ellipse.height
) {
Point2D.Double start = new Point2D.Double(ellipse.x, ellipse.y);
Point2D.Double end = new Point2D.Double(ellipse.x + ellipse.width, ellipse.y + ellipse.height);
t.transform(start, start);
t.transform(end, end);
ellipse.x = Math.min(start.x, end.x);
ellipse.y = Math.min(start.y, end.y);
ellipse.width = Math.abs(start.x - end.x);
ellipse.height = Math.abs(start.y - end.y);
elem.setAttribute("shape", "circle");
elem.setAttribute("coords",
(int) (ellipse.x + ellipse.width / 2d)+","+
(int) (ellipse.y + ellipse.height / 2d)+","+
(int) (ellipse.width / 2d)
);
writeHrefAttribute(elem, f);
return bounds.intersects(ellipse.getBounds());
} else {
return writePolyAttributes(elem, f, (Shape) ellipse);
}
}
/**
* Transforms the figure.
*
* @param tx the transformation.
*/
public void transform(AffineTransform tx) {
if (TRANSFORM.get(this) != null
|| tx.getType() != (tx.getType() & AffineTransform.TYPE_TRANSLATION)) {
if (TRANSFORM.get(this) == null) {
TRANSFORM.basicSet(this, (AffineTransform) tx.clone());
} else {
AffineTransform t = TRANSFORM.getClone(this);
t.preConcatenate(tx);
TRANSFORM.basicSet(this, t);
}
} else {
for (int i = 0; i < coordinates.length; i++) {
tx.transform(coordinates[i], coordinates[i]);
}
if (FILL_GRADIENT.get(this) != null && !FILL_GRADIENT.get(this).isRelativeToFigureBounds()) {
Gradient g = FILL_GRADIENT.getClone(this);
g.transform(tx);
FILL_GRADIENT.basicSet(this, g);
}
if (STROKE_GRADIENT.get(this) != null
&& !STROKE_GRADIENT.get(this).isRelativeToFigureBounds()) {
Gradient g = STROKE_GRADIENT.getClone(this);
g.transform(tx);
STROKE_GRADIENT.basicSet(this, g);
}
}
invalidate();
}
/**
* All other write methods delegate their work to here.
*/
public void write(OutputStream out, java.util.List<Figure> figures) throws IOException {
Rectangle2D.Double drawingRect = null;
for (Figure f : figures) {
if (drawingRect == null) {
drawingRect = f.getBounds();
} else {
drawingRect.add(f.getBounds());
}
}
AffineTransform drawingTransform = new AffineTransform();
drawingTransform.translate(
-Math.min(0, drawingRect.x),
-Math.min(0, drawingRect.y)
);
write(out, figures, drawingTransform,
new Dimension(
(int) (Math.abs(drawingRect.x) + drawingRect.width),
(int) (Math.abs(drawingRect.y) + drawingRect.height))
);
}
private Shape getTextShape() {
if (cachedTextShape == null) {
String text = getText();
if (text == null || text.length() == 0) {
text = " ";
}
FontRenderContext frc = getFontRenderContext();
HashMap<TextAttribute, Object> textAttributes = new HashMap<TextAttribute, Object>();
textAttributes.put(TextAttribute.FONT, getFont());
if (FONT_UNDERLINE.get(this)) {
textAttributes.put(TextAttribute.UNDERLINE, TextAttribute.UNDERLINE_ON);
}
TextLayout textLayout = new TextLayout(text, textAttributes, frc);
AffineTransform tx = new AffineTransform();
tx.translate(coordinates[0].x, coordinates[0].y);
switch (TEXT_ANCHOR.get(this)) {
case END:
tx.translate(-textLayout.getAdvance(), 0);
break;
case MIDDLE:
tx.translate(-textLayout.getAdvance() / 2d, 0);
break;
case START:
break;
}
tx.rotate(rotates[0]);
/*
if (TRANSFORM.get(this) != null) {
tx.preConcatenate(TRANSFORM.get(this));
}*/
cachedTextShape = tx.createTransformedShape(textLayout.getOutline(tx));
cachedTextShape = textLayout.getOutline(tx);
}
return cachedTextShape;
}
/**
* Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
* <code>nohref</code> Attribute for the specified figure and rectangle.
*
* @return Returns true, if the rect is inside of the image bounds.
*/
private boolean writeRectAttributes(IXMLElement elem, SVGFigure f, Rectangle2D.Double rect) {
AffineTransform t = TRANSFORM.getClone(f);
if (t == null) {
t = drawingTransform;
} else {
t.preConcatenate(drawingTransform);
}
if ((t.getType() &
(AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
t.getType()
) {
Point2D.Double start = new Point2D.Double(rect.x, rect.y);
Point2D.Double end = new Point2D.Double(rect.x + rect.width, rect.y + rect.height);
t.transform(start, start);
t.transform(end, end);
Rectangle r = new Rectangle(
(int) Math.min(start.x, end.x),
(int) Math.min(start.y, end.y),
(int) Math.abs(start.x - end.x),
(int) Math.abs(start.y - end.y)
);
elem.setAttribute("shape", "rect");
elem.setAttribute("coords",
r.x + ","+
r.y + ","+
(r.x + r.width) + ","+
(r.y + r.height)
);
writeHrefAttribute(elem, f);
return bounds.intersects(r);
} else {
return writePolyAttributes(elem, f, (Shape) rect);
}
}
// SHAPE AND BOUNDS
@Override
public void transform(AffineTransform tx) {
tx.transform(origin, origin);
}
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;
}