/**
* 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));
}
/**
* Draw a filled polygon with the given (x[i], y[i]) coordinates.
*
* @param x an array of all the x-coordindates of the polygon
* @param y an array of all the y-coordindates of the polygon
*/
public static void filledPolygon(double[] x, double[] y) {
int N = x.length;
GeneralPath path = new GeneralPath();
path.moveTo((float) scaleX(x[0]), (float) scaleY(y[0]));
for (int i = 0; i < N; i++) path.lineTo((float) scaleX(x[i]), (float) scaleY(y[i]));
path.closePath();
offscreen.fill(path);
draw();
}
/** Used to draw a Shape. */
public static GeneralPath makeShape(float loc[][]) {
GeneralPath path = new GeneralPath(GeneralPath.WIND_NON_ZERO);
path.moveTo(loc[0][0], loc[0][1]);
for (int i = 1; i < loc.length; i++) path.lineTo(loc[i][0], loc[i][1]);
return path;
}
public void setAdvance(float adv) {
advance = adv;
advp = new GeneralPath();
advp.moveTo(-2, -2);
advp.lineTo(2, 2);
advp.moveTo(-2, 2);
advp.lineTo(2, -2);
advp.moveTo(adv - 2, -2);
advp.lineTo(adv, 0);
advp.lineTo(adv + 2, -2);
advp.moveTo(adv, 0);
advp.lineTo(adv, -8);
}
public void curveTo(float x1, float y1, float x2, float y2, float x3, float y3) {
gp.curveTo(x1, y1, x2, y2, x3, y3);
this.x = x3;
this.y = y3;
points.add(new GlyphPoint(x1, y1, true));
points.add(new GlyphPoint(x2, y2, true));
points.add(new GlyphPoint(x3, y3, false));
}
public void drawPolylines(Graphics2D g2) {
int i, ipol, npoints, noffs;
// draw GeneralPath (polyline)
for (ipol = 0; ipol < numpolys; ipol++) {
noffs = bufpol[ipol];
npoints = bufpts[noffs + 1];
if (npoints > 1) { // was 0, TS on 20.08.'12
polyline.moveTo(bufpts[noffs + 2], bufpts[noffs + 3]);
for (i = 1; i < npoints; i++) {
polyline.lineTo(bufpts[noffs + 2 * i + 2], bufpts[noffs + 2 * i + 3]);
}
/* //TS on 20.08.'12
if (npoints == 1) {
polyline.lineTo(bufpts[noffs+2], bufpts[noffs+3]);
}
*/
g2.setStroke(DatanGraphics.strokes[bufpts[noffs] - 1]);
g2.setPaint(DatanGraphics.ct[bufpts[noffs]]);
g2.draw(polyline);
polyline.reset();
}
}
}
public GlyphPoint(float x, float y, boolean curvectrl) {
this.x = x;
this.y = y;
this.curvecontrol = curvectrl;
gp = new GeneralPath();
if (curvectrl) {
gp.moveTo(x - 4, y - 4);
gp.lineTo(x + 4, y + 4);
gp.moveTo(x - 4, y + 4);
gp.lineTo(x + 4, y - 4);
} else {
gp.moveTo(x - 4, y - 4);
gp.lineTo(x - 4, y + 4);
gp.lineTo(x + 4, y + 4);
gp.lineTo(x + 4, y - 4);
gp.closePath();
}
}
public void closePath() {
gp.closePath();
}
public void moveTo(float x, float y) {
gp.moveTo(x, y);
this.x = x;
this.y = y;
points.add(new GlyphPoint(x, y, false));
}
public void run() {
Thread me = Thread.currentThread();
while (getSize().width <= 0) {
try {
anim.sleep(500);
} catch (InterruptedException e) {
return;
}
}
Graphics2D g2d = null;
Graphics2D BufferG2D = null;
Graphics2D ScreenG2D = null;
BasicStroke solid = new BasicStroke(9.0f, BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 9.0f);
GeneralPath gp = new GeneralPath(GeneralPath.WIND_NON_ZERO);
int rule = AlphaComposite.SRC_OVER;
AlphaComposite opaque = AlphaComposite.SrcOver;
AlphaComposite blend = AlphaComposite.getInstance(rule, 0.9f);
AlphaComposite set = AlphaComposite.Src;
int frame = 0;
int frametmp = 0;
Dimension oldSize = getSize();
Shape clippath = null;
while (anim == me) {
Dimension size = getSize();
if (size.width != oldSize.width || size.height != oldSize.height) {
img = null;
clippath = null;
if (BufferG2D != null) {
BufferG2D.dispose();
BufferG2D = null;
}
if (ScreenG2D != null) {
ScreenG2D.dispose();
ScreenG2D = null;
}
}
oldSize = size;
if (img == null) {
img = (BufferedImage) createImage(size.width, size.height);
}
if (BufferG2D == null) {
BufferG2D = img.createGraphics();
BufferG2D.setRenderingHint(
RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_DEFAULT);
BufferG2D.setClip(clippath);
}
g2d = BufferG2D;
float[] ctrlpts;
for (int i = 0; i < animpts.length; i += 2) {
animate(animpts, deltas, i + 0, size.width);
animate(animpts, deltas, i + 1, size.height);
}
ctrlpts = animpts;
int len = ctrlpts.length;
gp.reset();
int dir = 0;
float prevx = ctrlpts[len - 2];
float prevy = ctrlpts[len - 1];
float curx = ctrlpts[0];
float cury = ctrlpts[1];
float midx = (curx + prevx) / 2.0f;
float midy = (cury + prevy) / 2.0f;
gp.moveTo(midx, midy);
for (int i = 2; i <= ctrlpts.length; i += 2) {
float x1 = (midx + curx) / 2.0f;
float y1 = (midy + cury) / 2.0f;
prevx = curx;
prevy = cury;
if (i < ctrlpts.length) {
curx = ctrlpts[i + 0];
cury = ctrlpts[i + 1];
} else {
curx = ctrlpts[0];
cury = ctrlpts[1];
}
midx = (curx + prevx) / 2.0f;
midy = (cury + prevy) / 2.0f;
float x2 = (prevx + midx) / 2.0f;
float y2 = (prevy + midy) / 2.0f;
gp.curveTo(x1, y1, x2, y2, midx, midy);
}
gp.closePath();
g2d.setComposite(set);
g2d.setBackground(backgroundColor);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
if (bgChanged || bounds == null) {
bounds = new Rectangle(0, 0, getWidth(), getHeight());
bgChanged = false;
}
// g2d.clearRect(bounds.x-5, bounds.y-5, bounds.x + bounds.width + 5, bounds.y + bounds.height
// + 5);
g2d.clearRect(0, 0, getWidth(), getHeight());
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setColor(outerColor);
g2d.setComposite(opaque);
g2d.setStroke(solid);
g2d.draw(gp);
g2d.setPaint(gradient);
if (!bgChanged) {
bounds = gp.getBounds();
} else {
bounds = new Rectangle(0, 0, getWidth(), getHeight());
bgChanged = false;
}
gradient =
new GradientPaint(
bounds.x,
bounds.y,
gradientColorA,
bounds.x + bounds.width,
bounds.y + bounds.height,
gradientColorB,
true);
g2d.setComposite(blend);
g2d.fill(gp);
if (g2d == BufferG2D) {
repaint();
}
++frame;
Thread.yield();
}
if (g2d != null) {
g2d.dispose();
}
}