public final void reset() {
pathPoints.clear();
gp.reset();
bounds.setBounds(0, 0, 0, 0);
largestCoord = 0;
needClosePath = false;
}
public static GeneralPath createArrowLine(double x0, double y0, double x1, double y1) {
float theta = (float) Math.atan((double) (y1 - y0) / (double) (x1 - x0));
float len = (float) Math.sqrt(Math.pow((x1 - x0), 2) + Math.pow((y1 - y0), 2));
float side = (x1 < x0) ? -1 : 1;
// Ideally, we should use a fixed distance from the end point,
// rather than try and calculate a percentage, as that mucks it up
// for shorter lengths...The easiest way would be to "draw" a
// circle around the point (x1,y1) and then compute the
// line-circle intersection point. I'm too lazy to do the math
// right now, though...
GeneralPath gp = new GeneralPath();
gp.reset();
gp.moveTo((float) x0, (float) y0);
gp.lineTo((float) (x0 + ((x1 - x0) * 0.9725f)), (float) (y0 + ((y1 - y0) * 0.9725f)));
gp.moveTo((float) x1, (float) y1);
gp.lineTo(
(float) (x1 - side * ALEN * (float) Math.cos(theta + AANG)),
(float) (y1 - side * ALEN * (float) Math.sin(theta + AANG)));
gp.quadTo(
(float) (x0 + ((x1 - x0) * 0.9725f)),
(float) (y0 + ((y1 - y0) * 0.9725f)),
(float) (x1 - side * ALEN * Math.cos(theta - AANG)),
(float) (y1 - side * ALEN * Math.sin(theta - AANG)));
gp.closePath();
return gp;
}
public void reset() {
if (path != null) {
path.reset();
}
if (pathNormalizer != null) {
pathNormalizer.reset();
}
drawing = false;
newLine = false;
normalizerFinished = false;
normalizerCounter = 0;
normalizerX = 10.0;
normalizerY = 10.0;
pixX = 0;
pixY = 0;
propX = 0.0;
propY = 0.0;
lineList.clear();
repaint();
}
private GeneralPath getGeneralPath() {
if (pathPoints.size() == 0) return gp;
gp.reset();
if (largestCoord < MAX_COORD_VALUE) {
addSimpleSegments();
} else {
addClippedSegments();
}
// clear pathPoints to free up memory
pathPoints.clear();
return gp;
}
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 void update() {
super.update();
// YCTRL could be implemented but then we had to check whether target is above or below source.
if (target.isLeft()) {
one = new Point2D.Float(start.x - XCTRL, start.y);
two = new Point2D.Float(end.x + XCTRL, end.y);
} else {
one = new Point2D.Float(start.x + XCTRL, start.y);
two = new Point2D.Float(end.x - XCTRL, end.y);
}
int w = getWidth() / 2 + 1;
int w2 = w / 2;
int dy1 = getSourceShift();
line1.setCurve(
start.x, start.y + dy1 - w, one.x, one.y + dy1 - w, two.x, two.y - w2, end.x, end.y);
line2.setCurve(
end.x, end.y, two.x, two.y + w2, one.x, one.y + dy1 + w, start.x, start.y + dy1 + w);
graph.reset();
graph.append(line1, true);
graph.append(line2, true);
graph.closePath();
}
public void routeEdge(Graphics2D g2d, VisualEdge vEdge) {
Rectangle fromvertexBounds;
Rectangle tovertexBounds;
GeneralPath drawPath;
VisualVertex visualVertexA = vEdge.getVisualVertexA();
VisualVertex visualVertexB = vEdge.getVisualVertexB();
drawPath = new GeneralPath();
;
fromvertexBounds = visualVertexA.getBounds();
tovertexBounds = visualVertexB.getBounds();
// Make sure to clear the GeneralPath() first. Otherwise, the edge's previous
// path will be redrawn as well.
drawPath.reset();
// Start the line from the center of the vEdgertex
drawPath.moveTo((float) fromvertexBounds.getCenterX(), (float) fromvertexBounds.getCenterY());
drawPath.lineTo((float) tovertexBounds.getCenterX(), (float) tovertexBounds.getCenterY());
vEdge.setShape(new VisualGraphComponentPath(drawPath));
}
/** Paints the <tt>visualEdge</tt>. No arrowhead is drawn. */
public void paint(VisualGraphComponent component, Graphics2D g2d) {
VisualEdge vEdge = (VisualEdge) component;
Rectangle fromvertexBounds;
Rectangle tovertexBounds;
GeneralPath drawPath;
VisualVertex visualVertexA = vEdge.getVisualVertexA();
VisualVertex visualVertexB = vEdge.getVisualVertexB();
GraphLayoutManager layoutmanager = vEdge.getVisualGraph().getGraphLayoutManager();
drawPath = vEdge.getGeneralPath();
// If there is no layoutmanager or there is one but the layout has not
// been initialised, by default, let us route edges as straight lines.
if (layoutmanager == null || (layoutmanager != null && !layoutmanager.isInitialized())) {
fromvertexBounds = visualVertexA.getBounds();
tovertexBounds = visualVertexB.getBounds();
// Make sure to clear the GeneralPath() first. Otherwise, the edge's previous
// path will be redrawn as well.
drawPath.reset();
// Start the line from the center of the vEdgertex
drawPath.moveTo((float) fromvertexBounds.getCenterX(), (float) fromvertexBounds.getCenterY());
drawPath.lineTo((float) tovertexBounds.getCenterX(), (float) tovertexBounds.getCenterY());
} else {
// Let the layout manager determine how the edge will be routed.
layoutmanager.routeEdge(g2d, vEdge);
}
// Draw the line
g2d.setColor(vEdge.getOutlinecolor());
g2d.draw(drawPath);
// Draw the edge label
this.paintText(vEdge, g2d);
}
/**
* Le méthode <code>createShape</code> crée la forme qui sert à visualiser le contour de la zone
* convexe.
*/
public void createShape(Rectangle2D allocation) {
if (boundaryPath0 != null) return;
if (boundary == null) boundary = convexPolygonalZone.getBoundary();
if (DEBUG)
debug(
"this = "
+ toString()
+ "\n\tboundary = "
+ boundary.toString()
+ "\n\tallocation="
+ allocation.toString());
if (boundaryPath0 == null) boundaryPath0 = new GeneralPath();
boundaryPath0.reset();
if (boundary.subdivisionPoints.size() != 0) {
// la frontière n'est pas une droite, mais comprend au moins un
// point de sousdivision.
boundaryPath1 = null;
allocationIntersectionPath1 = null;
PicPoint firstPointInInfinity = null;
PicPoint secondPointInInfinity = null;
PicPoint anglePoint = null;
int i;
if (boundary.isClosed()) {
// pas de points à l'infini
allocationIntersectionPath0 = null;
allocationIntersectionPath1 = null;
bounds.setFrameFromDiagonal(
boundary.subdivisionPoints.get(0), boundary.subdivisionPoints.get(1));
i = 0;
} else {
PointsInInfinity pointsInInfinity = new PointsInInfinity(allocation);
firstPointInInfinity = pointsInInfinity.get(boundary.halfPlanes.getFirst(), +1);
boundaryPath0.moveTo(firstPointInInfinity.getX(), firstPointInInfinity.getY());
secondPointInInfinity = pointsInInfinity.get(boundary.halfPlanes.getLast(), -1);
anglePoint = pointsInInfinity.getAnglePoint();
bounds.setFrameFromDiagonal(firstPointInInfinity, secondPointInInfinity);
i = 1;
}
for (PicPoint pt : boundary.subdivisionPoints) {
if (i == 0) {
boundaryPath0.moveTo(pt.getX(), pt.getY());
} else {
boundaryPath0.lineTo(pt.getX(), pt.getY());
if (i > 1) bounds.add(pt);
}
++i;
}
if (!boundary.isClosed()) {
boundaryPath0.lineTo(secondPointInInfinity.getX(), secondPointInInfinity.getY());
if (allocationIntersectionPath0 == null) allocationIntersectionPath0 = new GeneralPath();
allocationIntersectionPath1 = null;
allocationIntersectionPath0.reset();
allocationIntersectionPath0.moveTo(
firstPointInInfinity.getX(), firstPointInInfinity.getY());
if (anglePoint != null)
allocationIntersectionPath0.lineTo(anglePoint.getX(), anglePoint.getY());
allocationIntersectionPath0.lineTo(
secondPointInInfinity.getX(), secondPointInInfinity.getY());
} else boundaryPath0.closePath();
if (DEBUG) debug("boundaryPath0 = " + boundaryPath0.toString());
} else if (boundary.halfPlanes.size() > 0) {
// ici on n'a pas de point de sous-division, donc la zone convexe
// est soit une bande, soit un demi-plan.
PointsInInfinity pointsInInfinity0 = new PointsInInfinity(allocation);
PicPoint firstPointInInfinity0 = pointsInInfinity0.get(boundary.halfPlanes.getFirst(), +1);
PicPoint secondPointInInfinity0 = pointsInInfinity0.get(boundary.halfPlanes.getFirst(), -1);
if (boundaryPath0 == null) boundaryPath0 = new GeneralPath();
boundaryPath0.reset();
boundaryPath0.moveTo(firstPointInInfinity0.getX(), firstPointInInfinity0.getY());
boundaryPath0.lineTo(secondPointInInfinity0.getX(), secondPointInInfinity0.getY());
if (boundary.halfPlanes.size() > 1) {
// la zone convexe est une bande
if (boundaryPath1 == null) boundaryPath1 = new GeneralPath();
boundaryPath1.reset();
boundaryPath1.moveTo(firstPointInInfinity0.getX(), firstPointInInfinity0.getY());
PointsInInfinity pointsInInfinity1 = new PointsInInfinity(pointsInInfinity0);
// Astuce : on prend le complémentaire de l'autre demi-plan de
// sorte que les points d'angle tournent dans le même sens.
ConvexPolygonalZone.HalfPlane complementLastHp =
boundary.halfPlanes.getLast().dirCInverse();
PicPoint firstPointInInfinity1 = pointsInInfinity1.get(complementLastHp, +1);
PicPoint secondPointInInfinity1 = pointsInInfinity1.get(complementLastHp, -1);
/*
first0 first1 (0) := boundaryPath0
x (1) x (1) := allocationIntersectionPath0
| | (2) := boundaryPath1
(0)|> |> (3) := allocationIntersectionPath1
| |(2)
x (3) x
second0 second1
*/
if (boundaryPath1 == null) boundaryPath1 = new GeneralPath();
boundaryPath1.reset();
// on fait trace de `second' vers `first' parce que on a pris
// le demi plan complémentaire, donc l'ordre est inversé si on
// veut continuer à tourner dans le même sens.
boundaryPath1.moveTo(secondPointInInfinity1.getX(), secondPointInInfinity1.getY());
boundaryPath1.lineTo(firstPointInInfinity1.getX(), firstPointInInfinity1.getY());
if (allocationIntersectionPath0 == null) allocationIntersectionPath0 = new GeneralPath();
allocationIntersectionPath0.reset();
allocationIntersectionPath0.moveTo(
firstPointInInfinity0.getX(), firstPointInInfinity0.getY());
if (allocationIntersectionPath1 == null) allocationIntersectionPath1 = new GeneralPath();
allocationIntersectionPath1.reset();
// idem, ici il faut partir de `second' et non de `first'
// toujours pourn la même raison qu'on a pris le demi-plan
// complémentaire.
allocationIntersectionPath1.moveTo(
secondPointInInfinity1.getX(), secondPointInInfinity1.getY());
PicPoint anglePoint0, anglePoint1;
anglePoint1 = pointsInInfinity1.getAnglePoint();
while ((anglePoint0 = pointsInInfinity0.getAnglePoint()) != null) {
if (anglePoint1 != null && anglePoint0.equals(anglePoint1)) break;
allocationIntersectionPath0.lineTo(anglePoint0.getX(), anglePoint0.getY());
}
allocationIntersectionPath0.lineTo(
firstPointInInfinity1.getX(), firstPointInInfinity1.getY());
if (anglePoint1 != null && anglePoint0 != null) {
for (; ; ) {
anglePoint0 = pointsInInfinity0.getAnglePoint();
anglePoint1 = pointsInInfinity1.getAnglePoint();
if (anglePoint1 == null) break;
if (anglePoint0 == null) break;
if (!anglePoint0.equals(anglePoint1)) break;
}
while (anglePoint0 != null) {
allocationIntersectionPath1.lineTo(anglePoint0.getX(), anglePoint0.getY());
anglePoint0 = pointsInInfinity0.getAnglePoint();
}
}
allocationIntersectionPath1.lineTo(
secondPointInInfinity0.getX(), secondPointInInfinity0.getY());
} else {
// la zone convexe est un demi-plan
boundaryPath1 = null;
allocationIntersectionPath1 = null;
if (allocationIntersectionPath0 == null) allocationIntersectionPath0 = new GeneralPath();
allocationIntersectionPath0.moveTo(
firstPointInInfinity0.getX(), firstPointInInfinity0.getY());
PicPoint anglePoint;
while ((anglePoint = pointsInInfinity0.getAnglePoint()) != null) {
allocationIntersectionPath0.lineTo(anglePoint.getX(), anglePoint.getY());
}
allocationIntersectionPath0.lineTo(
secondPointInInfinity0.getX(), secondPointInInfinity0.getY());
}
}
}
@Override
public void paint(Graphics g) {
super.paint(g);
// added by Markus Hohenwarter, BEGIN
Graphics2D g2 = (Graphics2D) g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
// added by Markus Hohenwarter, END
// Michael Borcherds 2007-10-13 BEGIN
// g2.setColor(getBackground());
if (getBackground() == Color.LIGHT_GRAY) g2.setColor(Color.LIGHT_GRAY);
else g2.setColor(Color.WHITE);
// Michael Borcherds 2007-10-13 END
g2.fillRect(0, 0, getWidth(), getHeight());
g2.setColor(Color.BLACK);
g2.drawLine(13, 27, 67, 27);
g2.drawLine(13, 27, 67, 3);
arc.setArcByCenter(13, 27, 40, 0, 24, Arc2D.OPEN);
g2.draw(arc);
switch (id) {
case GeoElement.DECORATION_ANGLE_TWO_ARCS:
arc.setArcByCenter(13, 27, 35, 0, 24, Arc2D.OPEN);
g2.draw(arc);
break;
case GeoElement.DECORATION_ANGLE_THREE_ARCS:
arc.setArcByCenter(13, 27, 35, 0, 24, Arc2D.OPEN);
g2.draw(arc);
arc.setArcByCenter(13, 27, 45, 0, 24, Arc2D.OPEN);
g2.draw(arc);
break;
case GeoElement.DECORATION_ANGLE_ONE_TICK:
drawTick(Math.toRadians(12));
g2.draw(tick);
break;
case GeoElement.DECORATION_ANGLE_TWO_TICKS:
drawTick(Math.toRadians(9.6));
g2.draw(tick);
drawTick(Math.toRadians(14.4));
g2.draw(tick);
break;
case GeoElement.DECORATION_ANGLE_THREE_TICKS:
drawTick(Math.toRadians(12));
g2.draw(tick);
drawTick(Math.toRadians(7));
g2.draw(tick);
drawTick(Math.toRadians(16));
g2.draw(tick);
break;
// Michael Borcherds 2007-11-19 BEGIN
case GeoElement.DECORATION_ANGLE_ARROW_ANTICLOCKWISE:
polygon.reset();
polygon.moveTo(56, 15);
polygon.lineTo(48, 19);
polygon.lineTo(50, 10);
polygon.lineTo(56, 15);
polygon.closePath();
g2.fill(polygon);
break;
case GeoElement.DECORATION_ANGLE_ARROW_CLOCKWISE:
polygon.reset();
polygon.moveTo(54, 27);
polygon.lineTo(48, 20);
polygon.lineTo(56, 18);
polygon.lineTo(54, 27);
polygon.closePath();
g2.fill(polygon);
break;
// Michael Borcherds 2007-11-19 END
}
}
@Override
public void paint(Graphics g) {
super.paint(g);
Graphics2D g2 = (Graphics2D) g;
GGraphics2DD.setAntialiasing(g2);
// g2.setColor(getBackground());
if (getBackground() == Color.LIGHT_GRAY) {
g2.setColor(Color.LIGHT_GRAY);
} else {
g2.setColor(Color.WHITE);
}
g2.fillRect(0, 0, getWidth(), getHeight());
g2.setColor(Color.BLACK);
g2.drawLine(13, 27, 67, 27);
g2.drawLine(13, 27, 67, 3);
arc.setArcByCenter(13, 27, 40, 0, 24, Arc2D.OPEN);
g2.draw(arc);
switch (id) {
case GeoElement.DECORATION_ANGLE_TWO_ARCS:
arc.setArcByCenter(13, 27, 35, 0, 24, Arc2D.OPEN);
g2.draw(arc);
break;
case GeoElement.DECORATION_ANGLE_THREE_ARCS:
arc.setArcByCenter(13, 27, 35, 0, 24, Arc2D.OPEN);
g2.draw(arc);
arc.setArcByCenter(13, 27, 45, 0, 24, Arc2D.OPEN);
g2.draw(arc);
break;
case GeoElement.DECORATION_ANGLE_ONE_TICK:
drawTick(Math.toRadians(12));
g2.draw(tick);
break;
case GeoElement.DECORATION_ANGLE_TWO_TICKS:
drawTick(Math.toRadians(9.6));
g2.draw(tick);
drawTick(Math.toRadians(14.4));
g2.draw(tick);
break;
case GeoElement.DECORATION_ANGLE_THREE_TICKS:
drawTick(Math.toRadians(12));
g2.draw(tick);
drawTick(Math.toRadians(7));
g2.draw(tick);
drawTick(Math.toRadians(16));
g2.draw(tick);
break;
case GeoElement.DECORATION_ANGLE_ARROW_ANTICLOCKWISE:
polygon.reset();
polygon.moveTo(56, 15);
polygon.lineTo(48, 19);
polygon.lineTo(50, 10);
polygon.lineTo(56, 15);
polygon.closePath();
g2.fill(polygon);
break;
case GeoElement.DECORATION_ANGLE_ARROW_CLOCKWISE:
polygon.reset();
polygon.moveTo(54, 27);
polygon.lineTo(48, 20);
polygon.lineTo(56, 18);
polygon.lineTo(54, 27);
polygon.closePath();
g2.fill(polygon);
break;
}
}
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();
}
}
