@Override
public final Collection<Handle> createSecondaryHandles() {
LinkedList<Handle> list = new LinkedList<Handle>();
if (((ConnectionFigure) getOwner()).getLiner() == null && savedLiner == null) {
int index = getBezierNodeIndex();
BezierFigure f = getBezierFigure();
BezierPath.Node v = f.getNode(index);
if ((v.mask & BezierPath.C1_MASK) != 0 && (index != 0 || f.isClosed())) {
list.add(new BezierControlPointHandle(f, index, 1));
}
if ((v.mask & BezierPath.C2_MASK) != 0 && (index < f.getNodeCount() - 1 || f.isClosed())) {
list.add(new BezierControlPointHandle(f, index, 2));
}
if (index > 0 || f.isClosed()) {
int i = (index == 0) ? f.getNodeCount() - 1 : index - 1;
v = f.getNode(i);
if ((v.mask & BezierPath.C2_MASK) != 0) {
list.add(new BezierControlPointHandle(f, i, 2));
}
}
if (index < f.getNodeCount() - 2 || f.isClosed()) {
int i = (index == f.getNodeCount() - 1) ? 0 : index + 1;
v = f.getNode(i);
if ((v.mask & BezierPath.C1_MASK) != 0) {
list.add(new BezierControlPointHandle(f, i, 1));
}
}
}
return list;
}
public void printLoop(int n, float x[], float y[]) {
// Need to swap the y component
Polygon P = new Polygon();
for (int i = 0; i < n; i++) P.addPoint(Math.round(x[i]), Math.round(height - y[i]));
poly_draw.add(P);
poly_draw_color.add(curColor);
}
void createBend(int bendx, int bendy) {
Bend bn = null;
int index = 0;
if (bends == null) {
if (driver.nearpln(bendx, bendy, fromX, fromY, toX, toY)) {
bends = new LinkedList<Bend>();
bn = new Bend(bendx, bendy);
if (fromX == toX) // if line vertical
bn.x = fromX;
if (fromY == toY) // if line horizontal
bn.y = fromY;
bends.add(bn);
bn.marked = true;
driver.bendForDragging = bn;
return;
}
} else {
int x = fromX;
int y = fromY;
Object[] oa = bends.toArray();
for (Object o : oa) {
Bend b = (Bend) o;
if (sameBend(bendx, bendy, b)) {
bn = b;
bn.marked = true;
driver.bendForDragging = bn;
return;
}
if (driver.nearpln(bendx, bendy, x, y, b.x, b.y)) {
bn = new Bend(bendx, bendy);
if (x == b.x) // if line vertical
bn.x = x;
if (y == b.y) // if line horizontal
bn.y = y;
bends.add(index, bn);
bn.marked = true;
driver.bendForDragging = bn;
return;
}
x = b.x;
y = b.y;
index++;
}
if (driver.nearpln(bendx, bendy, x, y, toX, toY)) {
bn = new Bend(bendx, bendy);
if (x == toX) // if line vertical
bn.x = x;
if (y == toY) // if line horizontal
bn.y = y;
bends.add(bn);
bn.marked = true;
driver.bendForDragging = bn;
}
}
}
public java.util.List<Figure> findFigures(Rectangle2D.Double r) {
LinkedList<Figure> c = new LinkedList<Figure>(quadTree.findIntersects(r));
switch (c.size()) {
case 0:
// fall through
case 1:
return c;
default:
return sort(c);
}
}
public java.util.List<Figure> findFiguresWithin(Rectangle2D.Double bounds) {
LinkedList<Figure> contained = new LinkedList<Figure>();
for (Figure f : children) {
Rectangle2D r = f.getBounds();
if (AttributeKeys.TRANSFORM.get(f) != null) {
r = AttributeKeys.TRANSFORM.get(f).createTransformedShape(r).getBounds2D();
}
if (f.isVisible() && bounds.contains(r)) {
contained.add(f);
}
}
return contained;
}
public Collection<Handle> createHandles(SVGPathFigure pathFigure, int detailLevel) {
LinkedList<Handle> handles = new LinkedList<Handle>();
switch (detailLevel % 2) {
case 0:
for (int i = 0, n = path.size(); i < n; i++) {
handles.add(new BezierNodeHandle(this, i, pathFigure));
}
break;
case 1:
TransformHandleKit.addTransformHandles(this, handles);
break;
default:
break;
}
return handles;
}
// createericlist with a String signature is used to process a String
// containing a sequence of GAIGS structures
// createericlist creates the list of graphics primitives for these snapshot(s).
// After creating these lists, that are then appended to l, the list of snapshots,
// Also must return the number of snapshots loaded from the string
public /*synchronized*/ int createericlist(String structString) {
int numsnaps = 0;
if (debug) System.out.println("In create eric " + structString);
StringTokenizer st = new StringTokenizer(structString, "\r\n");
while (st.hasMoreTokens()) {
numsnaps++; // ??
String tempString;
LinkedList tempList = new LinkedList();
StructureType strct;
tempString = st.nextToken();
try {
boolean headers = true;
while (headers) {
headers = false;
if (tempString.toUpperCase().startsWith("VIEW")) {
tempString = HandleViewParams(tempString, tempList, st);
headers = true;
}
if (tempString.toUpperCase().startsWith("FIBQUESTION ")
|| tempString.toUpperCase().startsWith("MCQUESTION ")
|| tempString.toUpperCase().startsWith("MSQUESTION ")
|| tempString.toUpperCase().startsWith("TFQUESTION ")) {
tempString = add_a_question(tempString, st);
headers = true;
}
}
if (tempString.toUpperCase().equals("STARTQUESTIONS")) {
numsnaps--; // questions don't count as snapshots
readQuestions(st);
break;
}
// After returning from HandleViewParams, tempString should now contain
// the line with the structure type and possible additional text height info
StringTokenizer structLine = new StringTokenizer(tempString, " \t");
String structType = structLine.nextToken();
if (debug) System.out.println("About to assign structure" + structType);
strct = assignStructureType(structType);
strct.loadTextHeights(structLine, tempList, this);
strct.loadLinesPerNodeInfo(st, tempList, this);
strct.loadTitle(st, tempList, this);
strct.loadStructure(st, tempList, this);
strct.calcDimsAndStartPts(tempList, this);
strct.drawTitle(tempList, this);
strct.drawStructure(tempList, this);
} catch (VisualizerLoadException e) {
System.out.println(e.toString());
}
// // You've just created a snapshot. Need to insure that "**" is appended
// // to the URLList for this snapshot IF no VIEW ALGO line was parsed in the
// // string for the snapshot. This could probably best be done in the
// // HandleViewParams method
list_of_snapshots.append(tempList);
Snaps++;
}
return (numsnaps);
} // createericlist(string)
@Override
public Collection<Action> getActions(Point2D.Double p) {
LinkedList<Action> actions = new LinkedList<Action>();
if (get(TRANSFORM) != null) {
ResourceBundleUtil labels = ResourceBundleUtil.getBundle("org.jhotdraw.samples.odg.Labels");
actions.add(
new AbstractAction(labels.getString("edit.removeTransform.text")) {
private static final long serialVersionUID = 1L;
public void actionPerformed(ActionEvent evt) {
willChange();
fireUndoableEditHappened(TRANSFORM.setUndoable(ODGAttributedFigure.this, null));
changed();
}
});
}
return actions;
}
@Override
public Collection<Handle> createHandles(int detailLevel) {
LinkedList<Handle> handles = new LinkedList<Handle>();
switch (detailLevel % 2) {
case -1: // Mouse hover handles
handles.add(new BezierOutlineHandle(this, true));
break;
case 0:
handles.add(new BezierOutlineHandle(this));
for (int i = 0, n = path.size(); i < n; i++) {
handles.add(new BezierNodeHandle(this, i));
}
break;
case 1:
TransformHandleKit.addTransformHandles(this, handles);
handles.add(new BezierScaleHandle(this));
break;
}
return handles;
}
private Drawing createDrawing() {
DefaultDrawing drawing = new DefaultDrawing();
LinkedList<InputFormat> inputFormats = new LinkedList<InputFormat>();
inputFormats.add(new SVGInputFormat());
inputFormats.add(new SVGZInputFormat());
inputFormats.add(new ImageInputFormat(new SVGImageFigure()));
inputFormats.add(new TextInputFormat(new SVGTextFigure()));
LinkedList<OutputFormat> outputFormats = new LinkedList<OutputFormat>();
outputFormats.add(new SVGOutputFormat());
outputFormats.add(new ImageOutputFormat());
drawing.setInputFormats(inputFormats);
drawing.setOutputFormats(outputFormats);
return drawing;
}
public void paint(Graphics g) {
// do normal painting first
super.paint(g);
// draw polys
ListIterator<Polygon> II = poly_draw.listIterator(0);
ListIterator<Color> CC = poly_draw_color.listIterator(0);
while (II.hasNext()) {
Polygon P = II.next();
Color C = CC.next();
g.setColor(C);
g.drawPolygon(P);
}
// fill polys
II = poly_fill.listIterator(0);
CC = poly_fill_color.listIterator(0);
while (II.hasNext()) {
Polygon P = II.next();
Color C = CC.next();
g.setColor(C);
g.fillPolygon(P);
}
}
public int createericlist(Element snap) {
int numsnaps = 0;
StructureCollection structs = new StructureCollection();
LinkedList tempList = new LinkedList();
try {
load_snap_from_xml(snap, structs, tempList);
structs.calcDimsAndStartPts(tempList, this);
structs.drawTitle(tempList, this);
structs.drawStructure(tempList, this);
} catch (VisualizerLoadException e) {
System.out.println(e.toString());
}
list_of_snapshots.append(tempList);
Snaps++;
return numsnaps; // this.. isnt used, and isnt what it says it is.
} // createericlist(element)
public Collection<Handle> createHandles(int detailLevel) {
LinkedList<Handle> handles = new LinkedList<Handle>();
switch (detailLevel % 2) {
case -1: // Mouse hover handles
handles.add(new BoundsOutlineHandle(this, false, true));
break;
case 0:
handles.add(new BoundsOutlineHandle(this));
handles.add(new MoveHandle(this, RelativeLocator.northWest()));
handles.add(new MoveHandle(this, RelativeLocator.northEast()));
handles.add(new MoveHandle(this, RelativeLocator.southWest()));
handles.add(new MoveHandle(this, RelativeLocator.southEast()));
handles.add(new FontSizeHandle(this));
handles.add(new LinkHandle(this));
break;
case 1:
TransformHandleKit.addTransformHandles(this, handles);
break;
}
return handles;
}
@Override
public Collection<Handle> createHandles(int detailLevel) {
LinkedList<Handle> handles = new LinkedList<Handle>();
switch (detailLevel) {
case -1:
handles.add(new BoundsOutlineHandle(this, false, true));
break;
case 0:
handles.add(new BoundsOutlineHandle(this));
handles.add(new MoveHandle(this, RelativeLocator.northWest()));
handles.add(new MoveHandle(this, RelativeLocator.northEast()));
handles.add(new MoveHandle(this, RelativeLocator.southWest()));
handles.add(new MoveHandle(this, RelativeLocator.southEast()));
handles.add(new FontSizeHandle(this));
break;
}
return handles;
}
public void actionPerformed(ActionEvent e) {
String s = e.getActionCommand();
diag.jpm = null;
if (s.equals("Edit Upstream Port Name")) {
String ans =
(String)
MyOptionPane.showInputDialog(
driver.frame,
"Enter or change text",
"Edit upstream port name",
JOptionPane.PLAIN_MESSAGE,
null,
null,
upStreamPort);
if (ans != null /* && ans.length() > 0 */) {
Block b = diag.blocks.get(new Integer(fromId));
// upStreamPort = ans;
diag.changed = true;
boolean found = false;
for (Arrow a : diag.arrows.values()) {
if (a.fromId == fromId
&& a.upStreamPort != null
&& a.upStreamPort.equals(ans)
&& !(upStreamPort.equals(ans))
|| a.toId == fromId && a.downStreamPort != null && a.downStreamPort.equals(ans))
found = true;
}
if (found) {
MyOptionPane.showMessageDialog(driver.frame, "Duplicate port name: " + ans);
// upStreamPort = "";
// return;
}
upStreamPort = ans;
if (b.type.equals(Block.Types.EXTPORT_IN_BLOCK) || b instanceof IIPBlock) {
MyOptionPane.showMessageDialog(driver.frame, "Upstream port must be blank");
upStreamPort = "";
}
}
driver.frame.repaint();
} else if (s.equals("Edit Downstream Port Name") && endsAtBlock) {
String ans =
(String)
MyOptionPane.showInputDialog(
driver.frame,
"Enter or change text",
"Edit downstream port name",
JOptionPane.PLAIN_MESSAGE,
null,
null,
downStreamPort);
if (ans != null /* && ans.length() > 0 */) {
Block b = diag.blocks.get(new Integer(toId));
diag.changed = true;
boolean found = false;
for (Arrow a : diag.arrows.values()) {
if (a.fromId == toId && a.upStreamPort != null && a.upStreamPort.equals(ans)
|| a.toId == toId
&& a.downStreamPort != null
&& a.downStreamPort.equals(ans)
&& !(downStreamPort.equals(ans))) found = true;
}
if (found) {
MyOptionPane.showMessageDialog(driver.frame, "Duplicate port name: " + ans);
// downStreamPort = "";
// return;
}
downStreamPort = ans;
if (b.type.equals(Block.Types.EXTPORT_OUT_BLOCK)) {
MyOptionPane.showMessageDialog(driver.frame, "Downstream port must be blank");
downStreamPort = "";
}
}
driver.frame.repaint();
} else if (s.equals("Set Capacity")) {
String capString = null;
if (capacity == 0) capString = "";
else capString = Integer.toString(capacity);
String ans =
(String)
MyOptionPane.showInputDialog(
driver.frame,
"Enter or change text",
"Set Capacity",
JOptionPane.PLAIN_MESSAGE,
null,
null,
capString);
if ((ans != null) && (ans.length() > 0)) {
capacity = Integer.parseInt(ans);
if (capLegend == null) {
diag.xa = 2; // get around fudge in DrawFBP
diag.ya = 2; // get around fudge in DrawFBP
capLegend = (LegendBlock) diag.driver.createBlock(Block.Types.LEGEND_BLOCK, false);
int x = toX;
int y = toY;
if (bends != null) {
Bend bd = bends.peek();
x = bd.x;
y = bd.y;
}
capLegend.cx = (fromX + x) / 2;
capLegend.cy = (fromY + y) / 2 + 20;
if (fromX == x) capLegend.cx -= 20;
}
capLegend.description = "(" + capacity + ")";
}
driver.frame.repaint();
diag.changed = true;
} else if (s.equals("Remove Capacity")) {
capacity = 0;
diag.delBlock(capLegend, false);
capLegend = null;
driver.frame.repaint();
diag.changed = true;
} else if (s.equals("Toggle Upstream Port Automatic / Normal")) {
if (upStreamPort == null || !upStreamPort.equals("*")) upStreamPort = "*";
else upStreamPort = null;
driver.frame.repaint();
diag.changed = true;
} else if (s.equals("Toggle Downstream Port Automatic / Normal")) {
if (downStreamPort == null || !downStreamPort.equals("*")) downStreamPort = "*";
else downStreamPort = null;
driver.frame.repaint();
diag.changed = true;
} else if (s.equals("Toggle DropOldest")) {
dropOldest = !dropOldest;
} else if (s.equals("Drag Tail")) {
tailMarked = true;
driver.arrowEndForDragging = this;
} else if (s.equals("Drag Head")) {
headMarked = true;
driver.arrowEndForDragging = this;
} else if (s.equals("Drag New or Existing Bend")) {
createBend(driver.curx, driver.cury);
} else if (s.equals("Add Extra Arrowhead")) {
Point p = new Point(driver.curx, driver.cury);
int fx = fromX;
int fy = fromY;
int tx, ty;
if (bends != null) {
for (Bend bend : bends) {
tx = bend.x;
ty = bend.y;
if (pointInLine(p, fx, fy, tx, ty)) {
extraArrowhead = new Arrowhead(fx, fy, driver.curx, driver.cury);
return;
}
fx = tx;
fy = ty;
}
}
tx = toX;
ty = toY;
if (pointInLine(p, fx, fy, tx, ty))
extraArrowhead = new Arrowhead(fx, fy, driver.curx, driver.cury);
return;
} else if (s.equals("Remove Extra Arrowhead")) {
extraArrowhead = null;
return;
} else if (s.equals("Delete")) {
if (JOptionPane.YES_OPTION
== MyOptionPane.showConfirmDialog(
driver.frame,
"Do you want to delete this arrow?",
"Delete arrow",
JOptionPane.YES_NO_OPTION)) {
diag.delArrow(this);
diag.changed = true;
diag.currentArrow = null;
}
driver.frame.repaint();
diag.foundArrow = null;
}
// if (s.equals("Exit")) {
// diag.foundArrow = null;
// driver.frame.repaint();
// }
}
public void printPoly(int n, float x[], float y[]) {
Polygon P = new Polygon();
for (int i = 0; i < n; i++) P.addPoint(Math.round(x[i]), Math.round(height - y[i]));
poly_fill.add(P);
poly_fill_color.add(curColor);
}
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;
}
// Although it presently returns a boolean, that was only needed
// during my aborted attempted at animated graphics primitives.
// Until those become a reality the boolean value returned by this
// routine is unnecessary
public /*synchronized*/ boolean execute(int sAt) {
// The commented-out variables below are remnants from legacy
// code -- they appear to be no longer needed.
// String urlTemp="";
// int z=0;
// int idx;
// int urlid;
// boolean showURL=false;
animation_done =
true; // May be re-set in paintComponent via indirect paintImmediately call at end
// Was used in abored attempted to
// introduce animated primitives. Now
// it's probably excess baggage that
// remains because I still have hopes
// of eventually having animated
// primitives
SnapAt = sAt;
if (getSize().width != 0 && getSize().height != 0) {
my_width = getSize().width; // set dimensions
my_height = getSize().height;
} else {
my_width = GaigsAV.preferred_width; // set dimensions
my_height = GaigsAV.preferred_height;
}
BufferedImage buff = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = (Graphics2D) buff.getGraphics(); // need a separate object each time?
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.WHITE);
g2.fillRect(0, 0, my_width, my_height);
// Set horizoff and vertoff to properly center the visualization in the
// viewing window. This is not quite perfect because visualizations
// that are not properly centered within their [0,1] localized
// coordinates will not be perfectly centered, but it is much better
// than it was previously.
// if(no_mouse_drag){
// if(first_paint_call){
// // horizoff = (my_width - (int)(0.25 * my_width) -
// // GaigsAV.preferred_width) / 2;
// horizoff = (my_width - GaigsAV.preferred_width) / 2;
// first_paint_call = false;
// }else{
// horizoff = (my_width - GaigsAV.preferred_width) / 2;
// no_mouse_drag = false;
// }
// }
if (no_mouse_drag) {
horizoff = (my_width - GaigsAV.preferred_width) / 2;
vertoff = (my_height - GaigsAV.preferred_height) / 2;
}
int x;
list_of_snapshots.reset();
x = 0;
LinkedList lt = new LinkedList();
while (x < SnapAt && list_of_snapshots.hasMoreElements()) {
lt = (LinkedList) list_of_snapshots.nextElement();
x++;
}
lt.reset();
animation_done = true;
// System.out.println("before loop " + horizoff);
while (lt.hasMoreElements()) {
obj tempObj = (obj) lt.nextElement();
animation_done =
animation_done && (tempObj.execute(g2 /*offscreen*/, zoom, vertoff, horizoff));
// System.out.println("in loop");
}
Shape mask = createMask(buff.getWidth(), buff.getHeight());
g2.setColor(Color.BLACK);
g2.fill(mask);
my_image = buff;
repaint();
return animation_done;
}
// Although it presently returns a boolean, that was only needed
// during my aborted attempted at animated graphics primitives.
// Until those become a reality the boolean value returned by this
// routine is unnecessary
public boolean animate(int sAt, boolean forward) {
int x;
LinkedList lt = null;
animation_done =
true; // May be re-set in paintComponent via indirect paintImmediately call at end
// Was used in aborted attempted to
// introduce animated primitives. Now
// it's probably excess baggage that
// remains because I still have hopes
// of eventually having animated
// primitives
if (getSize().width != 0 && getSize().height != 0) {
my_width = getSize().width; // set dimensions
my_height = getSize().height;
} else {
my_width = GaigsAV.preferred_width; // set dimensions
my_height = GaigsAV.preferred_height;
}
// First capture the new image in a buffer called image2
SnapAt = sAt;
BufferedImage image2 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = (Graphics2D) image2.getGraphics(); // need a separate object each time?
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.WHITE);
g2.fillRect(0, 0, my_width, my_height);
// Set horizoff and vertoff to properly center the visualization in the
// viewing window. This is not quite perfect because visualizations
// that are not properly centered within their [0,1] localized
// coordinates will not be perfectly centered, but it is much better
// than it was previously.
if (no_mouse_drag) {
horizoff = (my_width - GaigsAV.preferred_width) / 2;
vertoff = (my_height - GaigsAV.preferred_height) / 2;
}
list_of_snapshots.reset();
x = 0;
lt = new LinkedList();
while (x < SnapAt && list_of_snapshots.hasMoreElements()) {
lt = (LinkedList) list_of_snapshots.nextElement();
x++;
}
lt.reset();
animation_done = true;
// System.out.println("before loop " + horizoff);
while (lt.hasMoreElements()) {
obj tempObj = (obj) lt.nextElement();
animation_done =
animation_done && (tempObj.execute(g2 /*offscreen*/, zoom, vertoff, horizoff));
// System.out.println("in loop");
}
// Next capture the image we are coming from in a buffer called image1
SnapAt = (forward ? sAt - 1 : sAt + 1);
BufferedImage image1 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB);
Graphics2D g1 = (Graphics2D) image1.getGraphics(); // need a separate object each time?
g1.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g1.setColor(Color.WHITE);
g1.fillRect(0, 0, my_width, my_height);
// Set horizoff and vertoff to properly center the visualization in the
// viewing window. This is not quite perfect because visualizations
// that are not properly centered within their [0,1] localized
// coordinates will not be perfectly centered, but it is much better
// than it was previously.
if (no_mouse_drag) {
horizoff = (my_width - GaigsAV.preferred_width) / 2;
vertoff = (my_height - GaigsAV.preferred_height) / 2;
}
list_of_snapshots.reset();
x = 0;
lt = new LinkedList();
while (x < SnapAt && list_of_snapshots.hasMoreElements()) {
lt = (LinkedList) list_of_snapshots.nextElement();
x++;
}
lt.reset();
animation_done = true;
// System.out.println("before loop " + horizoff);
while (lt.hasMoreElements()) {
obj tempObj = (obj) lt.nextElement();
animation_done =
animation_done && (tempObj.execute(g1 /*offscreen*/, zoom, vertoff, horizoff));
// System.out.println("in loop");
}
// Now slide from image1 to image2
// From the gaff Visualizer by Chris Gaffney
// double step = 4; // Adjust this for more/less granularity between images
double step = 40; // Adjust this for more/less granularity between images
Image buffer = getGraphicsConfiguration().createCompatibleVolatileImage(my_width, my_height);
Graphics2D g2d = (Graphics2D) buffer.getGraphics();
AffineTransform trans = AffineTransform.getTranslateInstance(step * (forward ? -1 : 1), 0);
// AffineTransform orig = g2d.getTransform();
Shape mask = createMask(my_width, my_height);
for (double i = 0; i < my_width; i += step) {
if (i + step > my_width) // last time through loop, so adjust transform
trans =
AffineTransform.getTranslateInstance(((double) (my_width - i)) * (forward ? -1 : 1), 0);
g2d.transform(trans);
g2d.drawImage(image1, 0, 0, this);
g2d.setColor(Color.BLACK);
g2d.fill(mask);
AffineTransform last = g2d.getTransform();
g2d.transform(AffineTransform.getTranslateInstance(my_width * (-1 * (forward ? -1 : 1)), 0));
g2d.drawImage(image2, 0, 0, this);
g2d.setColor(Color.BLACK);
g2d.fill(mask);
g2d.setTransform(last);
this.my_image = buffer;
repaint();
try {
Thread.sleep(10);
} catch (InterruptedException e) {
}
}
Image b = getGraphicsConfiguration().createCompatibleImage(my_width, my_height);
b.getGraphics().drawImage(buffer, 0, 0, null);
this.my_image = b;
return animation_done;
}