/**
* 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 keyPressed(KeyEvent evt) {
Figure f = getOwner();
if (f.isTransformable()) {
AffineTransform tx = new AffineTransform();
switch (evt.getKeyCode()) {
case KeyEvent.VK_UP:
tx.translate(0, -1);
evt.consume();
break;
case KeyEvent.VK_DOWN:
tx.translate(0, +1);
evt.consume();
break;
case KeyEvent.VK_LEFT:
tx.translate(-1, 0);
evt.consume();
break;
case KeyEvent.VK_RIGHT:
tx.translate(+1, 0);
evt.consume();
break;
}
f.willChange();
f.transform(tx);
f.changed();
fireUndoableEditHappened(new TransformEdit(f, tx));
}
}
/**
* Paints the icon.
*
* @param c the component on which it is painted
* @param _g the graphics context
* @param x the x coordinate of the icon
* @param y the y coordinate of the icon
*/
public void paintIcon(Component c, Graphics _g, int x, int y) {
Graphics2D g = (Graphics2D) _g;
AffineTransform at = AffineTransform.getTranslateInstance(x + offsetX, y + offsetY);
// save current graphics paint and clip
Paint gPaint = g.getPaint();
Shape gClip = g.getClip();
// render shape(s)
g.setPaint(color);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g.clipRect(x, y, w, h);
// paint shape, if any
if (shape != null) {
g.fill(at.createTransformedShape(shape));
}
// paint decoration, if any
if (decoration != null) {
g.setPaint(decoColor);
g.fill(at.createTransformedShape(decoration));
}
// restore graphics paint and clip
g.setPaint(gPaint);
g.setClip(gClip);
}
public void drawScaledImage(BufferedImage im, int x, int y, int w, int h) {
float scaleX = w * 1.0f / im.getWidth();
float scaleY = h * 1.0f / im.getHeight();
AffineTransform tx = new AffineTransform();
tx.scale(scaleX, scaleY);
BufferedImageOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR);
drawImage(im, op, x, y);
}
@Override
public void trackEnd(Point anchor, Point lead, int modifiersEx) {
if (getOwner().isTransformable()) {
AffineTransform tx = new AffineTransform();
tx.translate(lead.x - anchor.x, lead.y - anchor.y);
fireUndoableEditHappened(new TransformEdit(getOwner(), tx));
}
}
/**
* Gets the mark for the specified panel.
*
* @param trackerPanel the tracker panel
* @return the mark
*/
protected Mark getMark(TrackerPanel trackerPanel) {
Mark mark = marks.get(trackerPanel);
TPoint selection = null;
if (mark == null) {
selection = trackerPanel.getSelectedPoint();
Point p = null;
valid = true; // assume true
for (int n = 0; n < points.length; n++) {
if (!valid) continue;
// determine if point is valid (ie not NaN)
valid = valid && !Double.isNaN(points[n].getX()) && !Double.isNaN(points[n].getY());
screenPoints[n] = points[n].getScreenPosition(trackerPanel);
if (valid && selection == points[n]) p = screenPoints[n];
}
mark = footprint.getMark(screenPoints);
if (p != null) { // point is selected, so draw selection shape
transform.setToTranslation(p.x, p.y);
int scale = FontSizer.getIntegerFactor();
if (scale > 1) {
transform.scale(scale, scale);
}
final Color color = footprint.getColor();
final Mark stepMark = mark;
final Shape selectedShape = transform.createTransformedShape(selectionShape);
mark =
new Mark() {
public void draw(Graphics2D g, boolean highlighted) {
stepMark.draw(g, false);
Paint gpaint = g.getPaint();
g.setPaint(color);
g.fill(selectedShape);
g.setPaint(gpaint);
}
public Rectangle getBounds(boolean highlighted) {
Rectangle bounds = selectedShape.getBounds();
bounds.add(stepMark.getBounds(false));
return bounds;
}
};
}
final Mark theMark = mark;
mark =
new Mark() {
public void draw(Graphics2D g, boolean highlighted) {
if (!valid) return;
theMark.draw(g, false);
}
public Rectangle getBounds(boolean highlighted) {
return theMark.getBounds(highlighted);
}
};
marks.put(trackerPanel, mark);
}
return mark;
}
private AffineTransform makeTransform(Object o) {
AffineTransform r = (AffineTransform) ((AffineTransform) o).clone();
// System.out.println("r:"+r);
if (origTransform != null) {
AffineTransform r2 = (AffineTransform) origTransform.clone();
// System.out.println("r2:"+r2);
r2.concatenate(r);
r = r2;
}
return r;
}
/**
* synchronize frame shape and location (TextLayout only) ; this is called by syncShape(), so that
* subclasser might override easily when only rectangular shapes are availables.
*/
protected void syncFrame() {
PicText te = (PicText) element;
if (!te.isFramed()) {
return;
}
AffineTransform tr =
new AffineTransform(); // maps Image coordinates to Model coordinates (see paint)
tr.setToIdentity(); // reset
PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
tr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
shape = tr.createTransformedShape(te.getShapeOfFrame());
}
/**
* Zoom, preserving the center point on the screen. (When we draw, the center point may be moved
* in order to maximize the amount of image seen on screen.) *
*/
void adjustZoom(double z, Point2D cp) {
if (cp == null) cp = new Point2D.Double(getWidth() / 2, getHeight() / 2);
Point2D cxt = componentToImage(cp);
double tx = cp.getX() - cxt.getX() * z;
double ty = cp.getY() - cxt.getY() * z;
t = new AffineTransform();
t.translate(tx, ty);
t.scale(z, z);
fit = false;
repaint();
}
void draw(Graphics2D g) {
// toX/toY is tip of arrow and fx/fy is a point on the line -
// fx/fy is used to determine direction & angle
AffineTransform at = AffineTransform.getTranslateInstance(toX, toY);
int b = 9;
double theta = Math.toRadians(20);
// The idea of using a GeneralPath is so we can
// create the (three lines that make up the) arrow
// (only) one time and then use AffineTransform to
// place it anywhere we want.
GeneralPath path = new GeneralPath();
// distance between line and the arrow mark <** not **
// Start a new line segment from the position of (0,0).
path.moveTo(0, 0);
// Create one of the two arrow head lines.
int x = (int) (-b * Math.cos(theta));
int y = (int) (b * Math.sin(theta));
path.lineTo(x, y);
// distance between line and the arrow mark <** not **
// Make the other arrow head line.
int x2 = (int) (-b * Math.cos(-theta));
int y2 = (int) (b * Math.sin(-theta));
// path.moveTo(0,0);
path.lineTo(x2, y2);
path.closePath();
// theta is in radians
double s, t;
s = toY - fy; // calculate slopes.
t = toX - fx;
if (t != 0) {
s = s / t;
theta = Math.atan(s);
if (t < 0) theta += Math.PI;
} else if (s < 0) theta = -(Math.PI / 2);
else theta = Math.PI / 2;
at.rotate(theta);
// at.rotate(theta,toX,toY);
Shape shape = at.createTransformedShape(path);
if (checkStatus == Status.UNCHECKED) g.setColor(Color.BLACK);
else if (checkStatus == Status.COMPATIBLE) g.setColor(FOREST_GREEN);
else g.setColor(ORANGE_RED);
g.fill(shape);
g.draw(shape);
}
@Override
public void trackStep(Point anchor, Point lead, int modifiersEx) {
Figure f = getOwner();
if (f.isTransformable()) {
Point2D.Double newPoint = view.getConstrainer().constrainPoint(view.viewToDrawing(lead));
AffineTransform tx = new AffineTransform();
tx.translate(newPoint.x - oldPoint.x, newPoint.y - oldPoint.y);
f.willChange();
f.transform(tx);
f.changed();
oldPoint = newPoint;
}
}
public void mouseDragged(MouseEvent e) {
int mods = e.getModifiersEx();
Point dragEnd = e.getPoint();
boolean shift = (mods & MouseEvent.SHIFT_DOWN_MASK) > 0;
boolean ctrl = (mods & MouseEvent.CTRL_DOWN_MASK) > 0;
boolean alt = shift & ctrl;
ctrl = ctrl & (!alt);
shift = shift & (!alt);
boolean nomods = !(shift | ctrl | alt);
if (dragBegin == null) dragBegin = dragEnd;
nodrag = false;
if ((mods & InputEvent.BUTTON3_DOWN_MASK) > 0 || true) {
double dx = dragEnd.getX() - dragBegin.getX();
double dy = dragEnd.getY() - dragBegin.getY();
synchronized (JImage.this) {
t.preConcatenate(AffineTransform.getTranslateInstance(dx, dy));
}
dragBegin = dragEnd;
repaint();
}
}
/**
* This implementation calls <code>super.hitTest</code> and returns the result if non-null (this
* should be a HitInfo.Point), then returns a HitInfo.Interior if the mouse-click occured inside
* the text bound (as defined by text layout)
*
* @return a HitInfo corresponding to the given mouse-event
*/
public HitInfo hitTest(PEMouseEvent e) {
// from Bitmap:
if (image != null) {
if (getBounds().contains(e.getPicPoint())) {
return new HitInfo.Interior((PicText) element, e);
}
return null;
}
// from TextLayout:
if (!getBounds().contains(e.getPicPoint())) return null;
PicText te = (PicText) element;
// recompute textlayout b-box, but store it in a temporary field !
Rectangle2D tb = textLayout.getBounds();
Shape text_bounds = text2ModelTr.createTransformedShape(tb);
if (text_bounds.contains(e.getPicPoint())) {
// [SR:pending] for the hitInfo to be reliable, getPicPoint() should first be transformed by
// inverse text2ModelTr ! (especially when rotationAngle != 0)
TextHitInfo thi =
textLayout.hitTestChar(
(float) (e.getPicPoint().x - strx),
(float) (e.getPicPoint().y - stry)); // guaranteed to return a non-null thi
return new HitInfo.Text((PicText) element, thi, e);
}
// test hit on textlayout's bounding rectangle :
// else if (bounds.contains(e.getPicPoint())) return new HitInfo.Interior(element,e);
return null;
}
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));
}
protected void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2d = (Graphics2D)g;
AffineTransform origXform = g2d.getTransform();
AffineTransform newXform = (AffineTransform)(origXform.clone());
//center of rotation is center of the panel
int xRot = this.getWidth()/2;
int yRot = this.getHeight()/2;
newXform.rotate(Math.toRadians(currentAngle), xRot, yRot);
g2d.setTransform(newXform);
//draw image centered in panel
int x = (getWidth() - image.getWidth(this))/2;
int y = (getHeight() - image.getHeight(this))/2;
g2d.drawImage(image, x, y, this);
g2d.setTransform(origXform);
}
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D) g;
AffineTransform trans = new AffineTransform();
int width = getSize().width;
int height = getSize().height;
g2d.setColor(Color.BLACK);
g2d.fillRect(0, 0, width, height);
trans.setTransform(identity);
trans.scale(scale, scale);
g2d.drawImage(image, trans, this);
}
public void addGlyph(GlyphData gv, float x, float y) {
AffineTransform at = AffineTransform.getTranslateInstance(x, y);
PathIterator pi = gv.gp.getPathIterator(at);
float[] coords = new float[6];
while (!pi.isDone()) {
int type = pi.currentSegment(coords);
switch (type) {
case PathIterator.SEG_MOVETO:
moveTo(coords[0], coords[1]);
break;
case PathIterator.SEG_LINETO:
lineTo(coords[0], coords[1]);
break;
case PathIterator.SEG_CUBICTO:
curveTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]);
break;
case PathIterator.SEG_CLOSE:
closePath();
break;
default:
System.out.println("Unknown path type: " + type);
break;
}
pi.next();
}
}
/**
* Code to paint the specific shape
*
* @param w2v 2D affine transform
* @param g graphics context
*/
public void paintShape(Graphics2D g, AffineTransform w2v) {
double x = startPoint.getX();
double y = startPoint.getY();
double xEnd = endPoint.getX();
double yEnd = endPoint.getY();
g.setStroke(new BasicStroke(this.getThickness(), BasicStroke.CAP_ROUND, BasicStroke.CAP_ROUND));
Point2D v0 = w2v.transform(new Point2D.Double(x, y), null);
int ix = (int) v0.getX();
int iy = (int) v0.getY();
Point2D v1 = w2v.transform(new Point2D.Double(xEnd, yEnd), null);
g.drawLine(ix, iy, (int) v1.getX(), (int) v1.getY());
}
/**
* Method to create a new picture by scaling the current picture by the given x and y factors
*
* @param xFactor the amount to scale in x
* @param yFactor the amount to scale in y
* @return the resulting picture
*/
public Picture scale(double xFactor, double yFactor) {
// set up the scale transform
AffineTransform scaleTransform = new AffineTransform();
scaleTransform.scale(xFactor, yFactor);
// create a new picture object that is the right size
Picture result = new Picture((int) (getWidth() * xFactor), (int) (getHeight() * yFactor));
// get the graphics 2d object to draw on the result
Graphics graphics = result.getGraphics();
Graphics2D g2 = (Graphics2D) graphics;
// draw the current image onto the result image scaled
g2.drawImage(this.getImage(), scaleTransform, null);
return result;
}
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);
}
public void vec2FieldMagnitude(Field field, AffineTransform ftoi) {
AffineTransform itof = null;
try {
itof = ftoi.createInverse();
} catch (NoninvertibleTransformException niv) {
TDebug.println(0, "NoninvertibleTransformException: " + niv);
}
Vector3d v = new Vector3d();
Point2D.Double p = new Point2D.Double();
for (int j = 0, k = 0; j < height; ++j)
for (int i = 0; i < width; ++i, ++k) {
p.x = i;
p.y = j;
itof.transform(p, p);
v = field.get(p.x, p.y, 0.0);
f[k] = (float) Math.sqrt(v.x * v.x + v.y * v.y);
}
}
public void vec2FieldZero(Field field, AffineTransform ftoi) {
AffineTransform itof = null;
try {
itof = ftoi.createInverse();
} catch (NoninvertibleTransformException niv) {
TDebug.println(0, "NoninvertibleTransformException: " + niv);
}
Vector3d v = new Vector3d();
Point2D.Double p = new Point2D.Double();
for (int j = 0, k = 0; j < height; ++j)
for (int i = 0; i < width; ++i, ++k) {
p.x = i;
p.y = j;
itof.transform(p, p);
v = field.get(p.x, p.y, 0.0);
if ((v.x == 0.0) && (v.y == 0.0)) f[k] = 1.0f;
else f[k] = 0.0f;
}
}
public void validateCompositeState(
Composite comp, AffineTransform xform, Paint paint, SunGraphics2D sg2d) {
boolean updatePaint = (paint != validatedPaint) || paint == null;
// validate composite
if ((comp != validatedComp)) {
if (comp != null) {
setComposite(comp);
} else {
comp = AlphaComposite.getInstance(AlphaComposite.SRC_OVER);
setComposite(comp);
}
// the paint state is dependent on the composite state, so make
// sure we update the color below
updatePaint = true;
validatedComp = comp;
}
if (sg2d != null && validatedPixel != sg2d.pixel) {
validatedPixel = sg2d.pixel;
setForeground(validatedPixel);
}
// validate paint
if (updatePaint) {
if (paint != null && sg2d != null && sg2d.paintState >= SunGraphics2D.PAINT_GRADIENT) {
XRPaints.setPaint(sg2d, paint);
} else {
XRResetPaint();
}
validatedPaint = paint;
}
if (src != solidSrcPict) {
AffineTransform at = (AffineTransform) xform.clone();
try {
at.invert();
} catch (NoninvertibleTransformException e) {
at.setToIdentity();
}
src.validateAsSource(at, -1, -1);
}
}
/** Synchronizes bounding box with the model ; */
protected void syncBounds() {
PicText te = (PicText) element;
// [pending] Il faut tenir compte de la rotation !
Rectangle2D latexBB =
null; // BB relative to latex dimensions (including rotation) (without frame)
Rectangle2D textLayoutBB =
null; // BB relative to textLayout dimensions (including rotation) (without frame)
Rectangle2D textBB = null; // BB of the text (including rotation), without frame
if (areDimensionsComputed) { // compute latexBB
Rectangle2D nonRotated =
new Rectangle2D.Double(
te.getLeftX(), te.getBottomY(), te.getWidth(), te.getHeight() + te.getDepth());
AffineTransform tr =
new AffineTransform(); // maps Image coordinates to Model coordinates (see paint)
tr.setToIdentity(); // reset
PicPoint anchor = te.getCtrlPt(TextEditable.P_ANCHOR, ptBuf);
tr.rotate(getRotation(), anchor.x, anchor.y); // rotate along P_ANCHOR !
latexBB = tr.createTransformedShape(nonRotated).getBounds2D();
}
if (image == null) { // compute textLayoutBB
Rectangle2D nonRotated = textLayout.getBounds();
textLayoutBB = text2ModelTr.createTransformedShape(nonRotated).getBounds2D();
}
// use textLayoutBB or latexBB or their union
if (image != null) textBB = latexBB;
else {
if (!areDimensionsComputed) textBB = textLayoutBB;
else {
textBB = latexBB.createUnion(textLayoutBB);
}
}
// union with frame BB
if (te.isFramed()) {
super.syncBounds(); // update bounds of the frame if necessary
Rectangle2D.union(super.bounds, textBB, this.bounds);
} else this.bounds = textBB;
}
public Point2D componentToImage(Point2D p) {
Point2D tp = null;
try {
tp = t.inverseTransform(p, null);
} catch (NoninvertibleTransformException ex) {
// can't happen.
}
return tp;
}
/**
* WhiteboardShapeLine constructor
*
* @param id String that uniquely identifies this WhiteboardObject.
* @param t number of pixels that this object (or its border)
* @param c WhiteboardShapeLine's color (or rather it's border)
* @param startPoint the start coordinates of this line.
* @param endPoint the end coordinates of this line.
* @param v2w 2D affine transform
*/
public WhiteboardShapeLine(
String id,
int t,
Color c,
WhiteboardPoint startPoint,
WhiteboardPoint endPoint,
AffineTransform v2w) {
super(id);
this.setThickness(t);
setColor(c);
Point2D v0 = new Point2D.Double(startPoint.getX(), startPoint.getY());
Point2D w0 = v2w.transform(v0, null);
this.startPoint = new WhiteboardPoint(w0.getX(), w0.getY());
Point2D v1 = new Point2D.Double(endPoint.getX(), endPoint.getY());
Point2D w1 = v2w.transform(v1, null);
this.endPoint = new WhiteboardPoint(w1.getX(), w1.getY());
}
/**
* 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();
}
/**
* Method to get the coordinates of the enclosing rectangle after this transformation is applied
* to the current picture
*
* @return the enclosing rectangle
*/
public Rectangle2D getTransformEnclosingRect(AffineTransform trans) {
int width = getWidth();
int height = getHeight();
double maxX = width - 1;
double maxY = height - 1;
double minX, minY;
Point2D.Double p1 = new Point2D.Double(0, 0);
Point2D.Double p2 = new Point2D.Double(maxX, 0);
Point2D.Double p3 = new Point2D.Double(maxX, maxY);
Point2D.Double p4 = new Point2D.Double(0, maxY);
Point2D.Double result = new Point2D.Double(0, 0);
Rectangle2D.Double rect = null;
// get the new points and min x and y and max x and y
trans.deltaTransform(p1, result);
minX = result.getX();
maxX = result.getX();
minY = result.getY();
maxY = result.getY();
trans.deltaTransform(p2, result);
minX = Math.min(minX, result.getX());
maxX = Math.max(maxX, result.getX());
minY = Math.min(minY, result.getY());
maxY = Math.max(maxY, result.getY());
trans.deltaTransform(p3, result);
minX = Math.min(minX, result.getX());
maxX = Math.max(maxX, result.getX());
minY = Math.min(minY, result.getY());
maxY = Math.max(maxY, result.getY());
trans.deltaTransform(p4, result);
minX = Math.min(minX, result.getX());
maxX = Math.max(maxX, result.getX());
minY = Math.min(minY, result.getY());
maxY = Math.max(maxY, result.getY());
// create the bounding rectangle to return
rect = new Rectangle2D.Double(minX, minY, maxX - minX + 1, maxY - minY + 1);
return rect;
}
public void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
if (image != null && showimage) {
// TODO: add ability to scale maintaining aspect ratio fitting to size of parent
// TODO: Need to add not zoom all the way, but zoom to a box of aspect ratio 4/3
Graphics2D g2 = (Graphics2D) g;
AffineTransform tran = new AffineTransform(1f, 0f, 0f, 1f, 0, 0);
float widthscale = (float) c.getWidth() / image.getWidth();
float heightscale = (float) c.getHeight() / image.getHeight();
switch (drawmode) {
case DRAW_MODE_ASPECT:
float scale;
if (widthscale < heightscale) {
scale = widthscale;
} else {
scale = heightscale;
}
tran.scale(scale, scale);
g2.drawImage(
image,
new AffineTransformOp(tran, AffineTransformOp.TYPE_BILINEAR),
(int) (c.getWidth() - image.getWidth() * scale) / 2,
(int) (c.getHeight() - image.getHeight() * scale) / 2);
break;
case DRAW_MODE_WIDTH:
tran.scale(widthscale, widthscale);
g2.drawImage(image, tran, null);
break;
case DRAW_MODE_HEIGHT:
tran.scale(heightscale, heightscale);
g2.drawImage(image, tran, null);
break;
default:
tran.scale(widthscale, heightscale);
g2.drawImage(image, tran, null);
break;
}
}
}
