/**
* Render the View to the given graphic context. This implementation render the interior first,
* then the outline.
*/
public void paint(Graphics2D g, Rectangle2D a) {
if (!a.intersects(getBounds())) return;
if (image != null) { // paint bitmap
g.drawImage(image, text2ModelTr, null);
// debug:
g.setPaint(Color.red);
g.draw(this.bounds);
super.paint(g, a); // possibly paint framebox if non-null
} else { // paint textlayout
super.paint(g, a); // possibly paint framebox if non-null
AffineTransform oldAT = g.getTransform();
// paint text in black
g.setPaint(Color.black);
// from now on, we work in Y-direct (<0) coordinates to avoid inextricable problems with font
// being mirrored...
g.transform(text2ModelTr); // also include rotation
textLayout.draw(g, 0.0f, 0.0f);
// [pending] ajouter un cadre si areDimensionsComputed (wysiwyg du pauvre)
// get back to previous transform
g.setTransform(oldAT);
if (DEBUG) {
g.setPaint(Color.red);
g.draw(bounds);
}
}
}
/**
* Give notification from the model that a change occured to the text this view is responsible for
* rendering.
*
* <p>
*/
public void changedUpdate(DrawingEvent.EventType eventType) {
PicText text = (PicText) element;
if (textLayout == null) {
// new *************************** begin (by ss & bp)
textLayout =
new TextLayout(
text.getText(text.getTextMode()).length() == 0
? " "
: text.getText(text.getTextMode()),
// new *************************** end (by ss & bp)
DefaultViewFactory.textFont, // static field
new FontRenderContext(null, false, false));
}
if (eventType == DrawingEvent.EventType.TEXT_CHANGE) {
// new *************************** begin (by ss & bp)
textLayout =
new TextLayout(
text.getText(text.getTextMode()).length() == 0
? " "
: text.getText(text.getTextMode()),
// new *************************** end (by ss & bp)
DefaultViewFactory.textFont,
new FontRenderContext(null, false, false));
// first try to create a bitmap
image =
null; // aka "reset" image => we might temporarily resort to TextLayout until the image is
// ready
areDimensionsComputed = false;
// reset dimensions to the textlayout dimensions
text.setDimensions(
textLayout.getBounds().getWidth(), textLayout.getAscent(), textLayout.getDescent());
// new *************************** begin (by ss & bp)
if (wantToComputeLatexDimensions && text.getText(text.getTextMode()).length() > 0) {
// new *************************** end (by ss & bp)
// don't produce a bitmap for an empty string (LaTeX might not like it)
// [pending] this should be made dependent on a preference's option
new Thread(this).start();
}
if (image == null) super.changedUpdate(null); // ie resort to TextLayout (update all)
} else {
text.updateFrame();
super.changedUpdate(eventType);
}
}
/** 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;
}