| 425 |
425 |
|
| 426 |
426 |
const QgsMapToPixel* transform = mMapCanvas->getCoordinateTransform();
|
| 427 |
427 |
QgsPoint ll = transform->toMapCoordinates( rect.left(), rect.bottom() );
|
|
428 |
QgsPoint lr = transform->toMapCoordinates( rect.right(), rect.bottom() );
|
|
429 |
QgsPoint ul = transform->toMapCoordinates( rect.left(), rect.top() );
|
| 428 |
430 |
QgsPoint ur = transform->toMapCoordinates( rect.right(), rect.top() );
|
| 429 |
431 |
|
| 430 |
432 |
reset( QGis::Polygon );
|
| 431 |
433 |
addPoint( ll, false );
|
| 432 |
|
addPoint( QgsPoint( ur.x(), ll.y() ), false );
|
|
434 |
addPoint( lr, false );
|
|
435 |
//addPoint( QgsPoint( ur.x(), ll.y() ), false );
|
| 433 |
436 |
addPoint( ur, false );
|
| 434 |
|
addPoint( QgsPoint( ll.x(), ur.y() ), true );
|
|
437 |
//addPoint( QgsPoint( ll.x(), ur.y() ), true );
|
|
438 |
addPoint( ul, true );
|
| 435 |
439 |
}
|
| 436 |
440 |
|
| 437 |
441 |
/*!
|
| ... | ... | |
| 518 |
522 |
|
| 519 |
523 |
void QgsRubberBand::updateRect()
|
| 520 |
524 |
{
|
| 521 |
|
if ( mPoints.size() > 0 )
|
|
525 |
if ( mPoints.empty() )
|
| 522 |
526 |
{
|
| 523 |
|
//initial point
|
| 524 |
|
QList<QgsPoint>::const_iterator it = mPoints.at( 0 ).constBegin();
|
| 525 |
|
if ( it == mPoints.at( 0 ).constEnd() )
|
| 526 |
|
{
|
| 527 |
|
return;
|
| 528 |
|
}
|
|
527 |
setRect( QgsRectangle() );
|
|
528 |
setVisible( false );
|
|
529 |
return;
|
|
530 |
}
|
| 529 |
531 |
|
| 530 |
|
qreal scale = mMapCanvas->mapUnitsPerPixel();
|
| 531 |
|
qreal s = ( mIconSize - 1 ) / 2 * scale;
|
| 532 |
|
qreal p = mPen.width() * scale;
|
|
532 |
const QgsMapToPixel& m2p = *(mMapCanvas->getCoordinateTransform());
|
| 533 |
533 |
|
| 534 |
|
QgsRectangle r( it->x() + mTranslationOffsetX - s - p, it->y() + mTranslationOffsetY - s - p,
|
| 535 |
|
it->x() + mTranslationOffsetX + s + p, it->y() + mTranslationOffsetY + s + p );
|
|
534 |
qreal w = ( mIconSize - 1 ) / 2 + mPen.width();
|
| 536 |
535 |
|
| 537 |
|
for ( int i = 0; i < mPoints.size(); ++i )
|
|
536 |
QgsRectangle r;
|
|
537 |
for ( int i = 0; i < mPoints.size(); ++i )
|
|
538 |
{
|
|
539 |
QList<QgsPoint>::const_iterator it = mPoints.at( i ).constBegin(),
|
|
540 |
itE = mPoints.at( i ).constEnd();
|
|
541 |
int j = 0;
|
|
542 |
for ( ; it != itE; ++it )
|
| 538 |
543 |
{
|
| 539 |
|
QList<QgsPoint>::const_iterator it = mPoints.at( i ).constBegin();
|
| 540 |
|
for ( ; it != mPoints.at( i ).constEnd(); ++it )
|
| 541 |
|
{
|
| 542 |
|
QgsRectangle rect = QgsRectangle( it->x() + mTranslationOffsetX - s - p, it->y() + mTranslationOffsetY - s - p,
|
| 543 |
|
it->x() + mTranslationOffsetX + s + p, it->y() + mTranslationOffsetY + s + p );
|
| 544 |
|
r.combineExtentWith( &rect );
|
| 545 |
|
}
|
|
544 |
QgsPoint p(it->x() + mTranslationOffsetX, it->y() + mTranslationOffsetY);
|
|
545 |
p = m2p.transform(p);
|
|
546 |
QgsRectangle rect(p.x() - w, p.y() - w, p.x() + w, p.y() + w);
|
|
547 |
r.combineExtentWith( &rect );
|
| 546 |
548 |
}
|
| 547 |
|
setRect( r );
|
| 548 |
|
}
|
| 549 |
|
else
|
| 550 |
|
{
|
| 551 |
|
setRect( QgsRectangle() );
|
| 552 |
549 |
}
|
| 553 |
|
setVisible( mPoints.size() > 0 );
|
|
550 |
|
|
551 |
// This is an hack to pass QgsMapCanvasItem::setRect what it
|
|
552 |
// expects (encoding of position and size of the item)
|
|
553 |
QgsPoint topLeft = m2p.toMapPoint( r.xMinimum(), r.yMinimum() );
|
|
554 |
double res = m2p.mapUnitsPerPixel();
|
|
555 |
QgsRectangle rect(topLeft.x(), topLeft.y(), topLeft.x() + r.width()*res, topLeft.y() - r.height()*res);
|
|
556 |
|
|
557 |
setRect( rect );
|
|
558 |
setVisible( true );
|
| 554 |
559 |
}
|
| 555 |
560 |
|
| 556 |
561 |
void QgsRubberBand::setTranslationOffset( double dx, double dy )
|