void QgsLayoutItemPicture::setPictureRotation( double rotation )
{
double oldRotation = mPictureRotation;
mPictureRotation = rotation;
if ( mResizeMode == Zoom )
{
//find largest scaling of picture with this rotation which fits in item
QSizeF currentPictureSize = pictureSize();
QRectF rotatedImageRect = QgsLayoutUtils::largestRotatedRectWithinBounds( QRectF( 0, 0, currentPictureSize.width(), currentPictureSize.height() ), rect(), mPictureRotation );
mPictureWidth = rotatedImageRect.width();
mPictureHeight = rotatedImageRect.height();
update();
}
else if ( mResizeMode == ZoomResizeFrame )
{
QSizeF currentPictureSize = pictureSize();
QRectF oldRect = QRectF( pos().x(), pos().y(), rect().width(), rect().height() );
//calculate actual size of image inside frame
QRectF rotatedImageRect = QgsLayoutUtils::largestRotatedRectWithinBounds( QRectF( 0, 0, currentPictureSize.width(), currentPictureSize.height() ), rect(), oldRotation );
//rotate image rect by new rotation and get bounding box
QTransform tr;
tr.rotate( mPictureRotation );
QRectF newRect = tr.mapRect( QRectF( 0, 0, rotatedImageRect.width(), rotatedImageRect.height() ) );
//keep the center in the same location
newRect.moveCenter( oldRect.center() );
attemptSetSceneRect( newRect );
emit changed();
}
emit pictureRotationChanged( mPictureRotation );
}
void QgsLayoutItemLabel::adjustSizeToText()
{
QSizeF newSize = sizeForText();
//keep alignment point constant
double xShift = 0;
double yShift = 0;
itemShiftAdjustSize( newSize.width(), newSize.height(), xShift, yShift );
//update rect for data defined size and position
attemptSetSceneRect( QRectF( pos().x() + xShift, pos().y() + yShift, newSize.width(), newSize.height() ) );
}
void QgsLayoutItemPicture::recalculateSize()
{
//call set scene rect with current position/size, as this will trigger the
//picture item to recalculate its frame and image size
attemptSetSceneRect( QRectF( pos().x(), pos().y(), rect().width(), rect().height() ) );
}
