void QgsComposerPicture::setPictureRotation( double r )
{
double oldRotation = mPictureRotation;
mPictureRotation = r;
if ( mResizeMode == Zoom )
{
//find largest scaling of picture with this rotation which fits in item
QSizeF currentPictureSize = pictureSize();
QRectF rotatedImageRect = QgsComposerUtils::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 = QgsComposerUtils::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() );
QgsComposerItem::setSceneRect( newRect );
emit itemChanged();
}
emit pictureRotationChanged( mPictureRotation );
}
void QgsLayoutItemPicture::setRotationMap( const QString &mapUuid )
{
if ( !mLayout )
{
return;
}
if ( mRotationMap )
{
disconnect( mRotationMap, &QgsLayoutItemMap::mapRotationChanged, this, &QgsLayoutItemPicture::updateMapRotation );
disconnect( mRotationMap, &QgsLayoutItemMap::extentChanged, this, &QgsLayoutItemPicture::updateMapRotation );
}
if ( mapUuid.isEmpty() ) //disable rotation from map
{
mRotationMap = nullptr;
}
else
{
QgsLayoutItemMap *map = qobject_cast< QgsLayoutItemMap * >( mLayout->itemByUuid( mapUuid ) );
if ( !map )
{
return;
}
mPictureRotation = map->mapRotation();
connect( map, &QgsLayoutItemMap::mapRotationChanged, this, &QgsLayoutItemPicture::updateMapRotation );
connect( map, &QgsLayoutItemMap::extentChanged, this, &QgsLayoutItemPicture::updateMapRotation );
mRotationMap = map;
updateMapRotation();
emit pictureRotationChanged( mPictureRotation );
}
}
void QgsComposerPicture::setPictureRotation( double r )
{
mPictureRotation = r;
if ( mResizeMode == Zoom )
{
//find largest scaling of picture with this rotation which fits in item
QSizeF currentPictureSize = pictureSize();
QRectF rotatedImageRect = largestRotatedRectWithinBounds( QRectF( 0, 0, currentPictureSize.width(), currentPictureSize.height() ), rect(), mPictureRotation );
mPictureWidth = rotatedImageRect.width();
mPictureHeight = rotatedImageRect.height();
update();
}
emit pictureRotationChanged( mPictureRotation );
}
