QtRectangle.qo.h

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//# QtRectangle.h: base class for statistical regions
//# Copyright (C) 2011,2012
//# Associated Universities, Inc. Washington DC, USA.
//#
//# This library is free software; you can redistribute it and/or modify it
//# under the terms of the GNU Library General Public License as published by
//# the Free Software Foundation; either version 2 of the License, or (at your
//# option) any later version.
//#
//# This library is distributed in the hope that it will be useful, but WITHOUT
//# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Library General Public
//# License for more details.
//#
//# You should have received a copy of the GNU Library General Public License
//# along with this library; if not, write to the Free Software Foundation,
//# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA.
//#
//# Correspondence concerning AIPS++ should be addressed as follows:
//#        Internet email: aips2-request@nrao.edu.
//#        Postal address: AIPS++ Project Office
//#                        National Radio Astronomy Observatory
//#                        520 Edgemont Road
//#                        Charlottesville, VA 22903-2475 USA
//#
//# $Id$


#ifndef REGION_QTRECTANGLE_H_
#define REGION_QTRECTANGLE_H_

#include <display/region/QtRegion.qo.h>
#include <display/region/Rectangle.h>

namespace casa {
    namespace viewer {

        // All regions are specified in "linear coordinates", not "pixel coordinates". This is necessary
        // because "linear coordinates" scale with zooming whereas "pixel coordinates" do not. Unfortunately,
        // this means that coordinate transformation is required each time the region is drawn.
        //
        // Key points:
        //    <ul>
        //        <li> regions are produced by a factory to permit the creation of gui specific regions </li>
        //    </ul>
        class QtRectangle : public QtRegion, public Rectangle {
            Q_OBJECT
            public:
                ~QtRectangle( );

                const std::string name( ) const { return QtRegion::name( ); }

                std::string lineColor( ) const   { return QtRegion::lineColor( ); }
                std::string centerColor( ) const { return QtRegion::centerColor( ); }
                int lineWidth( ) const { return QtRegion::lineWidth( ); }
                Region::LineStyle lineStyle( ) const { return QtRegion::lineStyle( ); }


                std::string textColor( ) const { return QtRegion::textColor( ); }
                std::string textFont( ) const { return QtRegion::textFont( ); }
                int textFontSize( ) const { return QtRegion::textFontSize( ); }
                int textFontStyle( ) const { return QtRegion::textFontStyle( ); }
                std::string textValue( ) const { return QtRegion::textValue( ); }
                Region::TextPosition textPosition( ) const { return QtRegion::textPosition( ); }
                void textPositionDelta( int &x, int &y ) const { QtRegion::textPositionDelta( x, y ); }

                void getCoordinatesAndUnits( Region::Coord &c, Region::Units &x_units, Region::Units &y_units, std::string &width_height_units ) const
                        { Region::getCoordinatesAndUnits( c, x_units, y_units, width_height_units ); }
                void getPositionString( std::string &x, std::string &y, std::string &angle,
                                        double &bounding_width, double &bounding_height,
                                        Region::Coord coord = Region::DefaultCoord,
                                        Region::Units x_units = Region::DefaultUnits,
                                        Region::Units y_units = Region::DefaultUnits,
                                        const std::string &bounding_units = "rad" ) const
                        { Region::getPositionString( x, y, angle, bounding_width, bounding_height, coord, x_units, y_units, bounding_units ); }

                bool translateX( const std::string &x, const std::string &x_units, const std::string &coordsys )
                        { return Region::translateX( x, x_units, coordsys ); }
                bool translateY( const std::string &y, const std::string &y_units, const std::string &coordsys )
                        { return Region::translateY( y, y_units, coordsys ); }
                bool resizeX( const std::string &x, const std::string &x_units, const std::string &coordsys )
                        { return Region::resizeX( x, x_units, coordsys ); }
                bool resizeY( const std::string &y, const std::string &y_units, const std::string &coordsys )
                        { return Region::resizeY( y, y_units, coordsys ); }

                int numFrames( ) const { return QtRegion::numFrames( ); }
                void zRange( int &min, int &max ) const { QtRegion::zRange(min,max); }
                int zIndex( ) const { return Region::zIndex( ); }

                bool regionVisible( ) const { return Region::regionVisible( ); }
                void linearCenter( double &x, double &y ) const { Rectangle::linearCenter( x, y ); }
                void pixelCenter( double &x, double &y ) const { Rectangle::pixelCenter( x, y ); }

                QtRectangle( QtRegionSourceKernel *factory, WorldCanvas *wc, double blc_x, double blc_y, double trc_x, double trc_y, bool hold_signals=false );

                // qt-event -> QtRegion -> QtRectangle -> Region::refresh( )
                void refresh( ) { Rectangle::refresh( ); }
                AnnotationBase *annotation( ) const { return Rectangle::annotation( ); }

                // indicates that the user has selected this rectangle...
                void selectedInCanvas( ) { QtRegion::selectedInCanvas( ); }
                // is this region weakly or temporarily selected?
                bool weaklySelected( ) const { return QtRegion::weaklySelected( ); }
                void weaklySelect( ) { QtRegion::weaklySelect( ); }
                void weaklyUnselect( ) { QtRegion::weaklyUnselect( ); }

                // indicates that region movement requires that the statistcs be updated...
                void updateStateInfo( bool region_modified, Region::RegionChanges change ) { QtRegion::updateStateInfo( region_modified, change ); }

                // indicates that the center info is no longer valid
                void invalidateCenterInfo( ) {QtRegion::invalidateCenterInfo();};

                void clearStatistics( ) { QtRegion::clearStatistics( ); }

                void setLabel( const std::string &l ) { QtRegion::setLabel(l); }
                void setLabelPosition( TextPosition pos ) { QtRegion::setLabelPosition(pos); }
                void setLabelDelta( const std::vector<int> &delta ) { QtRegion::setLabelDelta(delta); }
                void setFont( const std::string &font="", int font_size=-1, int font_style=0, const std::string &font_color="" )
                                { QtRegion::setFont( font, font_size, font_style, font_color ); }
                void setLine( const std::string &line_color="", Region::LineStyle line_style=SolidLine, unsigned int line_width=1 )
                                { QtRegion::setLine( line_color, line_style, line_width ); }
                void setAnnotation(bool ann) { QtRegion::setAnnotation(ann); }

                // functions added with the introduction of RegionToolManager and the
                // unified selection and manipulation of the various region types...
                void mark( bool set=true ) { QtRegion::mark( set ); }
                bool marked( ) const { return QtRegion::marked( ); }
                bool mark_toggle( ) { return QtRegion::mark_toggle( ); }

                void status( const std::string &msg, const std::string &type="info" ) { QtRegion::status(msg,type); }

                bool markCenter() const { return QtRegion::markCenter( ); }

                bool skyComponent() const { return QtRegion::skyComponent( ); }

                void output( ds9writer &out ) const;

                void emitUpdate( ) { QtRegion::emitUpdate( ); }

                public slots:
                        void adjustCorners( double, double, double, double );

            protected:
                std::list<RegionInfo> *generate_dds_statistics( ) { return Rectangle::generate_dds_statistics( ); }
                ImageRegion *get_image_region( DisplayData *dd ) const { return Rectangle::get_image_region( dd ); }
                const std::list<Region*> &get_selected_regions( ) { return QtRegion::get_selected_regions( ); }
                size_t selected_region_count( ) { return QtRegion::selected_region_count( ); }
                size_t marked_region_count( ) { return QtRegion::marked_region_count( ); }
                virtual Region *fetch_my_region( ) { return (Region*) this; }
                virtual void fetch_region_details( RegionTypes &type, std::vector<std::pair<int,int> > &pixel_pts, 
                                                   std::vector<std::pair<double,double> > &world_pts ) const 
                                { return Rectangle::fetch_region_details( type, pixel_pts, world_pts ); }
                std::list<RegionInfo> *generate_dds_centers( ) { return Rectangle::generate_dds_centers( ); };

        };
    }
}

#endif