somedata.h

//
//  
//    The Laxkit, a windowing toolkit
//    Please consult http://laxkit.sourceforge.net about where to send any
//    correspondence about this software.
//
//    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    Copyright (C) 2004-2012 by Tom Lechner
//
#ifndef _LAX_SOMEDATA_H
#define _LAX_SOMEDATA_H

#include <lax/anobject.h>
#include <lax/doublebbox.h>
#include <lax/vectors.h>
#include <lax/lists.h>
#include <lax/attributes.h>
#include <lax/dump.h>
#include <lax/laximages.h>
#include <lax/transformmath.h>

#include <cstdio>
#include <ctime>

#ifndef NULL
#define NULL 0
#endif

using namespace std;

namespace LaxInterfaces {

#define SOMEDATA_KEEP_ASPECT    (1<<0)
#define SOMEDATA_KEEP_1_TO_1    (1<<1)
#define SOMEDATA_LOCK_SHEAR     (1<<2)
#define SOMEDATA_LOCK_ROTATION  (1<<3)
#define SOMEDATA_LOCK_SCALEX    (1<<4)
#define SOMEDATA_LOCK_SCALEY    (1<<5)
#define SOMEDATA_LOCK_POSITION  (1<<6)
 //only object tool can touch it
#define SOMEDATA_LOCK_CONTENTS  (1<<7)
 //child objects are not selectable
#define SOMEDATA_LOCK_KIDS      (1<<8)
#define SOMEDATA_UNSELECTABLE   (1<<9)
#define SOMEDATA_UNEDITABLE     (1<<10)




class SomeData :  virtual public Laxkit::anObject,
                  virtual public Laxkit::Affine,
                  virtual public Laxkit::DoubleBBox
{
 protected:
 public:
     //preview mechanism
    Laxkit::LaxImage *preview;
    int usepreview;

    std::time_t previewtime;
    std::time_t modtime;
    virtual void touchContents();

    virtual Laxkit::LaxImage *GetPreview();
    virtual void GeneratePreview(int w,int h);
    virtual int renderToBuffer(unsigned char *buffer, int bufw, int bufh, int bufstride, int bufdepth, int bufchannels);

    int bboxstyle; //useparent
    flatpoint centerpoint; //used as a passive center by ObjectInterface
    unsigned int flags;
    int iid; // interface id

    char *nameid;
    virtual const char *Id();
    virtual const char *Id(const char *newid);

    SomeData();
    SomeData(double nminx,double nmaxx,double nminy,double nmaxy);
    virtual ~SomeData();
    virtual const char *whattype() { return "SomeData"; }
    
    virtual void FindBBox() {}
    virtual flatpoint BBoxPoint(double x,double y, bool transform_to_parent);
    virtual flatpoint ReferencePoint(int which, bool transform_to_parent);
    virtual SomeData *duplicate(SomeData *dup);
    virtual int pointin(flatpoint pp,int pin=1); // return in=1 | on=2 | out=0, default is pointin bbox
    virtual int fitto(double *boxm,DoubleBBox *box,double alignx,double aligny, int whentoscale=2);
    virtual SomeData *GetParent() { return NULL; }

    virtual void dump_out(FILE *f,int indent,int what,Laxkit::anObject *context);
    virtual void dump_in(FILE *f,int indent,Laxkit::anObject *context,LaxFiles::Attribute **Att=NULL);
    virtual void dump_in_atts(LaxFiles::Attribute *att,int flag,Laxkit::anObject *context);
    virtual LaxFiles::Attribute *dump_out_atts(LaxFiles::Attribute *att,int what,Laxkit::anObject *savecontext);
};




} // namespace LaxInterfaces

#endif