//

//PatternRepeat 수행시..
//스크롤바의 자동이동을 위해 동시수행  쓰레드 생성..


//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "Cvsthread.h"
#include "FullView.h"
#include "MainImage.h"
#include "Palette.h"
#include "PenManager.h"
#include "StatusProgress.h"
#include "Undo.h"

#pragma package(smart_init)
//---------------------------------------------------------------------------
//   Important: Methods and properties of objects in VCL can only be
//   used in a method called using Synchronize, for example:
//
//      Synchronize(UpdateCaption);
//
//   where UpdateCaption could look like:
//
//      void __fastcall Cvsthread::UpdateCaption()
//      {
//        Form1->Caption = "Updated in a thread";
//      }
//---------------------------------------------------------------------------
__fastcall Cvsthread::Cvsthread(int X, int Y  )
  : TThread(false)
{
  //FForm = AForm;
  spx = X;
  spy = Y;
}
//---------------------------------------------------------------------------
void __fastcall Cvsthread::GetSource()
{

   k = ( spx > 0 ) ? 15 : -15;
   j = ( spy > 0 ) ? 15 : -15;

   XorY  =   abs(spx)  > abs (spy)  ?  true  :  false;
}
//---------------------------------------------------------------------------
void __fastcall Cvsthread::Execute()
{
  //---- Place thread code here ----
  FreeOnTerminate = true;
  while(!(Terminated || Application->Terminated))
  {
   GetSource();  // 스크롤바 이동을 위한 계산...
   MainImageForm->iMainImage->Canvas->Lock(); // 캔버스의 락을 건다. 한번에
                                                //  한 스레드만 허용

    //if( MainImageForm->sbHorz->Position <= MainImageForm->sbHorz->Max
     //    && MainImageForm->sbHorz->Position >= MainImageForm->sbHorz->Min ) {
     //   if(XorY) {
       //  MainImageForm->sbHorz->Position  += k;
      //   MainImageForm->iMainImageChange();
      //   MainImageForm->iMainImage->PositionX = MainImageForm->sbHorz->Position;
   //    }
   //  }
  //  if ( MainImageForm->sbVert->Position <= MainImageForm->sbVert->Max
     //   && MainImageForm->sbVert->Position >= MainImageForm->sbVert->Min) {
 //      if(!XorY) {
        if(  MainImageForm->sbVert->Position < MainImageForm->sbVert->Max ){
        MainImageForm->sbVert->Position  += 3;
        MainImageForm->iMainImageChange();
        MainImageForm->iMainImage->PositionY = MainImageForm->sbVert->Position;
        }
    //    }
  //  }
    MainImageForm->iMainImage->Canvas->Unlock(); // 캔버스에 락을 풀어준다.
   } // while block
}
//---------------------------------------------------------------------------