#include "StdAfx.h"
#include "EasyOperationMgr.h"
#include "DrawSimpleShape.h"
#include "GlobalFunction.h"
#include "LogMgr.h"
#include "GlobalDrawMgr.h"


CEasyOperationMgr *gEasyOperationMgr = new CEasyOperationMgr;
CEasyOperationMgr::CEasyOperationMgr(void)
{
    m_bShow = false;//是否显示
    m_Gap = 0.002;//和选择obj 的间隔
}
CEasyOperationMgr::~CEasyOperationMgr(void)
{
}
void CEasyOperationMgr::SetRect(DbRect rect)
{
    m_OperatRect = rect;
}
//获取实际绘制的rect
DbRect CEasyOperationMgr::GetDrawRect()
{
    DbRect rect = m_OperatRect;
    double Gap = GetCurViewPtr()->GetCurrScaleVal(m_Gap);
    rect.L -= Gap;
    rect.R += Gap;
    rect.B -= Gap;
    rect.T += Gap;
    return rect;
}
//获得操作基准点
Dbxy CEasyOperationMgr::GetBasePt()
{
     Dbxy pt;
     switch(m_OprDir)
     {
         case _DIR_U:
         case _DIR_R:
         case _DIR_RT:
             pt.x = m_OperatRect.L;
             pt.y = m_OperatRect.B;
             break;
         case _DIR_D:
         case _DIR_RB:
             pt.x = m_OperatRect.L;
             pt.y = m_OperatRect.T;
             break;
         case _DIR_L:
         case _DIR_LT:
             pt.x = m_OperatRect.R;
             pt.y = m_OperatRect.B;
             break;
         case _DIR_LB:
             pt.x = m_OperatRect.R;
             pt.y = m_OperatRect.T;
             break;
         default:
             break;
     }
    return pt;
}
double CEasyOperationMgr::GetSize(X_OR_Y xy)
{
    double size = 0;
    if(xy = _X)
        size = m_OperatRect.Width();
    else
        size = m_OperatRect.Height();
    return size;
}
Dbxy CEasyOperationMgr::GetDiff(Dbxy StartPt,Dbxy EndPt)
{
    Dbxy diff;
    switch(m_OprDir)
     {
         case _DIR_R:
         case _DIR_RT:
         case _DIR_RB:
             diff.x = EndPt.x - StartPt.x;
             break;
         case _DIR_L:
         case _DIR_LT:
         case _DIR_LB:
             diff.x = StartPt.x - EndPt.x;
             break;
         default:
             break;
     }
     switch(m_OprDir)
     {
         
         case _DIR_LT:
         case _DIR_U:
         case _DIR_RT:
             diff.y = EndPt.y - StartPt.y;
             break;
         case _DIR_LB:
         case _DIR_D:
         case _DIR_RB:
             diff.y = StartPt.y - EndPt.y;
             break;
         default:
             break;
     }
     return diff;
}
void CEasyOperationMgr::Draw(CDC* pDC)
{
     if(m_bShow)
     {
          DbRect rect = GetDrawRect();
          COLORREF color = gDraw->GetEasyOperationColor();
          {
               Dbxy pt(rect.L,rect.T);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
          {
               Dbxy pt(rect.L,rect.B);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
          {
               Dbxy pt(rect.R,rect.B);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
          {
               Dbxy pt(rect.R,rect.T);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
          {
               Dbxy pt((rect.R+rect.L)/2,rect.T);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
          {
               Dbxy pt((rect.R+rect.L)/2,rect.B);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
          {
               Dbxy pt(rect.L,(rect.T+rect.B)/2);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
          {
               Dbxy pt(rect.R,(rect.T+rect.B)/2);
               DrawSolidRect(pDC,color,gDraw->GetCurPointRect(pt));
          }
     }
}
void CEasyOperationMgr::Refresh()
{
     if(gDraw->IsbUseEasyOperation())
     {
           CLayer &layer = gLayer;
           if(layer.HasObjSel())
           {
                m_bShow = true;
                SetRect(layer.GetSelObjRect());
           }
           else
           {
                m_bShow = false;
           }
     }
}
//判断鼠标工具类型
MOUSE_TOOL CEasyOperationMgr::JudgeMouseToolType(Dbxy MousePt)
{
    MOUSE_TOOL type = _TOOL_POINT;
    if(!m_bShow)
        return type;
    
    DbRect rect = GetDrawRect();
    if(JudgeMouseToolTypeExt(MousePt,Dbxy(rect.L,rect.T),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_LT;
    }
    else if(JudgeMouseToolTypeExt(MousePt,Dbxy(rect.L,rect.B),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_LB;
    }
    else if(JudgeMouseToolTypeExt(MousePt,Dbxy(rect.R,rect.B),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_RB;
    }
    else if(JudgeMouseToolTypeExt(MousePt,Dbxy(rect.R,rect.T),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_RT;
    }
    else if(JudgeMouseToolTypeExt(MousePt,Dbxy((rect.R+rect.L)/2,rect.T),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_U;
    }
    else if(JudgeMouseToolTypeExt(MousePt,Dbxy((rect.R+rect.L)/2,rect.B),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_D;
    }
    else if(JudgeMouseToolTypeExt(MousePt,Dbxy(rect.L,(rect.T+rect.B)/2),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_L;
    }
    else if(JudgeMouseToolTypeExt(MousePt,Dbxy(rect.R,(rect.T+rect.B)/2),type) != _TOOL_POINT)
    {
         m_OprDir = _DIR_R;
    }
    return type;
}
MOUSE_TOOL CEasyOperationMgr::JudgeMouseToolTypeExt(Dbxy MousePt,Dbxy pt,MOUSE_TOOL &type)
{
    DbRect rect = gDraw->GetCurPointRect(pt);
    if(IsPointInRect(MousePt,rect))
    {
          type = _TOOL_STRETCH;
    }
    return type;
}