/*[]=====================================================================[]*/
/*[]     LeadTools Run Time Library - Version 14                         []*/
/*[]                                                                     []*/
/*[]                                                                     []*/
/*[]     Copyright (c) 1991-2004 LEAD Technologies, Inc.                 []*/
/*[]     All Rights Reserved.                                            []*/
/*[]=====================================================================[]*/

#include "ImgPF.h"

static L_BOOL PixelateDialog_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify);
static L_BOOL PixelateDialog_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos);
static L_BOOL PixelateDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID PixelateDialog_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter               (HWND hWnd);


L_VOID EnablePosition(HWND hWnd, L_BOOL bEnable)
{
   EnableWindow(GetDlgItem(hWnd, IDC_PIX_POS_BTN) , bEnable);
   EnableWindow(GetDlgItem(hWnd, IDC_PIX_XPOS_EDT), bEnable);
   EnableWindow(GetDlgItem(hWnd, IDC_PIX_XPOS_SLD), bEnable);
   EnableWindow(GetDlgItem(hWnd, IDC_PIX_YPOS_EDT), bEnable);
   EnableWindow(GetDlgItem(hWnd, IDC_PIX_YPOS_SLD), bEnable);
}

L_BOOL CALLBACK PixelateDlgProc (HWND hWnd, L_UINT message, WPARAM wParam, LPARAM lParam)
{
   switch(message)
   {
      HANDLE_MSG (hWnd, WM_COMMAND,    PixelateDialog_OnCommand);
      HANDLE_MSG (hWnd, WM_INITDIALOG, PixelateDialog_OnInitDialog);
      HANDLE_MSG (hWnd, WM_HSCROLL,    PixelateDialog_OnHScroll);
      HANDLE_MSG (hWnd, WM_TIMER,      PixelateDialog_OnTimer);      

   case WM_USER_UPDATEVIEW:
      StatusProc.ProgressValue = 100;
      L_ApplyFilter (hWnd);
      break;
   }
   return FALSE;
}


static LRESULT CALLBACK Mouse(L_INT nCode, WPARAM wParam, LPARAM lParam) 
{
   LPPIXDLGDATA      pPixDlgData;
   LPMOUSEHOOKSTRUCT pMouseHook;
   HWND              hWndParent;
   pCHILDDATA        pData;
   RECT              rcRect;
   POINT             TmpPoint;
   DWORD             dwStyle;   
   
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pPixDlgData = (LPPIXDLGDATA)GetWindowLong(hGlobalWnd, GWL_USERDATA);
   pMouseHook  = (LPMOUSEHOOKSTRUCT)lParam;

   GetWindowRect(hGlobalWnd, &rcRect);
   if (PtInRect(&rcRect, pMouseHook->pt))
      return 0;

   switch(LOWORD(wParam))
   {
   case WM_NCMOUSEMOVE:
      TmpPoint = pMouseHook->pt;
      if (PtInRect(&rcRect, TmpPoint))
         break;
      if (pPixDlgData->bPushed) 
      {
         PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
      }
      else
      {
         dwStyle  = GetWindowLong (hWndParent, GWL_STYLE);
         if ((WS_VSCROLL & dwStyle) || (WS_HSCROLL & dwStyle))
            PostMessage(hWndParent, WM_USER_CHANGECURSOR, (WPARAM)hInst, (LONG)MAKEINTRESOURCE(IDC_CURS11));
         ScreenToClient(hWndParent, &pMouseHook->pt);
         GetClientRect(hGlobalWnd, &rcRect);
         if (!PtInRect(&rcRect, pMouseHook->pt))
            SendMessage((hWndParent), WM_MOUSEMOVE, wParam, MAKELPARAM((pMouseHook->pt.x), (pMouseHook->pt.y)));
      }
      break;

   case WM_NCLBUTTONDOWN:
      TmpPoint = pMouseHook->pt;
      if (PtInRect(&rcRect, TmpPoint))
         break;
      if (pPixDlgData->bPushed)
      {
         PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
         ScreenToClient(hWndParent, &pMouseHook->pt);
         GetClientRect(hWndParent, &rcRect);
         if (PtInRect(&pData->rcView, pMouseHook->pt))
         {
            if (L_BitmapHasRgn(&pData->LeadBitmap))
            {
               L_GetBitmapRgnBounds(&pData->LeadBitmap, NULL, &rcRect);
               TmpPoint.x = pMouseHook->pt.x + pData->nHScrollPos;
               TmpPoint.y = pMouseHook->pt.y + pData->nVScrollPos;
               if (!PtInRect(&rcRect, TmpPoint))
                  return CallNextHookEx(pPixDlgData->hMouseHook , nCode, wParam, lParam); 
            }

            pData->ptCenter.x = pPixDlgData->ptCenter.x = pMouseHook->pt.x + pData->nHScrollPos;
            pData->ptCenter.y = pPixDlgData->ptCenter.y = pMouseHook->pt.y + pData->nVScrollPos;
            
            SetDlgItemInt(hGlobalWnd, IDC_PIX_XPOS_EDT, pPixDlgData->ptCenter.x, TRUE);
            SetDlgItemInt(hGlobalWnd, IDC_PIX_YPOS_EDT, pPixDlgData->ptCenter.y, TRUE);
            InvalidateRect(hWndParent, NULL, FALSE);
            L_ApplyFilter (hGlobalWnd);
            PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
         }
         else
         {
            PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_ARROW);
         }
      }
      else
      {
         dwStyle  = GetWindowLong (hWndParent, GWL_STYLE);
         if ((WS_VSCROLL & dwStyle) || (WS_HSCROLL & dwStyle))
            PostMessage(hWndParent, WM_USER_CHANGECURSOR, (WPARAM)hInst, (LONG)MAKEINTRESOURCE(IDC_CURS11));
         ScreenToClient(hWndParent, &pMouseHook->pt);
         SendMessage(hWndParent, WM_LBUTTONDOWN, wParam, MAKELPARAM((pMouseHook->pt.x), (pMouseHook->pt.y)));
      }
      break;

   case WM_NCLBUTTONUP:
      TmpPoint = pMouseHook->pt;
      if (PtInRect(&rcRect, TmpPoint))
         break;
      if (pPixDlgData->bPushed)
      {
         PostMessage (hWndParent, WM_USER_CHANGECURSOR, 0, (LONG)IDC_CROSS);
      }
      else
      {
         dwStyle  = GetWindowLong (hWndParent, GWL_STYLE);
         if ((WS_VSCROLL & dwStyle) || (WS_HSCROLL & dwStyle))
            PostMessage(hWndParent, WM_USER_CHANGECURSOR, (WPARAM)hInst, (LONG)MAKEINTRESOURCE(IDC_CURS11));
         ScreenToClient(hWndParent, &pMouseHook->pt);
         GetClientRect(hGlobalWnd, &rcRect);
         if (!PtInRect(&rcRect, pMouseHook->pt))
            SendMessage(hWndParent, WM_LBUTTONUP, wParam, MAKELPARAM((pMouseHook->pt.x), (pMouseHook->pt.y)));
      }
      break;
   }
   
   if (pPixDlgData)
   {
      if (LOWORD(wParam) >= WM_NCMOUSEMOVE && LOWORD(wParam) <= WM_NCMBUTTONDBLCLK)
         return TRUE;
      else
         return CallNextHookEx(pPixDlgData->hMouseHook , nCode, wParam, lParam); 
   }
   else
      return FALSE;
}

static L_BOOL PixelateDialog_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   LPPIXDLGDATA pPixDlgData;
   HWND         hWndParent;
   pCHILDDATA   pData;
   RECT         rcRgn;
   L_INT        nSlider;
   L_INT        nRangeMax[] = { 100,  100, 100, 0, 0};
   L_INT        nRangeMin[] = {   1,    1,   1, 0, 0};
   L_INT        nPosInit [] = {  10,   10, 100, 0, 0};

   hWndParent    = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData         = LOCKCHILDDATA (hWndParent);
   pPixDlgData   = (LPPIXDLGDATA)lParam;
   hGlobalWnd    = hWnd;
   pData->bCross = FALSE;
   MoveDialogToMiddle(hWnd);

   SetWindowLong(hWnd, GWL_USERDATA, (LONG)pPixDlgData);
   
   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pPixDlgData->Bitmap);
   L_GetBitmapRgnBounds(&pPixDlgData->Bitmap, NULL, &rcRgn);
   ComboBox_AddString(GetDlgItem(hWnd, IDC_PIX_WID_COM), TEXT("Period"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_PIX_WID_COM), TEXT("Freqeuncy"));
   ComboBox_SetCurSel(GetDlgItem(hWnd, IDC_PIX_WID_COM), 0);

   ComboBox_AddString(GetDlgItem(hWnd, IDC_PIX_HIG_COM), TEXT("Period"));
   ComboBox_AddString(GetDlgItem(hWnd, IDC_PIX_HIG_COM), TEXT("Freqeuncy"));
   ComboBox_SetCurSel(GetDlgItem(hWnd, IDC_PIX_HIG_COM), 0);

   Button_SetCheck(GetDlgItem(hWnd, IDC_PIX_RCT_RAD), TRUE);
   Button_SetCheck(GetDlgItem(hWnd, IDC_PIX_AVG_RAD), TRUE);
   

   Progress_SetRange(StatusProc.ProgWnd, 0, 100);
   Progress_SetPos(StatusProc.ProgWnd, 0);

   StatusProc.bProgress     = TRUE;
   StatusProc.bInvalidate   = FALSE;
   StatusProc.bEnd          = FALSE;
   StatusProc.DlgWnd        = hWnd;
   StatusProc.ProgressValue = 100;
   StatusProc.ProgWnd       = GetDlgItem(hWnd, IDC_PIX_PROG);

   pPixDlgData->nWidth       = 10;
   pPixDlgData->nHeight      = 10;
   pPixDlgData->nOpacity     = 100;

   pPixDlgData->uFlag  = PIX_AVR | PIX_RECT | PIX_WPER | PIX_HPER;
   nPosInit [3] = pPixDlgData->ptCenter.x = pData->ptCenter.x = (rcRgn.right - rcRgn.left) / 2 + rcRgn.left;
   nPosInit [4] = pPixDlgData->ptCenter.y = pData->ptCenter.y = (rcRgn.bottom - rcRgn.top) / 2 + rcRgn.top;
   nRangeMax[3] = rcRgn.right;
   nRangeMax[4] = rcRgn.bottom;
   nRangeMin[3] = rcRgn.left;
   nRangeMin[4] = rcRgn.top;
   pPixDlgData->nEdtBaseID = IDC_PIX_WID_EDT;
   pPixDlgData->nSldBaseID = IDC_PIX_WID_SLD;
   pPixDlgData->nSlideNum  = 5;

   for (nSlider = 0; nSlider < pPixDlgData->nSlideNum; nSlider++)
   {
      Trackbar_SetRange(GetDlgItem(hWnd, nSlider + pPixDlgData->nSldBaseID),  FALSE, nRangeMin[nSlider], nRangeMax[nSlider]);
      SetDlgItemInt(hWnd,  nSlider + pPixDlgData->nEdtBaseID, nPosInit[nSlider], FALSE);
      SetNumericEditBox(GetDlgItem(hWnd, pPixDlgData->nEdtBaseID + nSlider), nRangeMin[nSlider], nRangeMax[nSlider], 1, 0, FALSE);
   }

   pPixDlgData->bPushed = FALSE;
   pPixDlgData->hIcon = LoadIcon(hInst, MAKEINTRESOURCE(IDI_MOUSE));
   SendMessage(GetDlgItem(hWnd, IDC_PIX_POS_BTN), BM_SETIMAGE, IMAGE_ICON, (LPARAM)(HICON)pPixDlgData->hIcon);

   EnablePosition(hWnd, FALSE);
   pPixDlgData->hMouseHook = SetWindowsHookEx(WH_MOUSE, Mouse, hInst, GetCurrentThreadId());
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   ShowWindow(hWnd, SW_SHOW);
   L_ApplyFilter(hWnd);
   return ( TRUE );
}

static L_VOID PixelateDialog_OnTimer (HWND hWnd, L_INT nID)
{
   Dialog_Timer(nID);
}

static L_BOOL PixelateDialog_OnCommand (HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   LPPIXDLGDATA pPixDlgData;
   HWND         hWndParent;
   L_INT        nRangeMax[] = { 100,  100, 100, 0, 0};
   L_INT        nRangeMin[] = {   0,    0,   1, 0, 0};
   HWND         hCtl;
   pCHILDDATA   pData;
   L_INT        nValue, nIndex, nComIndex;
   RECT         rcRgn;

   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);
   pPixDlgData = (LPPIXDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);

   L_GetBitmapRgnBounds(&pPixDlgData->Bitmap, NULL, &rcRgn);
   
   nRangeMax[3] = rcRgn.right;
   nRangeMax[4] = rcRgn.bottom;
   nRangeMin[3] = rcRgn.left;
   nRangeMin[4] = rcRgn.top;

   if (nID >= pPixDlgData->nEdtBaseID && nID < pPixDlgData->nEdtBaseID + pPixDlgData->nSlideNum)
   {
      if(uCodeNotify == EN_CHANGE)
      {
         nValue = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         hCtl   = GetDlgItem(hWnd,nID + pPixDlgData->nSlideNum);
         nIndex = nID - pPixDlgData->nEdtBaseID;
         Trackbar_SetPos(hCtl, TRUE, nValue);

         if(nValue > nRangeMax[nIndex])
         {            
            SetDlgItemInt(hWnd, nID,  nRangeMax[nIndex], TRUE);
            return FALSE;
         }

         if(nValue < nRangeMin[nIndex])
         {            
            SetDlgItemInt(hWnd, nID,  nRangeMin[nIndex], TRUE);
            return FALSE;
         }
         
         
         switch (nIndex)
         {
         case 0:
            if(pPixDlgData->nWidth == nValue)
               return TRUE;
            pPixDlgData->nWidth = nValue;
            break;
         case 1:
            if(pPixDlgData->nHeight == nValue)
               return TRUE;
            pPixDlgData->nHeight = nValue;
            break;
         case 2:
            if(pPixDlgData->nOpacity == nValue)
               return TRUE;
            pPixDlgData->nOpacity = nValue;
            break;
         case 3:
            if(pPixDlgData->ptCenter.x == nValue)
               return TRUE;
            pPixDlgData->ptCenter.x = nValue;
            pData->ptCenter.x       = nValue;
            break;
         
         case 4:
            if(pPixDlgData->ptCenter.y == nValue)
               return TRUE;
            pPixDlgData->ptCenter.y = nValue;
            pData->ptCenter.y       = nValue;
            break;
         }
         L_ApplyFilter (hWnd);
      }
   }   
   switch (nID)
   {
   case IDC_PIX_POS_BTN:
      pPixDlgData->bPushed = Button_GetCheck(hWndCtl);
      break;

   case IDC_PIX_WID_COM:
      if (uCodeNotify == CBN_SELCHANGE)
      {
         nComIndex = (ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_PIX_WID_COM))) + 1;

         if(nComIndex == 1)
            if(pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFFCFF) | PIX_WPER))
            {
               pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFFCFF;
               pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_WPER;
               InvalidateRect(hWndCtl, NULL, FALSE);
               L_ApplyFilter (hWnd);
            }

         if(nComIndex == 2)
            if(pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFFCFF) | PIX_WFRQ))
            {
               pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFFCFF;
               pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_WFRQ;
               InvalidateRect(hWndCtl, NULL, FALSE);
               L_ApplyFilter (hWnd);
            }
      }
      break;

   case IDC_PIX_HIG_COM:
      if (uCodeNotify == CBN_SELCHANGE)
      {
         nComIndex = ((ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_PIX_HIG_COM))) + 1);

         if(nComIndex == 1)
            if(pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFF3FF) | PIX_HPER))
            {
               pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFF3FF;
               pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_HPER;
               InvalidateRect(hWndCtl, NULL, FALSE);
               L_ApplyFilter (hWnd);
            }

         if(nComIndex == 2)
            if(pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFF3FF) | PIX_HFRQ))
            {
               pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFF3FF;
               pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_HFRQ;
               InvalidateRect(hWndCtl, NULL, FALSE);
               L_ApplyFilter (hWnd);
            }
      }
      break;

   case IDC_PIX_RCT_RAD:
      if (pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFFF0F) | PIX_RECT))
      {
         pData->bCross = FALSE;
         pPixDlgData->bPushed = FALSE;
         EnablePosition(hWnd, FALSE);

         pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFFF0F;
         pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_RECT;
         L_ApplyFilter (hWnd);
      }
      break;

   case IDC_PIX_RAD_RAD:
      if (pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFFF0F) | PIX_RAD))
      {
         pData->ptCenter.x = pPixDlgData->ptCenter.x;
         pData->ptCenter.y = pPixDlgData->ptCenter.y;
         pData->bCross = TRUE;
         EnablePosition(hWnd, TRUE);
         pPixDlgData->bPushed = Button_GetCheck(GetDlgItem(hWnd, IDC_PIX_POS_BTN));

         pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFFF0F;
         pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_RAD;
         L_ApplyFilter (hWnd);
      }
      break;
   
   case IDC_PIX_MAX_RAD:
      if (pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFFFF0) | PIX_MAX))
      {
         pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFFFF0;
         pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_MAX;
         L_ApplyFilter (hWnd);
      }
      break;

   case IDC_PIX_MIN_RAD:
      if (pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFFFF0) | PIX_MIN))
      {
         pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFFFF0;
         pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_MIN;
         L_ApplyFilter (hWnd);
      }
      break;

   case IDC_PIX_AVG_RAD:
      if (pPixDlgData->uFlag != ((pPixDlgData->uFlag & 0xFFFFFFF0) | PIX_AVR))
      {
         pPixDlgData->uFlag = pPixDlgData->uFlag & 0xFFFFFFF0;
         pPixDlgData->uFlag = pPixDlgData->uFlag | PIX_AVR;
         L_ApplyFilter (hWnd);
      }
      break;
      
   case IDCANCEL:
      pData->bCross = FALSE;
      StatusProc.bProgress     = FALSE;
      StatusProc.bKillProgress = TRUE ;
      StatusProc.ProgressValue = 100 ;
      UnhookWindowsHookEx(pPixDlgData->hMouseHook);
      DestroyIcon(pPixDlgData->hIcon);
      EndDialog(hWnd, FALSE);
      break;
   
   case IDOK:
      ShowStatusWindow(FALSE);
      StatusProc.bStillWork  = TRUE;
      pData->bCross = FALSE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd        = TRUE;
      UnhookWindowsHookEx(pPixDlgData->hMouseHook);
      DestroyIcon(pPixDlgData->hIcon);
      EndDialog(hWnd, TRUE);
      break;
   }
   return TRUE;
}

static L_BOOL PixelateDialog_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT nCode, L_INT nPos)
{
   LPPIXDLGDATA pPixDlgData = (LPPIXDLGDATA) GetWindowLong(hWnd, GWL_USERDATA);
   SetDlgItemInt(hWnd, GetDlgCtrlID(hWndCtl) - pPixDlgData->nSlideNum , Trackbar_GetPos(hWndCtl), TRUE);
   return TRUE;
}

L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA     pData;
   L_INT          nRet = 0;
   HWND           hWndParent;
   LPPIXDLGDATA   pPixDlgData;

   if ( 100 != StatusProc.ProgressValue )
   {
      StatusProc.bKillProgress = TRUE ;
      return ;
   }
   pPixDlgData = (LPPIXDLGDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent  = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData       = LOCKCHILDDATA (hWndParent);

   FreeMemorizedBitmap (hWndParent); //MEMDISK//
   L_CopyBitmap(&pData->LeadBitmap, &pPixDlgData->Bitmap, sizeof(BITMAPHANDLE));

   nRet = L_PixelateBitmap(&pData->LeadBitmap,
                            pPixDlgData->nWidth,
                            pPixDlgData->nHeight,
                            pPixDlgData->nOpacity,
                            pPixDlgData->ptCenter,
                            pPixDlgData->uFlag);
   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}