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

#include "ImgPF.h"

static L_BOOL ChMixDlg_OnInitDialog (HWND hWnd, HWND hWndFocus, LPARAM lParam);
static L_VOID ChMixDlg_OnCommand    (HWND hWnd, L_INT nID, HWND hWndCtl, UINT CodeNotify);
static L_VOID ChMixDlg_OnHScroll    (HWND hWnd, HWND hWndCtl, L_UINT uCode, L_INT nPos);
static L_VOID ChMixDlg_OnTimer      (HWND hWnd, L_INT nID);
static L_VOID L_ApplyFilter         (HWND hWnd);

L_BOOL CALLBACK ChMixWndProc(HWND hWnd, L_UINT uMessage, WPARAM wParam, LPARAM lParam)
{
   switch(uMessage)
   {
      HANDLE_MSG(hWnd, WM_INITDIALOG, ChMixDlg_OnInitDialog);
      HANDLE_MSG(hWnd, WM_COMMAND,    ChMixDlg_OnCommand);
      HANDLE_MSG(hWnd, WM_HSCROLL,    ChMixDlg_OnHScroll);
      HANDLE_MSG(hWnd, WM_TIMER,      ChMixDlg_OnTimer);

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

static L_BOOL ChMixDlg_OnInitDialog(HWND hWnd, HWND hWndFocus, LPARAM lParam)
{
   HWND        hListBox;
   LPCHMIXDATA pChMix;
   L_INT       nCounter;
   pCHILDDATA  pData;
   HWND        hWndParent;
   L_INT       nSlider;
   L_INT       nRangeMax[] = {  200,  200,  200,  200};
   L_INT       nRangeMin[] = { -200, -200, -200, -200};
   L_INT       nPosInit [] = {  100,    0,    0,    0};

   hWndParent = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData      = LOCKCHILDDATA(hWndParent);
   pChMix     = (LPCHMIXDATA)lParam;
   MoveDialogToMiddle(hWnd);

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

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

   //MEMDISK...//
   MemorizeAndCopyBitmap (hWndParent, &pChMix->LeadBitmap);

   pChMix->nSldBaseID = IDC_CHM_RED_SLD;
   pChMix->nEdtBaseID = IDC_CHM_RED_EDT;
   pChMix->nSlideNum  = 4;
   hListBox           = (HWND) GetDlgItem(hWnd, IDC_CHM_OTPT_COM);

   ComboBox_InsertString (hListBox, 0, TEXT("Red"));
   ComboBox_InsertString (hListBox, 1, TEXT("Green"));
   ComboBox_InsertString (hListBox, 2, TEXT("Blue"));

   for(nCounter = 0; nCounter <= 2; nCounter++)
   {
      pChMix->pColor[nCounter].nBlueFactor  =
      pChMix->pColor[nCounter].nGreenFactor =
      pChMix->pColor[nCounter].nRedFactor   =
      pChMix->pColor[nCounter].nConstant    = 0;
   }

   pChMix->pColor[0].nRedFactor   = 100;
   pChMix->pColor[0].uStructSize  = sizeof(COLORDATA);
   pChMix->pColor[1].nGreenFactor = 100;
   pChMix->pColor[1].uStructSize  = sizeof(COLORDATA);
   pChMix->pColor[2].nBlueFactor  = 100;
   pChMix->pColor[2].uStructSize  = sizeof(COLORDATA);

   SetWindowLong(hWnd, GWL_USERDATA, (long)pChMix);
   ComboBox_SetCurSel(hListBox, 0);

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

   ShowWindow(hWnd, SW_SHOW);
   pData->uTimerID = SetTimer(hWnd, 1, 100, NULL);
   return TRUE;
}

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

static L_VOID ChMixDlg_OnCommand(HWND hWnd, L_INT nID, HWND hWndCtl, L_UINT uCodeNotify)
{
   LPCHMIXDATA  pChMix;
   L_UINT       uCurrentColor;
   L_INT        nValue;
   pCHILDDATA   pData;
   HWND         hWndParent;
   L_INT        nRangeMax[] = { 200, 200, 200, 200};
   L_INT        nRangeMin[] = { -200, -200, -200, -200};
   L_INT        nIndex;

   pChMix     = (LPCHMIXDATA) GetWindowLong(hWnd, GWL_USERDATA);
   hWndParent = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData      = LOCKCHILDDATA (hWndParent);

   switch (nID)
   {
   case IDCANCEL:
      StatusProc.bProgress = FALSE;
      StatusProc.bKillProgress = TRUE ;
      StatusProc.ProgressValue = 100 ;
      EndDialog(hWnd, FALSE);
      break;
   case IDOK:
      ShowStatusWindow(FALSE);
      StatusProc.bStillWork  = TRUE;
      StatusProc.bInvalidate = TRUE;
      StatusProc.bEnd = TRUE;
      EndDialog(hWnd, TRUE);
      break;

   case IDC_CHM_OTPT_COM:
      if (uCodeNotify == CBN_SELCHANGE)
      {
         uCurrentColor = ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_CHM_OTPT_COM));

         SetDlgItemInt(hWnd, pChMix->nEdtBaseID + 0, pChMix->pColor[uCurrentColor].nRedFactor , TRUE);
         SetDlgItemInt(hWnd, pChMix->nEdtBaseID + 1, pChMix->pColor[uCurrentColor].nGreenFactor , TRUE);
         SetDlgItemInt(hWnd, pChMix->nEdtBaseID + 2, pChMix->pColor[uCurrentColor].nBlueFactor , TRUE);
         SetDlgItemInt(hWnd, pChMix->nEdtBaseID + 3, pChMix->pColor[uCurrentColor].nConstant ,TRUE);

         Trackbar_SetPos(GetDlgItem(hWnd, pChMix->nSldBaseID + 0), TRUE, pChMix->pColor[uCurrentColor].nRedFactor);
         Trackbar_SetPos(GetDlgItem(hWnd, pChMix->nSldBaseID + 1), TRUE, pChMix->pColor[uCurrentColor].nGreenFactor);
         Trackbar_SetPos(GetDlgItem(hWnd, pChMix->nSldBaseID + 2), TRUE, pChMix->pColor[uCurrentColor].nBlueFactor);
         Trackbar_SetPos(GetDlgItem(hWnd, pChMix->nSldBaseID + 3), TRUE, pChMix->pColor[uCurrentColor].nConstant);
         InvalidateRect(hWndCtl, NULL, FALSE);
      }
      break;
   }

   if (nID >= pChMix->nEdtBaseID && nID < pChMix->nEdtBaseID + pChMix->nSlideNum)
   {
      if ((uCodeNotify == EN_CHANGE))
      {
         uCurrentColor = ComboBox_GetCurSel(GetDlgItem(hWnd, IDC_CHM_OTPT_COM));
         nValue        = GetDlgItemInt(hWnd, nID, NULL, TRUE);
         nIndex        = nID - pChMix->nEdtBaseID;

         Trackbar_SetPos(GetDlgItem(hWnd, pChMix->nSldBaseID + nIndex), TRUE, nValue);

         switch(nIndex)
         {
         case 0:
            if (pChMix->pColor[uCurrentColor].nRedFactor == nValue)
               return;
            pChMix->pColor[uCurrentColor].nRedFactor = nValue;
            break;
         case 1:
            if (pChMix->pColor[uCurrentColor].nGreenFactor == nValue)
               return;
            pChMix->pColor[uCurrentColor].nGreenFactor = nValue;
            break;
         case 2:
            if (pChMix->pColor[uCurrentColor].nBlueFactor == nValue)
               return;
            pChMix->pColor[uCurrentColor].nBlueFactor = nValue;
            break;
         case 3:
            if (pChMix->pColor[uCurrentColor].nConstant == nValue)
               return;
            pChMix->pColor[uCurrentColor].nConstant = nValue;
            break;
         }

         L_ApplyFilter (hWnd);
      }
   }
}

static L_VOID ChMixDlg_OnHScroll (HWND hWnd, HWND hWndCtl, L_UINT uCode, L_INT nPos)
{
   LPCHMIXDATA pChMix = (LPCHMIXDATA) GetWindowLong(hWnd, GWL_USERDATA);
   SetDlgItemInt(hWnd, GetDlgCtrlID(hWndCtl) - pChMix->nSlideNum , Trackbar_GetPos(hWndCtl), TRUE);
}


static L_VOID L_ApplyFilter (HWND hWnd)
{
   pCHILDDATA  pData;
   L_INT       nRet = 0;
   HWND        hWndParent;
   LPCHMIXDATA pChMix;

   if ( 100 != StatusProc.ProgressValue )
   {
      StatusProc.bKillProgress = TRUE ;
      return ;
   }

   pChMix     = (LPCHMIXDATA) GetWindowLong(hWnd,GWL_USERDATA);
   hWndParent = FORWARD_WM_MDIGETACTIVE(hWndClient,SendMessage);
   pData      = LOCKCHILDDATA (hWndParent);

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

   nRet = L_ChannelMix(&pData->LeadBitmap,
                       &pChMix->pColor[0],
                       &pChMix->pColor[1],
                       &pChMix->pColor[2]);

   if(nRet == SUCCESS)
   {
      InvalidateRect(hWndParent, NULL, FALSE);
      StatusProc.ProgressValue = 100;
      Progress_SetPos(StatusProc.ProgWnd , 0);
      if(StatusProc.bEnd)
      {
         StatusProc.bProgress = FALSE;
         StatusProc.bKillProgress = TRUE ;
      }
   }
}