ITS_OP/VmsCamViewer_all/MAIN/FrmCameraViewF.cpp

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "FrmCameraViewF.h"
#include "AppGlobalF.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "cxControls"
#pragma link "cxGraphics"
#pragma link "cxLookAndFeelPainters"
#pragma link "cxLookAndFeels"
#pragma link "cxPC"
#pragma link "cxPCdxBarPopupMenu"
#pragma link "dxSkinsCore"
#pragma link "dxSkinscxPCPainter"
#pragma resource "*.dfm"
TFrmCameraView *FrmCameraView;
//---------------------------------------------------------------------------
__fastcall TFrmCameraView::TFrmCameraView(TComponent* Owner, TcxTabSheet *ASheet, TXView *AObj)
    : TForm(Owner)
{
    FLayout = -1;
    FSheet  = ASheet;
    FView   = AObj;

    Caption = ASheet->Caption;

    TXCctv *pCctv = NULL;
    for (int ii = 0; ii < MAX_CAMERA; ii++)
    {
        if (FView->FCamera[ii].Installed)
            pCctv = XCctvManager->FLists.Find(FView->FCamera[ii].Id);
        else
            pCctv = NULL;

        if (pCctv)
        {
            if (pCctv->StreamingType == ICSVIEW)
            {
                FCameraForm[ii] = new TFrmIcsCamera(this, pCctv, FView->FCamera[ii].Play);
            }
            else
            if (pCctv->StreamingType == SAMSUNG)
            {
                FCameraForm[ii] = new TFrmSamsungCamera(this, pCctv, FView->FCamera[ii].Play);
            }
            else
            {
                FCameraForm[ii] = new TFrmCamera(this, pCctv, FView->FCamera[ii].Play);
            }
        }
        else
        {
            FCameraForm[ii] = new TFrmCamera(this, pCctv, FView->FCamera[ii].Play);
        }
        FCameraForm[ii]->Parent = PnlClient;
    }
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraView::SetLayout(int ALayout)
{
    if (FLayout == ALayout) return;

    switch(ALayout)
    {
    case  0:/* (1 * 1) */ FCols = 1; FRows = 1; break;
    case  1:/* (2 * 2) */ FCols = 2; FRows = 2; break;
    case  2:/* (3 * 3) */ FCols = 3; FRows = 3; break;
    case  3:/* (3 * 2) */ FCols = 3; FRows = 2; break;
    case  4:/* (4 * 3) */ FCols = 4; FRows = 3; break;
    case  5:/* (4 * 4) */ FCols = 4; FRows = 4; break;
    case  6:/* (4 * 5) */ FCols = 4; FRows = 5; break;
    case  7:/* (5 * 4) */ FCols = 5; FRows = 4; break;
    case  8:/* (6 * 4) */ FCols = 6; FRows = 4; break;
    case  9:/* (6 * 5) */ FCols = 6; FRows = 5; break;
    case 10:/* (7 * 6) */ FCols = 7; FRows = 6; break;
    case 11:/* (8 * 7) */ FCols = 8; FRows = 7; break;
    case 12:/* (8 * 8) */ FCols = 8; FRows = 8; break;
    default: ALayout = 0; FCols = 1; FRows = 1; break;
    }
    FLayout = ALayout;
    if (FView)
    {
        FView->Layout = FLayout;
    }
    RecalFormSize();
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraView::RecalFormSize()
{
    int ii;
    int nMaxForm = FCols * FRows;
Application->ProcessMessages();

    for (ii = nMaxForm; ii < MAX_CAMERA; ii++)
    {
        TFrmCamera *pFrmCam = (TFrmCamera*)FCameraForm[ii];
        if (pFrmCam->Visible)
        {
            pFrmCam->Disconnect();
            if (pFrmCam->Showing)
            {
                pFrmCam->TmrStop->Enabled = true;
                pFrmCam->Hide();
            }
        }
    }

    int nRows = 0;
    int nCols = 0;
    int nTop  = 0;
    int nLeft = 0;
    int nTotTop, nTotLeft;

    int nWidth = (PnlClient->Width - FCols+1) / FCols;
    int nHeight= (PnlClient->Height- FRows+1) / FRows;

    try
    {
        LockWindowUpdate(Handle);

        for (ii = 0; ii < nMaxForm; ii++)
        {
            TFrmCamera *pFrmCam = (TFrmCamera*)FCameraForm[ii];
            if (!pFrmCam)
                continue;

            pFrmCam->Width = nWidth;
            pFrmCam->Height= nHeight;

            nTotTop  = (nRows * pFrmCam->Height)+(nTop*(nRows+1));
            nTotLeft = (nCols * pFrmCam->Width)+(nLeft*(nCols+1));
            pFrmCam->Top = nTotTop;
            pFrmCam->Left= nTotLeft;

            if ((ii%FCols) == (FCols-1))
            {
                nRows++;
                nCols = 0;
            }
            else
            {
                nCols++;
            }

            if (!pFrmCam->Showing)
            {
                pFrmCam->Show();
                //pFrmCam->TmrPlay->Enabled = true;
            }
        }
    }
    __finally
    {
        LockWindowUpdate(0);
    }
}
//---------------------------------------------------------------------------

void __fastcall TFrmCameraView::Play()
{
    for (int ii = 0; ii < MAX_CAMERA; ii++)
    {
        TFrmCamera *pFrmCam = (TFrmCamera*)FCameraForm[ii];
        if (!pFrmCam)
            continue;

        if (pFrmCam->FAutoPlay)
        {
            pFrmCam->TmrPlay->Enabled = true;
        }
    }
}
//---------------------------------------------------------------------------
void __fastcall TFrmCameraView::Stop()
{
    for (int ii = 0; ii < MAX_CAMERA; ii++)
    {
        TFrmCamera *pFrmCam = (TFrmCamera*)FCameraForm[ii];
        if (!pFrmCam)
            continue;

        pFrmCam->TmrStop->Enabled = true;
    }
}
//---------------------------------------------------------------------------