frmmain.cpp

Led识别与统计系统,基于DELPHI 7.0下

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

#include <vcl.h>
#pragma hdrstop

#include "frmMain.h"
#include "Properties.h"

//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma link "HVDEVICELib_OCX"
#pragma resource "*.dfm"
TMainFrm *MainFrm;
//---------------------------------------------------------------------------
__fastcall TMainFrm::TMainFrm(TComponent* Owner):
TForm(Owner),
fContinuousGrabActive(false)
{
}
//---------------------------------------------------------------------------
void __fastcall TMainFrm::ExitClick(TObject *Sender)
{
    Close();
}
//---------------------------------------------------------------------------
void __fastcall TMainFrm::SingleGrabClick(TObject *Sender)
{
    HVDevice->GrabSingle();
    HVDevice->Draw(0, 0, HVDevice->Width, HVDevice->Height,
            0, 0, HVDevice->Width, HVDevice->Height);
}
//---------------------------------------------------------------------------

void __fastcall TMainFrm::ContinuousGrabClick(TObject *Sender)
{
    HVDevice->GrabContinuous();
    fContinuousGrabActive = true;
    Timer->Enabled = true;
}
//---------------------------------------------------------------------------

void __fastcall TMainFrm::CancelGrabClick(TObject *Sender)
{
    HVDevice->GrabCancel();
    fContinuousGrabActive = false;
    Timer->Enabled = false;
}
//---------------------------------------------------------------------------

void __fastcall TMainFrm::AutoWhiteBalanceClick(TObject *Sender)
{
    HVDevice->AutoWhiteBalance();
    fContinuousGrabActive = true;
    Timer->Enabled = true;
}
//---------------------------------------------------------------------------


void __fastcall TMainFrm::HVDeviceGrabContinuousChange(TObject *Sender)
{
    HVDevice->Draw(0, 0, HVDevice->Width, HVDevice->Height,
            0, 0, HVDevice->Width, HVDevice->Height);
    HVDevice->Continue();
}
//---------------------------------------------------------------------------

void __fastcall TMainFrm::TimerTimer(TObject *Sender)
{
    StatusBar->Panels->Items[1]->Text = FormatFloat("#.##", HVDevice->GetFrameRate());
}
//---------------------------------------------------------------------------

void __fastcall TMainFrm::FormClose(TObject *Sender, TCloseAction &Action)
{
    if (fContinuousGrabActive)
    {
        HVDevice->GrabCancel();
        Timer->Enabled = false;
    }
}
//---------------------------------------------------------------------------



void __fastcall TMainFrm::PropertiesClick(TObject *Sender)
{
    frmProperties->ShowModal();
}
//---------------------------------------------------------------------------