videooptions.cpp

一个摄像机的程序

// RenderSoft CamStudio
//
// Copyright 2001 RenderSoft Software & Web Publishing
// 
//
// VideoOptions.cpp : implementation file
//

#include "stdafx.h"
#include "vscap.h"
#include "VideoOptions.h"

#include <mmsystem.h>
#include <vfw.h>
#include <stdio.h>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

extern int timelapse;
extern int frames_per_second;
extern int keyFramesEvery;
extern int compquality;
extern DWORD compfccHandler;

extern ICINFO * compressor_info;
extern int num_compressor;
extern int selected_compressor;
extern CString strCodec;

/////////////////////////////////////////////////////////////////////////////
// CVideoOptions dialog


CVideoOptions::CVideoOptions(CWnd* pParent /*=NULL*/)
	: CDialog(CVideoOptions::IDD, pParent)
{
	//{{AFX_DATA_INIT(CVideoOptions)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CVideoOptions::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CVideoOptions)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CVideoOptions, CDialog)
	//{{AFX_MSG_MAP(CVideoOptions)
	ON_WM_HSCROLL()
	ON_BN_CLICKED(ID_ABOUT, OnAbout)
	ON_CBN_SELCHANGE(IDC_COMPRESSORS, OnSelchangeCompressors)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CVideoOptions message handlers

void CVideoOptions::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	int quality;
	CString qualitystr;
	
	quality = ((CSliderCtrl *) GetDlgItem(IDC_QUALITY_SLIDER))->GetPos();
	qualitystr.Format("%d",quality);
	((CStatic *) GetDlgItem(IDC_QUALITY))->SetWindowText(qualitystr);
	
	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CVideoOptions::OnOK() 
{
	// TODO: Add extra validation here
	CString fps;
	CString keyframes;
	CString timelp;
	CString qualitystr;


	int own_timelapse;
	int own_frames_per_second;
	int own_keyFramesEvery;
	int quality;

	((CEdit *) GetDlgItem(IDC_FPS))->GetWindowText(fps);
	((CEdit *) GetDlgItem(IDC_KEYFRAMES))->GetWindowText(keyframes);
	((CEdit *) GetDlgItem(IDC_KEYFRAMES2))->GetWindowText(timelp);
	((CStatic *) GetDlgItem(IDC_QUALITY))->GetWindowText(qualitystr);

	//Can into local variables first
	sscanf(LPCTSTR(fps),"%d",&own_frames_per_second);
	sscanf(LPCTSTR(keyframes),"%d",&own_keyFramesEvery);
	sscanf(LPCTSTR(timelp),"%d",&own_timelapse);
	sscanf(LPCTSTR(qualitystr),"%d",&quality);

	if (own_timelapse<0) {

		MessageBox("Timelapse for each frame cannot be less than 0 milliseconds.","Note",MB_OK);
		return;
	}
	
	if (own_timelapse>7200000) {

		MessageBox("Timelapse for each frame cannot be more than 7200000 milliseconds (2 hours).","Note",MB_OK);
		return;
	}

	if ((own_keyFramesEvery<1) || (own_keyFramesEvery>200)) {

		char tempstr[300];
		sprintf(tempstr,"Key frames cannot be set for every %d frames. Please enter a value in the range 1 to 200.",own_keyFramesEvery);
		MessageBox(tempstr,"Note",MB_OK);
		return;
	}

	if ((own_frames_per_second<1) || (own_frames_per_second>200)) {

		char tempstr[300];
		sprintf(tempstr,"Playback Rate cannot be set to %d frames per second. Please enter a value in the range 1 to 200.",own_frames_per_second);
		MessageBox(tempstr,"Note",MB_OK);
		return;
	}


	 //Verification Passed..Setting Global Values
	 timelapse = own_timelapse;
	 frames_per_second =own_frames_per_second;
	 keyFramesEvery =own_keyFramesEvery;


	 compquality = quality * 100;

	
	int sel = ((CComboBox *) GetDlgItem(IDC_COMPRESSORS))->GetCurSel();
	if (sel != CB_ERR)  {
		compfccHandler = compressor_info[sel].fccHandler;
		strCodec = CString(compressor_info[sel].szDescription); 		
		selected_compressor = sel;

	}
	//else
	//	selected_compressor = -1;
	
	CDialog::OnOK();
}

BOOL CVideoOptions::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	CString fps;
	CString keyframes;
	CString timelp;
	CString qualitystr;
	int quality;

	quality = compquality/100;

	fps.Format("%d",frames_per_second);
	keyframes.Format("%d",keyFramesEvery);
	timelp.Format("%d",timelapse);
	qualitystr.Format("%d",quality);

	((CEdit *) GetDlgItem(IDC_FPS))->SetWindowText(fps);
	((CEdit *) GetDlgItem(IDC_KEYFRAMES))->SetWindowText(keyframes);
	((CEdit *) GetDlgItem(IDC_KEYFRAMES2))->SetWindowText(timelp);
	((CStatic *) GetDlgItem(IDC_QUALITY))->SetWindowText(qualitystr);

	((CSliderCtrl *) GetDlgItem(IDC_QUALITY_SLIDER))->SetRange(1,100,TRUE);
	((CSliderCtrl *) GetDlgItem(IDC_QUALITY_SLIDER))->SetPos(quality);


	if (num_compressor>0) {

		int sel = -1;
		for (int i=0; i<num_compressor;i++) {

			CString cname(compressor_info[i].szDescription);
			((CComboBox *) GetDlgItem(IDC_COMPRESSORS))->AddString(cname);
			
			if (compfccHandler == compressor_info[i].fccHandler) {

				sel = i;

			}

		}


		if (sel == -1)
		{
				sel = 0;
				compfccHandler = compressor_info[sel].fccHandler;
		}

		
		((CComboBox *) GetDlgItem(IDC_COMPRESSORS))->SetCurSel(sel);

		RefreshCompressorButtons(); 
		
	}	

	
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}



void CVideoOptions::RefreshCompressorButtons() 
{

	int sel = ((CComboBox *) GetDlgItem(IDC_COMPRESSORS))->GetCurSel();
	if (sel != CB_ERR)  {
		
	
		HIC hic = ICOpen(compressor_info[sel].fccType, compressor_info[sel].fccHandler, ICMODE_QUERY);
		if (hic) {
			
				
			if (ICQueryAbout(hic)) 
				((CButton *) GetDlgItem(ID_ABOUT))->EnableWindow(TRUE);
			else
				((CButton *) GetDlgItem(ID_ABOUT))->EnableWindow(FALSE);

			//if (ICQueryConfigure(hic)) 
			//	((CButton *) GetDlgItem(ID_CONFIGURE))->EnableWindow(TRUE);
			//else
			//	((CButton *) GetDlgItem(ID_CONFIGURE))->EnableWindow(FALSE);	
			
			
			ICClose(hic);
		}


	}

}

void CVideoOptions::OnAbout() 
{
	// TODO: Add your control notification handler code here
	int sel = ((CComboBox *) GetDlgItem(IDC_COMPRESSORS))->GetCurSel();
	if (sel != CB_ERR)  {
		
	
		HIC hic = ICOpen(compressor_info[sel].fccType, compressor_info[sel].fccHandler, ICMODE_QUERY);
		if (hic) {			
				
			ICAbout(hic,m_hWnd);			
			ICClose(hic);
		}


	}
	
}

void CVideoOptions::OnSelchangeCompressors() 
{
	// TODO: Add your control notification handler code here
	RefreshCompressorButtons(); 
	
}