www.pudn.com > jpegapi.zip > testDlg.cpp

//================================ 
// Demo Program of JPEG API 
// Design: He Lingsong 
// 1999.12.20 
//================================ 
#include  
#include "stdafx.h" 
#include "test.h" 
#include "testDlg.h" 
#include "jpgdll.h"   // Include JPEG API header file 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
CTestDlg::CTestDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CTestDlg::IDD, pParent) 
{   //{{AFX_DATA_INIT(CTestDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CTestDlg::DoDataExchange(CDataExchange* pDX) 
{	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CTestDlg) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CTestDlg, CDialog) 
	//{{AFX_MSG_MAP(CTestDlg) 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_COMMAND(ID_MENUITEM32771, OnMenuitem32771) 
	ON_COMMAND(ID_MENUITEM32772, OnMenuitem32772) 
	ON_COMMAND(ID_EXIT, OnExit) 
	ON_COMMAND(ID_BMP_READBIRDBMP, OnBmpReadbirdbmp) 
	ON_COMMAND(ID_BMP_SAVETOBIRD1BMP, OnBmpSavetobird1bmp) 
	ON_COMMAND(ID_FILE_JPEGTOBMP, OnFileJpegtobmp) 
	ON_COMMAND(ID_FILE_BMPTOJPEG, OnFileBmptojpeg) 
	ON_COMMAND(ID_CLIPBOARD_COPYTOCLIPBOARD, OnClipboardCopytoclipboard) 
	ON_COMMAND(ID_CLIPBOARD_CLIPBOARDTOJPEG, OnClipboardClipboardtojpeg) 
	ON_COMMAND(ID_CLIPBOARD_CLIPBOARDTOBMP, OnClipboardClipboardtobmp) 
	ON_COMMAND(ID_CLIPBOARD_COPYAREATOCLIPBOARD, OnClipboardCopyareatoclipboard) 
	ON_COMMAND(ID_CLIPBOARD_PASTEAREATOBIRD3JPG, OnClipboardPasteareatobird3jpg) 
	ON_COMMAND(ID_CLIPBOARD_COPYAREATOBIRD3BMP, OnClipboardCopyareatobird3bmp) 
	ON_COMMAND(ID_MENUITEM32793, OnMenuitem32793) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTestDlg message handlers 
 
void CTestDlg::OnPaint()  
{ if (IsIconic()) 
   { CPaintDC dc(this); 
     SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
     int cxIcon = GetSystemMetrics(SM_CXICON); 
	 int cyIcon = GetSystemMetrics(SM_CYICON); 
	 CRect rect;  GetClientRect(&rect); 
	 int x = (rect.Width() - cxIcon + 1) / 2; 
	 int y = (rect.Height() - cyIcon + 1) / 2; 
     dc.DrawIcon(x, y, m_hIcon); 
	} 
	else {CDialog::OnPaint();} 
} 
 
HCURSOR CTestDlg::OnQueryDragIcon() 
{return (HCURSOR) m_hIcon;} 
 
//================================================================= 
BOOL CTestDlg::OnInitDialog() 
{CDialog::OnInitDialog(); 
 SetIcon(m_hIcon, TRUE); 
 SetIcon(m_hIcon, FALSE); 
 init_jpeg();                 // init JPEG API Libary 
 return TRUE;   
} 
 
void CTestDlg::OnExit()  
{CDialog::OnOK();} 
 
void CTestDlg::OnMenuitem32771()         // Open a jpeg file 
{long hl; hl=findwindow("JPEG API"); 
 showjpg("birdc.jpg",hl,2,2); 
} 
 
void CTestDlg::OnMenuitem32772()         // Copy Window to a jpeg file  
{long hl; hl=findwindow("JPEG API"); 
 copy_to_jpeg(hl,"bird1.jpg",1,75); 
} 
 
void CTestDlg::OnBmpReadbirdbmp() // Read BMP file 
{long hl; hl=findwindow("JPEG API"); 
 show_bmp("bird.bmp",hl,2,2); 
} 
 
void CTestDlg::OnMenuitem32793()  
{long hl; hl=findwindow("JPEG API"); 
 showjpg("girl1.jpg",hl,2,2); 
} 
 
void CTestDlg::OnBmpSavetobird1bmp() // Save to BMP 
{long hl; hl=findwindow("JPEG API"); 
 copy_to_bmp((long)(hl),"bird1.bmp",1); 
} 
 
void CTestDlg::OnFileJpegtobmp() // JPEG to BMP 
{jpg_to_bmp("bird.jpg","bird1.bmp");} 
 
void CTestDlg::OnFileBmptojpeg() // BMP to JPEG 
{bmp_to_jpg("bird.bmp","bird1.jpg",75);} 
 
void CTestDlg::OnClipboardCopytoclipboard() // Copy to Clipboard 
{long hl; hl=findwindow("JPEG API"); 
 to_clip(hl,0); 
} 
 
void CTestDlg::OnClipboardClipboardtojpeg() // Clipboard to JPEG 
{long hl; hl=findwindow("JPEG API"); 
 clip_to_jpeg("bird2.jpg",hl,75); 
} 
 
void CTestDlg::OnClipboardClipboardtobmp()  // Clipboard to BMP 
{long hl; hl=findwindow("JPEG API"); 
 clip_to_bmp("bird2.bmp",hl); 
} 
 
void CTestDlg::OnClipboardCopyareatoclipboard() // Copy Area 
{long hl; hl=findwindow("JPEG API"); 
 Area_Copy(hl,0,0,300,400); 
} 
 
void CTestDlg::OnClipboardPasteareatobird3jpg() // Copy Area to a JPEG file 
{long hl; hl=findwindow("JPEG API"); 
 Area_to_jpeg(hl,0,0,300,400,"bird3.jpg",75); 
} 
 
void CTestDlg::OnClipboardCopyareatobird3bmp()  // Copy Area to a BMP file 
{long hl; hl=findwindow("JPEG API"); 
 Area_to_bmp(hl,0,0,300,400,"bird3.bmp"); 
}