www.pudn.com > Demo_Palette.rar > Demo_PaletteView.cpp

// Demo_PaletteView.cpp : implementation of the CDemo_PaletteView class 
// 
 
#include "stdafx.h" 
#include "Demo_Palette.h" 
 
#include "Demo_PaletteDoc.h" 
#include "Demo_PaletteView.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemo_PaletteView 
 
IMPLEMENT_DYNCREATE(CDemo_PaletteView, CFormView) 
 
BEGIN_MESSAGE_MAP(CDemo_PaletteView, CFormView) 
	//{{AFX_MSG_MAP(CDemo_PaletteView) 
	ON_BN_CLICKED(IDC_COLOR, OnColor) 
	ON_BN_CLICKED(IDC_PALETTE, OnPalette) 
	//}}AFX_MSG_MAP 
	// Standard printing commands 
	ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint) 
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemo_PaletteView construction/destruction 
 
CDemo_PaletteView::CDemo_PaletteView() 
	: CFormView(CDemo_PaletteView::IDD) 
{ 
	//{{AFX_DATA_INIT(CDemo_PaletteView) 
	m_nRed = 0; 
	m_nGreen = 0; 
	m_nBlue = 0; 
	//}}AFX_DATA_INIT 
	// TODO: add construction code here 
 
} 
 
CDemo_PaletteView::~CDemo_PaletteView() 
{ 
} 
 
void CDemo_PaletteView::DoDataExchange(CDataExchange* pDX) 
{ 
	CFormView::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CDemo_PaletteView) 
	DDX_Text(pDX, IDC_EDIT1, m_nRed); 
	DDX_Text(pDX, IDC_EDIT2, m_nGreen); 
	DDX_Text(pDX, IDC_EDIT3, m_nBlue); 
	//}}AFX_DATA_MAP 
} 
 
BOOL CDemo_PaletteView::PreCreateWindow(CREATESTRUCT& cs) 
{ 
	// TODO: Modify the Window class or styles here by modifying 
	//  the CREATESTRUCT cs 
 
	return CFormView::PreCreateWindow(cs); 
} 
 
void CDemo_PaletteView::OnInitialUpdate() 
{ 
	CFormView::OnInitialUpdate(); 
	GetParentFrame()->RecalcLayout(); 
	ResizeParentToFit(); 
	CMenu *pSysMenu=GetSystemMenu(FALSE); 
	if(pSysMenu!=NULL) 
	{ 
	  CString strAboutMenu; 
	  strAboutMenu.LoadString(IDD_ABOUTBOX); 
	  if(!strAboutMenu.IsEmpty()) 
	  { 
	    pSysMenu->AppendMenu(MF_SEPARATOR); 
         pSysMenu->AppendMenu(MF_STRING,IDD_ABOUTBOX,strAboutMenu); 
 
	  } 
	} 
	//chuangjiantiaoseban 
	PLOGPALETTE  lp; 
	HANDLE hPal; 
	hPal=GlobalAlloc(GMEM_MOVEABLE,sizeof(LOGPALETTE)+256*sizeof(PALETTEENTRY)); 
	lp=(LPLOGPALETTE)GlobalLock(hPal); 
	lp->palVersion=0x300; 
	lp->palNumEntries=256; 
	int i; 
	for(i=0;i<256;i++) 
	{ 
	   lp->palPalEntry[i].peBlue=0; 
	    lp->palPalEntry[i].peGreen=0; 
		 lp->palPalEntry[i].peRed=0; 
		  lp->palPalEntry[i].peFlags=0; 
	   
	} 
	//创建85种红，绿，蓝颜色 
	for(i=0;i<85;i++) 
	{ 
	   lp->palPalEntry[i].peRed=(BYTE)i*3; 
       lp->palPalEntry[i].peFlags=0; 
       lp->palPalEntry[i+86].peBlue=(BYTE)i*3; 
       lp->palPalEntry[i+86].peFlags=0; 
	   lp->palPalEntry[i+171].peRed=(BYTE)i*3; 
	   lp->palPalEntry[i+171].peFlags=0; 
	} 
	m_pPalette=new CPalette; 
	m_pPalette->CreatePalette(lp); 
	GlobalUnlock(hPal); 
	delete m_pPalette;  //释放内存 
 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemo_PaletteView printing 
 
BOOL CDemo_PaletteView::OnPreparePrinting(CPrintInfo* pInfo) 
{ 
	// default preparation 
	return DoPreparePrinting(pInfo); 
} 
 
void CDemo_PaletteView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add extra initialization before printing 
} 
 
void CDemo_PaletteView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add cleanup after printing 
} 
 
void CDemo_PaletteView::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/) 
{ 
	// TODO: add customized printing code here 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemo_PaletteView diagnostics 
 
#ifdef _DEBUG 
void CDemo_PaletteView::AssertValid() const 
{ 
	CFormView::AssertValid(); 
} 
 
void CDemo_PaletteView::Dump(CDumpContext& dc) const 
{ 
	CFormView::Dump(dc); 
} 
 
CDemo_PaletteDoc* CDemo_PaletteView::GetDocument() // non-debug version is inline 
{ 
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDemo_PaletteDoc))); 
	return (CDemo_PaletteDoc*)m_pDocument; 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CDemo_PaletteView message handlers 
 
void CDemo_PaletteView::OnColor()  
{ 
	// TODO: Add your control notification handler code here 
	int m_nFlag =1; 
	CColorDialog m_Dlg(0,0,NULL); 
	if(m_Dlg.DoModal()==IDOK) 
	{ 
	  m_color=m_Dlg.GetColor(); 
	  OnView(); 
	} 
	 
} 
 
void CDemo_PaletteView::OnPalette()  
{ 
	// TODO: Add your control notification handler code here 
	m_nFlag=0; 
	m_color=RGB(m_nRed,m_nGreen,m_nBlue); 
	OnView(); 
	 
} 
void CDemo_PaletteView::OnView() 
{ 
  this->UpdateData(TRUE); 
  CClientDC dc(this); 
  if(m_nFlag==0)//使用调色板 
	m_color=RGB(m_nRed,m_nGreen,m_nBlue); 
  if(m_nFlag==1)//使用颜色表对话框 
	  m_color=m_color; 
      dc.SelectPalette(m_pPalette,FALSE); //选择调色版 
	  dc.RealizePalette();               //实现调色板 
	  CRect rect; 
	  CBrush brush(m_color); 
	  this->GetClientRect(&rect); 
	  CGdiObject*pOldObject=dc.SelectObject(&brush); 
	  dc.Rectangle(rect.top,rect.left,rect.bottom,rect.right); 
	  dc.SelectObject(pOldObject); 
 
 
}