www.pudn.com > PSheets.rar > PSheetsview.cpp

// PSheetsView.cpp : implementation of the CPSheetsView class 
// 
///////////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "resource.h" 
#include "PSheetsView.h" 
 
CPSheetsView::CPSheetsView() : m_nColor(0), m_nPicture(0) 
{ 
} 
 
CPSheetsView::~CPSheetsView() 
{ 
} 
 
BOOL CPSheetsView::PreTranslateMessage(MSG* pMsg) 
{ 
    pMsg; 
    return FALSE; 
} 
 
BOOL CPSheetsView::OnEraseBkgnd ( HDC hdc ) 
{ 
CDCHandle dc = hdc; 
CDC dcMem; 
CBitmap bmpMem; 
CRect rcClient; 
CBitmapHandle bmpOld, bmpOld2; 
 
    if ( m_bmpBkgnd.IsNull() ) 
        { 
        switch ( m_nPicture ) 
            { 
            case 0: m_bmpBkgnd.LoadBitmap ( IDB_ALYSON );    break; 
            case 1: m_bmpBkgnd.LoadBitmap ( IDB_THECHEAT );  break; 
            case 2: m_bmpBkgnd.LoadBitmap ( IDB_STRONGBAD ); break; 
            } 
 
        if ( m_bmpBkgnd ) 
            m_bmpBkgnd.GetSize ( m_szBkgndBitmap ); 
        } 
 
    GetClientRect ( rcClient ); 
 
    dcMem.CreateCompatibleDC ( dc ); 
    bmpMem.CreateCompatibleBitmap ( dc, rcClient.Width(), rcClient.Height() ); 
 
    bmpOld = dcMem.SelectBitmap ( bmpMem ); 
 
    switch ( m_nColor ) 
        { 
        case 0: dcMem.FillSolidRect ( rcClient, RGB(0,0,128) ); break; 
        case 1: dcMem.FillSolidRect ( rcClient, RGB(255,153,0) ); break; 
 
        case 2: 
            { 
            TRIVERTEX atv[] = { 
                { rcClient.left, rcClient.top, 0xff00, 0, 0 },    // 0 top left (red) 
                { rcClient.right, rcClient.bottom, 0, 0, 0xff00 } // 1 bottom right (blue) 
                }; 
            GRADIENT_RECT gt = { 0, 1 }; 
 
            dcMem.GradientFill ( atv, countof(atv), >, 1, GRADIENT_FILL_RECT_H ); 
            } 
        break; 
        } 
 
    if ( m_bmpBkgnd ) 
        { 
        CDC dcPicture; 
        int x, y, cx, cy; 
 
        dcPicture.CreateCompatibleDC ( dc ); 
        bmpOld2 = dcPicture.SelectBitmap ( m_bmpBkgnd ); 
 
        cx = m_szBkgndBitmap.cx; 
        cy = m_szBkgndBitmap.cy; 
 
        x = rcClient.Width() - cx; 
        y = rcClient.Height() - cy; 
         
        dcMem.BitBlt ( x, y, cx, cy, dcPicture, 0, 0, SRCCOPY ); 
 
        dcPicture.SelectBitmap ( bmpOld2 ); 
        } 
 
    dc.BitBlt ( 0, 0, rcClient.Width(), rcClient.Height(), dcMem, 0, 0, SRCCOPY ); 
    dc.SelectBitmap ( bmpOld ); 
    return TRUE; 
} 
 
void CPSheetsView::SetBackgroundOptions ( int nColor, int nPicture ) 
{ 
    if ( m_nColor != nColor ) 
        m_nColor = nColor; 
 
    if ( m_nPicture != nPicture ) 
        { 
        m_nPicture = nPicture; 
 
        if ( m_bmpBkgnd ) 
            m_bmpBkgnd.DeleteObject(); 
        } 
 
    RedrawWindow(); 
}