www.pudn.com > OpenGL实现三维绘图.rar > WBButton.cpp
// WBButton.cpp :
//
//功能：位图按钮类，实现按钮的位图显示
//修改人：王健
//日期：2001年12月8日
//
#include "stdafx.h"
#include "../Test1.h" //在此加入当前应用类的头文件
#include "WBButton.h"
#include "AutoFont.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
/////////////////////////////////////////////////////////////////////////////
// CWBButton
CWBButton::CWBButton()
{
m_TopHeight = 8;
m_BottomHeight = 8;
m_LeftWidth = 8;
m_RightWidth = 17;
m_State = notInited;
m_pFnt = new CAutoFont("宋体"); // MS Sans Serif");
m_BkColor = RGB(255,0,255);
m_RcId = 0; // Resource ID
m_NumofPics = 0;
}
CWBButton::~CWBButton()
{
NormalBitmap.DeleteObject();
SelectBitmap.DeleteObject();
FocusBitmap.DeleteObject();
DisableBitmap.DeleteObject();
SAFE_DELETE(m_pFnt);
}
BEGIN_MESSAGE_MAP(CWBButton, CButton)
//{{AFX_MSG_MAP(CWBButton)
ON_WM_ERASEBKGND()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
//在对按钮初始化时，自动为按钮属性添加自画属性(OWNERDRAW)
void CWBButton::PreSubclassWindow()
{
SetButtonStyle(GetButtonStyle()|BS_OWNERDRAW);
}
void CWBButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
CDC xdc;
xdc.Attach( lpDrawItemStruct->hDC );
CRect rc;
GetClientRect(rc);
CMemDC dc(&xdc,rc);
UINT state = lpDrawItemStruct->itemState ;
bool IsDisable = false;
if (state & ODS_FOCUS)
{
DrawBitmap( &dc, focus );
if (state & ODS_SELECTED)
{
DrawBitmap( &dc, select );
rc.left += 5;
}
}
else if (state & ODS_DISABLED)
{
IsDisable = true;
DrawBitmap( &dc, disable );
}else{
DrawBitmap( &dc, normal );
}
int imode = dc.SetBkMode(TRANSPARENT);
CFont *pOldFnt = dc.SelectObject(m_pFnt);
COLORREF oldColor;
if(IsDisable)
oldColor = dc.SetTextColor( GetSysColor(COLOR_GRAYTEXT) );
else
oldColor = dc.SetTextColor( m_pFnt->GetFontColor() );
CString txt;
GetWindowText(txt);
dc.DrawText(txt,rc,DT_CENTER | DT_VCENTER | DT_SINGLELINE);
dc.SetTextColor( oldColor );
dc.SelectObject(pOldFnt);
dc.SetBkMode(imode );
}
bool CWBButton::LoadBitmaps
(
UINT id, int count ,
int TopHeight, int BottomHeight, int LeftWidth, int RightWidth
)
{
m_TopHeight = TopHeight;
m_BottomHeight = BottomHeight;
m_LeftWidth = LeftWidth;
m_RightWidth = RightWidth;
m_RcId = id; // Resource ID
m_NumofPics = count;
CBitmap bmp;
if( !bmp.LoadBitmap(id) ) return false;
if( !InitBitmap( bmp, NormalBitmap, 0, count ) ) return false;
if( !InitBitmap( bmp, SelectBitmap, 1, count ) ) return false;
if( !InitBitmap( bmp, DisableBitmap,2, count ) ) return false;
if( !InitBitmap( bmp, FocusBitmap, 3, count ) ) return false;
bmp.DeleteObject();
return true;
}
bool CWBButton::InitBitmap( CBitmap & src, CBitmap & dist, int index, int count )
{
CDC * pDC = GetDC();
CDC memDC;
memDC.CreateCompatibleDC(pDC);
CDC srcDC;
srcDC.CreateCompatibleDC(pDC);
CBitmap* pOldBitmap1;
pOldBitmap1 = srcDC.SelectObject(&src);
BITMAP bmpinfo;
src.GetBitmap(&bmpinfo);
int bmpWidth = bmpinfo.bmWidth / count;
int bmpHeight = bmpinfo.bmHeight;
int orix = bmpWidth * index;
CRect rc;
GetClientRect(rc);
CBitmap* pOldBitmap2;
dist.DeleteObject();
dist.CreateCompatibleBitmap(pDC,rc.Width(),rc.Height());
pOldBitmap2 = memDC.SelectObject(&dist);
// lefttop,leftbottom,righttop,rightbottom
if( !memDC.BitBlt(0,0,m_LeftWidth, m_TopHeight, &srcDC,orix,0,SRCCOPY) ) return false;
if( !memDC.BitBlt(0,rc.bottom - m_BottomHeight,m_LeftWidth, m_BottomHeight,
&srcDC,orix,bmpHeight - m_BottomHeight,SRCCOPY) ) return false;
if( !memDC.BitBlt(rc.right - m_RightWidth, 0 ,m_RightWidth, m_TopHeight,
&srcDC,orix + bmpWidth - m_RightWidth,0,SRCCOPY) ) return false;
if( !memDC.BitBlt(rc.right - m_RightWidth,rc.bottom - m_BottomHeight,m_RightWidth,m_BottomHeight,
&srcDC,orix + bmpWidth - m_RightWidth,bmpHeight - m_BottomHeight,SRCCOPY) ) return false;
// entireimage
memDC.StretchBlt(m_LeftWidth,
m_TopHeight,
rc.Width() - ( m_LeftWidth + m_RightWidth ) ,
rc.Height() - ( m_TopHeight + m_BottomHeight) ,
&srcDC,
orix + m_LeftWidth,
m_TopHeight,
bmpWidth - ( m_LeftWidth + m_RightWidth ) ,
bmpHeight - ( m_TopHeight + m_BottomHeight ) ,SRCCOPY);
// topbar,bottombar( Stretch )
memDC.StretchBlt(m_LeftWidth,0, rc.Width() - (m_LeftWidth + m_RightWidth), m_TopHeight,
&srcDC,orix + m_LeftWidth, 0, bmpWidth - ( m_LeftWidth + m_RightWidth) , m_TopHeight,SRCCOPY);
memDC.StretchBlt(m_LeftWidth, rc.bottom - m_BottomHeight, rc.Width() - ( m_LeftWidth + m_RightWidth), m_BottomHeight,
&srcDC,orix + m_LeftWidth,bmpHeight - m_BottomHeight,bmpWidth - ( m_LeftWidth + m_RightWidth) , m_BottomHeight,SRCCOPY );
// sidebar ( STretch? )
memDC.StretchBlt(0,m_TopHeight,m_LeftWidth,rc.bottom - m_TopHeight - m_BottomHeight ,
&srcDC, orix,m_TopHeight, m_LeftWidth, bmpHeight - ( m_TopHeight + m_BottomHeight ) ,SRCCOPY);
memDC.StretchBlt(rc.right - m_RightWidth ,m_TopHeight,m_RightWidth,rc.bottom - m_TopHeight - m_BottomHeight ,
&srcDC, orix + bmpWidth - m_RightWidth,m_TopHeight, m_RightWidth, bmpHeight - m_TopHeight - m_BottomHeight ,SRCCOPY);
srcDC.SelectObject(pOldBitmap1);
memDC.SelectObject(pOldBitmap2);
ReleaseDC(pDC);
ReleaseDC(&srcDC);
ReleaseDC(&memDC);
m_State = FileLoaded;
return true;
}
void CWBButton::DrawBitmap( CDC * pDC, int mode )
{
if( m_State < FileLoaded ) return;
CRect rc;
GetClientRect(rc);
COLORREF crOldBack = pDC->SetBkColor(WHITE);
COLORREF crOldText = pDC->SetTextColor(BLACK);
CDC dcImage, dcTrans;
// Create two memory dcs for the image and the mask
dcImage.CreateCompatibleDC(pDC);
dcTrans.CreateCompatibleDC(pDC);
// Select the image into the appropriate dc
CBitmap* pOldBitmapImage;
switch(mode)
{
case normal:
pOldBitmapImage = dcImage.SelectObject(&NormalBitmap);
break;
case select:
pOldBitmapImage = dcImage.SelectObject(&SelectBitmap);
break;
case focus:
pOldBitmapImage = dcImage.SelectObject(&FocusBitmap);
break;
case disable:
pOldBitmapImage = dcImage.SelectObject(&DisableBitmap);
break;
default:
return;
}
// Create the mask bitmap
CBitmap bitmapTrans;
int nWidth = rc.Width();
int nHeight = rc.Height();
bitmapTrans.CreateBitmap(nWidth, nHeight, 1, 1, NULL);
// Select the mask bitmap into the appropriate dc
CBitmap* pOldBitmapTrans = dcTrans.SelectObject(&bitmapTrans);
// Build mask based on transparent colour
dcImage.SetBkColor(m_BkColor);
dcTrans.BitBlt(0, 0, nWidth, nHeight, &dcImage, 0, 0, SRCCOPY);
// Do the work - True Mask method - cool if not actual display
pDC->BitBlt(0, 0, nWidth, nHeight, &dcImage, 0, 0, SRCINVERT);
pDC->BitBlt(0, 0, nWidth, nHeight, &dcTrans, 0, 0, SRCAND);
pDC->BitBlt(0, 0, nWidth, nHeight, &dcImage, 0, 0, SRCINVERT);
// Restore settings
dcImage.SelectObject(pOldBitmapImage);
dcTrans.SelectObject(pOldBitmapTrans);
pDC->SetBkColor(crOldBack);
pDC->SetTextColor(crOldText);
}
BOOL CWBButton::OnEraseBkgnd(CDC* pDC)
{
return TRUE;
}
void CWBButton::SetButtonDef( int TopHeight, int BottomHeight, int LeftWidth, int RightWidth )
{
m_TopHeight = TopHeight;
m_BottomHeight = BottomHeight;
m_LeftWidth = LeftWidth;
m_RightWidth = RightWidth;
if( m_RcId != 0 && m_NumofPics != 0 )
{
LoadBitmaps(m_RcId,m_NumofPics,TopHeight,BottomHeight,LeftWidth,RightWidth);
}
}
void CWBButton::SetTextFont( CFont & fnt )
{
LOGFONT lf;
fnt.GetLogFont(&lf);
SAFE_DELETE(m_pFnt);
m_pFnt = new CAutoFont(lf);
}
void CWBButton::SetFontColor( COLORREF color )
{
m_pFnt->SetFontColor(color);
UpdateWindow();
}