xshadebutton.cpp

一个通过远程给制定的数据库进行远程备份的源代码~~

	RGBQUAD pal[256];
	RGBQUAD* ppal;
	BYTE* iDst;
	int ni;
	ppal=(RGBQUAD*)&pal[0];
	iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
	for (ni=0;ni<m_nColors;ni++){ pal[ni]=RGB2RGBQUAD(RGB(ni,ni,ni));}
	pal[0]=RGB2RGBQUAD(RGB(0,0,0));
	pal[m_nColors-1]=RGB2RGBQUAD(RGB(255,255,255));
	memcpy(iDst,ppal,GetPaletteSize());
	return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::BlendPalette(COLORREF cr,long perc)
{
	if ((hDib==NULL)||(m_nColors==0)) return;
	BYTE* iDst = (BYTE*)(hDib) + sizeof(BITMAPINFOHEADER);
	long i,r,g,b;
	RGBQUAD* pPal=(RGBQUAD*)iDst;
	r = GetRValue(cr);
	g = GetGValue(cr);
	b = GetBValue(cr);
	if (perc>100) perc=100;
	for(i=0;i<m_nColors;i++){
		pPal[i].rgbBlue=(BYTE)((pPal[i].rgbBlue*(100-perc)+b*perc)/100);
		pPal[i].rgbGreen =(BYTE)((pPal[i].rgbGreen*(100-perc)+g*perc)/100);
		pPal[i].rgbRed =(BYTE)((pPal[i].rgbRed*(100-perc)+r*perc)/100);
	}
	return;
}
/////////////////////////////////////////////////////////////////////
long CxDib::WriteBMP(LPSTR bmpFileName)
{                         
	if ((*bmpFileName=='\0')||(hDib==0)) return 0;
	BITMAPFILEHEADER	hdr;
	HANDLE	hFile;
	DWORD	nByteWrite;

	hFile=CreateFile(			// open if exist ini file
		bmpFileName,				// pointer to name of the file 
		GENERIC_WRITE,			// access mode 
		0,						// share mode 
		NULL,					// pointer to security descriptor 
		TRUNCATE_EXISTING,		// how to create 
		FILE_ATTRIBUTE_NORMAL,	// file attributes 
		NULL				 	// handle to file with attributes to copy  
		);
	if (hFile==INVALID_HANDLE_VALUE) return 0;	//check if file exist

    /* Fill in the fields of the file header */
	hdr.bfType = BFT_BITMAP;
	hdr.bfSize = GetSize() + sizeof(BITMAPFILEHEADER);
	hdr.bfReserved1 = hdr.bfReserved2 = 0;
	hdr.bfOffBits = (DWORD) sizeof(BITMAPFILEHEADER)+
					m_bi.biSize + GetPaletteSize();

    // Write the file header
	WriteFile(			// write ini (sync mode <-> no overlapped)
		hFile,			// handle of file to write 
		(LPSTR) &hdr,	// address of buffer that contains data  
		sizeof(BITMAPFILEHEADER),	// number of bytes to write 
		&nByteWrite,	// address of number of bytes written 
		NULL	 		// address of structure for data 
		);

    // Write the DIB header and the bits
	WriteFile(			// write ini (sync mode <-> no overlapped)
		hFile,			// handle of file to write 
		(LPSTR) hDib,	// address of buffer that contains data  
		GetSize(),		// number of bytes to write 
		&nByteWrite,	// address of number of bytes written 
		NULL	 		// address of structure for data 
		);

	CloseHandle(hFile);		//free file handle
	return 1;
}
/////////////////////////////////////////////////////////////////////
long CxDib::GetSize()
{
	return m_bi.biSize + m_bi.biSizeImage + GetPaletteSize();
}
/////////////////////////////////////////////////////////////////////
BOOL CxDib::IsValid()
{
	return (hDib!=NULL);
}
/////////////////////////////////////////////////////////////////////
void CxDib::Clone(CxDib *src)
{
 	Create(src->GetWidth(),src->GetHeight(),src->GetBitCount());
 	if (hDib) memcpy(hDib,src->hDib,GetSize());
	return;
}
/////////////////////////////////////////////////////////////////////
void CxDib::Clear(BYTE bval)
{
	if (hDib) memset(GetBits(),bval,m_bi.biSizeImage);
}
/////////////////////////////////////////////////////////////////////




/////////////////////////////////////////////////////////////////////////////
// CxShadeButton
CxShadeButton::CxShadeButton()
{
	m_Border=1;				//draw 3D border
	m_FocusRectMargin=4;	//focus dotted rect margin
	m_TextColor=GetSysColor(COLOR_BTNTEXT); // default button text color
	m_button_down = m_tracking = false;
}

/////////////////////////////////////////////////////////////////////////////
CxShadeButton::~CxShadeButton()
{ }

/////////////////////////////////////////////////////////////////////////////
BEGIN_MESSAGE_MAP(CxShadeButton, CButton)
	//{{AFX_MSG_MAP(CxShadeButton)
	ON_WM_ERASEBKGND()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDBLCLK()
	ON_WM_KILLFOCUS()
    ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
	//ON_CONTROL_REFLECT_EX(BN_CLICKED, OnClicked)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CxShadeButton message handlers
/////////////////////////////////////////////////////////////////////////////
BOOL CxShadeButton::OnEraseBkgnd(CDC* pDC) 
{
	return 1;	// doesn't erase the button background
}

/////////////////////////////////////////////////////////////////////////////
//加入此涵数，在其中为按钮属性初始化时自动添加自画属性(OWNERDRAW)
/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::PreSubclassWindow() 
{
    SetButtonStyle(GetButtonStyle()|BS_OWNERDRAW);
}

/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
    ASSERT (lpDrawItemStruct);
    //TRACE("* Captured: %08X\n", ::GetCapture());

    //Check if the button state in not in inconsistent mode...
    POINT mouse_position;
    if ((m_button_down) && (::GetCapture() == m_hWnd) && (::GetCursorPos(&mouse_position))){
		if (::WindowFromPoint(mouse_position) == m_hWnd){
			if ((GetState() & BST_PUSHED) != BST_PUSHED) {
				//TRACE("* Inconsistency up detected! Fixing.\n");
				SetState(TRUE);
				return;
			}
		} else {
			if ((GetState() & BST_PUSHED) == BST_PUSHED) {
				//TRACE("* Inconsistency up detected! Fixing.\n");
				SetState(FALSE);
				return;
			}
		}
	}
	
    //TRACE("* Drawing: %08x\n", lpDrawItemStruct->itemState);
	CString sCaption;
	TEXTMETRIC tm;

	CDC *pDC = CDC::FromHandle(lpDrawItemStruct->hDC);	// get device context
	RECT r=lpDrawItemStruct->rcItem;					// context rectangle
	int cx = r.right  - r.left ;						// get width
	int cy = r.bottom - r.top  ;						// get height


	GetWindowText(sCaption);							// get button text
	pDC->SetBkMode(TRANSPARENT);
	pDC->SelectObject(GetStockObject(DEFAULT_GUI_FONT)); //get text font
	pDC->GetTextMetrics(&tm);							// get font metrics
	// get top-left corner to draw the text centered on the button
	int tx=(cx-tm.tmAveCharWidth*sCaption.GetLength())/2;
	int ty=(cy-tm.tmHeight)/2;

	// Select the correct skin 
	if (lpDrawItemStruct->itemState & ODS_DISABLED){	// DISABLED BUTTON
		if(!m_dDisabled.IsValid())
			 // no skin selected for disabled state -> standard button
			pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE));
		else // paint the skin
			m_dDisabled.Draw(pDC->GetSafeHdc(),0,0);
		// if needed, draw the standard 3D rectangular border
		if (m_Border) pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT);
		// paint the etched button text
		pDC->SetTextColor(GetSysColor(COLOR_3DHILIGHT));
		pDC->ExtTextOut(tx+1,ty+1,ETO_CLIPPED,&r,sCaption,NULL);
		pDC->SetTextColor(GetSysColor(COLOR_GRAYTEXT));
		pDC->ExtTextOut(tx,ty,ETO_CLIPPED,&r,sCaption,NULL);
	} else {
//---------------------------------------------------------------------------
		if (lpDrawItemStruct->itemState & ODS_SELECTED){ //SELECTED (DOWN) BUTTON
			if(!m_dDown.IsValid())
				 // no skin selected for selected state -> standard button
				pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE));
            else { // paint the skin
				m_dDown.Draw(pDC->GetSafeHdc(),1,1);
            }
			// if needed, draw the standard 3D rectangular border
			if (m_Border) pDC->DrawEdge(&r,EDGE_SUNKEN,BF_RECT);
		} else {
//---------------------------------------------------------------------------
			if(!m_dNormal.IsValid())					// DEFAULT BUTTON
				 // no skin selected for normal state -> standard button
				pDC->FillSolidRect(&r,GetSysColor(COLOR_BTNFACE));
			else // paint the skin
                if ((m_tracking)&&(m_dOver.IsValid())){
					m_dOver.Draw(pDC->GetSafeHdc(),0,0);
				} else {
					m_dNormal.Draw(pDC->GetSafeHdc(),0,0);
				}
			// if needed, draw the standard 3D rectangular border
				if (m_Border){
					if (lpDrawItemStruct->itemState & ODS_DEFAULT){
						pDC->DrawEdge(&r,EDGE_SUNKEN,BF_RECT);
						r.left   += 1;
						r.top    += 1;
						r.right  -= 1;
						r.bottom -= 1;
						pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT);
					} else {
						pDC->DrawEdge(&r,EDGE_RAISED,BF_RECT);
					}
				}
//---------------------------------------------------------------------------
		}

		// paint the focus rect
		if ((lpDrawItemStruct->itemState & ODS_FOCUS)&&(m_FocusRectMargin>0)){
			r.left   += m_FocusRectMargin ;
			r.top    += m_FocusRectMargin ;
			r.right  -= m_FocusRectMargin ;
			r.bottom -= m_FocusRectMargin ;
			m_dh.Draw(pDC->GetSafeHdc(),r.left,r.top);
			m_dh.Draw(pDC->GetSafeHdc(),1+r.left,r.bottom);
			m_dv.Draw(pDC->GetSafeHdc(),r.left,1+r.top);
			m_dv.Draw(pDC->GetSafeHdc(),r.right,r.top);
		}

		// paint the enabled button text
		pDC->SetTextColor(m_TextColor);
		pDC->ExtTextOut(tx,ty,ETO_CLIPPED,&r,sCaption,NULL);
	}
}

/////////////////////////////////////////////////////////////////////////////
void CxShadeButton::SetShade(UINT shadeID,BYTE granularity,BYTE highlight,BYTE coloring,COLORREF color)
{
	long	sXSize,sYSize,bytes,j,i,k,h;
	BYTE	*iDst ,*posDst;
	
	RECT rect;
	GetWindowRect(&rect);
	sYSize=rect.bottom-rect.top;
	sXSize=rect.right-rect.left ;

	m_dh.Create(max(1,sXSize-2*m_FocusRectMargin),1,8);	//create the horizontal focus bitmap
	m_dv.Create(1,max(1,sYSize-2*m_FocusRectMargin),8);	//create the vertical focus bitmap

	m_dNormal.Create(sXSize,sYSize,8);					//create the default bitmap

	COLORREF hicr=GetSysColor(COLOR_BTNHIGHLIGHT);		//get the button base colors
	COLORREF midcr=GetSysColor(COLOR_BTNFACE);
	COLORREF locr=GetSysColor(COLOR_BTNSHADOW);
	long r,g,b;											//build the shaded palette
	for(i=0;i<129;i++){
		r=((128-i)*GetRValue(locr)+i*GetRValue(midcr))/128;
		g=((128-i)*GetGValue(locr)+i*GetGValue(midcr))/128;
		b=((128-i)*GetBValue(locr)+i*GetBValue(midcr))/128;
		m_dNormal.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b);
		m_dh.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b);
		m_dv.SetPaletteIndex((BYTE)i,(BYTE)r,(BYTE)g,(BYTE)b);
	}
	for(i=1;i<129;i++){
		r=((128-i)*GetRValue(midcr)+i*GetRValue(hicr))/128;
		g=((128-i)*GetGValue(midcr)+i*GetGValue(hicr))/128;
		b=((128-i)*GetBValue(midcr)+i*GetBValue(hicr))/128;
		m_dNormal.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b);
		m_dh.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b);
		m_dv.SetPaletteIndex((BYTE)(i+127),(BYTE)r,(BYTE)g,(BYTE)b);
	}

	m_dNormal.BlendPalette(color,coloring);	//color the palette

	iDst=m_dh.GetBits();		//build the horiz. dotted focus bitmap
	j=(long)m_dh.GetWidth();
	for(i=0;i<j;i++){
//		iDst[i]=64+127*(i%2);	//soft
		iDst[i]=255*(i%2);		//hard
	}

	iDst=m_dv.GetBits();		//build the vert. dotted focus bitmap
	j=(long)m_dv.GetHeight();
	for(i=0;i<j;i++){
//		*iDst=64+127*(i%2);		//soft
		*iDst=255*(i%2);		//hard
		iDst+=4;
	}

	bytes = m_dNormal.GetLineWidth();
	iDst = m_dNormal.GetBits();
	posDst =iDst;
	long a,x,y,d,xs,idxmax,idxmin;

	int grainx2=RAND_MAX/(max(1,2*granularity));
	idxmax=255-granularity;
	idxmin=granularity;

	switch(shadeID){
//----------------------------------------------------
	case 8:	//SHS_METAL
		m_dNormal.Clear();
		// create the strokes
		k=40;	//stroke granularity
		for(a=0;a<200;a++){
			x=rand()/(RAND_MAX/sXSize); //stroke postion
			y=rand()/(RAND_MAX/sYSize);	//stroke position
			xs=rand()/(RAND_MAX/min(sXSize,sYSize))/2; //stroke lenght
			d=rand()/(RAND_MAX/k);	//stroke color
			for(i=0;i<xs;i++){
				if (((x-i)>0)&&((y+i)<sYSize))
					m_dNormal.SetPixelIndex(x-i,y+i,(BYTE)d);
				if (((x+i)<sXSize)&&((y-i)>0))
					m_dNormal.SetPixelIndex(sXSize-x+i,y-i,(BYTE)d);
			}
		}
		//blend strokes with SHS_DIAGONAL
		posDst =iDst;
		a=(idxmax-idxmin-k)/2;
		for(i = 0; i < sYSize; i++) {
			for(j = 0; j < sXSize; j++) {
				d=posDst[j]+((a*i)/sYSize+(a*(sXSize-j))/sXSize);
				posDst[j]=(BYTE)d;
				posDst[j]+=rand()/grainx2;
			}
			posDst+=bytes;
		}

		break;
//----------------------------------------------------
	case 7:	// SHS_HARDBUMP
		//set horizontal bump
		for(i = 0; i < sYSize; i++) {
			k=(255*i/sYSize)-127;
			k=(k*(k*k)/128)/128;
			k=(k*(128-granularity))/128+128;
			for(j = 0; j < sXSize; j++) {
				posDst[j]=(BYTE)k;
				posDst[j]+=rand()/grainx2-granularity;
			}
			posDst+=bytes;
		}
		//set vertical bump
		d=min(16,sXSize/6);	//max edge=16
		a=sYSize*sYSize/4;
		posDst =iDst;
		for(i = 0; i < sYSize; i++) {
			y=i-sYSize/2;
			for(j = 0; j < sXSize; j++) {
				x=j-sXSize/2;
				xs=sXSize/2-d+(y*y*d)/a;
				if (x>xs) posDst[j]=idxmin+(BYTE)(((sXSize-j)*128)/d);
				if ((x+xs)<0) posDst[j]=idxmax-(BYTE)((j*128)/d);
				posDst[j]+=rand()/grainx2-granularity;
			}
			posDst+=bytes;
		}
		break;
//----------------------------------------------------
	case 6: //SHS_SOFTBUMP
		for(i = 0; i < sYSize; i++) {
			h=(255*i/sYSize)-127;
			for(j = 0; j < sXSize; j++) {
				k=(255*(sXSize-j)/sXSize)-127;
				k=(h*(h*h)/128)/128+(k*(k*k)/128)/128;
				k=k*(128-granularity)/128+128;
				if (k<idxmin) k=idxmin;
				if (k>idxmax) k=idxmax;
				posDst[j]=(BYTE)k;