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📄 dib.cpp

📁 手写数字识别系统,vc源码,好不容易找到的
💻 CPP
📖 第 1 页 / 共 4 页
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		return DisplayFadeIn(pDC, x, y, nDeta, dwDelayTime);
	else if (nEffect == EFFECT_MOSAIC)
		return DisplayMosaicIn(pDC, x, y, nDeta, dwDelayTime, dwRop);

	CDC MemDC;
	MemDC.CreateCompatibleDC(pDC);
	CBitmap* pOldBmp = MemDC.SelectObject(m_pBitmap);

	CPalette* pOldPal = pDC->SelectPalette(m_pPalette, TRUE);
    pDC->RealizePalette();

	LONG i = 0;
	BOOL bDone = FALSE;
	while (! bDone)
	{
		switch (nEffect)
		{
		case EFFECT_SCANDOWN:
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
            pDC->BitBlt(x, 
						y+i,
                        GetWidth(),
						nDeta,
						&MemDC,
                        0,
						i,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_SCANUP:
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
            pDC->BitBlt(x, 
						y+GetHeight()-i,
                        GetWidth(),
						nDeta,
						&MemDC,
                        0,
						GetHeight()-i,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_SCANRIGHT:
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
            pDC->BitBlt(x+i, 
						y,
						nDeta,
                        GetHeight(),
						&MemDC,
						i,
                        0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_SCANLEFT:
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
            pDC->BitBlt(x+GetWidth()-i, 
						y,
						nDeta,
                        GetHeight(),
						&MemDC,
						GetWidth()-i,
                        0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_VSPLITSCAN:
			if (i > GetHeight()/2)
			{
				i = GetHeight()/2;
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y+i,
						GetWidth(),
						nDeta,
						&MemDC,
						0,
						i,
						dwRop);
			pDC->BitBlt(x,
						y+GetHeight()-i,
						GetWidth(),
						i,
						&MemDC,
						0,
						GetHeight()-i,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_HSPLITSCAN:
			if (i > GetWidth()/2)
			{
				i = GetWidth()/2;
				bDone = TRUE;
			}
			pDC->BitBlt(x+i,
						y,
						nDeta,
						GetHeight(),
						&MemDC,
						i,
						0,
						dwRop);
			pDC->BitBlt(x+GetWidth()-i,
						y,
						nDeta,
						GetHeight(),
						&MemDC,
						GetWidth()-i,
						0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_MOVEDOWN:
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y,
						GetWidth(),
						i+nDeta,
						&MemDC,
						0,
						GetHeight()-i,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_MOVEUP:
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y+GetHeight()-i,
						GetWidth(),
						i,
						&MemDC,
						0,
						0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_MOVERIGHT:
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y,
						i+nDeta,
						GetHeight(),
						&MemDC,
						GetWidth()-i,
						0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_MOVELEFT:
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			pDC->BitBlt(x+GetWidth()-i,
						y,
						i,
						GetHeight(),
						&MemDC,
						0,
						0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_VSPLITMOVE:
			if (i > GetHeight()/2)
			{
				i = GetHeight()/2;
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y,
						GetWidth(),
						i+nDeta,
						&MemDC,
						0,
						GetHeight()/2-i,
						dwRop);
			pDC->BitBlt(x,
						y+GetHeight()-i,
						GetWidth(),
						i,
						&MemDC,
						0,
						GetHeight()/2,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_HSPLITMOVE:
			if (i > GetWidth()/2)
			{
				i = GetWidth()/2;
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y,
						i+nDeta,
						GetHeight(),
						&MemDC,
						GetWidth()/2-i,
						0,
						dwRop);
			pDC->BitBlt(x+GetWidth()-i,
						y,
						i,
						GetHeight(),
						&MemDC,
						GetWidth()/2,
						0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_VCROSSMOVE:
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y,
						GetWidth()/2,
						i+nDeta,
						&MemDC,
						0,
						GetHeight()-i,
						dwRop);
			pDC->BitBlt(x+GetWidth()/2,
						y+GetHeight()-i,
						GetWidth(),
						i,
						&MemDC,
						GetWidth()/2,
						0,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_HCROSSMOVE:
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			pDC->BitBlt(x,
						y,
						i+nDeta,
						GetHeight()/2,
						&MemDC,
						GetWidth()-i,
						0,
						dwRop);
			pDC->BitBlt(x+GetWidth()-i,
						y+GetHeight()/2,
						i,
						GetHeight()/2,
						&MemDC,
						0,
						GetHeight()/2,
						dwRop);
			i += nDeta;
			break;
		case EFFECT_VRASTER:
		{
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			LONG j = 0;
			BOOL bQuitLoop = FALSE;
			while (! bQuitLoop)
			{
				if (j > GetWidth())
				{
					j = GetWidth();
					bQuitLoop = TRUE;
				}
				pDC->BitBlt(x+j,
							y,
							nDeta,
							i+1,
							&MemDC,
							j,
							GetHeight()-i,
							dwRop);
				j += nDeta;
				if (j > GetWidth())
				{
					j = GetWidth();
					bQuitLoop = TRUE;
				}
				pDC->BitBlt(x+j,
							y+GetHeight()-i,
							nDeta,
							i,
							&MemDC,
							j,
							0,
							dwRop);
				j += nDeta;
			}
			i++;
			break;
		}
		case EFFECT_HRASTER:
		{
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			LONG j = 0;
			BOOL bQuitLoop = FALSE;
			while (! bQuitLoop)
			{
				if (j > GetHeight())
				{
					j = GetHeight();
					bQuitLoop = TRUE;
				}
				pDC->BitBlt(x,
							y+j,
							i+1,
							nDeta,
							&MemDC,
							GetWidth()-i,
							j,
							dwRop);
				j += nDeta;
				if (j > GetHeight())
				{
					j = GetHeight();
					bQuitLoop = TRUE;
				}
				pDC->BitBlt(x+GetWidth()-i,
							y+j,
							i,
							nDeta,
							&MemDC,
							0,
							j,
							dwRop);
				j += nDeta;
			}
			i++;
			break;
		}
		case EFFECT_HBLIND:
		{
			if (i > nDeta)
			{
				i = nDeta;
				bDone = TRUE;
			}
			for (LONG j=i; j<GetHeight(); j+=nDeta)
				pDC->BitBlt(x,
							y+j,
							GetWidth(),
							1,
							&MemDC,
							0,
							j,
							dwRop);
			i++;
			break;
		}
		case EFFECT_VBLIND:
			if (i > nDeta)
			{
				i = nDeta;
				bDone = TRUE;
			}
			for (LONG j=i; j<GetWidth(); j+=nDeta)
				pDC->BitBlt(x+j,
							y,
							1,
							GetHeight(),
							&MemDC,
							j,
							0,
							dwRop);
			i++;
			break;
		}  // end of switch
		//Delay(dwDelayTime);
	}	// end of while

	MemDC.SelectObject(pOldBmp);
	pDC->SelectPalette(pOldPal, TRUE);

	return TRUE;
}

BOOL CDib::Clear(int nEffect, CDC* pDC, int x, int y, int nDeta, DWORD dwDelayTime)
{
	if (nEffect == EFFECT_FADE)
		return DisplayFadeOut(pDC, x, y, nDeta, dwDelayTime);
	else if (nEffect == EFFECT_MOSAIC)
		return DisplayMosaicOut(pDC, x, y, nDeta, dwDelayTime);

	CDC MemDC;
	MemDC.CreateCompatibleDC(pDC);
	CBitmap* pOldBmp = MemDC.SelectObject(m_pBitmap);

	CPalette* pOldPal = pDC->SelectPalette(m_pPalette, TRUE);
    pDC->RealizePalette();

	pDC->BitBlt(x,
				y,
				GetWidth(),
				GetHeight(),
				&MemDC,
				0,
				0,
				SRCCOPY);

	CBrush brush(GetSysColor(COLOR_WINDOW));
	CBrush* oldbrush = pDC->SelectObject(&brush);
	CPen pen(PS_SOLID,1,GetSysColor(COLOR_WINDOW));
    CPen* oldpen = pDC->SelectObject(&pen);

	LONG i = 0;
	BOOL bDone = FALSE;
	while (! bDone)
	{
		switch (nEffect)
		{
		case EFFECT_SCANDOWN:
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->Rectangle(x, 
						   y+i,
						   x+GetWidth(), 
						   y+nDeta);
			i += nDeta;
			break;
		case EFFECT_SCANUP:
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->Rectangle(x, 
						   y+GetHeight()-i,
						   x+GetWidth(), 
						   y+GetHeight()-i+nDeta);
			i += nDeta;
			break;
		case EFFECT_SCANRIGHT:
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			pDC->Rectangle(x+i,
						   y,
						   x+nDeta, 
						   y+GetHeight());
			i += nDeta;
			break;
		case EFFECT_SCANLEFT:
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			pDC->Rectangle(x+GetWidth()-i, 
						   y,
						   x+GetWidth()-i+nDeta, 
						   y+GetHeight());
			i += nDeta;
			break;
		case EFFECT_VSPLITSCAN:
			if (i > GetHeight()/2)
			{
				i = GetHeight()/2;
				bDone = TRUE;
			}
			pDC->Rectangle(x, 
						   y+i,
						   x+GetWidth(), 
						   y+i+nDeta);
			pDC->Rectangle(x, 
						   y+GetHeight()-i,
						   x+GetWidth(), 
						   y+GetHeight());
			i += nDeta;
			break;
		case EFFECT_HSPLITSCAN:
			if (i > GetWidth()/2)
			{
				i = GetWidth()/2;
				bDone = TRUE;
			}
			pDC->Rectangle(x+i, 
						   y,
						   x+i+nDeta, 
						   y+GetHeight());
			pDC->Rectangle(x+GetWidth()-i,
						   y,
						   x+GetWidth(), 
						   y+GetHeight());
			i += nDeta;
			break;
		case EFFECT_MOVEDOWN:
		{
			i += nDeta;
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->BitBlt(x,  			//x dest
						y+i,		//y dest
      					GetWidth(),		//width
						GetHeight()-i,	//depth
						&MemDC,
						0,				//x source
						0,			//y source
						SRCCOPY);

			pDC->Rectangle(x, y+i-nDeta,
						   x+GetWidth(), y+i);
			break;
		}
		case EFFECT_MOVEUP:
		{
			i += nDeta;
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->BitBlt(x,  			//x dest
						y,		//y dest
	      				GetWidth(),		//width
						GetHeight()-i,	//depth
						&MemDC,
						0,				//x source
						i,			//y source
						SRCCOPY);

			pDC->Rectangle( x,
							y+GetHeight()-i,
							x+GetWidth(),
							y+GetHeight());
			break;
		}
		case EFFECT_MOVERIGHT:
		{
			i += nDeta;
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			pDC->BitBlt(x+i,  			//x dest
						y,		//y dest
      					GetWidth()-i,		//width
						GetHeight(),	//depth
						&MemDC,
						0,				//x source
						0,			//y source
						SRCCOPY);

			pDC->Rectangle(x+i-nDeta, y,
						   x+i, y+GetHeight());
			break;
		}
		case EFFECT_MOVELEFT:
		{
			i += nDeta;
			if (i > GetWidth())
			{
				i = GetWidth();
				bDone = TRUE;
			}
			pDC->BitBlt(x,  			//x dest
						y,		//y dest
	      				GetWidth()-i,		//width
						GetHeight(),	//depth
						&MemDC,
						i,			//y source
						0,				//x source
						SRCCOPY);

			pDC->Rectangle( x+GetWidth()-i,
							y,
							x+GetWidth(),
							y+GetHeight());
			break;
		}
		case EFFECT_VCROSSMOVE:
		{
			i += nDeta;
			if (i > GetHeight())
			{
				i = GetHeight();
				bDone = TRUE;
			}
			pDC->BitBlt(x,  			//x dest
						y+i,		//y dest
      					GetWidth()/2,		//width

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