405 lines
14 KiB
C++
405 lines
14 KiB
C++
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/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 1998, 1999, 2000
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*
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* TITLE: PAINTERS.CPP
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 1/13/1999
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*
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* DESCRIPTION: Image transition base class and derived classes
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*
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*******************************************************************************/
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#include "precomp.h"
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#pragma hdrstop
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#include "painters.h"
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#include <windowsx.h>
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#include "ssutil.h"
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#include "isdbg.h"
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CImagePainter::CImagePainter( CBitmapImage *pBitmapImage, CSimpleDC &ClientDC, const RECT &rcImageArea, const RECT &rcScreen )
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: m_pBitmapImage(pBitmapImage),
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m_dwInitialTickCount(0),
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m_rcScreen(rcScreen),
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m_rcImageArea(rcImageArea),
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m_bFirstFrame(true),
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m_dwDuration(0),
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m_bAlreadyPaintedLastFrame(false)
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{
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if (m_pBitmapImage)
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{
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m_rcFinal = m_RandomNumberGen.Generate( m_pBitmapImage->ImageSize().cx, m_pBitmapImage->ImageSize().cy, rcImageArea );
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WIA_TRACE((TEXT("Image size: (%d, %d)"), m_pBitmapImage->ImageSize().cx, m_pBitmapImage->ImageSize().cy ));
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WIA_TRACE((TEXT("Chosen Final Rect = (%d,%d), (%d,%d)"), m_rcFinal.left, m_rcFinal.top, m_rcFinal.right, m_rcFinal.bottom ));
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}
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}
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CImagePainter::~CImagePainter(void)
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{
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if (m_pBitmapImage)
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{
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delete m_pBitmapImage;
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}
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m_pBitmapImage = NULL;
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}
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DWORD CImagePainter::ElapsedTime(void) const
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{
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DWORD dwElapsed = GetTickCount() - m_dwInitialTickCount;
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if (dwElapsed > m_dwDuration)
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dwElapsed = m_dwDuration;
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return(dwElapsed);
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}
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CBitmapImage *CImagePainter::BitmapImage(void)
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{
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return(m_pBitmapImage);
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}
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void CImagePainter::Paint( CSimpleDC &PaintDC )
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{
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if (PaintDC.IsValid() && m_pBitmapImage)
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{
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ScreenSaverUtil::SelectPalette( PaintDC, m_pBitmapImage->Palette(), FALSE );
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CSimpleDC MemoryDC;
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if (MemoryDC.CreateCompatibleDC(PaintDC))
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{
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ScreenSaverUtil::SelectPalette( MemoryDC, m_pBitmapImage->Palette(), FALSE );
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Paint( PaintDC, MemoryDC );
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}
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}
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}
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void CImagePainter::Paint( CSimpleDC &PaintDC, CSimpleDC &MemoryDC )
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{
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SelectBitmap( MemoryDC, BitmapImage()->GetBitmap() );
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BitBlt( PaintDC, m_rcFinal.left, m_rcFinal.top, RECT_WIDTH(m_rcFinal), RECT_HEIGHT(m_rcFinal), MemoryDC, 0, 0, SRCCOPY );
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}
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bool CImagePainter::TimerTick( CSimpleDC &ClientDC )
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{
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bool bStopPainting = false;
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if (m_bFirstFrame)
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{
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m_dwInitialTickCount = GetTickCount();
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Erase( ClientDC, m_rcScreen );
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}
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//
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if (m_bFirstFrame || NeedPainting())
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{
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if (m_pBitmapImage && ClientDC.IsValid())
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{
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ScreenSaverUtil::SelectPalette( ClientDC, m_pBitmapImage->Palette(), FALSE );
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CSimpleDC MemoryDC;
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if (MemoryDC.CreateCompatibleDC(ClientDC))
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{
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ScreenSaverUtil::SelectPalette( MemoryDC, m_pBitmapImage->Palette(), FALSE );
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PaintFrame( ClientDC, MemoryDC );
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}
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}
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if (m_bFirstFrame)
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m_bFirstFrame = false;
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}
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else bStopPainting = true;
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return bStopPainting;
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}
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void CImagePainter::Erase( CSimpleDC &ClientDC, RECT &rc )
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{
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FillRect( ClientDC, &rc, (HBRUSH)GetStockObject(BLACK_BRUSH) );
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}
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bool CImagePainter::NeedPainting(void)
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{
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return(false);
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}
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bool CImagePainter::IsValid(void)
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{
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return(m_pBitmapImage && m_pBitmapImage->GetBitmap());
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}
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/****************************************************************************
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CSimpleTransitionPainter
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*****************************************************************************/
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CSimpleTransitionPainter::CSimpleTransitionPainter( CBitmapImage *pBitmapImage, CSimpleDC &ClientDC, const RECT &rcImageArea, const RECT &rcScreen )
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: CImagePainter( pBitmapImage, ClientDC, rcImageArea, rcScreen )
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{
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}
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CSimpleTransitionPainter::~CSimpleTransitionPainter(void)
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{
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}
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void CSimpleTransitionPainter::PaintFrame( CSimpleDC &ClientDC, CSimpleDC &MemoryDC )
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{
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SelectBitmap( MemoryDC, BitmapImage()->GetBitmap() );
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SIZE sizeImage = BitmapImage()->ImageSize();
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BitBlt( ClientDC, m_rcFinal.left, m_rcFinal.top, sizeImage.cx, sizeImage.cy, MemoryDC, 0, 0, SRCCOPY );
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}
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/****************************************************************************
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CSlidingTransitionPainter
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*****************************************************************************/
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CSlidingTransitionPainter::CSlidingTransitionPainter( CBitmapImage *pBitmapImage, CSimpleDC &ClientDC, const RECT &rcImageArea, const RECT &rcScreen )
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: CImagePainter( pBitmapImage, ClientDC, rcImageArea, rcScreen )
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{
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m_dwDuration = 5000;
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ZeroMemory(&m_rcPrevious,sizeof(m_rcPrevious));
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switch (CRandomNumberGen().Generate(8))
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{
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case 0:
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// left, top
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m_rcOriginal.left = rcScreen.left - BitmapImage()->ImageSize().cx;
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m_rcOriginal.top = rcScreen.top - BitmapImage()->ImageSize().cy;
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m_rcOriginal.right = rcScreen.left;
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m_rcOriginal.bottom = rcScreen.top;
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break;
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case 1:
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// top
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m_rcOriginal.left = m_rcFinal.left;
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m_rcOriginal.top = rcScreen.top - BitmapImage()->ImageSize().cy;
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m_rcOriginal.right = m_rcFinal.right;
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m_rcOriginal.bottom = rcScreen.top;
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break;
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case 2:
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// right, top
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m_rcOriginal.left = rcScreen.right;
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m_rcOriginal.top = rcScreen.top - BitmapImage()->ImageSize().cy;
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m_rcOriginal.right = rcScreen.right + BitmapImage()->ImageSize().cx;
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m_rcOriginal.bottom = rcScreen.top;
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break;
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case 3:
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// right
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m_rcOriginal.left = rcScreen.right;
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m_rcOriginal.top = m_rcFinal.top;
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m_rcOriginal.right = rcScreen.right + BitmapImage()->ImageSize().cx;
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m_rcOriginal.bottom = m_rcFinal.bottom;
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break;
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case 4:
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// right, bottom
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m_rcOriginal.left = rcScreen.right;
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m_rcOriginal.top = rcScreen.bottom;
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m_rcOriginal.right = rcScreen.right + BitmapImage()->ImageSize().cx;
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m_rcOriginal.bottom = rcScreen.bottom + BitmapImage()->ImageSize().cy;
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break;
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case 5:
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// bottom
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m_rcOriginal.left = m_rcFinal.left;
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m_rcOriginal.top = rcScreen.bottom;
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m_rcOriginal.right = m_rcFinal.right;
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m_rcOriginal.bottom = rcScreen.bottom + BitmapImage()->ImageSize().cy;
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break;
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case 6:
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// left,bottom
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m_rcOriginal.left = rcScreen.left - BitmapImage()->ImageSize().cx;
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m_rcOriginal.top = rcScreen.bottom;
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m_rcOriginal.right = rcScreen.left;
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m_rcOriginal.bottom = rcScreen.bottom + BitmapImage()->ImageSize().cy;
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break;
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case 7:
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// left
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m_rcOriginal.left = rcScreen.left - BitmapImage()->ImageSize().cx;
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m_rcOriginal.top = m_rcFinal.top;
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m_rcOriginal.right = rcScreen.left;
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m_rcOriginal.bottom = m_rcFinal.bottom;
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break;
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}
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}
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CSlidingTransitionPainter::~CSlidingTransitionPainter(void)
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{
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}
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bool CSlidingTransitionPainter::NeedPainting(void)
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{
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if (!memcmp( &m_rcPrevious, &m_rcFinal, sizeof(RECT)))
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return false;
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return true;
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}
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void CSlidingTransitionPainter::PaintFrame( CSimpleDC &ClientDC, CSimpleDC &MemoryDC )
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{
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SelectBitmap( MemoryDC, BitmapImage()->GetBitmap() );
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SIZE sizeImage = BitmapImage()->ImageSize();
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DWORD dwElapsedTime = ElapsedTime();
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SIZE sizeDelta;
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sizeDelta.cx = m_rcFinal.left - m_rcOriginal.left;
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sizeDelta.cy = m_rcFinal.top - m_rcOriginal.top;
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SIZE sizeOffset;
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sizeOffset.cx = MulDiv(sizeDelta.cx,dwElapsedTime,m_dwDuration);
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sizeOffset.cy = MulDiv(sizeDelta.cy,dwElapsedTime,m_dwDuration);
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// Make sure we don't overshoot the final rect
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if (WiaUiUtil::Absolute(sizeOffset.cx) > WiaUiUtil::Absolute(m_rcFinal.left - m_rcOriginal.left))
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sizeOffset.cx = m_rcFinal.left - m_rcOriginal.left;
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if (WiaUiUtil::Absolute(sizeOffset.cy) > WiaUiUtil::Absolute(m_rcFinal.top - m_rcOriginal.top))
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sizeOffset.cy = m_rcFinal.top - m_rcOriginal.top;
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RECT rcCurr = m_rcOriginal;
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ScreenSaverUtil::NormalizeRect(rcCurr);
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OffsetRect( &rcCurr, sizeOffset.cx, sizeOffset.cy );
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ScreenSaverUtil::EraseDiffRect( ClientDC, m_rcPrevious, rcCurr, (HBRUSH)GetStockObject(BLACK_BRUSH) );
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BitBlt( ClientDC, rcCurr.left, rcCurr.top, sizeImage.cx, sizeImage.cy, MemoryDC, 0, 0, SRCCOPY );
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m_rcPrevious = rcCurr;
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}
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/****************************************************************************
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CRandomBlockPainter
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*****************************************************************************/
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CRandomBlockPainter::CRandomBlockPainter( CBitmapImage *pBitmapImage, CSimpleDC &ClientDC, const RECT &rcImageArea, const RECT &rcScreen )
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: CImagePainter( pBitmapImage, ClientDC, rcImageArea, rcScreen ),m_pBlockAddresses(NULL),m_nBlockSize(10),m_nStartIndex(0)
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{
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m_dwDuration = 2000;
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SIZE sizeImage = BitmapImage()->ImageSize();
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m_sizeBlockCount.cx = WiaUiUtil::Align( sizeImage.cx, m_nBlockSize ) / m_nBlockSize;
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m_sizeBlockCount.cy = WiaUiUtil::Align( sizeImage.cy, m_nBlockSize ) / m_nBlockSize;
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m_pBlockAddresses = new int[m_sizeBlockCount.cx * m_sizeBlockCount.cy];
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if (m_pBlockAddresses)
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{
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int i;
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for (i=0;i<m_sizeBlockCount.cx * m_sizeBlockCount.cy;i++)
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{
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m_pBlockAddresses[i] = i;
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}
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for (i=0;i<m_sizeBlockCount.cx * m_sizeBlockCount.cy;i++)
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{
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ScreenSaverUtil::Swap( m_pBlockAddresses[i], m_pBlockAddresses[m_RandomNumberGen.Generate(i,m_sizeBlockCount.cx * m_sizeBlockCount.cy)]);
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}
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}
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}
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CRandomBlockPainter::~CRandomBlockPainter(void)
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{
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if (m_pBlockAddresses)
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delete[] m_pBlockAddresses;
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m_pBlockAddresses = NULL;
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}
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bool CRandomBlockPainter::NeedPainting(void)
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{
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return(m_nStartIndex < m_sizeBlockCount.cx * m_sizeBlockCount.cy);
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}
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bool CRandomBlockPainter::IsValid(void)
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{
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return (CImagePainter::IsValid() && m_pBlockAddresses != NULL);
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}
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void CRandomBlockPainter::PaintFrame( CSimpleDC &ClientDC, CSimpleDC &MemoryDC )
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{
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if (m_pBlockAddresses)
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{
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SelectBitmap( MemoryDC, BitmapImage()->GetBitmap() );
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int nDoUntilIndex = ((m_sizeBlockCount.cx * m_sizeBlockCount.cy) * ElapsedTime()) / m_dwDuration;
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for (int i=m_nStartIndex;i<nDoUntilIndex && i<m_sizeBlockCount.cx * m_sizeBlockCount.cy;i++)
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{
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int nRow = (m_pBlockAddresses[i] / m_sizeBlockCount.cx) * m_nBlockSize;
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int nCol = (m_pBlockAddresses[i] % m_sizeBlockCount.cx) * m_nBlockSize;
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BitBlt( ClientDC, m_rcFinal.left+nCol, m_rcFinal.top+nRow, m_nBlockSize, m_nBlockSize, MemoryDC, nCol, nRow, SRCCOPY );
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}
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m_nStartIndex = nDoUntilIndex;
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}
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}
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/****************************************************************************
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CAlphaFadePainter
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*****************************************************************************/
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CAlphaFadePainter::CAlphaFadePainter( CBitmapImage *pBitmapImage, CSimpleDC &ClientDC, const RECT &rcImageArea, const RECT &rcScreen )
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: CImagePainter( pBitmapImage, ClientDC, rcImageArea, rcScreen )
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{
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m_dwDuration = 6000;
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if (BitmapImage())
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{
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ZeroMemory(&m_bfBlendFunction,sizeof(m_bfBlendFunction));
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m_bfBlendFunction.BlendOp = AC_SRC_OVER;
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m_bfBlendFunction.SourceConstantAlpha = 0;
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m_hbmpBuffer = CreateCompatibleBitmap( ClientDC, BitmapImage()->ImageSize().cx, BitmapImage()->ImageSize().cy );
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CompatDC.CreateCompatibleDC( ClientDC );
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}
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}
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bool CAlphaFadePainter::IsValid(void)
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{
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return (CImagePainter::IsValid() && m_hbmpBuffer != NULL && CompatDC.IsValid());
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}
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CAlphaFadePainter::~CAlphaFadePainter(void)
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{
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if (m_hbmpBuffer)
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DeleteObject(m_hbmpBuffer);
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}
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bool CAlphaFadePainter::NeedPainting(void)
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{
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||
|
|
return(m_bfBlendFunction.SourceConstantAlpha < 0xFF);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void CAlphaFadePainter::PaintFrame( CSimpleDC &ClientDC, CSimpleDC &MemoryDC )
|
||
|
|
{
|
||
|
|
ScreenSaverUtil::SelectPalette( CompatDC, BitmapImage()->Palette(), FALSE );
|
||
|
|
SelectBitmap( MemoryDC, BitmapImage()->GetBitmap() );
|
||
|
|
HBITMAP hOldBufferBitmap = SelectBitmap( CompatDC, m_hbmpBuffer );
|
||
|
|
DWORD dwCurrentIndex = (ElapsedTime() * 0xFF) / m_dwDuration;
|
||
|
|
m_bfBlendFunction.SourceConstantAlpha = (BYTE)(dwCurrentIndex > 255 ? 255 : dwCurrentIndex);
|
||
|
|
RECT rcImage;
|
||
|
|
rcImage.left = rcImage.top = 0;
|
||
|
|
rcImage.right = BitmapImage()->ImageSize().cx;
|
||
|
|
rcImage.bottom = BitmapImage()->ImageSize().cy;
|
||
|
|
FillRect( CompatDC, &rcImage, (HBRUSH)GetStockObject(BLACK_BRUSH) );
|
||
|
|
AlphaBlend( CompatDC, 0, 0, RECT_WIDTH(m_rcFinal), RECT_HEIGHT(m_rcFinal), MemoryDC, 0, 0, RECT_WIDTH(m_rcFinal), RECT_HEIGHT(m_rcFinal), m_bfBlendFunction );
|
||
|
|
BitBlt( ClientDC, m_rcFinal.left, m_rcFinal.top, RECT_WIDTH(m_rcFinal), RECT_HEIGHT(m_rcFinal), CompatDC, 0, 0, SRCCOPY );
|
||
|
|
SelectBitmap( CompatDC, hOldBufferBitmap );
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/****************************************************************************
|
||
|
|
COpenCurtainPainter
|
||
|
|
*****************************************************************************/
|
||
|
|
COpenCurtainPainter::COpenCurtainPainter( CBitmapImage *pBitmapImage, CSimpleDC &ClientDC, const RECT &rcImageArea, const RECT &rcScreen )
|
||
|
|
: CImagePainter( pBitmapImage, ClientDC, rcImageArea, rcScreen ), m_nCurrentWidth(0)
|
||
|
|
{
|
||
|
|
m_dwDuration = 3000;
|
||
|
|
m_nFinalWidth = WiaUiUtil::Align(BitmapImage()->ImageSize().cx,2)/2;
|
||
|
|
}
|
||
|
|
|
||
|
|
COpenCurtainPainter::~COpenCurtainPainter(void)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
bool COpenCurtainPainter::NeedPainting(void)
|
||
|
|
{
|
||
|
|
return (m_nCurrentWidth < m_nFinalWidth);
|
||
|
|
}
|
||
|
|
|
||
|
|
void COpenCurtainPainter::PaintFrame( CSimpleDC &ClientDC, CSimpleDC &MemoryDC )
|
||
|
|
{
|
||
|
|
m_nCurrentWidth = WiaUiUtil::MulDivNoRound( m_nFinalWidth, ElapsedTime(), m_dwDuration );
|
||
|
|
SelectBitmap( MemoryDC, BitmapImage()->GetBitmap() );
|
||
|
|
BitBlt( ClientDC, m_rcFinal.left, m_rcFinal.top, m_nCurrentWidth, m_rcFinal.bottom-m_rcFinal.top, MemoryDC, 0, 0, SRCCOPY );
|
||
|
|
BitBlt( ClientDC, m_rcFinal.right-m_nCurrentWidth, m_rcFinal.top, m_nCurrentWidth, RECT_HEIGHT(m_rcFinal), MemoryDC, RECT_WIDTH(m_rcFinal)-m_nCurrentWidth, 0, SRCCOPY );
|
||
|
|
}
|