libs.rar_c++ 图片类

// osbview.cpp : implementation of the COSBView class // #include "stdafx.h" #include "math.h" #include <conio.h> #include "sdata.h" #include "mmsystem.h" #include "dib.h" #include "dibpal.h" #include "spriteno.h" #include "splstno.h" #include "spritlst.h" #include "sprite.h" #include "phsprite.h" #include "osbview.h" #define PAI 3.1415926 #define HHH 1024 #define VVV 768 #define TILESIZES 30 /* size of display tiles */ #define SHORTWAIT 1 #define WaitForTick(twait) {\ while((t=timeGetTime()) >= l && t < (l+(long)twait));\ } #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif /* #ifdef _DEBUG #undef THIS_FILE static char BASED_CODE THIS_FILE[] = __FILE__; #endif */ #define PALETTE_MASK 0x3c6 #define PALETTE_REGISTER_RD 0x3c7 #define PALETTE_REGISTER_WR 0x3c8 #define PALETTE_DATA 0x3c9 ///////////////////////////////////////////////////////////////////////////// // COSBView //IMPLEMENT_DYNCREATE(COSBView, CScrollView) /* BEGIN_MESSAGE_MAP(COSBView, CScrollView) //{{AFX_MSG_MAP(COSBView) ON_WM_PALETTECHANGED() ON_WM_QUERYNEWPALETTE() ON_WM_SIZE() ON_WM_CREATE() //}}AFX_MSG_MAP END_MESSAGE_MAP() */ ///////////////////////////////////////////////////////////////////////////// // COSBView construction/destruction COSBView::COSBView() { m_pThisWnd = NULL; hInstDll=0; hLangDll=0; sFileName.Empty( ); m_pDIB = NULL; m_pPal = NULL; m_pOneToOneClrTab = NULL; m_bUseCreateDIBSection = FALSE; m_hbmSection = NULL; m_dx=m_dy=0; m_DrawRect=CRect(0,0,HHH-1,VVV-1); // See if we are on Win32s which exports CreateDIBSection but // does not support it DWORD dwVer = GetVersion(); if ((dwVer & 0x800000FF) != 0x080000003) { // Not on Win32s so try to get the CreateDIBSection procedure address. HANDLE hMod = ::GetModuleHandle("gdi32"); if (hMod) { m_pCDSProc = (CDSPROC*) GetProcAddress((HMODULE) hMod, "CreateDIBSection"); if (m_pCDSProc) { m_bUseCreateDIBSection = TRUE; } } } //////////// m_pBkgndDIB=NULL; } COSBView::~COSBView() { EmptyCOSBView(); } void COSBView::EmptyCOSBView() { if (m_pDIB) delete m_pDIB; if (m_pPal) delete m_pPal; if (m_pOneToOneClrTab) free(m_pOneToOneClrTab); if (m_hbmSection) ::DeleteObject(m_hbmSection); EmptyDirtyList(); /////// m_SpriteList.RemoveAll(); m_ButtonList.RemoveAll(); if(m_pBkgndDIB)delete m_pBkgndDIB; } // Create a new buffer, tables and palette to match a supplied DIB. BOOL COSBView::Create(CDIB *pDIB) { // Create the 1-to-1 palette index table. if(pDIB->GetBitCount()==8){ if (m_pOneToOneClrTab) free(m_pOneToOneClrTab); m_pOneToOneClrTab = (LPBITMAPINFO) malloc(sizeof(BITMAPINFOHEADER) + 256 * sizeof(WORD)); if (!m_pOneToOneClrTab) { TRACE("Failed to create color table"); return FALSE; } // Set up the table header to match the DIB // by copying the header and then constructing the 1-to-1 // index translation table. memcpy(m_pOneToOneClrTab, pDIB->GetBitmapInfoAddress(), sizeof(BITMAPINFOHEADER)); // make sure the length of the table is set to 256 not to // the number of colors in the DIB which is irrelevant m_pOneToOneClrTab->bmiHeader.biClrUsed = 0; // default (256) WORD* pIndex; pIndex = (LPWORD)((LPBYTE)m_pOneToOneClrTab + sizeof(BITMAPINFOHEADER)); for (int i = 0; i < 256; i++) { *pIndex++ = (WORD) i; } // Create a palette from the DIB so that we can use it to do // screen drawing. if (m_pPal) delete m_pPal; m_pPal = new CDIBPal; ASSERT(m_pPal); if (!m_pPal->Create(pDIB)) { TRACE("Failed to create palette"); delete m_pPal; m_pPal = NULL; return FALSE; } else { // Map the colors so that we get an identity palette. // HDC dc =::GetDC(m_hWnd); /// int jj= GetDeviceCaps(hdcScreen, NUMCOLORS); // int jj=::GetDeviceCaps(dc,BITSPIXEL); // if(jj==8) // m_pPal->SetSysPalColors(); // ::ReleaseDC(m_hWnd,dc); } } // Delete any existing DIB and create a new one. if (m_pDIB) delete m_pDIB; m_pDIB = new CDIB; BOOL bResult = FALSE; if(pDIB->GetBitCount()==8){ if (m_bUseCreateDIBSection) { if (m_hbmSection) ::DeleteObject(m_hbmSection); ASSERT(m_pCDSProc); CDC* pDC = GetDC(); CPalette* pPalOld = pDC->SelectPalette(m_pPal, FALSE); pDC->RealizePalette(); BYTE* pBits = NULL; m_hbmSection = (*m_pCDSProc)(pDC->GetSafeHdc(), m_pOneToOneClrTab, DIB_PAL_COLORS, (VOID **) &pBits, NULL, 0); pDC->SelectPalette(pPalOld, FALSE); ASSERT(m_hbmSection); ASSERT(pBits); ReleaseDC(pDC); bResult = m_pDIB->Create(pDIB->GetBitmapInfoAddress(), pBits); } else { bResult = m_pDIB->Create(pDIB->GetWidth(), pDIB->GetHeight()); } } else bResult = m_pDIB->Create(pDIB->GetWidth(), pDIB->GetHeight(),24); if (!bResult) { TRACE("Failed to create off-screen DIB"); delete m_pDIB; m_pDIB = NULL; return FALSE; } CSize sizeTotal; sizeTotal.cx = m_pDIB->GetWidth(); sizeTotal.cy = m_pDIB->GetHeight(); SetScrollSizes(MM_TEXT, sizeTotal); return TRUE; } ///////////////////////////////////////////////////////////////////////////// // COSBView drawing void COSBView::OnInitialUpdate() { CSize sizeTotal; if (m_pDIB) { sizeTotal.cx = m_pDIB->GetWidth(); sizeTotal.cy = m_pDIB->GetHeight(); } else { sizeTotal.cx = HHH; sizeTotal.cy = VVV; } SetScrollSizes(MM_TEXT, sizeTotal); } void COSBView::OnDraw(CDC* pDC) { Draw(pDC); } ///////////////////////////////////////////////////////////////////////////// // COSBView diagnostics /* #ifdef _DEBUG void COSBView::AssertValid() const { CScrollView::AssertValid(); } void COSBView::Dump(CDumpContext& dc) const { CScrollView::Dump(dc); } CDocument* COSBView::GetDocument() // Non-debug version is inline { return m_pDocument; } #endif //_DEBUG */ ///////////////////////////////////////////////////////////////////////////// // COSBView message handlers // Draw a section of the off-screen image buffer to the screen. void COSBView::Draw(CDC* pDC, LPRECT pRect) { CDC* pdc; CRect rcDraw; // Make sure we have what we need to do a paint. if (!m_pDIB ) { TRACE("No DIB or color table to paint from"); return; } // See if a DC was supplied, and get one if not. if (pDC) { pdc = pDC; } else { pdc = GetDC(); } // See if a clip rect was supplied, and use the client area if not. if (pRect) { rcDraw = *pRect; } else { GetClientRect(rcDraw); } // Get the clip box. CRect rcClip; pdc->GetClipBox(rcClip); // Create a rect for the DIB. CRect rcDIB; rcDIB.left = rcDIB.top = 0; /* rcDIB.right = m_pDIB->GetWidth() - 1; rcDIB.bottom = m_pDIB->GetHeight() - 1; */ ////change by xmy begin2006.11.27 rcDIB.right = m_pDIB->GetWidth() ; rcDIB.bottom = m_pDIB->GetHeight() ; ////change by xmy end // Find a rectangle that describes the intersection of the draw // rect, clip rect, and DIB rect. CRect rcBlt; rcBlt.IntersectRect(&rcDraw, &rcClip); rcBlt.IntersectRe