Advanced-Application-Status-Bar.zip_BAR

// statbmp.cpp : implementation file // Copyright 2001 by Troels K. #include "stdafx.h" #include "statbmp.h" #include "mfcext.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static const char BASED_CODE THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // Prototypes BOOL MFC_Bitmap_LoadImage(CBitmap* pBitmap, LPCTSTR lpszFileName, int cxDesired = 0, int cyDesired = 0, UINT fuLoad = LR_DEFAULTSIZE | LR_LOADTRANSPARENT | LR_LOADMAP3DCOLORS | LR_LOADFROMFILE, HINSTANCE hInstance = NULL); BOOL MFC_Bitmap_LoadImage(CBitmap* pBitmap, UINT nID, int cxDesired = 0, int cyDesired = 0, UINT fuLoad = LR_DEFAULTSIZE | LR_LOADTRANSPARENT | LR_LOADMAP3DCOLORS, HINSTANCE hInstance = NULL); BOOL Bitmap_Draw(HDC hdc, POINT pt, HBITMAP bitmap, int iBitmap, int bitmap_count, HDC hdc_src); BOOL MFC_Bitmap_Draw(CDC* pDC, POINT pt, HBITMAP bitmap, int iBitmap = -1, int bitmap_count = 0, CDC* hdc_src = NULL) { return Bitmap_Draw(pDC->m_hDC, pt, bitmap, iBitmap, bitmap_count, hdc_src->GetSafeHdc()); } ///////////////////////////////////////////////////////////////////////////// // CStatusBarBitmap CStatusBarBitmap::CStatusBarBitmap(int nStateCount) : CBitmap(), m_nStateCount(nStateCount), m_nIDCommand(0) { } BOOL CStatusBarBitmap::LoadBitmap(int nIDBitmap, HINSTANCE hInstance /*= NULL*/) { return ::MFC_Bitmap_LoadImage(this, nIDBitmap, 0, 0, LR_DEFAULTSIZE | LR_LOADTRANSPARENT | LR_LOADMAP3DCOLORS, hInstance); } BOOL CStatusBarBitmap::GrowMinHeight(CStatusBar* pStatusBar) { BITMAP bm; BOOL bOK = GetBitmap(&bm); if (bOK) { ::MFC_StatusBar_GrowMinHeight(pStatusBar, bm.bmHeight+2+2); } return bOK; } BOOL CStatusBarBitmap::HookPane(CStatusBar* pStatusBar, int nPane, int cxExtra) { BITMAP bm; BOOL bOK = GetBitmap(&bm) && (nPane != -1); if (bOK) { UINT nID, nStyle; int cxWidth; pStatusBar->GetPaneInfo(nPane, nID, nStyle, cxWidth); cxWidth = bm.bmWidth / m_nStateCount-3 + cxExtra; pStatusBar->SetPaneInfo(nPane, nID, nStyle | SBT_OWNERDRAW | SBT_TOOLTIPS, cxWidth); m_nIDCommand = nID; } return bOK; } BOOL CStatusBarBitmap::DrawItem(LPDRAWITEMSTRUCT dis, int iBitmap) { CDC* pDC = CDC::FromHandle(dis->hDC); BITMAP bm; VERIFY(GetBitmap(&bm)); const CRect& rect = (const CRect&)dis->rcItem; // center const CPoint pt (rect.left,//rect.left + (rect.Width () - bm.bmWidth / m_nStateCount)/2, rect.top + (rect.Height() - bm.bmHeight)/2 ); return ::MFC_Bitmap_Draw(pDC, pt, operator HBITMAP(), iBitmap, m_nStateCount); } ///////////////////////////////////////////////////////////////////////////// // Implementation BOOL MFC_Bitmap_LoadImage(CBitmap* bitmap, LPCTSTR lpszFileName, int cxDesired, int cyDesired, UINT fuLoad, HINSTANCE hInstance) { if (hInstance == NULL) { hInstance = AfxGetResourceHandle(); } HBITMAP handle = (HBITMAP)::LoadImage(NULL, lpszFileName, IMAGE_BITMAP, cxDesired, cyDesired, fuLoad); BOOL bOK = (NULL != handle); if (bOK) { bitmap->DeleteObject(); bOK = bitmap->Attach(handle); } return bOK; } BOOL MFC_Bitmap_LoadImage(CBitmap* bitmap, UINT nIDResource, int cxDesired, int cyDesired, UINT fuLoad, HINSTANCE hInstance) { if (hInstance == NULL) { hInstance = AfxGetResourceHandle(); } HBITMAP handle = (HBITMAP)::LoadImage(hInstance, MAKEINTRESOURCE(nIDResource), IMAGE_BITMAP, cxDesired, cyDesired, fuLoad); BOOL bOK = (NULL != handle); if (bOK) { bitmap->DeleteObject(); bOK = bitmap->Attach(handle); } return bOK; } BOOL Bitmap_Draw(HDC hdc, POINT pt, HBITMAP bitmap, int iBitmap, int bitmap_count, HDC hdc_src) { BITMAP bm; BOOL bOK = GetObject(bitmap, sizeof(bm), &bm) && ((iBitmap == -1) || (iBitmap < bitmap_count)); if (bOK) { HDC temp = NULL; HBITMAP old; POINT pt_src; SIZE size_dst; if (iBitmap == -1) { size_dst.cx = bm.bmWidth; pt_src.x = 0; } else { size_dst.cx = bm.bmWidth / bitmap_count; pt_src.x = size_dst.cx * iBitmap; } pt_src.y = 0, size_dst.cy = bm.bmHeight; if (hdc_src == NULL) { temp = hdc_src = CreateCompatibleDC(NULL); } old = (HBITMAP)SelectObject(hdc_src, bitmap); bOK = StretchBlt(hdc, pt .x, pt .y, size_dst.cx, size_dst.cy, hdc_src, pt_src.x, pt_src.y, size_dst.cx, size_dst.cy, SRCCOPY); SelectObject(hdc_src, old); if (temp != NULL) { DeleteDC(temp); } } return bOK; } /////////////////////////////////////////////////////////////////////////////