C++ CBitmap::Attach方法代码示例

//-----------------------
/// イメージリストを初期化する
void	CToolBarPropertyPage::_InitImageList()
{
	if (m_imgList.m_hImageList)
		m_imgList.Destroy();

	CBitmap bmp;
	bmp.Attach( AtlLoadBitmapImage(GetSmallFilePath().GetBuffer(0), LR_LOADFROMFILE) );
	if (bmp.IsNull()) {
		//bBig = FALSE; 								//+++ small用の表示がバグってるぽいので、とりあえずbig扱いで対処.
		bmp.Attach( AtlLoadBitmapImage(GetBigFilePath().GetBuffer(0), LR_LOADFROMFILE) );
		if (bmp.IsNull()) {					//+++ 内蔵のbmpを使うようにする...
			bmp.LoadBitmap(IDB_MAINFRAME_TOOLBAR_HOT);	//+++ 内蔵のbmpを使うようにする...
			if (bmp.IsNull()) {
			/*	::MessageBox(m_hWnd, _T("ツールバースキンファイルが見つかりませんでした。\n")
									 _T("カスタマイズに支障が出るので操作ができないようになっています。\n")
									 _T("スキンフォルダにBigHot.bmpファイルを準備してください。")			, _T("information"), MB_OK);*/
				ATLASSERT(FALSE);
				return;
			}
		}
	}

	bmp.GetSize(m_iconSize);
	int nCount	= m_iconSize.cx / m_iconSize.cy;
	m_iconSize.cx = m_iconSize.cy;
	MTLVERIFY( m_imgList.Create(m_iconSize.cx, m_iconSize.cy, ILC_COLOR24 | ILC_MASK, nCount, 1) );
	MTLVERIFY( m_imgList.Add( bmp, RGB(255, 0, 255) ) != -1 );
}

int CShoshTreeCtrl::AddImageList(const char* stfilePath)
{
	bool bRet=  m_xImage->Load(stfilePath,CXIMAGE_FORMAT_PNG);
	CDC *pDC = GetDC();

	Bitmap * pbmp = GetNewBitmap(stfilePath);
	if (pbmp == NULL) return -1;
	m_pBitMapList2.push_back(pbmp);

	Color cr = Color::White;


	HBITMAP hBitmap = NULL ;//m_xImage->MakeBitmap(pDC->GetSafeHdc());
	pbmp->GetHBITMAP( cr, &hBitmap );

	if ( NULL != hBitmap )  
	{  

		CBitmap* pBitmap;

		pBitmap = new CBitmap;
		m_pBitMapList.push_back(pBitmap);
		pBitmap->Attach(hBitmap);   

		int nRetNum = m_ImageList.Add(pBitmap,RGB(0,0,0));
		return nRetNum;
	}
	return -1;
}

void CXTPChartControl::SaveAsImage(LPCTSTR lpszFilePath, CSize szBounds)
{
	CBitmap bmp;
	bmp.Attach(CXTPImageManager::Create32BPPDIBSection(0, szBounds.cx, szBounds.cy, 0));

	{
		CDC dc;
		dc.CreateCompatibleDC(NULL);

		CBitmap* pOldBitmap = dc.SelectObject(&bmp);

		CRect rc(0, 0, szBounds.cx, szBounds.cy);
		CXTPChartDeviceContext* pDC = m_pContent->CreateDeviceContext(this, dc, rc, FALSE);

		if (pDC)
		{
			m_pContent->DrawContent(pDC, rc);

			delete pDC;
		}

		dc.SelectObject(pOldBitmap);
	}

	CXTPChartDeviceContext::SaveToFile((HBITMAP)bmp.GetSafeHandle(), lpszFilePath);
}

void CQuickScripts::_PrepareViewCommands(int iIndex, const ViewResource &view, int nLoop, int nCel)
{
    ASSERT(iIndex < 10);
    UINT nID = ID_GOTOVIEW1 + iIndex;
    _viewNumbers[iIndex] = view.GetResourceNumber();
    // Ensure we have a command entry for this.
    CExtCmdItem *pCmdItem;
	pCmdItem = g_CmdManager->CmdGetPtr(theApp._pszCommandProfile, nID);
    if (pCmdItem == NULL)
    {
        pCmdItem = g_CmdManager->CmdAllocPtr(theApp._pszCommandProfile, nID);
    }
    // Update the command entry with an icon and text
    if (pCmdItem)
    {
        CBitmap bitmap;
        // Note: if the index is out of bounds, it will return a NULL HBITMAP
        bitmap.Attach(view.GetBitmap(MAKE_INDEX(nLoop, nCel), 24, 24));
        if ((HBITMAP)bitmap == NULL)
        {
            // Load an all black bitmap, to indicate the loop/cel are invalid.
            bitmap.LoadBitmap(IDB_BITMAPNULL);
        }
        CExtBitmap extBitmap;
        extBitmap.FromBitmap((HBITMAP)bitmap);
        g_CmdManager->CmdSetIcon(theApp._pszCommandProfile, nID, extBitmap, RGB(255, 255, 255), CRect(0, 0, 24, 24));
        std::string name = theApp.GetResourceMap().FigureOutName(RS_VIEW, view.GetResourceNumber());
        pCmdItem->m_sMenuText = name.c_str();
        pCmdItem->m_sTipTool = pCmdItem->m_sMenuText;
    }
}

BOOL CPreferencesDlg::OnInitDialog()
{
	ASSERT( !m_bSaveIniFile );
	BOOL bResult = CTreePropSheet::OnInitDialog();
	InitWindowStyles(this);

	for (int i = 0; i < m_pages.GetSize(); i++)
	{
		if (GetPage(i)->m_psp.pszTemplate == m_pPshStartPage)
		{
			SetActivePage(i);
			break;
		}
	}

	//Xman Preferences Banner
	CBitmap bmp;
	VERIFY( bmp.Attach(theApp.LoadImage(_T("BANNER"), _T("JPG"))) );
	if (bmp.GetSafeHandle())
	{
		m_banner.SetTexture((HBITMAP)bmp.Detach());	
		m_banner.SetFillFlag(KCSB_FILL_TEXTURE);
		m_banner.SetSize(75);
		m_banner.SetTitle(_T(""));
		m_banner.SetCaption(_T(""));
		m_banner.Attach(this, KCSB_ATTACH_RIGHT);
	}
	//Xman end

	Localize();	
	return bResult;
}

BOOL CWndLog::Create(CWnd *pParent)
{
	CRect rc (0, 0, 50, 50);

	if (FALSE == CListCtrl::Create (LVS_REPORT|LVS_NOSORTHEADER|LVS_SHOWSELALWAYS|LVS_OWNERDRAWFIXED, rc, pParent, 0x76329))
		return FALSE;

	SetExtendedStyle (LVS_EX_FULLROWSELECT|LVS_EX_HEADERDRAGDROP);

	

	m_images.Create (16, 15, ILC_COLOR24 | ILC_MASK, 6, 1);
	CBitmap bmp;
	bmp.Attach (SBMP (IDB_LOGSTATES));
	m_images.Add (&bmp, RGB (255, 0, 255));
	SetImageList (&m_images, LVSIL_SMALL);

	InsertColumn (0, "Time", LVCFMT_LEFT, 80, 0);
	InsertColumn (1, "Date", LVCFMT_LEFT, 100, 0);
	InsertColumn (2, "Information", LVCFMT_LEFT, 400, 0);

	ShowWindow (SW_SHOW);

	return TRUE;
}

int CTDLLanguageComboBox::AddString(LPCTSTR szLanguage, HBITMAP hbmFlag, DWORD dwItemData)
{
	// create and associate the image list first time around
	if (m_il.GetSafeHandle() == NULL)
	{
		m_il.Create(16, 11, ILC_COLOR32 | ILC_MASK, 1, 1);
		SetImageList(&m_il);
	}

	COMBOBOXEXITEM cbe;

	cbe.mask = CBEIF_IMAGE | CBEIF_SELECTEDIMAGE | CBEIF_TEXT | CBEIF_LPARAM;
	cbe.iItem = GetCount();
	cbe.pszText = (LPTSTR)szLanguage;
	cbe.lParam = dwItemData;
	cbe.iImage = cbe.iSelectedImage = GetCount();

	if (hbmFlag == NULL)
		hbmFlag = CEnBitmap::LoadImageResource(IDR_YOURLANG_FLAG, _T("GIF"));

	CBitmap tmp;
	tmp.Attach(hbmFlag); // will auto cleanup
	m_il.Add(&tmp, (COLORREF)-1);

	return InsertItem(&cbe);
}

// 读取图片(从文件读)
BOOL LoadBitmapFromFile(const CString strPathFile, CBitmap &bitmap, CSize &size)
{	
	HBITMAP hBitmap = NULL;
#ifdef _UNICODE
	Bitmap* pBitmap = Bitmap::FromFile(strPathFile);
#else
	Bitmap* pBitmap = Bitmap::FromFile(CEncodingUtil::AnsiToUnicode(strPathFile));
#endif
	Status status = pBitmap->GetLastStatus();
	if(Ok == status)
	{		
		status = pBitmap->GetHBITMAP(Color(0,0,0), &hBitmap);
		if(Ok == status)
		{
			if(bitmap.m_hObject != NULL)
			{
				bitmap.Detach();
			}
			bitmap.Attach(hBitmap);
			
			BITMAP bmInfo;
			::GetObject( bitmap.m_hObject, sizeof(BITMAP), &bmInfo );
			size.cx = bmInfo.bmWidth;
			size.cy = bmInfo.bmHeight;

			delete pBitmap;

			return TRUE;
		}
	}

	return FALSE;
}

void CbehaviorView::LoadImage()
{
	HBITMAP hBitmap;  
	CString filename;  
	CString BMPFolder;  
	CString str;  

	CImage layerPng;  

	//str.Format("layer (%d).png", layernum);  

	//filename = BMPFolder + "\\" + str;  
	filename = "D:\\fish_editor\\mini_hammer-master\\workplace\\media\\fish_base\\plist\\8goldItem.png";

	layerPng.Load(filename);  
	hBitmap=layerPng.Detach();  
	CBitmap bmp;  
	BITMAP l_bitMap;  
	bmp.Attach(hBitmap);  
	bmp.GetBitmap(&l_bitMap);  

	int height = l_bitMap.bmHeight;  
	int width = l_bitMap.bmWidth;  

	bmp.GetBitmapBits(128 * 128 * 4, m_lpBuf);
}

LRESULT CFolderListCtrl::OnSendFileBmp( WPARAM wParam, LPARAM lParam )
{
	FPTFileBmp * pImgInfo = reinterpret_cast<FPTFileBmp*>(lParam);
	LVFINDINFO lvFI;
	int nItem;

	if( !pImgInfo )
		return 0;

	bSetBmp = true;
	lvFI.flags = LVFI_PARAM;
	lvFI.lParam = pImgInfo->m_nItemID;
	nItem = FindItem( &lvFI );

	if( nItem != -1 )
	{
		CFLCItemData * pData = reinterpret_cast<CFLCItemData*>(GetItemData( nItem ));

		if( !pData->m_bProcessed && pData->m_sFilePath == pImgInfo->m_sFilePath )
		{
			if( pImgInfo->m_nRetCode == FDE_OK && m_pimlThumbnails )
			{
				CBitmap bmp;

				bmp.Attach( pImgInfo->m_hBmp );

				int nPos = m_pimlThumbnails->Add( &bmp, RGB( 0, 0, 0 ) );

				bmp.Detach();
				
				if( nPos >= 0 )
				{
					pData->m_bProcessed = true;
					pData->m_nThumbnailInd = nPos;
					if( m_flvtViewType == flvtThumbnail )
						SetValidItemImage( nItem );
				}
			}
			pData->m_bProcessed = true;
			m_nImageBalance--;

			if( AfxGetMainWnd() )
				static_cast<CScadViewerFrame*>(AfxGetMainWnd())->GetStatusBar().IncFilePos();
		}
	}

	if( pImgInfo->m_hBmp )
		::DeleteObject( pImgInfo->m_hBmp );
	delete pImgInfo;
#ifdef SHOW_FILL_TIME
	if (m_nImageBalance==0)
	{
		CSCADViewerStatBar &theStatusBar = ((CScadViewerFrame*)AfxGetMainWnd())->GetStatusBar();
		theStatusBar.SetGenInfo(Timer.StopStr());

	}
#endif
	bSetBmp = false;
	return 1;
}

/**
 * Loads a bmp file.
 */
void CPreviewRect::LoadBitmap(const CString& Path)
{
	// reset first
	Reset(FALSE);

	CBitmap* attempt = new CBitmap;

	HBITMAP hbmp = (HBITMAP)LoadImage(0, Path, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE | LR_CREATEDIBSECTION);

	if (hbmp && attempt->Attach(hbmp))
	{
		m_bitmap = attempt;

		// take ownership
		m_borrowed = false;

		CRect client;
		GetClientRect(&client);

		// zoom to client rect
		m_visible = doZoomBitmap(m_bitmap, client);
	}

	else
	{
		delete attempt;
	}

	// show image
	doRequestGraphicalUpdate();
}

void CViewSockImage::OnDraw(CDC* pDC)
{
	CDocument* pDoc = GetDocument();
	// 這邊畫 圖片
	/////////////////////////////////////////////////////////////////////
	CRect RectImage;
	GetClientRect( &RectImage );
	if(m_pBitmap != NULL)  
	{  
		CBitmap   bmp;  
		if(bmp.Attach(m_pBitmap))  
		{  
			CString csW = _T("");
			
			BITMAP   bmpInfo;  
			bmp.GetBitmap(&bmpInfo);  
			
			CDC   dcMemory;  
			dcMemory.CreateCompatibleDC(pDC);  
			dcMemory.SelectObject(&bmp);  
			pDC->SetStretchBltMode(HALFTONE);  
			pDC->StretchBlt(RectImage.left,RectImage.top,RectImage.Width(),RectImage.Height(),&dcMemory,0,0,
				bmpInfo.bmWidth,bmpInfo.bmHeight,SRCCOPY);  
			bmp.Detach();

			//
			m_w = bmpInfo.bmWidth;
			m_h = bmpInfo.bmHeight;
		}  
	}  
	//

	m_pBitmap = NULL;
}

/**
 *  This function replaces the colour in the top-left pixel of the bitmap with 
 *  dstColour.  It only works with 8bpp, 24bpp and 32bpp images.  It has only 
 *  been tested with 8bpp images.
 *
 *  @param hbitmap      The bitmap to change.
 *  @param dstColour    The colour to replace with.
 */
void 
controls::replaceColour
(
    HBITMAP             hbitmap,
    COLORREF            dstColour        
)
{
    if (hbitmap == NULL)
        return;

    CBitmap bitmap;
    bitmap.Attach(hbitmap);
    CDC dc;
    dc.CreateCompatibleDC(NULL);
    CBitmap *oldBMP = dc.SelectObject(&bitmap);
    COLORREF srcColour = dc.GetPixel(0, 0);
    BITMAP bitmapInfo;
    bitmap.GetBitmap(&bitmapInfo);
    for (int y = 0; y < bitmapInfo.bmHeight; ++y)
    {
        for (int x = 0; x < bitmapInfo.bmWidth; ++x)
        {
            COLORREF thisPixel = dc.GetPixel(x, y);
            if (thisPixel == srcColour)
                dc.SetPixel(x, y, dstColour);
        }
    }
	dc.SelectObject(oldBMP);
    bitmap.Detach();
    replaceColour(hbitmap, srcColour, dstColour);
}

void CVideoClientDlg::OnLoadPNG(LPCTSTR Path, CRect m_Rect)
{
	ATL::CImage img;
	HRESULT ret = img.Load(Path); //要加载的图片名称，包含路径
	HBITMAP hbitmap = img.Detach();

	//像操作 BMP 图片一样处理图片 ,下面是显示图片的操作
	CPaintDC dc(this);// 用于绘制的设备上下文
	CRect rect;    
	GetClientRect(&rect);  
	CBitmap pngBackground;
	BITMAP bitmap;
	CDC memdc;
	pngBackground.Attach(hbitmap);
	memdc.CreateCompatibleDC(&dc);
	pngBackground.GetBitmap(&bitmap);  //建立绑定关系  
	CBitmap  *pbmpOld=memdc.SelectObject(&pngBackground);   //保存原有CDC对象，并选入新CDC对象入DC  
	dc.SetStretchBltMode(COLORONCOLOR);//防止bmp图片失真
	dc.StretchBlt(0,0,rect.Width(),rect.Height(),&memdc,0,0,bitmap.bmWidth,bitmap.bmHeight,SRCCOPY);
	memdc.SelectObject(pbmpOld);

	//程治谦 2015-1-13 防止内存泄漏
	(*pbmpOld).DeleteObject();
	DeleteObject(hbitmap);
	img.Destroy();
	pngBackground.DeleteObject();  
	memdc.DeleteDC(); 
}

CPlayerToolBar::CPlayerToolBar()
	: fDisableImgListRemap(false)
	, m_pButtonsImages(NULL)
	, m_hDXVAIcon(NULL)
{
	HBITMAP hBmp = CMPCPngImage::LoadExternalImage(L"gpu", IDB_DXVA_ON, IMG_TYPE::UNDEF);
	BITMAP bm = { 0 };
	::GetObject(hBmp, sizeof(bm), &bm);

	if (CMPCPngImage::FileExists(CString(L"gpu")) && (bm.bmHeight > 32 || bm.bmWidth > 32)) {
		hBmp = CMPCPngImage::LoadExternalImage(L"", IDB_DXVA_ON, IMG_TYPE::UNDEF);
		::GetObject(hBmp, sizeof(bm), &bm);
	}

	if (bm.bmWidth <= 32 && bm.bmHeight <= 32) {
		CBitmap *bmp = DNew CBitmap();
		bmp->Attach(hBmp);

		CImageList *pButtonDXVA = DNew CImageList();
		pButtonDXVA->Create(bm.bmWidth, bm.bmHeight, ILC_COLOR32 | ILC_MASK, 1, 0);
		pButtonDXVA->Add(bmp, static_cast<CBitmap*>(NULL));

		m_hDXVAIcon = pButtonDXVA->ExtractIcon(0);

		delete pButtonDXVA;
		delete bmp;
	}

	iDXVAIconHeight	= bm.bmHeight;
	iDXVAIconWidth	= bm.bmWidth;

	DeleteObject(hBmp);
}