MFC中CBitmap的简单复制方法 (Copy CBitmap)
在这里为大家提供一种CBitmap复制的方法
经过自己的一层封装,就形成的非常好用的CBitmap的复制工具函数
先看函数实现:
|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 |
HBITMAP CMyDialog::CopyBitmap(HBITMAP hSourceHbitmap) { CDC sourceDC; CDC destDC; sourceDC.CreateCompatibleDC(NULL); destDC.CreateCompatibleDC(NULL); //The bitmap information. BITMAP bm = {0}; //Get the bitmap information. ::GetObject(hSourceHbitmap, sizeof(bm), &bm); // Create a bitmap to hold the result HBITMAP hbmResult = ::CreateCompatibleBitmap(CClientDC(NULL), bm.bmWidth, bm.bmHeight); HBITMAP hbmOldSource = (HBITMAP)::SelectObject(sourceDC.m_hDC, hSourceHbitmap); HBITMAP hbmOldDest = (HBITMAP)::SelectObject(destDC.m_hDC, hbmResult); destDC.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &sourceDC, 0, 0, SRCCOPY ); // Restore DCs ::SelectObject(sourceDC.m_hDC, hbmOldSource); ::SelectObject(destDC.m_hDC, hbmOldDest); ::DeleteObject(sourceDC.m_hDC); ::DeleteObject(destDC.m_hDC); return hbmResult; } |
接下来函数调用:
|
1 2 3 4 |
//这样简单的操作就可以实现CBitmap的复制 CBitmap CpyBitmap; //返回值可以检测是否图片拷贝成功 CpyBitmap->Attach(CopyBitmap(SrcBitmap)); |
Trackback from your site.