我在Dialog中添加了一个Pictrue控件(类型为CStatic),Type为“Bitmap”,请问各位如何在显示一幅较大的图的时候,把它完全显示在一个指定的区域内?
我只写了:
HBITMAP hBitmap = (HBITMAP)::LoadImage(NULL,"E:\\aaa.bmp",IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
m_ctrlPictrue.SetBitmap(hBitmap);
我只写了:
HBITMAP hBitmap = (HBITMAP)::LoadImage(NULL,"E:\\aaa.bmp",IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
m_ctrlPictrue.SetBitmap(hBitmap);
//加载位图
CBitmap bitmap;
bitmap.LoadBitmap(IDB_BITMAP1);
BITMAP bi;
bitmap.GetBitmap(&bi);
//选中位图
CDC memDC;
memDC.CreateCompatibleDC(GetDC());
memDC.SelectObject(&bitmap);
//缩放绘图
CRect rect;
m_static.GetClientRect(&rect);
m_static.GetDC()->StretchBlt(
0,0,rect.Width(),rect.Height(),
&memDC,
0,0,bi.bmWidth,bi.bmHeight,SRCCOPY);