1.位图文件是单独存放在硬盘上的 2.以下方法可以选择位图文件么?如果行,请帮助怎样显示
static char BASED_CODE szFilter[] = "BMP Files (*.BMP)|*.mft|All Files (*.*)|*.*||";
CFileDialog CFDlg(true,"*.BMP",NULL,OFN_HIDEREADONLY | OFN_LONGNAMES ,szFilter);
if(CFDlg.DoModal()==IDOK)
{.....//请问这里插入哪些代码可以将选择的位图文件显示
}
...........谢谢!!
static char BASED_CODE szFilter[] = "BMP Files (*.BMP)|*.mft|All Files (*.*)|*.*||";
CFileDialog CFDlg(true,"*.BMP",NULL,OFN_HIDEREADONLY | OFN_LONGNAMES ,szFilter);
if(CFDlg.DoModal()==IDOK)
{.....//请问这里插入哪些代码可以将选择的位图文件显示
}
...........谢谢!!
邮件贴出来,给你个完整的贴图程序自己看去吧。
CBitmap m_bmp;
在打开图片的函数中加:
static char BASED_CODE szFilter[] = "bmp Files (*.bmp)|*.mft|All Files (*.*)|*.*||";
CFileDialog CFDlg(true,"*.BMP",NULL,OFN_HIDEREADONLY | OFN_LONGNAMES ,szFilter);
if(CFDlg.DoModal()==IDOK)
{
CString filename=CFDlg.GetPathName();
HBITMAP hbmp;
if( m_bmp.m_hObject != NULL )//判断
{
m_bmp.DeleteObject();
}
/////////载入图片
hbmp = (HBITMAP)::LoadImage(AfxGetInstanceHandle(),
filename, IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION|LR_LOADFROMFILE);
if( hbmp == NULL )
return ;
//////取得加载的BMP的信息//////
m_bmp.Attach( hbmp );
DIBSECTION ds;
BITMAPINFOHEADER &bminfo = ds.dsBmih;
m_bmp.GetObject( sizeof(ds), &ds );
int cx=bminfo.biWidth; //得到图像宽度
int cy=bminfo.biHeight; //得到图像高度
////得到图像宽度和高度,调整控件的大小,让它正好显示一张图片
CRect rect;
GetDlgItem(IDC_STATIC1)->GetWindowRect(&rect);//控件的指针
ScreenToClient(&rect);
GetDlgItem(IDC_STATIC1)->MoveWindow(rect.left,rect.top,cx,cy,true);
//调整大小
InvalidateRect(rect,TRUE);
}
在OnPaint()中加: CPaintDC dc(GetDlgItem(IDC_STATIC1)); //得到picture控件的DC,图像将被绘制在控件上
CRect rcclient;
GetDlgItem(IDC_STATIC1)->GetClientRect(&rcclient);
CDC memdc;
memdc.CreateCompatibleDC(&dc);
CBitmap bitmap;
bitmap.CreateCompatibleBitmap(&dc, rcclient.Width(), rcclient.Height());
memdc.SelectObject( &bitmap );
CWnd::DefWindowProc(WM_PAINT, (WPARAM)memdc.m_hDC , 0);
CDC maskdc;
maskdc.CreateCompatibleDC(&dc);
CBitmap maskbitmap;
maskbitmap.CreateBitmap(rcclient.Width(), rcclient.Height(), 1, 1, NULL);
maskdc.SelectObject( &maskbitmap );
maskdc.BitBlt( 0, 0, rcclient.Width(), rcclient.Height(), &memdc,
rcclient.left, rcclient.top, SRCCOPY);
CBrush brush;
brush.CreatePatternBrush(&m_bmp);
dc.FillRect(rcclient, &brush);
dc.BitBlt(rcclient.left, rcclient.top, rcclient.Width(), rcclient.Height(),
&memdc, rcclient.left, rcclient.top,SRCPAINT);
brush.DeleteObject();调试通过!