Cimage converts an image to a specified pixel size

Cfiledialog fdlg (true, "jpg", "", ofn_hidereadonly | ofn_overwriteprompt, "JPG files (*. jpg) | *. jpg | ");

If (fdlg. domodal ()! = Idok) return;

Cimage imsrc, imdest;

Imsrc. Load (fdlg. getpathname ());

HDC = imsrc. getdc ();

CDC * PDC = CDC: fromhandle (HDC );

Cbitmap BMP;

BMP. createcompatiblebitmap (PDC, 152,200 );

CDC memdc;

Memdc. createcompatibledc (PDC );

Cbitmap * pold = memdc. SelectObject (& BMP );

: Setstretchbltmode (memdc. m_hdc, halftone );

: Setbrushorgex (memdc. m_hdc, 0, 0, null );

Imsrc. stretchblt (memdc. m_hdc, crect (152,200,)/* destrect */, crect (, imsrc. getwidth (), imsrc. getheight ()/* sourcerect */, srccopy );

// 152,200 is the width and height of the image you want (in pixels)

Hbitmap = (hbitmap) memdc. SelectObject (pold-> m_hobject );

Imdest. Attach (hbitmap); // load bitmap Resources

Cfiledialog fdlg1 (false, "BMP", "", ofn_hidereadonly | ofn_overwriteprompt, "BMP files (*. BMP) | *. BMP | ");

If (fdlg1.domodal ()! = Idok) return;

Imdest. Save (fdlg1.getpathname ());

Imsrc. releasedc ();

Imsrc. Destroy ();

Imdest. Destroy ();

Cimage converts an image to a specified pixel size