OpenEuphoria

RE: displaying different bmp files

• Posted by "Derek Parnell" <ddparnell at bigpond.com> Jan 05, 2004
• 432 views

> -----Original Message-----
> From: sixs [mailto:sixs at ida.net]
> Subject: displaying different bmp files
> 
> 
> 
> Hello.
> I am getting different pictures from the internet. They are of various
> sizes. I display one, then anoher and I may want to redisplay 
> one I had
> previously displayed. Code is :
> hBitmap = loadBitmapFromFile(hSle9),
> then in onPaint  I am performing this code
>  
>              if db_table_size() > 0  then
>                         if atom(hBitmap) then
>                         deleteObject ( Bitmap54)
>                                     extent = getExtent(MyWin)
>                                     i = 241
>                                     j = 42
>                                     drawBitmap( MyWin, hBitmap, i, j)
>                         end if
>             end if
> The pictures are not of the same size and so some of the previous
> picture is left on the screen. How do I remove the previous picture
> without forcing each picture to be the same size,  or must I edit each
> picture in a photo program????
> Thanks  for any help

Does this help? ...

  if db_table_size() > 0  then
    if atom(hBitmap) then
      deleteObject ( Bitmap54)
      extent = getCtlSize(MyWin)
      bmsize = getCtlSize(hBitmap)
      i = bmsize[1]
      j = bmsize[2]
      drawBitmap( MyWin, hBitmap, i, j)
    end if
  end if

-- 
Derek