Results 1 to 10 of 10

Thread: Alternate To StrechBlt

  1. Nov 23rd, 2000, 08:51 AM #1
    amitabh
    amitabh is offline

    Thread Starter
    PowerPoster
    Join Date
    Aug 2000
    Location
    India
    Posts
    2,288
    Is there an alternate API to StrechBlt? It seems to distort the colors on compressing the image.
    Reply With Quote Reply With Quote
  2. Nov 23rd, 2000, 03:32 PM #2
    Guest
    You can try VB's PaintPicture method.
    Reply With Quote Reply With Quote
  3. Nov 23rd, 2000, 04:30 PM #3
    KENNNY
    KENNNY is offline
    Hyperactive Member
    Join Date
    Jan 2000
    Posts
    355
    yeah but doesnt paintpicture call stretchtblt behind the scenes?
    buzzwords are the language of fools
    Reply With Quote Reply With Quote
  4. Nov 24th, 2000, 03:34 AM #4
    amitabh
    amitabh is offline

    Thread Starter
    PowerPoster
    Join Date
    Aug 2000
    Location
    India
    Posts
    2,288

    Exclamation

    Surprisingly, PaintPicture does a much better job than StrecthBlt.
    Reply With Quote Reply With Quote
  6. Nov 24th, 2000, 01:51 PM #5
    KENNNY
    KENNNY is offline
    Hyperactive Member
    Join Date
    Jan 2000
    Posts
    355
    yeah but its slow n horrible
    buzzwords are the language of fools
    Reply With Quote Reply With Quote
  7. Nov 24th, 2000, 02:04 PM #6
    Mad Compie
    Mad Compie is offline
    Fanatic Member Mad Compie's Avatar
    Join Date
    Aug 2000
    Location
    Kuurne (Belgium)
    Posts
    553
    You can use the SetStretchBltMode API for smooth shrinking (DELETE_SCANS) or enlarging (HALFTONE).
    Reply With Quote Reply With Quote
  8. Nov 25th, 2000, 10:46 AM #7
    Guest
    Kenny: Awhile ago, Kedaman did some tests on this and PaintPicture proved to be faster.

    NOTE: StretchBlt draws on DC's, whereas PaintPicture draws on StdPicture objects.

    Reply With Quote Reply With Quote
  9. Nov 25th, 2000, 12:16 PM #8
    KENNNY
    KENNNY is offline
    Hyperactive Member
    Join Date
    Jan 2000
    Posts
    355
    ok i withdraw whatever i said
    buzzwords are the language of fools
    Reply With Quote Reply With Quote
  11. Nov 25th, 2000, 08:30 PM #9
    Guest
    Well, actually, I think StretchBlt is faster for drawing an image without any modification (in which case, you'd use BitBlt).
    Reply With Quote Reply With Quote
  12. Nov 26th, 2000, 06:48 AM #10
    KENNNY
    KENNNY is offline
    Hyperactive Member
    Join Date
    Jan 2000
    Posts
    355
    yeah, cos bitblt is just a straight memcopy if you use srccopy as the op.

    buzzwords are the language of fools
    Reply With Quote Reply With Quote
« Previous Thread | Next Thread »

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules


Click Here to Expand Forum to Full Width