OpenEuphoria

Re: JPEG Resolution

• Posted by Brian Broker <brian_broker at yahoo.com> Mar 13, 2006
• 525 views

Al Getz wrote:
> 
> Alex Chamberlain wrote:
> > 
> > Al Getz wrote:
> > > 
> > > Alex Chamberlain wrote:
> > > > 
> > > > Hi,
> > > > 
> > > > Can anyone help me by providing a function to tell me the resolution of
> > > > a JPEG
> > > > File?
> > > > 
> > > > I'm using GD at the moment.
> > > > 
> > > > Thanks,
> > > > 
> > > > Alex
> > > 
> > > Hi there,
> > > 
> > > 
> > > Are you talking about the DPI (dots per inch) ?
> > > 
> > > 
> > > Al
> > 
> > Yeah!
> 
> 
> Hi again Alex,
> 
> 
> Sorry, i have an inch thick stack of notes on the jpg file format
> and i cant seem to find anything on the dpi of the file.  It's 
> been so long now since i've worked with this i dont remember how
> to find or calculate this.  Maybe ask again or on another
> forum?
> 
> 
> Al
> 
> 
> My bumper sticker: "I brake for LED's"

Correct me if I'm wrong but isn't DPI a measurement of an output device?

How big is a pixel?
http://heim.ifi.uio.no/~gisle/photo/pixels.html

-- Brian