RE: [PHP] How to add a new color to JPEG
| From: | James Cox | Date: | Tue, 10 Jul 2001 22:37:43 +0000 |
| Subject: | RE: [PHP] How to add a new color to JPEG | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-57254@lists.php.net to get a copy of this message | ||
hmm.
If what I understand from your ImageColorClosest(); function, why don't you
just add yellow to the palette? that way it can be found by the function,
but isn't used in the image?
HTH,
James Cox
apologies jeff for sending it twice to you :)
> -----Original Message-----
> From: Jeff Lewis [mailto:jeff@hyrum.net]
> Sent: 10 July 2001 23:00
> To: sed@sed.is; php-general@lists.php.net
> Subject: RE: [PHP] How to add a new color to JPEG
>
>
> Hmm, I create my image from scratch and haven't tried drawing on
> an existing
> pallette. If your start image is always a blank black box you
> could always
> create it on the fly...
>
> > -----Original Message-----
> > From: SED [mailto:sed@sed.is]
> > Sent: Tuesday, July 10, 2001 1:52 PM
> > To: jeff@hyrum.net; php-general@lists.php.net
> > Subject: RE: [PHP] How to add a new color to JPEG
> >
> >
> > Thats the problem, if I do that and the color is not used before in the
> > image, I get only the closest match. Note, if I add a yellow pixle into
> > the JPEG-image with Photoshop, save it and try it again, then I can use
> > the yellow for my text. However, I dont want to have the yellow dot in
> > my picture, only a yellow text.
> >
> > SED
> >
> > -----Original Message-----
> > From: Jeff Lewis [mailto:jeff@hyrum.net]
> > Sent: 10. júlí 2001 17:26
> > To: sed@sed.is; php-general@lists.php.net
> > Subject: RE: [PHP] How to add a new color to JPEG
> >
> >
> > Could try this:
> >
> > $blue = ImageColorAllocate($image, 0, 0, 255);
> >
> > Substitue blue for yellow and you'll be the appropriate RGB values for
> > the numbers.
> >
> > Jeff
> >
> > > -----Original Message-----
> > > From: SED [mailto:sed@sed.is]
> > > Sent: Tuesday, July 10, 2001 1:27 PM
> > > To: php-general@lists.php.net
> > > Subject: [PHP] How to add a new color to JPEG
> > >
> > >
> > > Lets say I have a black JPEG-image and I want to add yellow text to
> > > it, how can I define the yellow color?
> > >
> > > According to the manual, you can only get closest value of your
> > > desired color by letting the ImageColorClosest() find it. Therefore,
> > > if the image is totally black, you can not get the yellow color. I
> > > have not found a way to do this though I believe I have tried
> > > everything. And yet, I have not found any documents covering this
> > > other than PHP-manual.
> > >
> > > Do you know of a way to do this? Or do you know of other
> > > manuals/tutorials covering this issue?
> > >
> > > Regards,
> > > Sumarlidi Einar Dadason
> > >
> > > SED - Graphic Design
> > >
> > > ------------------------------------------
> > > Phone: (+354) 4615501
> > > Mobile: (+354) 8960376
> > > Fax: (+354) 4615503
> > > E-mail: sed@sed.is
> > > Homepage: www.sed.is
> > > ------------------------------------------
> > >
> > >
> > >
> > >
> > >
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