RE: [PHP] How to add a new color to JPEG
| From: | Jeff Lewis | Date: | Tue, 10 Jul 2001 22:00:00 +0000 |
| Subject: | RE: [PHP] How to add a new color to JPEG | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-57249@lists.php.net to get a copy of this message | ||
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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