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Posted by spgedwards on 10/12/06 09:40
spgedwards@gmail.com wrote:
> I am trying to run a basic script that displays an existing jpeg image
> and writes some text over it. Sounds simple, but I cannot seem to be
> able to colour the font correctly. In the example below it should be
> black but it comes out orange. In fact, even if I change the colour to
> 0, 0, 255 it's orange.
>
> I've read in the PHP documentation (the user contributed notes) that
> there are issues with jpeg font colouring. But I've not seen any
> details. Can anyone shed light on this for me please?
>
> The example code below is called as a function. The $image variable is
> a path to the existing image file and the $ttf variable is a path to a
> TrueType font. The $text variable contains a text string.
>
> header("Content-type: image/jpeg");
> $base_image = imagecreatefromjpeg($image);
> $font = $ttf;
> $fontcolor = imagecolorallocate($base_image, 0, 0, 0);
> imagettftext($base_image, 18, 0, 10, 100, $fontcolor, $font, $text);
> imagejpeg($base_image); imagedestroy($base_image);
>
> Cheers,
> Si.
In case anyone with similar problems reads this thread I should point
out that I now believe the failure of the above script to be due to a
bug in an earlier-than-current version of PHP/GD. I am using PHP 4.4,
GD 2.0.26.
It seems that I'm not the only one to get a yellow/orange font (or
nothing, depending on what you set the font colour to) when using
imagettftext and imagecreatefromjpeg (or imagecreatetruecolor). I've
done a work-around involving merging images, but it's not perfect. I
guess the real answer is to upgrade.
Cheers,
Si.
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