PHP.nl

imageistruecolor

imageistruecolor

Finds whether an image is a truecolor image

bool **imageistruecolor** GdImage $image
finds whether the image
is a truecolor image.

imageistruecolor``image

Returns true if the is truecolor, false otherwise. image

**Voorbeeld: Simple detection of true color image instances using **

<?php
// $im is an image instance

// Check if image is a true color image or not
if(!imageistruecolor($im))
{
    // Create a new true color image instance
    $tc = imagecreatetruecolor(imagesx($im), imagesy($im));

    // Copy over the pixels
    imagecopy($tc, $im, 0, 0, 0, 0, imagesx($im), imagesy($im));

    $im = $tc;
    $tc = NULL;

    // OR use imagepalettetotruecolor()
}

// Continue working with image instance
?>

imagecreatetruecolor``imagepalettetotruecolor