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imagepalettetotruecolor

Description

The imagepalettetotruecolor of Image for PHP converts a palette based image to true color.

Syntax

imagepalettetotruecolor(
    GdImage $image
): bool

Parameters

image

A GdImage object, returned by one of the image creation functions, such as imagecreatetruecolor().

Return

Returns true if the convertion was complete, or if the source image already is a true color image, otherwise false is returned.

Examples

1 · return

<?

$width = 100;
$height = 100;
$image = imagecreate($width, $height);

$return = imagepalettetotruecolor($image);

var_export($return);

true

2 · base64

<?

$width = 100;
$height = 100;
$image = imagecreate($width, $height);

imagepalettetotruecolor($image);

ob_start();

    imagepng($image);

$output = ob_get_clean();

echo '<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,' . base64_encode($output) . '">
</body>
</html>';

<!doctype html>
<html>
<body>
    <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAABkCAYAAABw4pVUAAAACXBIWXMAAA7EAAAOxAGVKw4bAAABAElEQVR4nO3RQQ0AIBDAsAP/nuGNAvZoFSzZmpkzZOzfAbwMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEkxpAYQ2IMiTEk5gLcywHHnWLL6AAAAABJRU5ErkJggg==">
</body>
</html>