Converts a palette based image to true color
Syntax
imagepalettetotruecolor(
GdImage $image
): boolParameters
imageA 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>
