imagecolorallocate

imagecolorallocate

Allocate a color for an image

 **imagecolorallocate** GdImage $image int $red int $green int $blue

Returns a color identifier representing the color composed of the given components.

must be called

to create each color that is to be used in the image represented by . imagecolorallocate``image

Opmerking: > The first call to fills the background color in palette-based images - images created using . imagecolorallocate``imagecreate

These parameters are integers between 0 and 255 or hexadecimals between 0x00 and 0xFF. redgd.value.red

greengd.value.green

bluegd.value.blue

A color identifier or false if the allocation failed.

Voorbeeld: example

<?php

$im = imagecreate(100, 100);

// sets background to red
$background = imagecolorallocate($im, 255, 0, 0);

// sets some colors
$white = imagecolorallocate($im, 255, 255, 255);
$black = imagecolorallocate($im, 0, 0, 0);

// hexadecimal way
$white = imagecolorallocate($im, 0xFF, 0xFF, 0xFF);
$black = imagecolorallocate($im, 0x00, 0x00, 0x00);

?>

imagecolorallocatealpha``imagecolordeallocate