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(PHP 4, PHP 5)
imagecolorsforindex — Retorna as cores de um índice
Obtém a cor de um especificado índice.
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
Retorna um array associativo com as chaves vermelho, verde, azul e alpha que contém os apropriados valores para o especificado índice de cor.
Exemplo #1 Exemplo imagecolorsforindex()
<?php
// abre uma imagem
$im = imagecreatefrompng('nexen.png');
// obtém uma cor
$start_x = 40;
$start_y = 50;
$color_index = imagecolorat($im, $start_x, $start_y);
// torna legível
$color_tran = imagecolorsforindex($im, $color_index);
// Qual é?
print_r($color_tran);
?>
O exemplo acima irá imprimir algo similar a:
Array
(
[red] => 226
[green] => 222
[blue] => 252
[alpha] => 0
)
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angielski