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[edit] Last updated: Fri, 24 Feb 2012

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imagepalettecopy

(PHP 4 >= 4.0.1, PHP 5)

imagepalettecopyCopia a paleta de uma imagem para a outra

Descrição

void imagepalettecopy ( resource $destination , resource $source )

imagepalettecopy() copia a paleta da imagem de source para a imagem destination.

Parâmetros

destination

O resource da imagem de destino

source

O resource do fonte da imagem

Valor Retornado

Não há valor retornado.



add a note add a note User Contributed Notes imagepalettecopy
buzz at nospam dot oska dot com 20-Oct-2005 10:51
actually it doesn't "copy" the palette exactly.  It copys the colors from the source palette to the destination image.   the palette you end up with in the destination image will be "same colors different order".   If you want an EXACT palette copy (at the expense of messing up your image if you aren't careful), then use this code:
<?
// this is a drop-in replacement for imagepalettecopy, except that it make NO attempt to modifiy any of the
// colors in the dest image, just the palette.   The result?  if you're palette's aren't very similar, the image will look completely different, and likely terrible!
function imagepalettecopy_exact ( $dst_img, $src_img) {
    for( $c = 0 ; $c < imagecolorstotal($src_img); $c++) {
        $col = imagecolorsforindex($src_img,$c);  //get color at index 'c' in the color table
        imagecolorset($dst_img,$c,$col[red],$col[green],$col[blue]); //set color at index 'c' to $col in the $dst_image
    }
}

?>
Los Olvidados 09-Jan-2003 09:55
To be precise, this function replaces the palette in the destination.

 
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