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Funções da GD
PHP Manual

# imagesetbrush

(PHP 4 >= 4.0.6, PHP 5)

imagesetbrush — Set the brush image for line drawing

### Descrição

bool imagesetbrush ( resource `$image` , resource `$brush` )

imagesetbrush() sets the brush image to be used by all line drawing functions (such as imageline() and imagepolygon()) when drawing with the special colors `IMG_COLOR_BRUSHED` or `IMG_COLOR_STYLEDBRUSHED`.

### Parâmetros

`image`

  An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().

`brush`

  An image resource.

### Valor Retornado

Retorna `TRUE` em caso de sucesso ou `FALSE` em falhas.

### Exemplos

Exemplo #1 imagesetbrush() example

`<?php
// Load a mini php logo
$php = imagecreatefrompng('./php.png');
// Create the main image, 100x100
$im = imagecreatetruecolor(100, 100);
// Fill the background with white
$white = imagecolorallocate($im, 255, 255, 255);
imagefilledrectangle($im, 0, 0, 299, 99, $white);
// Set the brush
imagesetbrush($im, $php);
// Draw a couple of brushes, each overlaying each
imageline($im, 50, 50, 50, 60, IMG_COLOR_BRUSHED);
// Output image to the browser
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
imagedestroy($php);
?>`

O exemplo acima irá imprimir algo similar a:

### Notas

> Nota: You need not take special action when you are finished with a brush, but if you destroy the brush image, you must not use the `IMG_COLOR_BRUSHED` or `IMG_COLOR_STYLEDBRUSHED` colors until you have set a new brush image!

imagesavealpha
imagesetpixel
Funções da GD
PHP Manual