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# imagecolortransparent

(PHP 4, PHP 5)

imagecolortransparent — Define a color as transparent

### Opis

int imagecolortransparent ( resource `$image` [, int `$color` ] )

Sets the transparent color in the given `image` .

### Parametry

`obraz`

  Zasób obrazu, zwrócony przez jedną z funkcji tworzących obrazy, taką jak imagecreatetruecolor().

`color`

  A color identifier created with imagecolorallocate()

### Zwracane wartości

The identifier of the new (or current, if none is specified) transparent color is returned.

### Notatki

> Informacja: Transparency is copied only with imagecopymerge() and true color images, not with imagecopy() or pallete images.

> Informacja: The transparent color is a property of the image, transparency is not a property of the color. Once you have set a color to be the transparent color, any regions of the image in that color that were drawn previously will be transparent.

imagecolorstotal
imageconvolution
GD Funkcje
PHP Manual