imagecolorexactalpha
Descrizione
int imagecolorexactalpha ( resource image, int red, int green, int blue, int alpha )Returns the index of the specified color+alpha in the palette of the image.
Elenco dei parametri
- image
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
- red
Value of red component
- green
Value of green component
- blue
Value of blue component
- alpha
A value between 0 and 127. 0 indicates completely opaque while 127 indicates completely transparent.
Valori restituiti
Returns the index of the specified color+alpha in the palette of the image, or -1 if the color does not exist in the image's palette.