imagecolorresolvealpha()
imagecolorresolvealpha - Get the index of the specified color + alpha or its closest possible alternative
Syntax
int imagecolorresolvealpha (
resource $image,
int $red,
int $green,
int $blue,
int $alpha)
Arguments
- 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 0and 127. 0indicates completely opaque while 127indicates completely transparent.
Description
This function is guaranteed to return a color index for a requested color, either the exact color or the closest possible alternative.
Version
PHP 4.0.6, 5
Return value
Returns a color index.