ImagickPixel::getColorCount
QUOTE: $color The channel to check, specified as one of the Imagick channel constants.
$color is a COLOR_* constant, not a channel constant
e.g.
<?php
$image=new Imagick();
$image->readImage('test.png');
$point=$image->getImagePixelColor(0,0);
echo ' Alpha:'.$point->getColorValue(imagick::COLOR_ALPHA);
echo ' Opacity:'.$point->getColorValue(imagick::COLOR_OPACITY);
echo ' R:'.$point->getColorValue(imagick::COLOR_RED);
echo ' G:'.$point->getColorValue(imagick::COLOR_GREEN);
echo ' B:'.$point->getColorValue(imagick::COLOR_BLUE);
?>
ImagickPixel::getColorValue
(PECL imagick 2.0.0)
ImagickPixel::getColorValue — Gets the normalized value of the provided color channel
Descrição
float ImagickPixel::getColorValue
( int $color
)
Aviso
Esta função não está documentada; somente a lista de argumentos está disponível.
Retrieves the value of the color channel specified, as a floating-point number between 0 and 1.
Parâmetros
- color
-
The channel to check, specified as one of the Imagick channel constants.
Valor Retornado
The value of the channel, as a normalized floating-point number, throwing ImagickPixelException on error.
User Contributed Notes
ImagickPixel::getColorValue
ImagickPixel::getColorValue
mwwaygoo AT hotmail DOT com
18-May-2010 07:56
18-May-2010 07:56