PHP | GmagickDraw getfillopacity() Function

The GmagickDraw::getfillopacity() function is an inbuilt function in PHP which is used to get the opacity used when drawing using the fill color or fill texture. Fully opaque is 1 and fully transparent is 0.

Syntax:

float GmagickDraw::getfillopacity( void )

Parameters: This function doesn’t accept any parameters.

Return Value: This function returns a float value containing the opacity.

Exceptions: This function throws GmagickDrawException on error.

Below given programs illustrate the GmagickDraw::getfillopacity() function in PHP:

Used Image:

Program 1:

<?php

// Create a new GmagickDraw object
$draw = new GmagickDraw();

// Get the Fill Opacity
$fillOpacity = $draw->getfillopacity();
echo $fillOpacity;
?>

Output:

0 // Which is the default value

Program 2:

<?php

// Create a new Gmagick object
$gmagick = new Gmagick('geeksforgeeks.png');

// Create a GmagickDraw object
$draw = new GmagickDraw();

// Set the color
$draw->setFillColor('#0E0E0E');

// Draw rectangle for background
$draw->rectangle(-10, -10, 800, 400);

// Set the fill color
$draw->setFillColor('yellow');

// Set the font size
$draw->setFontSize(20);

// Set the fill opacity
$draw->setfillopacity(1);

// Annotate a text
$draw->annotate(50, 30, 'The fill opacity here is '
    . $draw->getfillopacity());

// Set the fill opacity
$draw->setfillopacity(0.5);

// Annotate a text
$draw->annotate(50, 100, 'The fill opacity here is '
    . $draw->getfillopacity());

// Draw the image
$gmagick->drawImage($draw);

// Display the output image
header("Content-Type: image/png");
echo $gmagick->getImageBlob();
?>

Output:

Reference: https://www.php.net/manual/en/gmagickdraw.getfillopacity.php