PHP | GmagickDraw getfillopacity() Function

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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('zambiatek.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

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