PHP | ImagickDraw setFillOpacity() Function

The ImagickDraw::setFillOpacity() function is an inbuilt function in PHP which is used to set the opacity to use when drawing using the fill color or fill texture.

Syntax:

bool ImagickDraw::setFillOpacity( $fillOpacity )

Parameters: This function accepts a single parameter $fillOpacity which is used to hold the value of the opacity as float type.



Return Value: This function does not return any value.

Below programs illustrates the ImagickDraw::setFillOpacity() function in PHP:

Program 1:

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code

<?php
  
// require_once('vendor/autoload.php');
   
// Create ImagickDraw object
$draw = new \ImagickDraw();
  
// Set the strike color
$draw->setStrokeColor('Green');
   
// Use setFillColor() Function
$draw->setFillColor('Red');
   
// Use setFillOpacity() Function 
$draw->setFillOpacity(0.2);
   
$draw->setStrokeWidth(7);
   
// Create rectangle
$draw->rectangle(40, 30, 200, 260);
   
// Use setFillColor() Function
$draw->setFillColor('Red');
  
// Create rectangle of given size
$draw->rectangle(260, 30, 400, 260);
   
// Create an Imagick object
$image = new \Imagick();
      
$image->newImage(500, 300, 'white');
  
// Set the image format
$image->setImageFormat("png");
   
// Render the draw commands in the 
// ImagickDraw object into the image.
$image->drawImage($draw);
   
// Send the image to the browser
header("Content-Type: image/png");
echo $image->getImageBlob();
   
?>

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Output:
setFillOpacity

Program 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
  
// require_once('path/vendor/autoload.php');
   
// Create new ImagickDraw object
$draw = new \ImagickDraw();
   
// Set the stroke color
$strokeColor = new \ImagickPixel('Green');
  
// Set the filled color
$fillColor = new \ImagickPixel('Red');
  
// Set the stroke color
$draw->setStrokeColor('Green');
  
// Set the filled color
$draw->setFillColor('Red');
       
// Use setFillOpacity() Function
$draw->setFillOpacity(0.5);
  
// Set the stroke width
$draw->setStrokeWidth(2);
   
$smoothPointsSet = [ [
          ['x' => 10.0 * 5, 'y' => 10.0 * 5],
          ['x' => 30.0 * 5, 'y' => 90.0 * 5],
          ['x' => 25.0 * 5, 'y' => 10.0 * 5],
          ['x' => 50.0 * 5, 'y' => 50.0 * 5], ] ];
   
foreach ($smoothPointsSet as $points) {
    $draw->bezier($points);
}
  
// Create an image object
$imagick = new \Imagick();
  
$imagick->newImage(300, 300, 'White');
  
// Set the image format
$imagick->setImageFormat("png");
   
// Render the draw commands in the
// ImagickDraw object into the image.
$imagick->drawImage($draw);
   
// Send the image to the browser
header("Content-Type: image/png");
echo $imagick->getImageBlob();
?>

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Output:
setFillOpacity

Reference: http://php.net/manual/en/imagickdraw.setfillopacity.php



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