PHP | Imagick flopImage() Function

The Imagick::flopImage() function is an inbuilt function in PHP which is used to create a horizontal mirror image.

Syntax:

bool Imagick::flopImage( void )

Parameters: This function does not accept any parameter.

Return Value: This function returns True on success.

Below programs illustrate the Imagick::flopImage() function in PHP:



Program 1:
Original Image:
https://cdncontribute.geeksforgeeks.org/wp-content/uploads/geeks-21.png

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<?php
  
// Create new Imagick object
$imagick = new Imagick(
  
// Using blueShiftImage function
$imagick->flopImage();
  
header("Content-Type: image/jpg");
echo $imagick->getImageBlob();
  
?>

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Output:

https://cdncontribute.geeksforgeeks.org/wp-content/uploads/gfg-flopimage-snapshot.png

Program 2:
Original Image:
https://cdncontribute.geeksforgeeks.org/wp-content/uploads/gfg_flopimage_before.png

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<?php 
  
$string = "Computer Science portal for Geeks!"
  
// Creating new image of above String 
// and add color and background 
$im = new Imagick(); 
$draw = new ImagickDraw(); 
  
// Fill the color in image 
$draw->setFillColor(new ImagickPixel('green')); 
  
// Set the text font size 
$draw->setFontSize(50); 
  
$metrix = $im->queryFontMetrics($draw, $string); 
$draw->annotation(0, 40, $string); 
$im->newImage($metrix['textWidth'], $metrix['textHeight'], 
        new ImagickPixel('white')); 
  
// Draw the image         
$im->drawImage($draw); 
$im->setImageFormat('jpeg');
  
// using blueShiftImage function
$im->flopImage();
   
header("Content-Type: image/jpg");
echo $im->getImageBlob();
?>

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Output:

https://cdncontribute.geeksforgeeks.org/wp-content/uploads/gfgflopimage_After.png

Reference: http://php.net/manual/en/imagick.flopimage.php



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