PHP | ImagickDraw pathLineToVerticalRelative() Function

0 0 1 minute read

The ImagickDraw::pathLineToVerticalRelative() function is an inbuilt function in PHP which is used draw a vertical line path from the current point to the target point using relative coordinates. The target point then becomes the new current point.

Syntax:

bool ImagickDraw::pathLineToVerticalRelative( float $y )

Parameters:This function accepts a single parameter $y which holds the y-coordinate.

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

Below given programs illustrate the ImagickDraw::pathLineToVerticalRelative() function in PHP:

Program 1:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick(); 
   
// Create a image on imagick object 
$imagick->newImage(800, 250, 'white'); 
   
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
   
// Set the stroke color 
$draw->setStrokeColor('blue'); 
   
// Set the stroke width 
$draw->setStrokeWidth(5); 
   
// Draw line using pathLineToVerticalRelative 
$draw->pathStart(); 
$draw->pathMoveToRelative(400, 0); 
$draw->pathLineToVerticalRelative(1000); 
$draw->pathFinish(); 
   
// Render the draw commands 
$imagick->drawImage($draw); 
   
// Show the output 
$imagick->setImageFormat('png'); 
header("Content-Type: image/png"); 
echo $imagick->getImageBlob(); 
?> 

Output:

Program 2:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick(); 
   
// Create a image on imagick object 
$imagick->newImage(800, 250, 'white'); 
   
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
   
$color = ['blue', 'red', 'green', 
      'yellow', 'orange', 'brown', 'pink']; 
   
// Set the stroke width 
$draw->setStrokeWidth(5); 
   
// Draw lines 
for ($x = 0; $x < 20; $x++) { 
    $draw->setStrokeColor($color[$x % 7]); 
    $draw->pathStart(); 
    $draw->pathMoveToRelative($x * 40, 0); 
    $draw->pathLineToVerticalRelative(800); 
    $draw->pathFinish(); 
   
} 
   
// Render the draw commands 
$imagick->drawImage($draw); 
   
// Show the output 
$imagick->setImageFormat('png'); 
header("Content-Type: image/png"); 
echo $imagick->getImageBlob(); 
?> 

Output:

Reference: https://www.php.net/manual/en/imagickdraw.pathlinetoverticalrelative.php

Whether you’re preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, zambiatek Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we’ve already empowered, and we’re here to do the same for you. Don’t miss out – check it out now!