The ImagickDraw::pathLineToHorizontalRelative() function is an inbuilt function in PHP which is used to draw a horizontal 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::pathLineToHorizontalRelative( float $x )
Parameters:This function accepts a single parameter $x which holds the x-coordinate.
Return Value: This function returns TRUE on success.
Exceptions: This function throws ImagickException on error.
Below given programs illustrate the ImagickDraw::pathLineToHorizontalRelative() 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('Green');   // Set the stroke width $draw->setStrokeWidth(5);   // Draw line using pathLineToHorizontalRelative $draw->pathStart(); $draw->pathMoveToRelative(0, 100); $draw->pathLineToHorizontalRelative(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 < 7; $x++) {     $draw->setStrokeColor($color[$x]);     $draw->pathStart();     $draw->pathMoveToRelative(0, $x * 40);     $draw->pathLineToHorizontalRelative(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.pathlinetohorizontalrelative.php
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