PHP | ImagickDraw pathCurveToQuadraticBezierSmoothAbsolute() Function

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The ImagickDraw::pathCurveToQuadraticBezierSmoothAbsolute() function is an inbuilt function in PHP which is used to draw a quadratic Bezier curve which is a parametric curve. This function can continue a curve from a quadratic curve smoothly.

Syntax:

bool ImagickDraw::pathCurveToQuadraticBezierSmoothAbsolute( float $x, float $y )

Parameters: This function accepts two parameters as mentioned above and described below:

$x: It specifies the ending x-coordinate
$y: It specifies the ending y-coordinate

Return Value: This function returns TRUE on success.

Exceptions: This function throws ImagickException on error.

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

Program 1:

<?php 
  
// Create a new imagick object 
$imagick = new Imagick(); 
  
// Create a image on imagick object 
$imagick->newImage(800, 250, 'black'); 
  
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
  
$draw->setFillColor('black'); 
  
// Set the stroke color 
$draw->setStrokeColor('red'); 
  
// Draw curves to Quadratic Bezier Smooth Absolute (without pathClose()) 
$draw->pathStart(); 
$draw->pathCurveToQuadraticBezierSmoothAbsolute(3950, 250); 
$draw->pathCurveToQuadraticBezierSmoothAbsolute(2950, 250); 
$draw->pathCurveToQuadraticBezierSmoothAbsolute(390, 250); 
$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, 'black'); 
  
// Create a new ImagickDraw object 
$draw = new ImagickDraw(); 
  
$draw->setFillColor('black'); 
  
// Set the stroke color 
$draw->setStrokeColor('yellow'); 
  
// Draw curves to Quadratic Bezier Smooth Absolute (with pathClose()) 
$draw->pathStart(); 
$draw->pathCurveToQuadraticBezierSmoothAbsolute(3950, 250); 
$draw->pathCurveToQuadraticBezierSmoothAbsolute(950, 250); 
$draw->pathCurveToQuadraticBezierSmoothAbsolute(2390, 250); 
$draw->pathClose(); 
$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.pathcurvetoquadraticbeziersmoothabsolute.php

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