PHP | GmagickDraw rotate() Function

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The GmagickDraw::rotate() function is an inbuilt function in PHP which is used to apply the specified rotation to the current coordinate space.

Syntax:

GmagickDraw GmagickDraw::rotate( array $coordinates_array )

Parameters: This function accepts a single parameter $coordinates_array which is used to hold the value of degree of rotation.

Return Value: This function returns GmagickDraw object on success.

Exceptions: This function throws GmagickDrawException on error.

Used Image: For canvas area.

Below given programs illustrates the GmagickDraw::rotate() function in PHP:

Program 1: In this example we will rotate the rectangle.

<?php 
  
// Create a new Gmagick object 
$gmagick = new Gmagick('zambiatek.png'); 
  
// Create a GmagickDraw object 
$draw = new GmagickDraw(); 
  
// Draw rectangle for background 
$draw->rectangle(-100, -1000, 800, 400); 
  
// Set the fill color 
$draw->setFillColor('white'); 
  
// Set the stroke color 
$draw->setstrokecolor('blue'); 
  
// Rotate by 4 degrees 
$draw->rotate(4); 
  
// Set the stroke width 
$draw->setStrokeWidth(5); 
  
// Create a rectangle 
$draw->rectangle(100, 20, 400, 100);  
  
// Use of drawimage function 
$gmagick->drawImage($draw); 
  
// Display the output image 
header("Content-Type: image/png"); 
echo $gmagick->getImageBlob(); 
?> 

Output:

Program 2: In this example we will rotate a text.

<?php 
  
// Create a new Gmagick object 
$gmagick = new Gmagick('zambiatek.png'); 
  
// Create a GmagickDraw object 
$draw = new GmagickDraw(); 
  
// Draw rectangle for background 
$draw->rectangle(-100, -1000, 800, 400); 
  
// Set the font size 
$draw->setfontsize(25); 
  
// Set the stroke color 
$draw->setstrokecolor('blue'); 
  
// Rotate by 40 
$draw->rotate(40); 
  
// Annotate a text 
$draw->annotate(20, -50, 'zambiatek'); 
  
// Use of drawimage function 
$gmagick->drawImage($draw); 
  
// Display the output image 
header("Content-Type: image/png"); 
echo $gmagick->getImageBlob(); 
?> 