PHP | GmagickDraw rotate() Function

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.

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<?php
  
// Create a new Gmagick object
$gmagick = new Gmagick('geeksforgeeks.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();
?>

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Output:

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

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<?php
  
// Create a new Gmagick object
$gmagick = new Gmagick('geeksforgeeks.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, 'GeeksforGeeks');
  
// Use of drawimage function
$gmagick->drawImage($draw);
  
// Display the output image
header("Content-Type: image/png");
echo $gmagick->getImageBlob();
?>

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Output:

Reference: https://www.php.net/manual/en/gmagickdraw.rotate.php




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