How to draw an ellipse using imageellipse() function in PHP?

imageellipse() is a built-in function in PHP, used to draw ellipses. Returns True on success and False on failure.

Syntax

Bool imageellipse($image, $cx, $cy, $width, $height, $color)

Parameters

imageellipse() Takes six different parameters: $image、$ cx、$cy、$Width、 $Height, $Color.

• < span>$image - The size of the created image. It is returned by one of the image creation functions, such as imagecreatetruecolor().

• $cx - Sets the x-coordinate of the center.

• $cy - Sets the y-coordinate of the center.

• $width - Set the ellipse width.

• $height - Set the height of the ellipse.

• $Color - Set the color of the ellipse. Color identifier created by the imagecolorallocate() function.

Return value

Returns True on success and False on failure.

Example 1

<?php
   // Create a blank image.
   $image = imagecreatetruecolor(700, 350);

   // Select the background color.
   $bg = imagecolorallocate($image, 0, 0, 0);

   // Fill the background with the color selected above.
   imagefill($image, 0, 0, $bg);

   // Choose a color for the ellipse.
   $col_ellipse = imagecolorallocate($image, 255, 255, 255);

   // Draw the ellipse.
   imageellipse($image, 325, 175, 500, 175, $col_ellipse);

   // Output the image.
   header("Content-type: image/png");
   imagepng($image);
?>

Output

Example 2

<?php
   //It creates the blank image or size of the image.
   $image = imagecreatetruecolor(700, 600);

   //Set the background color of the image.
   $bg = imagecolorallocate($image, 122, 122, 122);

   //Fill background with the above-selected color.
   imagefill($image, 0, 0, $bg);

   // set color of the ellipse.
   $col_ellipse = imagecolorallocate($image, 0, 255, 255);

   // Function to draw the ellipse.
   imageellipse($image, 250, 300, 300, 550, $col_ellipse);

   // Output of the image.
   header("Content-type: image/gif");
   imagepng($image);
?>

Output

The above is the detailed content of How to draw an ellipse using imageellipse() function in PHP?. For more information, please follow other related articles on the PHP Chinese website!