Draw Ellipses and Circles with imageellipse()

<?php
$image = imagecreatetruecolor(320, 220);
$background = imagecolorallocate($image, 255, 255, 255);
$green = imagecolorallocate($image, 20, 150, 90);
imagefilledrectangle($image, 0, 0, 319, 219, $background);
imageellipse($image, 160, 110, 220, 120, $green);

header('Content-Type: image/png');
imagepng($image);
?>

<?php
header ("Content-type: image/jpeg");
$width=301;$height=301;
$im = imagecreatetruecolor ($width, $height) 
 or die ("Cannot Initialize new GD image stream");
 
ImageColorAllocate($im,255,255,255); // background colour
$text_color=ImageColorAllocate($im,255,0,0);// ellipse line colour   
imageellipse($im,150,150,290,150,$text_color); // draw ellipse

Imagejpeg ($im); // show image 
?>

imageellipse($image,$center_x,$center_y,$width,$height,$color)

Creating full circle using imageellipse()

Example

<?php
header ("Content-type: image/jpeg");
$width=301;$height=301;
$im = imagecreatetruecolor ($width, $height) 
 or die ("Cannot Initialize new GD image stream");
ImageColorAllocate($im,255,255,255);
$text_color=ImageColorAllocate($im,255,0,0);   
imageellipse($im,150,150,290,290,$text_color); // outer face
imageellipse($im,80,100,50,50,$text_color); // left eye 
imageellipse($im,220,100,50,50,$text_color); // right eye
imageellipse($im,150,200,70,10,$text_color); // mouth
Imagejpeg ($im);
?>

Concentric circle using imageellipse()

<?php
header ("Content-type: image/jpeg");
$width=601;$height=601;$gap=20;
$im = imagecreatetruecolor ($width, $height) 
 or die ("Cannot Initialize new GD image stream");
ImageColorAllocate($im,255,255,255);
$text_color=ImageColorAllocate($im,0,255,255);   
for($i=0;$i<=$width;$i +=$gap){
imageellipse($im,$width/2,$height/2,$width-$i,$height-$i,$text_color);
}
Imagejpeg ($im);
?>

<?php
header ("Content-type: image/jpeg");
$width=601;$height=601;$gap=20;
$im = imagecreatetruecolor ($width, $height) 
 or die ("Cannot Initialize new GD image stream");
ImageColorAllocate($im,255,255,255);
$text_color=ImageColorAllocate($im,0,255,255);   
for($i=0;$i<=$width;$i +=$gap){
    $r=rand(1,255);
    $g=rand(1,255);
    $b=rand(1,255);	
    $text_color = ImageColorAllocate ($im, $r, $g,$b);    
imageellipse($im,$width/2,$height/2,$width-$i,$height-$i,$text_color);
}
Imagejpeg ($im);
?>

Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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