How to draw a straight line in php, how to draw a straight line in php_PHP tutorial

How to draw a straight line in php, how to draw a straight line in php

The example in this article describes how to draw a straight line in PHP. Share it with everyone for your reference. The specific implementation method is as follows:

Copy code The code is as follows:

//1. Create canvas
$im = imagecreatetruecolor(300,200);//Create a new true color image, the default background is black, and return the image identifier. There is also a function imagecreate that has been deprecated.
//2. Draw the required image
$red = imagecolorallocate($im,255,0,0);//Create a color for use
imageline($im,30,30,240,140,$red);//Draw a straight line. Parameter description: 30, 30 represents the starting point coordinates; 240, 140 represents the end point coordinates
//3. Output image
header("content-type: image/png");
imagepng($im);//Output to the page. If there is a second parameter [,$filename], it means saving the image
//4. Destroy the image and release memory
imagedestroy($im);
?>

I hope this article will be helpful to everyone’s PHP programming design.

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