PHP Draws a rectangle method, PHP draws the rectangle method
The example in this article describes how PHP draws a rectangle. Share to everyone for your reference. The implementation method is as follows:
Copy the Code code as follows: <?php
1. Create a canvas
$im = Imagecreatetruecolor (300,200);//Create a new true color image, the default background is black, return the image identifier. There is also a function imagecreate has not been recommended for use.
2. Draw the desired image
$red = Imagecolorallocate ($im, 255,0,0);//Create a color for use
Imagerectangle ($im, 30,30,240,140, $red);//Draw a rectangle. Parameter Description: 30,30 represents the upper-left corner of the rectangle, 240,140 is the lower-right coordinate of the rectangle, $red represents the color
Imagefilledrectangle ($im, 30,30,240,140, $red);//Filled Rectangle
3. Output image
Header ("Content-type:image/png");
Imagepng ($im);//output to page. If there is a second argument [, $filename], the image is saved
4. Destroy the image and release the memory
Imagedestroy ($im);
?>
I hope this article is helpful to everyone's PHP programming.
http://www.bkjia.com/PHPjc/947212.html www.bkjia.com true http://www.bkjia.com/PHPjc/947212.html techarticle PHP Draw A rectangle method, PHP Draw Rectangle Method This article describes the method of drawing a rectangle in PHP. Share to everyone for your reference. The implementation is as follows: Copy code ...