Basic steps for PHP drawing GD Library

One: PHP Create a new picture step:

1 : Create canvas:

$im =imagecreatetruecolor (300,80)

2: Define color:

$black =imagecolorallocate ($im, 0, 0, 0);

3: Fill Color | text message:

Imagefill ($im, 0, 0, $black);

4: Create Picture:

Imagepng ($im, "./data/01.png")

5: Destroying images:

Imagedestroy ($im);

Simple example:

1 //1: Create a drawing resource (canvas)2 $im=imagecreatetruecolor (300,80);3 4 //2: Create color5 $black=imagecolorallocate ($im, 0, 0, 0);6 7 //3: Fill Color (paint)8Imagefill ($im, 0, 0,$black);9 Ten  One //4: Save picture A if(Imagepng ($im, "./data/01.png")){ -     Echo"Picture saved successfully"; -}Else{ the     EchoFailed; - } -  - //5: Destroy canvas, release resources +Imagedestroy ($im);

Two: Introduce a picture as a canvas

$image =imagecreatefromjpeg ("./data/1.jpg");

Follow the same steps

Tip: More picture operations and functions please go to the manual to view GD

Basic steps for PHP drawing GD Library