Php scaling image (proportional Scaling Based on width and height) Example

Set the width and height, and scale proportionally; set the width and proportional scaling; set the height and proportional scaling; scale to 50% according to the scale; output directly to the screen after scaling, etc, the usage is as follows. If you are interested, you can

Set the width and height, and scale proportionally; set the width and proportional scaling; set the height and proportional scaling; scale to 50% according to the scale; output directly to the screen after scaling, etc, the usage is as follows. If you are interested, you can

We recommend a simple and practical image scaling tool SimpleImage. For more information, see

Usage:

Set the width and height, no record filing space, and scale proportionally

The Code is as follows:

Include ('simpleimage. php ');
$ Image = new SimpleImage ();
$ Image-> load('picture.jpg ');
$ Image-> resize( 250,400 );
$ Image-> save('picture2.jpg ');?>

Set width and proportional Scaling

Include ('simpleimage. php ');
$ Image = new SimpleImage ();
$ Image-> load('picture.jpg ');
$ Image-> resizeToWidth (250 );
$ Image-> save('picture2.jpg ');?>

Set height, proportional Scaling

Include ('simpleimage. php ');
$ Image = new SimpleImage ();
$ Image-> load('picture.jpg ');
$ Image-> resizeToHeight (500 );
$ Image-> save('picture2.jpg ');
$ Image-> resizeToHeight (200 );
$ Image-> save('picture3.jpg ');?>

Scale to 50% in proportion

Include ('simpleimage. php ');
$ Image = new SimpleImage ();
$ Image-> load('picture.jpg ');
$ Image-> scale (50 );
$ Image-> save('picture2.jpg ');?>

Scale and output directly to the screen

Header ('content-Type: image/jpeg ');
Include ('simpleimage. php ');
$ Image = new SimpleImage ();
$ Image-> load('picture.jpg ');
$ Image-> resizeToWidth (150 );
$ Image-> output ();?>

SimpleImage. php source code, please click the link at the beginning of the article to download it, server space