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LasseRafn/php-initial-avatar-generator

LasseRafn/php-initial-avatar-generator

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Issues: 25

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Last Updated: 2023-07-26 19:19:40

#php #intervention #image #generator #avatar #avatar-generator #profile-picture #php7 #php8

Generate avatars with initials from user names.

License: MIT License

Languages: PHP

Generate avatars with initials

Ever seen those avatars (basically everywhere) that has your initials — mine would be LR; Lasse Rafn — well this package allows you to generate those, in a simple manner.

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There's also a api you can use: https://ui-avatars.com

Installation

You just require using composer and you're good to go!

composer require lasserafn/php-initial-avatar-generator

Rad, and long, package name.. huh? Sorry. I'm not very good with names.

Usage

As with installation, usage is quite simple. Generating a image is done by running:

$avatar = new LasseRafn\InitialAvatarGenerator\InitialAvatar();

$image = $avatar->name('Lasse Rafn')->generate();

Thats it! The method will return a instance of Image from Intervention so you can stream, download or even encode the image:

return $image->stream('png', 100);

You can also just pass along the initials, and it will use those. Should you just include a first name, it will use the first two letters of it.

SVG generation

$avatar = new LasseRafn\InitialAvatarGenerator\InitialAvatar();

echo $avatar->name('Lasse Rafn')->generateSvg()->toXMLString(); // returns SVG XML string

Supported methods and parameters

Of cause, passing a name is not the only thing this sweet thing does!

Name (initials) - default: JD

$image = $avatar->name('Albert Magnum')->generate();

AutoFont - default: false

Will detect language script (using lasserafn/php-string-script-language) and use a font that supports it.

$image = $avatar->autoFont()->generate();

Width - default: 48

// will be 96 pixels wide.
$image = $avatar->width(96)->generate();

Height - default: 48

// will be 96 pixels tall.
$image = $avatar->height(96)->generate();

Size - default: 48 (proxy for $avatar->width(X)->height(X))

// will be 96x96 pixels.
$image = $avatar->size(96)->generate();

Background color - default: #f0e9e9

// will be red
$image = $avatar->background('#ff0000')->generate();

Font color - default: #8b5d5d

// will be red
$image = $avatar->color('#ff0000')->generate();

Auto Color

// Will choose a background color based on `name` and a contrasting font color. The color for a specific name will always be the same.
$image = $avatar->autoColor()->generate();

Font file - default: /fonts/OpenSans-Regular.ttf

Two fonts with two variants are included:

  • /fonts/OpenSans-Regular.ttf
  • /fonts/OpenSans-Semibold.ttf
  • /fonts/NotoSans-Bold.ttf
  • /fonts/NotoSans-Regular.ttf

The method will look for the font, if none found it will append __DIR__ and try again, and if not it will default to the first GD Internal Font. If you input an integer between 1 and 5, it will use a GD Internal font as per that number.

// will be Semibold
$image = $avatar->font('/fonts/OpenSans-Semibold.ttf')->generate();

Font name (for SVGs) - default: Open Sans, sans-serif

$image = $avatar->fontName('Arial, Helvetica, sans-serif')->generate();

Length - default: 2

$image = $avatar->name('John Doe Johnson')->length(3)->generate(); // 3 letters = JDJ

Switching driver - default: gd

$image = $avatar->gd()->generate(); // Uses GD driver
$image = $avatar->imagick()->generate(); // Uses Imagick driver

Rounded - default: false

$image = $avatar->rounded()->generate();

Smooth - default: false

Makes rounding smoother with a resizing hack. Could be slower.

$image = $avatar->rounded()->smooth()->generate();

If you are going to use rounded(), you want to use smooth() to avoid pixelated edges. Disabled by default because it COULD be slower. I would recommend just rounding with CSS.

Font Size - default: 0.5

$image = $avatar->fontSize(0.25)->generate(); // Font will be 25% of image size.

If the Image size is 50px and fontSize is 0.5, the font size will be 25px.

Chaining it all together

We will not use the ->font() method in this example; as I like the regular one.

return $avatar->name('Lasse Rafn')
              ->length(2)
              ->fontSize(0.5)
              ->size(96) // 48 * 2
              ->background('#8BC34A')
              ->color('#fff')
              ->generate()
              ->stream('png', 100);

Now, using that in a image (sized 48x48 pixels for retina):

<img src="url-for-avatar-generation" width="48" height="48" style="border-radius: 100%" />

Will yield:

Result

Rounded for appearance; the actual avatar is a filled square

Font Awesome Support

The package supports FontAwesome (v5) and already distributes the free version as otf format (see /fonts folder).

However, when using FontAwesome you may want to display one specific icon instead of the user's initials. This package, therefore, provides a handy glyph($code) method to be used along with FontAwesome.

First, you need to "find" the respective unicode for the glyph you want to insert. For example, you may want to display a typical "user" icon (unicode: f007). The unicode is located near the name of the icon (e.g., see here the user icon as an example here: https://fontawesome.com/icons/user ).

An example for rendering a red avatar with a white "user" glyph would look like this:

// note that we
// 1) use glyph() instead of name
// 2) change the font to FontAwesome!
return $avatar->glyph('f007')
              ->font('/fonts/FontAwesome5Free-Regular-400.otf')
              ->color('#fff')
              ->background('#ff0000')
              ->generate()
              ->stream('png', 100);

Requirements

  • PHP +7.0
  • Fileinfo Extension (from intervention/image)

Script/Language support

Some letters are not supported by the default font files, so I added some fonts to add support. You must use autoFont() to enable this feature. Supported are:

  • Arabic
  • Armenian
  • Bengali
  • Georgian
  • Hebrew
  • Mongolian
  • Chinese
  • Thai
  • Tibetan

Contributors

Open Source is best when supported by a community. Any size of contribution is very appreciated.

Supported Image Libraries (from intervention/image)

  • GD Library (>=2.0)
  • Imagick PHP extension (>=6.5.7)

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