wapmorgan / imagery
Simple image editor for resizing, cropping, making collages and other elementary actions with images.
Requires
- ext-gd: *
This package is auto-updated.
Last update: 2024-10-12 04:48:16 UTC
README
Imagery supports:
- resizing
- cropping
- flipping and rotating
- making collages
- applying filters and effects
- Installation
- API
Installation
- Composer package:
composer require wapmorgan/imagery
API
Imagery
use Imagery\Imagery;
Opening
Create new Imagery object:
$image = Imagery::open($filename);
- from a file.$image = Imagery::create($width, $height);
- new image$image = new Imagery(imagecreatefrombmp('image.bmp'));
- from a resource
Saving
public function save($filename, $quality = 75, $format = null)
- saves image to disk. Quality is an integer value between0
(worst) and100
(best). Default is75
. Quality is applicable only to JPEG, PNG, WEBP. If$format
can not be determined by filename extension, specifcy it explicitly.
Formats supports:
Properties
$image->width
- width of image$image->height
- height of image$image->resource
- original gd-resource of image (you can use it with gd-functions)
Resize && Zoom
public function resize(int $width, int $height)
- resizes an image to$width
X$height
public function zoomWidthTo(int $size)
- changes proportionally image width to$size
public function zoomHeightTo(int $size)
- changes proportionally image height to$size
public function zoomMaxSide(int $size)
- zoomes proportionally larger side to$size
, if needed
Crop
public function crop($x, $y, $x2, $y2)
- cuts a rectangular piece of imagepublic function decreaseSide($side, int $size)
- deletes a piece of image from specific side. For example, if $side=top and $size=100, 100px from top will be deleted.
Rotation && Mirroring
public function rotate($angle, $bgColor = 0)
- rotates an image.True
equals 90°,False
equals -90°.public function flip($horizontally = true)
- flips an image horizontally or vertically.
Collage
-
public function appendImageTo($side, Imagery $appendix, int $modifiers)
- appends an image ($appendix
) to current image at$side
(top|bottom|left|right
). Modifiers:Imagery::ZOOM_IF_LARGER
- appendix' height will be zoomed (not resized) if it's larger than current image's one (when appending to left or right side); appendix' width will be zoomed (not resized) if it's larger than current image's one (when appending to top or bottom side);
-
public function placeImageAt($x, $y, Imagery $image)
- places an image atop current image at$x
X$y
. -
public function placeImageAtCenter(Imagery $image)
- places an image in the center of current image.
Effects
-
public function filter($filter)
- applies grayscale or negate filter. PassImagery::FILTER_NEGATE
orImagery::FILTER_GRAYSCALE
as $filter.Grayscale:
Negate:
-
public function changeContrast($newValue)
- changes contrast of image. New values can be in range from 100 (max contrast) to -100 (min contrast), 0 means no change. -
public function changeBrightness($newValue)
- changes brightness of image. New values can be in range from 255 (max brightness) to -255 (min brightness), 0 means no change. -
public function colorize($red, $green, $blue, $alpha = 127)
- changes colors of image. Colors ($red, $green, $blue
) can be in range from 255 to -255.$alpha
from 127 to 0. -
public function blur($method)
- blurs an image. Method can beImagery::GAUSSIAN_BLUR
orImagery::SELECTIVE_BLUR
. -
public function smooth($level)
- smooths an image. Level of smoothness can be in range from 0 to 8. 8 is un-smooth. -
public function pixelate($blockSize = 5, $useModernEffect = true)
- pixelates an image.$blockSize
is size of pixel block.
Tools
There's a tools class: Imagery/Tools
.
-
static public function pHash(Imagery $image, $sizes = array(8, 8))
Calculates Perceptual hash of image.