Class Image

Basic manipulation with images.

$image = Image::fromFile('nette.jpg');
$image->resize(150, 100);
$image->sharpen();
$image->send();

Nette\Object

Nette\Image

Direct known subclasses

Nette\ImageMagick

Namespace: Nette
Author: David Grudl
Located at Utils/Image.php

Methods summary
`public static array`	# `rgb( integer $red, integer $green, integer $blue, integer $transparency = 0 )` Returns RGB color. Returns RGB color. Parameters `$red` `integer` red 0..255 `$green` `integer` green 0..255 `$blue` `integer` blue 0..255 `$transparency` `integer` transparency 0..127 Returns `array`
`public static Nette\Image`	# `fromFile( string $file, mixed & $format = NULL )` Opens image from file. Opens image from file. Parameters `$file` `string` `$format` `mixed` detected image format Returns `Nette\Image`
`public static Nette\Image`	# `fromString( string $s, mixed & $format = NULL )` Create a new image from the image stream in the string. Create a new image from the image stream in the string. Parameters `$s` `string` `$format` `mixed` detected image format Returns `Nette\Image`
`public static Nette\Image`	# `fromBlank( integer $width, integer $height, array $color = NULL )` Creates blank image. Creates blank image. Parameters `$width` `integer` `$height` `integer` `$color` `array` Returns `Nette\Image`
`public`	# `__construct( resource $image )` Wraps GD image. Wraps GD image. Parameters `$image` `resource`
`public integer`	# `getWidth( )` Returns image width. Returns image width. Returns `integer`
`public integer`	# `getHeight( )` Returns image height. Returns image height. Returns `integer`
`protected Nette\Image`	# `setImageResource( resource $image )` Sets image resource. Sets image resource. Parameters `$image` `resource` Returns `Nette\Image` provides a fluent interface
`public resource`	# `getImageResource( )` Returns image GD resource. Returns image GD resource. Returns `resource`
`public Nette\Image`	# `resize( mixed $width, mixed $height, integer $flags = Nette\Image::FIT )` Resizes image. Resizes image. Parameters `$width` `mixed` width in pixels or percent `$height` `mixed` height in pixels or percent `$flags` `integer` flags Returns `Nette\Image` provides a fluent interface
`public static array`	# `calculateSize( mixed $srcWidth, mixed $srcHeight, mixed $newWidth, mixed $newHeight, integer $flags = Nette\Image::FIT )` Calculates dimensions of resized image. Calculates dimensions of resized image. Parameters `$srcWidth` `mixed` source width `$srcHeight` `mixed` source height `$newWidth` `mixed` width in pixels or percent `$newHeight` `mixed` height in pixels or percent `$flags` `integer` flags Returns `array`
`public Nette\Image`	# `crop( mixed $left, mixed $top, mixed $width, mixed $height )` Crops image. Crops image. Parameters `$left` `mixed` x-offset in pixels or percent `$top` `mixed` y-offset in pixels or percent `$width` `mixed` width in pixels or percent `$height` `mixed` height in pixels or percent Returns `Nette\Image` provides a fluent interface
`public static array`	# `calculateCutout( mixed $srcWidth, mixed $srcHeight, mixed $left, mixed $top, mixed $newWidth, mixed $newHeight )` Calculates dimensions of cutout in image. Calculates dimensions of cutout in image. Parameters `$srcWidth` `mixed` source width `$srcHeight` `mixed` source height `$left` `mixed` x-offset in pixels or percent `$top` `mixed` y-offset in pixels or percent `$newWidth` `mixed` width in pixels or percent `$newHeight` `mixed` height in pixels or percent Returns `array`
`public Nette\Image`	# `sharpen( )` Sharpen image. Sharpen image. Returns `Nette\Image` provides a fluent interface
`public Nette\Image`	# `place( Nette\Image $image, mixed $left = 0, mixed $top = 0, integer $opacity = 100 )` Puts another image into this image. Puts another image into this image. Parameters `$image` `Nette\Image` `$left` `mixed` x-coordinate in pixels or percent `$top` `mixed` y-coordinate in pixels or percent `$opacity` `integer` opacity 0..100 Returns `Nette\Image` provides a fluent interface
`public boolean`	# `save( string $file = NULL, integer $quality = NULL, integer $type = NULL )` Saves image to the file. Saves image to the file. Parameters `$file` `string` filename `$quality` `integer` quality 0..100 (for JPEG and PNG) `$type` `integer` optional image type Returns `boolean` TRUE on success or FALSE on failure.
`public string`	# `toString( integer $type = Nette\Image::JPEG, integer $quality = NULL )` Outputs image to string. Outputs image to string. Parameters `$type` `integer` image type `$quality` `integer` quality 0..100 (for JPEG and PNG) Returns `string`
`public string`	# `__toString( )` Outputs image to string. Outputs image to string. Returns `string`
`public boolean`	# `send( integer $type = Nette\Image::JPEG, integer $quality = NULL )` Outputs image to browser. Outputs image to browser. Parameters `$type` `integer` image type `$quality` `integer` quality 0..100 (for JPEG and PNG) Returns `boolean` TRUE on success or FALSE on failure.
`public mixed`	# `__call( string $name, array $args )` Call to undefined method. Call to undefined method. Parameters `$name` `string` method name `$args` `array` arguments Returns `mixed` Throws `MemberAccessException`

Methods inherited from Nette\Object
`__callStatic(), __get(), __isset(), __set(), __unset(), extensionMethod(), getReflection()`

Constants summary
`integer`	`ENLARGE`	`1`	# `Nette\Image::resize()` allows enlarging image (it only shrinks images by default) `Nette\Image::resize()` allows enlarging image (it only shrinks images by default)
`integer`	`STRETCH`	`2`	# `Nette\Image::resize()` will ignore aspect ratio `Nette\Image::resize()` will ignore aspect ratio
`integer`	`FIT`	`0`	# `Nette\Image::resize()` fits in given area `Nette\Image::resize()` fits in given area
`integer`	`FILL`	`4`	# `Nette\Image::resize()` fills (and even overflows) given area `Nette\Image::resize()` fills (and even overflows) given area
`integer`	`JPEG`	`IMAGETYPE_JPEG`	# Int image types `Nette\Image::send()`
`integer`	`PNG`	`IMAGETYPE_PNG`	# Int image types `Nette\Image::send()`
`integer`	`GIF`	`IMAGETYPE_GIF`	# Int image types `Nette\Image::send()`
`string`	`EMPTY_GIF`	`"GIF89a\x01\x00\x01\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00!\xf9\x04\x01\x00\x00\x00\x00,\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02D\x01\x00;"`	#

Properties summary
`public static boolean`	`$useImageMagick`	`FALSE`	#

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Class Image

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