imagescale
(PHP 5 >= 5.5.0, PHP 7)
imagescale — Scale an image using the given new width and height
Descrierea
$image
, int $new_width
[, int $new_height = -1
[, int $mode = IMG_BILINEAR_FIXED
]] ) : resource|falseimagescale() scales an image using the given interpolation algorithm.
Notă:
Unlike many of other image functions, imagescale() does not modify the passed
image; instead, a new image is returned.
Parametri
-
image -
O resursă - imagine, întoarsă de una din funcțiile de creare a imaginilor, cum ar fi imagecreatetruecolor().
-
new_width -
The width to scale the image to.
-
new_height -
The height to scale the image to. If omitted or negative, the aspect ratio will be preserved.
-
mode -
One of
IMG_NEAREST_NEIGHBOUR,IMG_BILINEAR_FIXED,IMG_BICUBIC,IMG_BICUBIC_FIXEDor anything else (will use two pass).Notă:
IMG_WEIGHTED4is not yet supported.
Valorile întoarse
Return the scaled image resource on success sau false în cazul eșecului.
A se vedea și
- imagecopyresized() - Copy and resize part of an image
- imagecopyresampled() - Copy and resize part of an image with resampling
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