PHP funkce imagesetinterpolation()

Dostupnost ve verzích: PHP 5.5.0

Set the interpolation method

Parametry

Parametr Datový typ Výchozí hodnota Poznámka
$image resource An image resource, returned by one of the image creation functions, such as {@link https://www.php.net/manual/en/function.imagecreatetruecolor.php imagecreatetruecolor()}.
$method int IMG_BILINEAR_FIXED The interpolation method, which can be one of the following:
  • IMG_BELL: Bell filter.
  • IMG_BESSEL: Bessel filter.
  • IMG_BICUBIC: Bicubic interpolation.
  • IMG_BICUBIC_FIXED: Fixed point implementation of the bicubic interpolation.
  • IMG_BILINEAR_FIXED: Fixed point implementation of the bilinear interpolation (default (also on image creation)).
  • IMG_BLACKMAN: Blackman window function.
  • IMG_BOX: Box blur filter.
  • IMG_BSPLINE: Spline interpolation.
  • IMG_CATMULLROM: Cubbic Hermite spline interpolation.
  • IMG_GAUSSIAN: Gaussian function.
  • IMG_GENERALIZED_CUBIC: Generalized cubic spline fractal interpolation.
  • IMG_HERMITE: Hermite interpolation.
  • IMG_HAMMING: Hamming filter.
  • IMG_HANNING: Hanning filter.
  • IMG_MITCHELL: Mitchell filter.
  • IMG_POWER: Power interpolation.
  • IMG_QUADRATIC: Inverse quadratic interpolation.
  • IMG_SINC: Sinc function.
  • IMG_NEAREST_NEIGHBOUR: Nearest neighbour interpolation.
  • IMG_WEIGHTED4: Weighting filter.
  • IMG_TRIANGLE: Triangle interpolation.

Návratové hodnoty

bool

Returns TRUE on success or FALSE on failure.

Další zdroje

  • https://www.php.net/manual/en/function.imagesetinterpolation.php
  • https://www.php.net/manual/en/function.imagecreatetruecolor.php imagecreatetruecolor()}.

Potřebujete poradit s PHP?

Nabízím trénink vývojářů, konzultace, školení a analýzu návrhových vzorů. Osobně v Praze nebo přes Skype.

Napište mi: jan@barasek.com
Lektor: Jan Barášek

Pomohl Vám tento článek?

TopList counter