imagick_transparentimagick_unsharpmask
(PECL imagick:0.9-0.9.9)
imagick_unsharpmask — Sharpen image
Descrição
bool imagick_unsharpmask ( resource $image, float $radius, float $sigma, float $amount, float $threshold )Atenção
Esta função não está documentada, somente a lista de argumentos está disponível.
Parâmetros
- image
Image handle
- radius
Radius of the pixel neighborhood not counting the center pixel
- sigma
Standard deviation of the Gaussian in pixels
- amount
Percentage of the difference between the original and the blur image that is added back into the original
- threshold
Threshold in pixels needed to apply the diffence amount
Valores de retornado
Retorna TRUE em caso de sucesso ou FALSE em falhas.
User Contributed Notes
imagick_unsharpmask
imagick_unsharpmask
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