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UNIX for Dummies Questions & Answers
Variable inside command substitution
Post 302561432 by Skrynesaver on Tuesday 4th of October 2011 06:15:45 AM
10-04-2011
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LEARN ABOUT PHP
imagesetinterpolation
IMAGESETINTERPOLATION(3) 1 IMAGESETINTERPOLATION(3) imagesetinterpolation - Set the interpolation method SYNOPSIS
bool imagesetinterpolation (resource $image, [int $method = IMG_BILINEAR_FIXED]) DESCRIPTION
Sets the interpolation method, setting an interpolation method affects the rendering of various functions in GD, such as the imagero- tate(3) function. PARAMETERS
o $ image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3). o $method - The interpolation method, which can be one of the following: o IMG_BELL: Bell filter. o IMG_BESSEL: Bessel filter. o IMG_BICUBIC: Bicubic interpolation. o IMG_BICUBIC_FIXED: Fixed point implementation of the bicubic interpolation. o IMG_BILINEAR_FIXED: Fixed point implementation of the bilinear interpolation ( default (also on image creation)). o IMG_BLACKMAN: Blackman window function. o IMG_BOX: Box blur filter. o IMG_BSPLINE: Spline interpolation. o IMG_CATMULLROM: Cubic Hermite spline interpolation. o IMG_GAUSSIAN: Gaussian function. o IMG_GENERALIZED_CUBIC: Generalized cubic spline fractal interpolation. o IMG_HERMITE: Hermite interpolation. o IMG_HAMMING: Hamming filter. o IMG_HANNING: Hanning filter. o IMG_MITCHELL: Mitchell filter. o IMG_POWER: Power interpolation. o IMG_QUADRATIC: Inverse quadratic interpolation. o IMG_SINC: Sinc function. o IMG_NEAREST_NEIGHBOUR: Nearest neighbour interpolation. o IMG_WEIGHTED4: Weighting filter. o IMG_TRIANGLE: Triangle interpolation. RETURN VALUES
Returns TRUE on success or FALSE on failure. EXAMPLES
Example #1 imagesetinterpolation(3) example <?php // Load an image $im = imagecreate(500, 500); // By default interpolation is IMG_BILINEAR_FIXED, switch // to use the 'Mitchell' filter: imagesetinterpolation($im, IMG_MITCHELL); // Continue to work with $im ... ?> NOTES
Changing the interpolation method affects the following functions when rendering: oimageaffine(3) oimagerotate(3) oimagescale(3) PHP Documentation Group IMAGESETINTERPOLATION(3)