Current File : /home/vacivi36/intranet.vacivitta.com.br/protected/vendor/imagine/imagine/src/Gd/Effects.php
<?php
/*
* This file is part of the Imagine package.
*
* (c) Bulat Shakirzyanov <mallluhuct@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Imagine\Gd;
use Imagine\Driver\InfoProvider;
use Imagine\Effects\EffectsInterface;
use Imagine\Exception\InvalidArgumentException;
use Imagine\Exception\RuntimeException;
use Imagine\Image\Palette\Color\ColorInterface;
use Imagine\Image\Palette\Color\RGB as RGBColor;
use Imagine\Utils\Matrix;
/**
* Effects implementation using the GD PHP extension.
*/
class Effects implements EffectsInterface, InfoProvider
{
/**
* @var resource|\GdImage
*/
private $resource;
/**
* Initialize the instance.
*
* @param resource|\GdImage $resource
*/
public function __construct($resource)
{
$this->resource = $resource;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Driver\InfoProvider::getDriverInfo()
* @since 1.3.0
*/
public static function getDriverInfo($required = true)
{
return DriverInfo::get($required);
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::gamma()
*/
public function gamma($correction)
{
if (imagegammacorrect($this->resource, 1.0, $correction) === false) {
throw new RuntimeException('Failed to apply gamma correction to the image');
}
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::negative()
*/
public function negative()
{
if (imagefilter($this->resource, IMG_FILTER_NEGATE) === false) {
throw new RuntimeException('Failed to negate the image');
}
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::grayscale()
*/
public function grayscale()
{
if (imagefilter($this->resource, IMG_FILTER_GRAYSCALE) === false) {
throw new RuntimeException('Failed to grayscale the image');
}
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::colorize()
*/
public function colorize(ColorInterface $color)
{
if (!$color instanceof RGBColor) {
throw new RuntimeException('Colorize effects only accepts RGB color in GD context');
}
if (imagefilter($this->resource, IMG_FILTER_COLORIZE, $color->getRed(), $color->getGreen(), $color->getBlue()) === false) {
throw new RuntimeException('Failed to colorize the image');
}
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::sharpen()
*/
public function sharpen()
{
$sharpenMatrix = array(array(-1, -1, -1), array(-1, 16, -1), array(-1, -1, -1));
$divisor = array_sum(array_map('array_sum', $sharpenMatrix));
if (imageconvolution($this->resource, $sharpenMatrix, $divisor, 0) === false) {
throw new RuntimeException('Failed to sharpen the image');
}
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::blur()
*/
public function blur($sigma = 1)
{
if (imagefilter($this->resource, IMG_FILTER_GAUSSIAN_BLUR) === false) {
throw new RuntimeException('Failed to blur the image');
}
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::brightness()
*/
public function brightness($brightness)
{
$gdBrightness = (int) round($brightness / 100 * 255);
if ($gdBrightness < -255 || $gdBrightness > 255) {
throw new InvalidArgumentException(sprintf('The %1$s argument can range from %2$d to %3$d, but you specified %4$d.', '$brightness', -100, 100, $brightness));
}
if (imagefilter($this->resource, IMG_FILTER_BRIGHTNESS, $gdBrightness) === false) {
throw new RuntimeException('Failed to brightness the image');
}
return $this;
}
/**
* {@inheritdoc}
*
* @see \Imagine\Effects\EffectsInterface::convolve()
*/
public function convolve(Matrix $matrix)
{
if ($matrix->getWidth() !== 3 || $matrix->getHeight() !== 3) {
throw new InvalidArgumentException(sprintf('A convolution matrix must be 3x3 (%dx%d provided).', $matrix->getWidth(), $matrix->getHeight()));
}
if (imageconvolution($this->resource, $matrix->getMatrix(), 1, 0) === false) {
throw new RuntimeException('Failed to convolve the image');
}
return $this;
}
}
Mini Shell