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<?php |
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namespace nstdio\svg\gradient; |
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use nstdio\svg\container\ContainerInterface; |
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use nstdio\svg\ElementInterface; |
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/** |
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* Class UniformGradient |
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* |
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* @package nstdio\svg\gradient |
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* @author Edgar Asatryan <[email protected]> |
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*/ |
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class UniformGradient extends Gradient |
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{ |
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public function getName() |
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{ |
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return null; |
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} |
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public static function gradient(ElementInterface $svg, array $colors, $id = null, $gradientType = 'linear') |
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{ |
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$gradient = self::getGradient($svg, $id, $gradientType); |
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if (count($colors) <= 1) { |
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$colors = array_merge($colors, $colors); |
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if (empty($colors)) { |
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$colors = ['white', 'black']; |
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} |
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} |
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$step = 1 / (count($colors) - 1); |
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$offsets = array_map(function ($item) { |
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return $item % 1 !== 0 ? sprintf('%0.2f', $item) : $item; |
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}, range(0, 1, $step)); |
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foreach ($colors as $key => $color) { |
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$ret = []; |
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$ret['offset'] = $offsets[$key]; |
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$ret['stop-color'] = $color; |
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$gradient->appendStop(new Stop($gradient, $ret)); |
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} |
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return $gradient; |
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} |
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public static function verticalFromTop(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('topBottom')); |
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} |
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public static function verticalFromBottom(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('bottomTop')); |
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} |
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public static function diagonalFromTopLeft(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('topLeftBottomRight')); |
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} |
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public static function diagonalFromBottomRight(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('bottomRightTopLeft')); |
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} |
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public static function diagonalFromBottomLeft(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('bottomLeftTopRight')); |
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} |
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public static function diagonalFromTopRight(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('topRightBottomLeft')); |
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} |
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public static function horizontalFromLeft(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('leftRight')); |
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} |
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public static function horizontalFromRight(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id)->apply(Direction::get('rightLeft')); |
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} |
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public static function radialTopLeft(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialTopLeft')); |
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} |
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public static function radialTopRight(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialTopRight')); |
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} |
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public static function radialBottomLeft(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialBottomLeft')); |
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} |
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public static function radialBottomRight(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialBottomRight')); |
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} |
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public static function radialTopCenter(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialTopCenter')); |
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} |
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public static function radialLeftCenter(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialLeftCenter')); |
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} |
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public static function radialBottomCenter(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialBottomCenter')); |
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} |
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public static function radialRightCenter(ContainerInterface $container, array $colors, $id = null) |
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{ |
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return self::gradient($container, $colors, $id, self::RADIAL)->apply(Direction::get('radialRightCenter')); |
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} |
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/** |
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* @param ElementInterface $svg |
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* @param $id |
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* @param $gradientType |
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* |
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* @return LinearGradient|RadialGradient |
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*/ |
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private static function getGradient(ElementInterface $svg, $id, $gradientType) |
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{ |
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return $gradientType === self::LINEAR ? new LinearGradient($svg, $id) : new RadialGradient($svg, $id); |
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} |
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} |
nstdio /
SVGMagick
