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| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Karla ImageMagick wrapper library |
| 5 | * |
| 6 | * PHP Version 8.0< |
| 7 | * |
| 8 | * @category Utility |
| 9 | * @author Johannes Skov Frandsen <jsf@greenoak.dk> |
| 10 | * @license http://www.opensource.org/licenses/mit-license.php MIT |
| 11 | * @link https://github.com/localgod/karla Karla |
| 12 | * @since 2013-05-26 |
| 13 | */ |
| 14 | |
| 15 | declare(strict_types=1); |
| 16 | |
| 17 | namespace Karla; |
| 18 | |
| 19 | use Karla\Program; |
| 20 | use Karla\Program\Identify; |
| 21 | use Karla\Program\Convert; |
| 22 | use Karla\Program\ImageMagick; |
| 23 | use Karla\Program\Composite; |
| 24 | |
| 25 | /** |
| 26 | * Class for quering for supported features |
| 27 | * |
| 28 | * @category Utility |
| 29 | * @author Johannes Skov Frandsen <jsf@greenoak.dk> |
| 30 | * @license http://www.opensource.org/licenses/mit-license.php MIT |
| 31 | * @link https://github.com/localgod/karla Karla |
| 32 | */ |
| 33 | class Support |
| 34 | { |
| 35 | /** |
| 36 | * Check if a gravity is supported by ImageMagick. |
| 37 | * |
| 38 | * @param Program $program |
| 39 | * Program to check |
| 40 | * @param string $gravity |
| 41 | * Gravity to check |
| 42 | * |
| 43 | * @return boolean |
| 44 | * @throws \BadMethodCallException if called in a wrong context |
| 45 | */ |
| 46 | public static function gravity(Program $program, string $gravity): bool |
| 47 | { |
| 48 | if (! ($program instanceof Convert) && ! ($program instanceof Composite)) { |
| 49 | $message = 'This method can not be used in this context. (' . get_class($program) . ')'; |
| 50 | throw new \BadMethodCallException($message); |
| 51 | } |
| 52 | $bin = ImageMagick::IMAGEMAGICK_CONVERT . (strtoupper(substr(PHP_OS, 0, 3)) == "WIN" ? '.exe' : ''); |
| 53 | $gravities = shell_exec($program->binPath . $bin . ' -list gravity'); |
| 54 | $gravities = explode("\n", $gravities); |
| 55 | $count = count($gravities); |
| 56 | for ($i = 0; $i < $count; $i++) { |
| 57 | $gravities[$i] = trim(strtolower($gravities[$i])); |
| 58 | } |
| 59 | |
| 60 | return in_array(strtolower(trim($gravity)), $gravities); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Check if a image type is supported by the ImageMagick program. |
| 65 | * |
| 66 | * @param Program $program |
| 67 | * Program to check |
| 68 | * @param string $type |
| 69 | * Type to check |
| 70 | * |
| 71 | * @return boolean |
| 72 | */ |
| 73 | public static function imageTypes(Program $program, string $type): bool |
| 74 | { |
| 75 | if (! ($program instanceof Convert) && ! ($program instanceof Identify)) { |
| 76 | $message = 'This method can not be used in this context. (' . get_class($program) . ')'; |
| 77 | throw new \BadMethodCallException($message); |
| 78 | } |
| 79 | $bin = ImageMagick::IMAGEMAGICK_CONVERT . (strtoupper(substr(PHP_OS, 0, 3)) == "WIN" ? '.exe' : ''); |
| 80 | $types = shell_exec($program->binPath . $bin . ' -list type'); |
| 81 | $types = explode("\n", $types); |
| 82 | $count = count($types); |
| 83 | for ($i = 0; $i < $count; $i++) { |
| 84 | $types[$i] = trim(strtolower($types[$i])); |
| 85 | } |
| 86 | |
| 87 | return in_array(strtolower(trim($type)), $types); |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * Check if a colorspace is supported by the ImageMagick program. |
| 92 | * |
| 93 | * @param Program $program |
| 94 | * Program to check |
| 95 | * @param string $colorSpace |
| 96 | * Colorspace to check |
| 97 | * |
| 98 | * @return boolean |
| 99 | */ |
| 100 | public static function colorSpace(Program $program, string $colorSpace): bool |
| 101 | { |
| 102 | if (! ($program instanceof Convert) && ! ($program instanceof Identify)) { |
| 103 | $message = 'This method can not be used in this context. (' . get_class($program) . ')'; |
| 104 | throw new \BadMethodCallException($message); |
| 105 | } |
| 106 | $bin = ImageMagick::IMAGEMAGICK_CONVERT . (strtoupper(substr(PHP_OS, 0, 3)) == "WIN" ? '.exe' : ''); |
| 107 | $colorspaces = shell_exec($program->binPath . $bin . ' -list colorspace'); |
| 108 | $colorspaces = explode("\n", $colorspaces); |
| 109 | $count = count($colorspaces); |
| 110 | for ($i = 0; $i < $count; $i++) { |
| 111 | $colorspaces[$i] = trim(strtolower($colorspaces[$i])); |
| 112 | } |
| 113 | |
| 114 | return in_array(strtolower(trim($colorSpace)), $colorspaces); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Check if a method is supported by ImageMagick. |
| 119 | * |
| 120 | * @param Program $program |
| 121 | * Program to check |
| 122 | * @param string $method |
| 123 | * Method to check |
| 124 | * |
| 125 | * @return boolean |
| 126 | * @throws \BadMethodCallException if called in a wrong context |
| 127 | */ |
| 128 | public static function layerMethod(Program $program, string $method): bool |
| 129 | { |
| 130 | if (! ($program instanceof Convert) && ! ($program instanceof Identify)) { |
| 131 | throw new \BadMethodCallException('This method can not be used in this context'); |
| 132 | } |
| 133 | $bin = ImageMagick::IMAGEMAGICK_CONVERT . (strtoupper(substr(PHP_OS, 0, 3)) == "WIN" ? '.exe' : ''); |
| 134 | $methods = shell_exec($program->binPath . $bin . ' -list layers'); |
| 135 | $methods = explode("\n", $methods); |
| 136 | $count = count($methods); |
| 137 | for ($i = 0; $i < $count; $i++) { |
| 138 | $methods[$i] = trim(strtolower($methods[$i])); |
| 139 | } |
| 140 | |
| 141 | return in_array(strtolower(trim($method)), $methods); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Check if a format is supported by ImageMagick. |
| 146 | * |
| 147 | * @param Program $program |
| 148 | * Program to check |
| 149 | * @param string $format |
| 150 | * Format to check |
| 151 | * |
| 152 | * @return boolean |
| 153 | * @throws \BadMethodCallException if called in a wrong context |
| 154 | */ |
| 155 | public static function supportedFormat(Program $program, string $format): bool |
| 156 | { |
| 157 | if (! ($program instanceof Convert) && ! ($program instanceof Identify)) { |
| 158 | throw new \BadMethodCallException('This method can not be used in this context'); |
| 159 | } |
| 160 | $bin = ImageMagick::IMAGEMAGICK_CONVERT . (strtoupper(substr(PHP_OS, 0, 3)) == "WIN" ? '.exe' : ''); |
| 161 | $formats = shell_exec($program->binPath . $bin . ' -list format'); |
| 162 | $formats = explode("\n", $formats); |
| 163 | $count = count($formats); |
| 164 | for ($i = 0; $i < $count; $i++) { |
| 165 | $matches = []; |
| 166 | preg_match("/^[\s]*[A-Z0-9]+/", $formats[$i], $matches); |
| 167 | if (isset($matches[0]) && ! strpos($matches[0], 'Format')) { |
| 168 | $formats[$i] = strtolower(trim($matches[0])); |
| 169 | } |
| 170 | } |
| 171 | |
| 172 | return in_array(strtolower(trim($format)), $formats); |
| 173 | } |
| 174 | } |