84 lines
3.9 KiB
Text
84 lines
3.9 KiB
Text
<?php
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function imageapi_gd_requirements($phase) {
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$requirements = array();
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$t = get_t();
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$gd = function_exists('imagegd2');
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if (!$gd) {
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$requirements['imageapi_gd'] = array(
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'title' => $t('GD library'),
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'value' => $t('Not installed'),
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'severity' => REQUIREMENT_ERROR,
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'description' => $t('The GD library for PHP is missing or outdated. Please check the <a href="@url">PHP image documentation</a> for information on how to correct this.', array('@url' => 'http://www.php.net/manual/en/image.setup.php')),
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);
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return $requirements;
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}
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// If color module hasn't already do so, report the version.
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if (!module_exists('color')) {
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$info = gd_info();
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$requirements['imageapi_gd'] = array(
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'title' => $t('GD library'),
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'value' => $info['GD Version'],
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'severity' => REQUIREMENT_OK,
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);
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}
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// Check image format support
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foreach (array('gif', 'jpeg', 'png') as $format) {
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if (function_exists('imagecreatefrom'. $format)) continue;
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$requirements['imageapi_gd_'. $format] = array(
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'title' => $t('GD !format Support', array('!format' => drupal_ucfirst($format))),
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'value' => $t('Not installed'),
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'severity' => REQUIREMENT_ERROR,
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'description' => $t('PHP GD was not compiled with %format support.', array('%format' => $format)),
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);
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}
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// check non required stuff aka not installation blockers.
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if ($phase == 'runtime') {
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if (!function_exists('imagerotate')) {
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$requirements['imageapi_gd_imagerotate'] = array(
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'title' => $t('GD Image Rotation'),
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'value' => $t('Low Quality / Poor Performance'),
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'severity' => REQUIREMENT_WARNING,
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'description' => $t('The installed version of PHP GD does not support image rotations. It was probably compiled using the official GD libraries from <a href="http://www.libgd.org">http://www.libgd.org</a> instead of the GD library bundled with PHP. You should recompile PHP --with-gd using the bundled GD library. See <a href="http://www.php.net/manual/en/image.setup.php">PHP Manual</a> for more information. A slower implementation of imagerotate() written in PHP will used in the interim.'),
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);
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}
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if (!function_exists('imagefilter')) {
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$requirements['imageapi_gd_imagefilter'] = array(
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'title' => $t('GD Image Filtering'),
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'value' => $t('Low Quality / Poor Performance'),
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'severity' => REQUIREMENT_WARNING,
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'description' => $t('The installed version of PHP GD does not support image filtering(desaturate, blur, negate, etc). It was probably compiled using the official GD libraries from <a href="http://www.libgd.org">http://www.libgd.org</a> instead of the GD library bundled with PHP. You should recompile PHP --with-gd using the bundled GD library. See <a href="http://www.php.net/manual/en/image.setup.php">PHP Manual</a> for more information. A slower implementation of imagefilter() written in PHP will be used in the interim.'),
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);
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}
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// Test the 'memory_limit' PHP configuration directive
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$memory_limit = ini_get('memory_limit');
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// If $memory_limit contains a value of -1, the PHP runtime
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// doesn't impose a limit on memory used by PHP scripts
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if ($memory_limit && $memory_limit != -1 && parse_size($memory_limit) < parse_size('96M')) {
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$requirements['imagecache_memory_limit'] = array(
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'title' => $t('ImageAPI GD Memory Limit'),
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'value' => $memory_limit,
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'severity' => REQUIREMENT_WARNING,
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'description' => $t('It is highly recommended that you set you PHP memory_limit to 96M to use ImageAPI GD. A 1600x1200 images consumes ~45M of memory when decompressed and there are instances where ImageAPI GD is operating on two decompressed images at once.'),
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);
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}
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}
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return $requirements;
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}
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/**
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* Implementation of hook_uninstall().
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*/
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function imageapi_gd_uninstall() {
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variable_del('imageapi_jpeg_quality');
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}
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