PHP phpThumb::ImageMagickSwitchAvailable方法代码示例

echo '<div style="color: blue; font-family: monospace;">' . htmlentities($phpThumb->ImageMagickCommandlineBase()) . '</div>';
echo $ServerInfo['im_version'] ? $ServerInfo['im_version'] : 'n/a';
echo $IMreleaseDate ? '<br><br>This version of ImageMagick is ' . NiceTimeFormatting($IMversionAge) . ' old<br>(see <a href="http://www.imagemagick.org/">www.imagemagick.org</a> for new versions)' : '';
echo '</th><td>ImageMagick is faster than GD, can process larger images without PHP memory_limit issues, can resize animated GIFs. phpThumb can perform most operations with ImageMagick only, even if GD is not available.</td></tr>';
echo '<tr><th>ImageMagick features:</th>';
if ($ServerInfo['im_version']) {
    $GDfeatures['red'] = array('help', 'thumbnail', 'resize', 'crop', 'repage', 'coalesce', 'gravity', 'background', 'interlace', 'flatten', 'border', 'bordercolor', 'dither', 'quality');
    $GDfeatures['orange'] = array('version', 'blur', 'colorize', 'colors', 'colorspace', 'contrast', 'contrast-stretch', 'edge', 'emboss', 'fill', 'flip', 'flop', 'gamma', array('gaussian', 'gaussian-blur'), 'level', 'modulate', 'monochrome', 'negate', 'normalize', 'rotate', 'sepia-tone', 'threshold', 'unsharp');
    echo '<th colspan="2">|';
    foreach ($GDfeatures as $missingcolor => $features) {
        foreach ($features as $dummy => $feature) {
            $foundOneThatWorks = false;
            if (is_array($feature)) {
                // sometimes feature names change, e.g. "gaussian" -> "gaussian-blur". They won't both exist in the same version of ImageMagick, but as long as one of them does then the feature will work
                foreach ($feature as $alternate_feature_name) {
                    if ($phpThumb->ImageMagickSwitchAvailable($alternate_feature_name)) {
                        $foundOneThatWorks = true;
                        $feature = $alternate_feature_name;
                        break;
                    }
                }
            } else {
                $foundOneThatWorks = $phpThumb->ImageMagickSwitchAvailable($feature);
            }
            echo '| <span style="background-color: ' . ($foundOneThatWorks ? 'lime' : $missingcolor) . ';">' . htmlentities($feature) . '</span> |';
        }
    }
    echo '|</th>';
} else {
    echo '<th colspan="2" style="background-color: orange;">ImageMagick not found</th>';
}

    } else {
        echo 'olive';
    }
} elseif (@$ServerInfo['gd_string']) {
    echo 'orange';
} else {
    echo 'red';
}
echo '">"' . $phpThumb->ImageMagickCommandlineBase() . '"<br>' . ($ServerInfo['im_version'] ? $ServerInfo['im_version'] : 'n/a') . (@$IMversionAge ? '<br><br>This version of ImageMagick is ' . ($IMversionAge < 180 ? number_format($IMversionAge / 30, 2) . ' months' : number_format($IMversionAge / 365, 2) . ' years') . ' old<br>(see www.imagemagick.org for new versions)' : '');
echo '</th><td>ImageMagick is faster than GD, can process larger images without PHP memory_limit issues, can resize animated GIFs. phpThumb can perform most operations with ImageMagick only, even if GD is not available.</td></tr>';
echo '<tr><th>ImageMagick features:</th><th colspan="2">|';
$GDfeatures['red'] = array('help', 'thumbnail', 'resize', 'crop', 'repage', 'coalesce', 'gravity', 'background', 'interlace', 'flatten', 'border', 'bordercolor', 'dither', 'quality');
$GDfeatures['orange'] = array('version', 'blur', 'colorize', 'colors', 'colorspace', 'contrast', 'contrast-stretch', 'edge', 'emboss', 'fill', 'flip', 'flop', 'gamma', 'gaussian', 'level', 'modulate', 'monochrome', 'negate', 'normalize', 'rotate', 'sepia-tone', 'threshold', 'unsharp');
foreach ($GDfeatures as $missingcolor => $features) {
    foreach ($features as $dummy => $feature) {
        echo '| <span style="background-color: ' . ($phpThumb->ImageMagickSwitchAvailable($feature) ? 'lime' : $missingcolor) . ';">' . htmlentities($feature) . '</span> |';
    }
}
echo '|</th><td>All of these parameters may be called by phpThumb, depending on parameters used.  Green means the feature is available; red means a critical feature is missing; orange means an optional filter/feature is missing.</td></tr>';
echo '<tr><th>ImageMagick formats:</th><th colspan="2"><textarea rows="10" cols="50" wrap="off">';
echo htmlentities($phpThumb->ImageMagickFormatsList());
echo '</textarea></th><td>ImageMagick can only read/write formats as listed here. You may need to recompile ImageMagick if you need to use a format not listed</td></tr>';
echo '<tr><th>GD features:</th><th colspan="2">';
$GDfeatures['red'] = array('JPG Support', 'PNG Support');
$GDfeatures['orange'] = array('GIF Read Support', 'GIF Create Support', 'FreeType Support');
foreach ($GDfeatures as $missingcolor => $features) {
    foreach ($features as $dummy => $feature) {
        echo '<div style="background-color: ' . ($gd_info[$feature] ? 'lime' : $missingcolor) . ';">' . htmlentities($feature) . '</div>';
    }
}
echo '</th><td>PNG support is required for watermarks, overlays, calls to ImageMagick and other internal operations.<br>JPG support is obviously quite useful, but ImageMagick can substitute<br>GIF read support can be bypassed with ImageMagick and/or internal GIF routines.<br>GIF create support can be bypassed with ImageMagick (if no filters are applied)<br>FreeType support is needed for TTF overlays.</td></tr>';

 /**
  * Concrete implementation of the validate() method. This methods determines 
  * whether input validation passes or not.
  * @param object ReusableOption &$target 	The option to validate.
  * @return String 	The error message created by this test.
  * @access public
  */
 function validate(&$target)
 {
     $errMsg = '';
     require_once PHOTOQ_PATH . 'lib/phpThumb_1.7.9/phpthumb.class.php';
     // create phpThumb object
     $phpThumb = new phpThumb();
     $phpThumb->config_imagemagick_path = $target->getValue() ? $target->getValue() : null;
     //under windows the version check doesn't seem to work so we also check for availability of resize
     if (!$phpThumb->ImageMagickVersion() && !$phpThumb->ImageMagickSwitchAvailable('resize')) {
         $errMsg = __("Note: ImageMagick does not seem to be installed at the location you specified. ImageMagick is optional but might be needed to process bigger photos, plus PhotoQ might run faster if you configure ImageMagick correctly. If you don't care about ImageMagick and are happy with using the GD library you can safely ignore this message.", 'PhotoQ');
     }
     return $this->formatErrMsg($errMsg);
 }