diff options
Diffstat (limited to 'modules/gallery/helpers/graphics.php')
| -rw-r--r-- | modules/gallery/helpers/graphics.php | 92 |
1 files changed, 84 insertions, 8 deletions
diff --git a/modules/gallery/helpers/graphics.php b/modules/gallery/helpers/graphics.php index d506a982..7dc46eeb 100644 --- a/modules/gallery/helpers/graphics.php +++ b/modules/gallery/helpers/graphics.php @@ -339,15 +339,90 @@ class graphics_Core { * GraphicsMagick we return the path to the directory containing the appropriate binaries. */ static function detect_toolkits() { + $toolkits = new stdClass(); + + // GD is special, it doesn't use exec() $gd = function_exists("gd_info") ? gd_info() : array(); - $exec = function_exists("exec"); + $toolkits->gd->name = "GD"; if (!isset($gd["GD Version"])) { - $gd["GD Version"] = false; + $toolkits->gd->installed = false; + $toolkits->gd->error = t("GD is not installed"); + } else { + $toolkits->gd->installed = true; + $toolkits->gd->version = $gd["GD Version"]; + $toolkits->gd->rotate = function_exists("imagerotate"); + $toolkits->gd->binary = ""; + $toolkits->gd->dir = ""; + + if (!$toolkits->gd->rotate) { + $toolkits->gd->error = + t("You have GD version %version, but it lacks image rotation.", + array("version" => $gd["GD Version"])); + } + } + + if (!function_exists("exec")) { + $toolkits->imagemagick->installed = false; + $toolkits->imagemagick->error = t("ImageMagick requires the <b>exec</b> function"); + + $toolkits->graphicsmagick->installed = false; + $toolkits->graphicsmagick->error = t("GraphicsMagick requires the <b>exec</b> function"); + } else { + putenv("PATH=" . getenv("PATH") . ":/usr/local/bin:/opt/local/bin:/opt/bin"); + + // @todo: consider refactoring the two segments below into a loop since they are so + // similar. + + // ImageMagick + $path = exec("which convert"); + $toolkits->imagemagick->name = "ImageMagick"; + if ($path) { + if (@is_file($path)) { + preg_match('/Version: \S+ (\S+)/', `convert -v`, $matches); + $version = $matches[1]; + + $toolkits->imagemagick->installed = true; + $toolkits->imagemagick->version = $version; + $toolkits->imagemagick->binary = $path; + $toolkits->imagemagick->dir = dirname($path); + $toolkits->imagemagick->rotate = true; + } else { + $toolkits->imagemagick->installed = false; + $toolkits->imagemagick->error = + t("ImageMagick is installed, but PHP's open_basedir restriction " . + "prevents Gallery from using it."); + } + } else { + $toolkits->imagemagick->installed = false; + $toolkits->imagemagick->error = t("We could not locate ImageMagick on your system."); + } + + // GraphicsMagick + $path = exec("which gm"); + $toolkits->graphicsmagick->name = "GraphicsMagick"; + if ($path) { + if (@is_file($path)) { + preg_match('/\S+ (\S+)/', `gm version`, $matches); + $version = $matches[1]; + + $toolkits->graphicsmagick->installed = true; + $toolkits->graphicsmagick->version = $version; + $toolkits->graphicsmagick->binary = $path; + $toolkits->graphicsmagick->dir = dirname($path); + $toolkits->graphicsmagick->rotate = true; + } else { + $toolkits->graphicsmagick->installed = false; + $toolkits->graphicsmagick->error = + t("GraphicsMagick is installed, but PHP's open_basedir restriction " . + "prevents Gallery from using it."); + } + } else { + $toolkits->graphicsmagick->installed = false; + $toolkits->graphicsmagick->error = t("We could not locate GraphicsMagick on your system."); + } } - putenv("PATH=" . getenv("PATH") . ":/usr/local/bin:/opt/local/bin:/opt/bin"); - return array("gd" => $gd, - "imagemagick" => $exec ? dirname(exec("which convert")) : false, - "graphicsmagick" => $exec ? dirname(exec("which gm")) : false); + + return $toolkits; } /** @@ -357,12 +432,13 @@ class graphics_Core { // Detect a graphics toolkit $toolkits = graphics::detect_toolkits(); foreach (array("imagemagick", "graphicsmagick", "gd") as $tk) { - if ($toolkits[$tk]) { + if ($toolkits->$tk->installed) { module::set_var("gallery", "graphics_toolkit", $tk); - module::set_var("gallery", "graphics_toolkit_path", $tk == "gd" ? "" : $toolkits[$tk]); + module::set_var("gallery", "graphics_toolkit_path", $toolkits->$tk->dir); break; } } + if (!module::get_var("gallery", "graphics_toolkit")) { site_status::warning( t("Graphics toolkit missing! Please <a href=\"%url\">choose a toolkit</a>", |