diff options
Diffstat (limited to 'modules/gallery/helpers/graphics.php')
-rw-r--r-- | modules/gallery/helpers/graphics.php | 144 |
1 files changed, 25 insertions, 119 deletions
diff --git a/modules/gallery/helpers/graphics.php b/modules/gallery/helpers/graphics.php index 78812794..d6a2f00c 100644 --- a/modules/gallery/helpers/graphics.php +++ b/modules/gallery/helpers/graphics.php @@ -19,6 +19,7 @@ */ class graphics_Core { private static $init; + private static $_rules_cache = array(); /** * Add a new graphics rule. @@ -26,7 +27,7 @@ class graphics_Core { * Rules are applied to targets (thumbnails and resizes) in priority order. Rules are functions * in the graphics class. So for example, the following rule: * - * graphics::add_rule("gallery", "thumb", "resize", + * graphics::add_rule("gallery", "thumb", "gallery_graphics::resize", * array("width" => 200, "height" => 200, "master" => Image::AUTO), 100); * * Specifies that "gallery" is adding a rule to resize thumbnails down to a max of 200px on @@ -35,7 +36,7 @@ class graphics_Core { * * @param string $module_name the module that added the rule * @param string $target the target for this operation ("thumb" or "resize") - * @param string $operation the name of the operation + * @param string $operation the name of the operation (<defining class>::method) * @param array $args arguments to the operation * @param integer $priority the priority for this rule (lower priorities are run first) */ @@ -56,7 +57,7 @@ class graphics_Core { * Remove any matching graphics rules * @param string $module_name the module that added the rule * @param string $target the target for this operation ("thumb" or "resize") - * @param string $operation the name of the operation + * @param string $operation the name of the operation(<defining class>::method) */ static function remove_rule($module_name, $target, $operation) { ORM::factory("graphics_rule") @@ -146,13 +147,9 @@ class graphics_Core { $working_file = $input_file; } - foreach (ORM::factory("graphics_rule") - ->where("target", $target) - ->where("active", true) - ->orderby("priority", "asc") - ->find_all() as $rule) { + foreach (self::_get_rules($target) as $rule) { $args = array($working_file, $output_file, unserialize($rule->args)); - call_user_func_array(array("graphics", $rule->operation), $args); + call_user_func_array($rule->operation, $args); $working_file = $output_file; } } @@ -180,116 +177,19 @@ class graphics_Core { } } - /** - * Resize an image. Valid options are width, height and master. Master is one of the Image - * master dimension constants. - * - * @param string $input_file - * @param string $output_file - * @param array $options - */ - static function resize($input_file, $output_file, $options) { - if (!self::$init) { - self::init_toolkit(); - } - - module::event("graphics_resize", $input_file, $output_file, $options); - - if (@filesize($input_file) == 0) { - throw new Exception("@todo EMPTY_INPUT_FILE"); - } - - $dims = getimagesize($input_file); - if (max($dims[0], $dims[1]) < min($options["width"], $options["height"])) { - // Image would get upscaled; do nothing - copy($input_file, $output_file); - } else { - $image = Image::factory($input_file) - ->resize($options["width"], $options["height"], $options["master"]) - ->quality(module::get_var("gallery", "image_quality")); - if (graphics::can("sharpen")) { - $image->sharpen(module::get_var("gallery", "image_sharpen")); + private static function _get_rules($target) { + if (empty(self::$_rules_cache[$target])) { + $rules = array(); + foreach (ORM::factory("graphics_rule") + ->where("target", $target) + ->where("active", true) + ->orderby("priority", "asc") + ->find_all() as $rule) { + $rules[] = (object)$rule->as_array(); } - $image->save($output_file); - } - - module::event("graphics_resize_completed", $input_file, $output_file, $options); - } - - /** - * Rotate an image. Valid options are degrees - * - * @param string $input_file - * @param string $output_file - * @param array $options - */ - static function rotate($input_file, $output_file, $options) { - if (!self::$init) { - self::init_toolkit(); - } - - module::event("graphics_rotate", $input_file, $output_file, $options); - - Image::factory($input_file) - ->quality(module::get_var("gallery", "image_quality")) - ->rotate($options["degrees"]) - ->save($output_file); - - module::event("graphics_rotate_completed", $input_file, $output_file, $options); - } - - /** - * Overlay an image on top of the input file. - * - * Valid options are: file, mime_type, position, transparency_percent, padding - * - * Valid positions: northwest, north, northeast, - * west, center, east, - * southwest, south, southeast - * - * padding is in pixels - * - * @param string $input_file - * @param string $output_file - * @param array $options - */ - static function composite($input_file, $output_file, $options) { - if (!self::$init) { - self::init_toolkit(); - } - - module::event("graphics_composite", $input_file, $output_file, $options); - - list ($width, $height) = getimagesize($input_file); - list ($w_width, $w_height) = getimagesize($options["file"]); - - $pad = isset($options["padding"]) ? $options["padding"] : 10; - $top = $pad; - $left = $pad; - $y_center = max($height / 2 - $w_height / 2, $pad); - $x_center = max($width / 2 - $w_width / 2, $pad); - $bottom = max($height - $w_height - $pad, $pad); - $right = max($width - $w_width - $pad, $pad); - - switch ($options["position"]) { - case "northwest": $x = $left; $y = $top; break; - case "north": $x = $x_center; $y = $top; break; - case "northeast": $x = $right; $y = $top; break; - case "west": $x = $left; $y = $y_center; break; - case "center": $x = $x_center; $y = $y_center; break; - case "east": $x = $right; $y = $y_center; break; - case "southwest": $x = $left; $y = $bottom; break; - case "south": $x = $x_center; $y = $bottom; break; - case "southeast": $x = $right; $y = $bottom; break; + self::$_rules_cache[$target] = $rules; } - - Image::factory($input_file) - ->composite($options["file"], $x, $y, $options["transparency"]) - ->quality(module::get_var("gallery", "image_quality")) - ->save($output_file); - - - module::event("graphics_composite_completed", $input_file, $output_file, $options); + return self::$_rules_cache[$target]; } /** @@ -327,7 +227,7 @@ class graphics_Core { "%count of your photos are out of date. <a %attrs>Click here to fix them</a>", $count, array("attrs" => html::mark_clean(sprintf( - 'href="%s" class="gDialogLink"', + 'href="%s" class="g-dialog-link"', url::site("admin/maintenance/start/gallery_task::rebuild_dirty_images?csrf=__CSRF__"))))), "graphics_dirty"); } @@ -378,7 +278,10 @@ class graphics_Core { $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"); + $graphics_path = module::get_var("gallery", "graphics_toolkit_path", null); + + putenv("PATH=" . getenv("PATH") . (empty($graphics_path) ? "" : ":$graphics_path") . + ":/usr/local/bin:/opt/local/bin:/opt/bin"); // @todo: consider refactoring the two segments below into a loop since they are so // similar. @@ -463,6 +366,9 @@ class graphics_Core { * Choose which driver the Kohana Image library uses. */ static function init_toolkit() { + if (self::$init) { + return; + } switch(module::get_var("gallery", "graphics_toolkit")) { case "gd": Kohana::config_set("image.driver", "GD"); |