205 lines
8.1 KiB
PHP
205 lines
8.1 KiB
PHP
<?php defined("SYSPATH") or die("No direct script access.");/**
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* Gallery - a web based photo album viewer and editor
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* Copyright (C) 2000-2013 Bharat Mediratta
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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class themeroller {
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static function extract_zip_file($zipfile) {
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$extract_path = VARPATH . trim($zipfile, "/") . ".d";
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if (extension_loaded("zip")) {
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$zip = new ZipArchive();
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if ($zip->open($zipfile) === true) {
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Session::instance()->set("theme_extract_path", $extract_path);
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$zip->extractTo($extract_path);
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$zip->close();
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return $extract_path;
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}
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} else if (extension_loaded("zlib")) {
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require_once(MODPATH . "themeroller/libraries/pclzip.lib.php");
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$archive = new PclZip($zipfile);
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$list = $archive->extract(PCLZIP_OPT_PATH, $extract_path);
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if (!empty($list)) {
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Session::instance()->set("theme_extract_path", $extract_path);
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return $extract_path;
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}
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}
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return false;
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}
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static function recursive_directory_delete($path) {
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if (is_dir($path)) {
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$objects = scandir($path);
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foreach ($objects as $object) {
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if ($object[0] != ".") {
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$object_path = "$path/$object";
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if (filetype($object_path) == "dir") {
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self::recursive_directory_delete($object_path);
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} else {
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unlink($object_path);
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}
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}
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}
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}
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}
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static function get_theme_name($extract_path) {
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$theme_name = null;
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if ($handle = opendir($extract_path . "/css")) {
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while (false !== ($file = readdir($handle))) {
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if ($file[0] !== ".") {
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$theme_name = basename($file);
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break;
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}
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}
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if (empty($theme_name)) {
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Kohana_Log::add("error", "zip file: no theme name");
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$post->add_error($field, "invalid zipfile");
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}
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closedir($handle);
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}
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return $theme_name;
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}
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static function get_theme_parameters($original_name, $css_path, $is_admin) {
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$parameters = array();
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$css_files = glob("$css_path/css/$original_name/jquery*.css");
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$css_contents = file_get_contents($css_files[0]);
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$parameters["colors"] = $parameters["icons"] = array();
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if (preg_match("/[?|&](.*)/", $css_contents, $matches)) {
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if (preg_match_all("/&{0,1}(\w+)=([a-zA-Z0-9\-_\%\.,]*)/", $matches[1], $colors, PREG_SET_ORDER)) {
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foreach ($colors as $color) {
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$parameters["colors"][$color[1]] = $color[2];
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if (strpos($color[1], "icon") === 0) {
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$parameters["icons"][] = $color[2];
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}
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}
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}
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}
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if (empty($parameters["colors"]["bgColorOverlay"])) {
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$parameters["colors"]["bgColorOverlay"] = $parameters["colors"]["bgColorDefault"];
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/* @todo go find the .ui-widget-overlay { background: #aaaaaa */
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}
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// The jquery themeroller has no warning style so lets generate the appropriate colors.
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// We'll do this by averaging the color components of highlight and error colors
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foreach (array("borderColor", "fc", "bgColor", "iconColor") as $type) {
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$highlight = self::_rgb(hexdec($parameters["colors"]["{$type}Highlight"]));
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$error = self::_rgb(hexdec($parameters["colors"]["{$type}Error"]));
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$warning = 0;
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foreach (array("red", "green", "blue") as $color) {
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$warning = ($warning << 8) | (int)floor(($highlight[$color] + $error[$color]) / 2);
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}
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$parameters["colors"]["{$type}Warning"] = dechex($warning);
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if ($type == "iconColor") {
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$parameters["icons"][] = $parameters["colors"]["{$type}Warning"];
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}
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}
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$parameters["js"] = $is_admin ? glob(MODPATH . "themeroller/data/js/admin_*.js") :
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glob(MODPATH . "themeroller/data/js/site_*.js");
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$parameters["standard_css"] = glob(MODPATH . "themeroller/data/css/*.css");
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$parameters["masks"] = glob(MODPATH . "themeroller/data/masks/images/*.png");
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$parameters["icon_mask"] = MODPATH . "themeroller/data/masks/css/themeroller/ui-icons_mask_256x240.png";
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$parameters["views"] = $is_admin ? glob(MODPATH . "themeroller/data/admin_views/*.html.php") :
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glob(MODPATH . "themeroller/data/views/*.html.php");
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$parameters["css_files"] = $css_files;
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$parameters["gifs"] = glob(MODPATH . "themeroller/data/images/*.gif");
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$parameters["images"] =
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glob("$css_path/development-bundle/themes/$original_name/images/ui-bg*.png");
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$thumb_dir = $is_admin ? "admin_thumbnail" : "site_thumbnail";
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$parameters["thumbnail"] = MODPATH . "themeroller/data/masks/$thumb_dir/thumbnail.png";
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$parts = glob(MODPATH . "themeroller/data/masks/$thumb_dir/thumbnail_*.png");
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$parameters["thumbnail_parts"] = array();
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foreach ($parts as $thumb_file) {
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if (preg_match("/thumbnail_(.*)\.png$/", $thumb_file, $matches)) {
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$parameters["thumbnail_parts"][] = array("file" => $thumb_file,
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"color" => $parameters["colors"][$matches[1]]);
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}
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}
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return $parameters;
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}
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static function generate_image($mask_file, $output, $color) {
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$mask = imagecreatefrompng($mask_file);
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$image = imagecreatetruecolor(imagesx($mask), imagesy($mask));
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$icon_color = self::_rgb(hexdec($color));
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$transparent = imagecolorallocatealpha($image,
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$icon_color['red'], $icon_color['green'], $icon_color['blue'], 127);
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imagefill($image, 0, 0, $transparent);
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for ($y=0; $y < imagesy($mask); $y++) {
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for ($x=0; $x < imagesx($mask); $x++) {
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$pixel_color = imagecolorsforindex($mask, imagecolorat($mask, $x, $y));
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$mask_color = self::_grayscale_pixel($pixel_color);
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$mask_alpha = 127 - floor($mask_color["red"] * 127 / 256);
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$new_color = imagecolorallocatealpha($image,
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$icon_color['red'], $icon_color['green'], $icon_color['blue'], $mask_alpha);
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imagesetpixel($image, $x, $y, $new_color);
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}
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}
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imagesavealpha($image, true);
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imagealphablending($image, false);
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imagepng($image, $output);
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imagedestroy($image);
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imagedestroy($mask);
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}
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static function generate_thumbnail($base, $parts, $target) {
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$image = imagecreatefrompng($base);
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$transparent = imagecolorallocatealpha($image, 0, 0, 0, 127);
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imagefill($image, 0, 0, $transparent);
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$width = imagesx($image);
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$height = imagesy($image);
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foreach ($parts as $thumb_part) {
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$color = self::_rgb(hexdec($thumb_part["color"]));
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$image_part = imagecreatefrompng($thumb_part["file"]);
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for ($y=0; $y < imagesy($image_part); $y++) {
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for ($x=0; $x < imagesx($image_part); $x++) {
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$pixel_color = imagecolorsforindex($image_part, imagecolorat($image_part, $x, $y));
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$new_color = imagecolorallocatealpha($image,
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$color['red'], $color['green'], $color['blue'], $pixel_color["alpha"]);
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imagesetpixel($image, $x, $y, $new_color);
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}
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}
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imagedestroy($image_part);
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}
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imagesavealpha($image, true);
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imagealphablending($image, false);
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imagepng($image, $target);
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imagedestroy($image);
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}
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private static function _rgb($color) {
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$r = ($color >> 16) & 0xff;
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$g = ($color >> 8) & 0xff;
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$b = $color & 0xff;
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return array("red" => $r, "green" => $g, "blue" => $b, "alpha" => 0);
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}
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private static function _grayscale_pixel($color) {
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$gray = round(($color['red'] * 0.299) + ($color['green'] * 0.587) + ($color['blue'] * 0.114));
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return array("red" => $gray, "green" => $gray, "blue" => $gray, "alpha" => 0);
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}
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}
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