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<?php /** * Provides extensions to the image utilities to crop images. * * Places an image crop button in the image utilities box of the images tab. * <b>Note:</b> this plugin permanently changes the image. There is no <i>undo</i>. * * @author Stephen Billard (sbillard) * @package plugins * @subpackage tools */ if (isset($_REQUEST['performcrop'])) { if (!defined('OFFSET_PATH')) define('OFFSET_PATH', 3); require_once(dirname(dirname(__FILE__)) . '/admin-globals.php'); require_once(dirname(dirname(__FILE__)) . '/functions-image.php'); admin_securityChecks(ALBUM_RIGHTS, $return = currentRelativeURL()); } else { zp_register_filter('admin_toolbox_image', 'crop_image::toolbox'); zp_register_filter('edit_image_utilities', 'crop_image::edit', 99999); // we want this one to come right after the crop thumbnail button $plugin_is_filter = 5 | ADMIN_PLUGIN; $plugin_description = gettext("An image cropping tool."); $plugin_author = "Stephen Billard (sbillard)"; return; }
class crop_image {
static function toolbox($albumname, $imagename) { $album = newAlbum($albumname); if ($album->isMyItem(ALBUM_RIGHTS)) { $image = newimage($album, $imagename); if (isImagePhoto($image)) { ?> <li> <a href="<?php echo WEBPATH . "/" . ZENFOLDER . '/' . PLUGIN_FOLDER; ?>/crop_image.php?a=<?php echo pathurlencode($albumname); ?> &i=<?php echo urlencode($imagename); ?>&performcrop=frontend "><?php echo gettext("Crop image"); ?></a> </li> <?php } } }
static function edit($output, $image, $prefix, $subpage, $tagsort) { if (isImagePhoto($image)) { if (is_array($image->filename)) { $albumname = dirname($image->filename['source']); $imagename = basename($image->filename['source']); } else { $albumname = $image->albumlink; $imagename = $image->filename; } $output .= '<div class="button buttons tooltip" title="' . gettext('Permanently crop the actual image.') . '">' . "\n" . '<a href="' . WEBPATH . "/" . ZENFOLDER . '/' . PLUGIN_FOLDER . '/crop_image.php?a=' . pathurlencode($albumname) . "\n" . '&i=' . urlencode($imagename) . '&performcrop=backend&subpage=' . $subpage . '&tagsort=' . html_encode($tagsort) . '">' . "\n" . '<img src="images/shape_handles.png" alt="" />' . gettext("Crop image") . '</a>' . "\n" . '<br class="clearall" />' . '</div>' . "\n"; } return $output; }
}
$albumname = sanitize_path($_REQUEST['a']); $imagename = sanitize_path($_REQUEST['i']); $album = newAlbum($albumname); if (!$album->isMyItem(ALBUM_RIGHTS)) { // prevent nefarious access to this page. if (!zp_apply_filter('admin_managed_albums_access', false, $return)) { header('Location: ' . FULLWEBPATH . '/' . ZENFOLDER . '/admin.php?from=' . $return); exitZP(); } }
// get what image side is being used for resizing $use_side = getOption('image_use_side'); // get full width and height $albumobj = newAlbum($albumname); $imageobj = newImage($albumobj, $imagename);
if (isImagePhoto($imageobj)) { $imgpath = $imageobj->localpath; $imagepart = basename($imgpath); $timg = zp_imageGet($imgpath); $width = $imageobj->getWidth(); $height = $imageobj->getHeight(); } else { die(gettext('attempt to crop an object which is not an image.')); }
// get appropriate $sizedwidth and $sizedheight switch ($use_side) { case 'longest': $size = min(400, $width, $height); if ($width >= $height) { $sr = $size / $width; $sizedwidth = $size; $sizedheight = round($height / $width * $size); } else { $sr = $size / $height; $sizedwidth = Round($width / $height * $size); $sizedheight = $size; } break; case 'shortest': $size = min(400, $width, $height); if ($width < $height) { $sr = $size / $width; $sizedwidth = $size; $sizedheight = round($height / $width * $size); } else { $sr = $size / $height; $sizedwidth = Round($width / $height * $size); $sizedheight = $size; } break; case 'width': $size = $width; $sr = 1; $sizedwidth = $size; $sizedheight = round($height / $width * $size); break; case 'height': $size = $height; $sr = 1; $sizedwidth = Round($width / $height * $size); $sizedheight = $size; break; }
$args = array($size, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 1, NULL); $imageurl = getImageProcessorURI($args, $albumname, $imagepart); $iW = round($sizedwidth * 0.9); $iH = round($sizedheight * 0.9); $iX = round($sizedwidth * 0.05); $iY = round($sizedheight * 0.05);
if (isset($_REQUEST['crop'])) { XSRFdefender('crop'); $cw = $_REQUEST['w']; $ch = $_REQUEST['h']; $cx = $_REQUEST['x']; $cy = $_REQUEST['y'];
$rw = $width / $sizedwidth; $rh = $height / $sizedheight; $cw = round($cw * $rw); $ch = round($ch * $rh); $cx = round($cx * $rw); $cy = round($cy * $rh);
//create a new image with the set cropping $quality = getOption('full_image_quality'); $rotate = false; if (zp_imageCanRotate()) { $rotate = getImageRotation($imgpath); } if (DEBUG_IMAGE) debugLog("image_crop: crop " . basename($imgpath) . ":\$cw=$cw, \$ch=$ch, \$cx=$cx, \$cy=$cy \$rotate=$rotate");
if ($rotate) { $timg = zp_rotateImage($timg, $rotate); }
$newim = zp_createImage($cw, $ch); zp_resampleImage($newim, $timg, 0, 0, $cx, $cy, $cw, $ch, $cw, $ch, getSuffix($imagename)); @chmod($imgpath, 0777); @unlink($imgpath); if (zp_imageOutput($newim, getSuffix($imgpath), $imgpath, $quality)) { if (DEBUG_IMAGE) debugLog('image_crop Finished:' . basename($imgpath)); } else { if (DEBUG_IMAGE) debugLog('image_crop: failed to create ' . $imgpath); } @chmod($imgpath, FILE_MOD); zp_imageKill($newim); zp_imageKill($timg); Gallery::clearCache(SERVERCACHE . '/' . $albumname); // update the image data $imageobj->set('EXIFOrientation', 0); $imageobj->updateDimensions(); $imageobj->set('thumbX', NULL); $imageobj->set('thumbY', NULL); $imageobj->set('thumbW', NULL); $imageobj->set('thumbH', NULL); $imageobj->save();
if ($_REQUEST['performcrop'] == 'backend') { $return = FULLWEBPATH . '/' . ZENFOLDER . '/admin-edit.php?page=edit&album=' . pathurlencode($albumname) . '&saved&subpage=' . sanitize($_REQUEST['subpage']) . '&tagsort=' . sanitize($_REQUEST['tagsort']) . '&tab=imageinfo'; } else { $return = FULLWEBPATH . $imageobj->getImageLink(); }
header('Location: ' . $return); exitZP(); } if (isset($_REQUEST['subpage'])) { $subpage = sanitize($_REQUEST['subpage']); $tagsort = sanitize($_REQUEST['tagsort']); } else { $subpage = $tagsort = ''; } printAdminHeader('edit', gettext('crop image')); ?>
<script src="<?php echo WEBPATH . '/' . ZENFOLDER ?>/js/jquery.Jcrop.js" type="text/javascript"></script> <link rel="stylesheet" href="<?php echo WEBPATH . '/' . ZENFOLDER ?>/js/jquery.Jcrop.css" type="text/css" /> <link rel="stylesheet" href="<?php echo WEBPATH . '/' . ZENFOLDER . '/' . PLUGIN_FOLDER ?>/crop_image/crop_image.css" type="text/css" /> <script type="text/javascript" > //<!-- <![CDATA[ var jcrop_api; jQuery(window).load(function() {
initJcrop(); function initJcrop() { jcrop_api = jQuery.Jcrop('#cropbox');
jcrop_api.setOptions({ onchange: showCoords, onSelect: showCoords, bgOpacity: .4, bgColor: 'black' }); jcrop_api.setOptions({aspectRatio: 0}); resetBoundingBox(); }
jQuery('#aspect-ratio-width').keyup(aspectChange); jQuery('#aspect-ratio-height').keyup(aspectChange);
});
function clearAspect() { jcrop_api.setOptions({aspectRatio: 0}); $('#aspect-ratio-width').val(''); $('#aspect-ratio-height').val(''); resetBoundingBox(); showCoords(jcrop_api.tellSelect()); }
function aspectChange() { var aspectWidth = jQuery('#aspect-ratio-width').attr('value'); var aspectHeight = jQuery('#aspect-ratio-height').attr('value'); if (!aspectWidth) aspectWidth = aspectHeight; if (!aspectHeight) aspectHeight = aspectWidth; if (aspectHeight) { jcrop_api.setOptions({aspectRatio: aspectWidth / aspectHeight}); } else { jcrop_api.setOptions({aspectRatio: 0}); } showCoords(jcrop_api.tellSelect()); }
function swapAspect() { var aspectHeight = $('#aspect-ratio-width').val(); var aspectWidth = $('#aspect-ratio-height').val(); $('#aspect-ratio-width').val(aspectWidth); $('#aspect-ratio-height').val(aspectHeight); jcrop_api.setOptions({aspectRatio: aspectWidth / aspectHeight}); showCoords(jcrop_api.tellSelect()); } function clearAspect() { $('#aspect-ratio-width').val(''); $('#aspect-ratio-height').val(''); }
// Our simple event handler, called from onchange and onSelect // event handlers, as per the Jcrop invocation above function showCoords(c) { var new_width = Math.round(c.w * (<?php echo $width ?> /<?php echo $sizedwidth ?>)); var new_height = Math.round(c.h * (<?php echo $height ?> /<?php echo $sizedheight ?>));
jQuery('#x').val(c.x); jQuery('#y').val(c.y); jQuery('#x2').val(c.x2); jQuery('#y2').val(c.y2); jQuery('#w').val(c.w); jQuery('#h').val(c.h); jQuery('#new-width').text(new_width); jQuery('#new-height').text(new_height); }
function resetBoundingBox() { jcrop_api.setSelect([<?php echo $iX; ?>, <?php echo $iY; ?>, <?php echo $iX + $iW; ?>, <?php echo $iY + $iH; ?>]); }
function checkCoords() { return true; }
// ]]> --> </script> </head> <body> <?php printLogoAndLinks(); ?>
<div id="main"> <?php printTabs(); ?> <div id="content"> <?php zp_apply_filter('admin_note', 'crop_image', ''); ?> <h1><?php echo gettext("Image cropping") . ": <em>" . $albumobj->name . " (" . $albumobj->getTitle() . ") /" . $imageobj->filename . " (" . $imageobj->getTitle() . ")</em>"; ?></h1> <div id="notice_div"> <p><?php echo gettext('You can crop your image by dragging the crop handles on the image'); ?></p> <p id="notice" class="notebox" style="width:<?php echo $sizedwidth; ?>px" ><?php echo gettext('<strong>Note:</strong> If you save these changes they are permanent!'); ?></p> </div> <div style="display:block">
<div style="text-align:left; float: left;">
<div style="width: <?php echo $sizedwidth; ?>px; height: <?php echo $sizedheight; ?>px; margin-bottom: 10px; border: 4px solid gray;"> <!-- This is the image we're attaching Jcrop to --> <img src="<?php echo html_encode(pathurlencode($imageurl)); ?>" id="cropbox" /> <p class="floatright"> <?php echo sprintf(gettext('(<span id="new-width">%1$u</span> x <span id="new-height">%2$u</span> pixels)'), round($iW * ($width / $sizedwidth)), round($iH * ($height / $sizedheight))); ?> </p> </div> <span class="clearall" ></span> <?php printf(gettext('width:%1$s %2$s height:%3$s %4$s clear %5$s'), '<input type="text" id="aspect-ratio-width" name="aspect-ratio-width" value="" size="5" />', ' <span id="aspect" ><a id="swap_button" href="javascript:swapAspect();" title="' . gettext('swap width and height fields') . '" > <img src="crop_image/swap.png"> </a></span> ', '<input type="text" id="aspect-ratio-height" name="aspect-ratio-height" value="" size="5" />', '<a href="javascript:clearAspect();" title="' . gettext('clear width and height fields') . '" >', '</a>') ?>
<!-- This is the form that our event handler fills --> <form name="crop" id="crop" action="?crop" onsubmit="return checkCoords();"> <?php XSRFToken('crop'); ?> <input type="hidden" size="4" id="x" name="x" value="<?php echo $iX ?>" /> <input type="hidden" size="4" id="y" name="y" value="<?php echo $iY ?>" /> <input type="hidden" size="4" id="x2" name="x2" value="<?php echo $iX + $iW ?>" /> <input type="hidden" size="4" id="y2" name="y2" value="<?php echo $iY + $iH ?>" /> <input type="hidden" size="4" id="w" name="w" value="<?php echo $iW ?>" /> <input type="hidden" size="4" id="h" name="h" value="<?php echo $iH ?>" /> <input type="hidden" id="a" name="a" value="<?php echo html_encode($albumname); ?>" /> <input type="hidden" id="i" name="i" value="<?php echo html_encode($imagename); ?>" /> <input type="hidden" id="tagsort" name="tagsort" value="<?php echo html_encode($tagsort); ?>" /> <input type="hidden" id="subpage" name="subpage" value="<?php echo html_encode($subpage); ?>" /> <input type="hidden" id="crop" name="crop" value="crop" /> <input type="hidden" id="performcrop" name="performcrop" value="<?php echo html_encode(sanitize($_REQUEST['performcrop'])); ?>" /> <p class="buttons"> <button type="button" onclick="clearAspect();" > <img src="../images/fail.png" alt="" /><strong><?php echo gettext("Reset"); ?></strong> </button> <button type="submit" id="submit" name="submit" value="<?php echo gettext('Apply the cropping') ?>"> <img src="../images/pass.png" alt="" /><strong><?php echo gettext("Apply"); ?></strong> </button> <?php if ($_REQUEST['performcrop'] == 'backend') { ?> <button type="reset" value="<?php echo gettext('Back') ?>" onclick="window.location = '../admin-edit.php?page=edit&album=<?php echo pathurlencode($albumname); ?>&subpage=<?php echo $subpage; ?>&tagsort=<?php echo html_encode($tagsort); ?>&tab=imageinfo'"> <img src="../images/arrow_left_blue_round.png" alt="" /><strong><?php echo gettext("Back"); ?></strong> </button> <?php } else { ?> <button type="reset" value="<?php echo gettext('Back') ?>" onclick="window.location = '../../index.php?album=<?php echo pathurlencode($albumname); ?>&image=<?php echo urlencode($imagename); ?>'"> <img src="../images/arrow_left_blue_round.png" alt="" /><strong><?php echo gettext("Back"); ?></strong> </button> <?php } ?> </p> <br /> </form>
</div>
<br style="clear: both" /> </div><!-- block -->
</div><!-- content -->
<?php printAdminFooter(); ?> </div><!-- main --> </body>
</html>
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