2009-09-10 18:07:33 -04:00
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<?php
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/**
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* WordPress Image Editor
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*
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* @package WordPress
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* @subpackage Administration
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*/
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function wp_image_editor($post_id) {
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$nonce = wp_create_nonce("image_editor-$post_id");
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$image_size_opt = "<option value='all'>" . __('all image sizes') . "</option>\n";
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$image_size_opt .= "<option value='full'>" . __('original image') . "</option>\n";
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$meta = wp_get_attachment_metadata($post_id);
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if ( is_array($meta) && is_array($meta['sizes']) ) {
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$sizes = apply_filters('intermediate_image_sizes', array('thumbnail', 'medium', 'large'));
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$size_names = array(
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'thumbnail' => __('thumbnail'),
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'medium' => __('medium'),
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'large' => __('large')
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);
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foreach ( $sizes as $size ) {
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if ( array_key_exists($size, $meta['sizes']) ) {
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$size_name = isset($size_names[$size]) ? $size_names[$size] : $size;
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$image_size_opt .= "<option value='$size'>$size_name</option>\n";
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}
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}
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} ?>
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<div class="imgedit-wrap">
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<div id="imgedit-panel-<?php echo $post_id; ?>">
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<div class="imgedit-menu">
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<div onclick="imageEdit.crop(<?php echo "$post_id, '$nonce'"; ?>)" class="imgedit-crop" title="<?php echo esc_attr__( 'Crop' ); ?>"></div><?php
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if ( function_exists('imagerotate') ) { ?>
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<div onclick="imageEdit.rotate(90, <?php echo "$post_id, '$nonce'"; ?>)" class="imgedit-rleft" title="<?php echo esc_attr__( 'Rotate couter-clockwise' ); ?>"></div>
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<div onclick="imageEdit.rotate(-90, <?php echo "$post_id, '$nonce'"; ?>)" class="imgedit-rright" title="<?php echo esc_attr__( 'Rotate clockwise' ); ?>"></div><?php
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} ?>
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<div onclick="imageEdit.flip(1, <?php echo "$post_id, '$nonce'"; ?>)" class="imgedit-fliph" title="<?php echo esc_attr__( 'Flip horizontally' ); ?>"></div>
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<div onclick="imageEdit.flip(2, <?php echo "$post_id, '$nonce'"; ?>)" class="imgedit-flipv" title="<?php echo esc_attr__( 'Flip vertically' ); ?>"></div>
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2009-09-14 10:03:32 -04:00
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2009-09-10 18:07:33 -04:00
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<div id="image-undo-<?php echo $post_id; ?>" onclick="imageEdit.undo(<?php echo "$post_id, '$nonce'"; ?>)" class="imgedit-undo disabled" title="<?php echo esc_attr__( 'Undo' ); ?>"></div>
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<div id="image-redo-<?php echo $post_id; ?>" onclick="imageEdit.redo(<?php echo "$post_id, '$nonce'"; ?>)" class="imgedit-redo disabled" title="<?php echo esc_attr__( 'Redo' ); ?>"></div>
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<br class="clear" />
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</div>
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<p>
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<span id="imgedit-scale-<?php echo $post_id; ?>">
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<input type="checkbox" onchange="imageEdit.scaleSwitched(<?php echo $post_id; ?>)" id="imgedit-scale-switch-<?php echo $post_id; ?>" /><label for="imgedit-scale-switch-<?php echo $post_id; ?>">Scale full size image:</label>
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<span id="imgedit-scale-values-<?php echo $post_id; ?>">
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<input type="text" id="imgedit-scale-width-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleWidthChanged(<?php echo $post_id; ?>)" style="width:4em;" />
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×
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<input type="text" id="imgedit-scale-height-<?php echo $post_id; ?>" onkeyup="imageEdit.scaleHeightChanged(<?php echo $post_id; ?>)" style="width:4em;" />
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</span>
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</span>
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</p>
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<input type="hidden" id="imgedit-history-<?php echo $post_id; ?>" value="" />
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<input type="hidden" id="imgedit-undone-<?php echo $post_id; ?>" value="0" />
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<input type="hidden" id="imgedit-selection-<?php echo $post_id; ?>" value="" />
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<input type="hidden" id="imgedit-aspect-x-<?php echo $post_id; ?>" value="" />
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<input type="hidden" id="imgedit-aspect-y-<?php echo $post_id; ?>" value="" />
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<h4><?php _e('Preview Image:'); ?></h4>
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<div id="imgedit-crop-<?php echo $post_id; ?>" style="position:relative;">
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<img src="<?php echo admin_url('admin-ajax.php') . "?action=load-preview-image&_ajax_nonce={$nonce}&postid={$post_id}&ver=" . rand(1, 99999); ?>" id="image-preview-<?php echo $post_id; ?>" />
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</div>
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<p>
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<?php _e('Apply to:'); ?>
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<select id="imgedit-save-target-<?php echo $post_id; ?>" onchange="imageEdit.targetChanged(<?php echo $post_id; ?>)">
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<?php echo $image_size_opt; ?>
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</select>
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</p>
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<p>
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<input type="button" onclick="imageEdit.close(<?php echo "$post_id, '$nonce'"; ?>)" class="button" value="<?php echo esc_attr__( 'Close' ); ?>" />
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<input type="button" onclick="imageEdit.save(<?php echo "$post_id, '$nonce'"; ?>)" class="button-primary" value="<?php echo esc_attr__( 'Save' ); ?>" />
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</p>
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<script type="text/javascript">imageEdit.targetChanged(<?php echo $post_id; ?>);</script>
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</div>
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<div class="imgedit-wait" id="imgedit-wait-<?php echo $post_id; ?>"></div>
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</div>
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<?php
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}
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function load_image_to_edit($post, $size = 'full') {
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$filename = get_attached_file($post->ID);
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if ( 'full' != $size && ( $data = image_get_intermediate_size($post->ID, $size) ) )
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$filename = path_join( dirname($filename), $data['file'] );
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switch ( $post->post_mime_type ) {
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case 'image/jpeg':
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$image = imagecreatefromjpeg($filename);
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break;
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case 'image/png':
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$image = imagecreatefrompng($filename);
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break;
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case 'image/gif':
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$image = imagecreatefromgif($filename);
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break;
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default:
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$image = false;
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break;
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}
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if ( is_resource($image) ) {
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$image = apply_filters('load_image_to_edit', $image, $post->ID); // allows plugins to remove a watermark
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if ( function_exists('imagealphablending') && function_exists('imagesavealpha') ) {
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imagealphablending($image, false);
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imagesavealpha($image, true);
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}
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}
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return $image;
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}
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function wp_stream_image($image, $mime_type, $post_id = 0, $intermediate_size = '') {
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$image = apply_filters('image_save_pre', $image, $post->ID, $intermediate_size);
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switch ( $mime_type ) {
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case 'image/jpeg':
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header('Content-Type: image/jpeg');
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return imagejpeg($image, null, 90);
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case 'image/png':
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header('Content-Type: image/png');
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return imagepng($image);
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case 'image/gif':
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header('Content-Type: image/gif');
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return imagegif($image);
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default:
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return false;
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}
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}
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function wp_save_image_file($filename, $image, $mime_type, $post_id = 0, $intermediate_size = '') {
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$image = apply_filters('image_save_pre', $image, $post->ID, $intermediate_size);
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switch ( $mime_type ) {
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case 'image/jpeg':
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return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) );
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case 'image/png':
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return imagepng($image, $filename);
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case 'image/gif':
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return imagegif($image, $filename);
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default:
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return false;
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}
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}
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function _image_get_preview_ratio($w, $h) {
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$max = max($w, $h);
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return $max > 400 ? (400 / $max) : 1;
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}
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function _rotate_image_resource($img, $angle) {
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if ( function_exists('imagerotate') ) {
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$rotated = imagerotate($img, $angle, 0);
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if ( is_resource($rotated) ) {
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imagedestroy($img);
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$img = $rotated;
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}
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}
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return $img;
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}
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function _flip_image_resource($img, $horz, $vert) {
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$w = imagesx($img);
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$h = imagesy($img);
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$dst = wp_imagecreatetruecolor($w, $h);
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if ( is_resource($dst) ) {
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$sx = $vert ? ($w - 1) : 0;
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$sy = $horz ? ($h - 1) : 0;
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$sw = $vert ? -$w : $w;
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$sh = $horz ? -$h : $h;
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if ( imagecopyresampled($dst, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh) ) {
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imagedestroy($img);
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$img = $dst;
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}
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}
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return $img;
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}
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function _crop_image_resource($img, $x, $y, $w, $h) {
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$dst = wp_imagecreatetruecolor($w, $h);
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if ( is_resource($dst) ) {
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if ( imagecopy($dst, $img, 0, 0, $x, $y, $w, $h) ) {
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imagedestroy($img);
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$img = $dst;
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}
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}
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return $img;
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}
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function image_edit_apply_changes($img, $changes) {
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if ( !is_array($changes) )
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return $img;
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// expand change operations
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foreach ( $changes as $key => $obj ) {
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if ( isset($obj->r) ) {
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$obj->type = 'rotate';
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$obj->angle = $obj->r;
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unset($obj->r);
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} elseif ( isset($obj->f) ) {
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$obj->type = 'flip';
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$obj->axis = $obj->f;
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unset($obj->f);
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} elseif ( isset($obj->c) ) {
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$obj->type = 'crop';
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$obj->sel = $obj->c;
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unset($obj->c);
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}
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$changes[$key] = $obj;
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}
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// combine operations
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if ( count($changes) > 1 ) {
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$filtered = array($changes[0]);
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for ( $i = 0, $j = 1; $j < count($changes); $j++ ) {
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$combined = false;
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if ( $filtered[$i]->type == $changes[$j]->type ) {
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switch ( $filtered[$i]->type ) {
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case 'rotate':
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$filtered[$i]->angle += $changes[$j]->angle;
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$combined = true;
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break;
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case 'flip':
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$filtered[$i]->axis ^= $changes[$j]->axis;
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$combined = true;
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break;
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}
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}
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if ( !$combined )
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$filtered[++$i] = $changes[$j];
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}
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$changes = $filtered;
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unset($filtered);
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}
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// image resource before applying the changes
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$img = apply_filters('image_edit_before_change', $img, $changes);
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foreach ( $changes as $operation ) {
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switch ( $operation->type ) {
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case 'rotate':
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if ( $operation->angle != 0 )
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$img = _rotate_image_resource($img, $operation->angle);
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break;
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case 'flip':
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if ( $operation->axis != 0 )
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$img = _flip_image_resource($img, ($operation->axis & 1) != 0, ($operation->axis & 2) != 0);
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break;
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case 'crop':
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$sel = $operation->sel;
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$scale = 1 / _image_get_preview_ratio( imagesx($img), imagesy($img) ); // discard preview scaling
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$img = _crop_image_resource($img, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale);
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break;
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}
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}
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return $img;
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}
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function stream_preview_image($post_id) {
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$post = get_post($post_id);
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@ini_set('memory_limit', '256M');
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$img = load_image_to_edit( $post, array(400, 400) );
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if ( !is_resource($img) )
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return false;
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$changes = !empty($_REQUEST['history']) ? json_decode( stripslashes($_REQUEST['history']) ) : null;
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if ( $changes )
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$img = image_edit_apply_changes($img, $changes);
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// scale the image
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$w = imagesx($img);
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$h = imagesy($img);
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$ratio = _image_get_preview_ratio($w, $h);
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$w2 = $w * $ratio;
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$h2 = $h * $ratio;
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$preview = wp_imagecreatetruecolor($w2, $h2);
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imagecopyresampled( $preview, $img, 0, 0, 0, 0, $w2, $h2, $w, $h );
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wp_stream_image($preview, $post->post_mime_type, $post_id);
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imagedestroy($preview);
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imagedestroy($img);
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return true;
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}
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function wp_save_image($post_id) {
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$msg = '';
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$success = $delete = $full_resized = false;
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$post = get_post($post_id);
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@ini_set('memory_limit', '256M');
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$img = load_image_to_edit($post);
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if ( !is_resource($img) )
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return 'error=' . __('Unable to create new image.');
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$fwidth = !empty($_REQUEST['fwidth']) ? intval($_REQUEST['fwidth']) : 0;
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$fheight = !empty($_REQUEST['fheight']) ? intval($_REQUEST['fheight']) : 0;
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$target = !empty($_REQUEST['target']) ? preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['target']) : '';
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if ( !empty($_REQUEST['history']) ) {
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$changes = json_decode( stripslashes($_REQUEST['history']) );
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if ( $changes )
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$img = image_edit_apply_changes($img, $changes);
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}
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if ( $fwidth > 0 && $fheight > 0 ) {
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// scale the full size image
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$dst = wp_imagecreatetruecolor($fwidth, $fheight);
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if ( imagecopyresampled( $dst, $img, 0, 0, 0, 0, $fwidth, $fheight, imagesx($img), imagesy($img) ) ) {
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imagedestroy($img);
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$img = $dst;
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$full_resized = true;
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}
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}
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if ( !$changes && !$full_resized )
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return 'error=' . __('Nothing to save, the image is not changed.');
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$meta = wp_get_attachment_metadata($post_id, false, false);
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if ( !is_array($meta) )
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$meta = array();
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if ( !isset($meta['sizes']) || !is_array($meta['sizes']) )
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$meta['sizes'] = array();
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// generate new filename
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$path = get_attached_file($post_id);
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$path_parts = pathinfo52( $path );
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$filename = $path_parts['filename'];
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|
$suffix = time() . rand(100, 999);
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|
while( true ) {
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$filename = preg_replace( '/-e([0-9]+)$/', '', $filename );
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$filename .= "-e{$suffix}";
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|
$new_filename = "{$filename}.{$path_parts['extension']}";
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$new_path = "{$path_parts['dirname']}/$new_filename";
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|
if ( file_exists($new_path) )
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|
$suffix++;
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else
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break;
|
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}
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|
|
// save the full-size file, also needed to create sub-sizes
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|
if ( !wp_save_image_file($new_path, $img, $post->post_mime_type, $post_id) )
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|
return 'error=' . __('Unable to save the image.');
|
|
|
|
|
|
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|
|
if ( 'full' == $target || 'all' == $target || $full_resized ) {
|
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|
|
$meta['sizes']["backup-{$suffix}-full"] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $path_parts['basename']);
|
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|
$success = update_attached_file($post_id, $new_path);
|
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|
$meta['file'] = get_attached_file($post_id, true); // get the path unfiltered
|
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|
|
$meta['width'] = imagesx($img);
|
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|
|
$meta['height'] = imagesy($img);
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|
list ( $uwidth, $uheight ) = wp_shrink_dimensions($meta['width'], $meta['height']);
|
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|
|
$meta['hwstring_small'] = "height='$uheight' width='$uwidth'";
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|
|
if ( $success && $target == 'all' )
|
|
|
|
|
$sizes = apply_filters( 'intermediate_image_sizes', array('large', 'medium', 'thumbnail') );
|
|
|
|
|
|
|
|
|
|
$msg .= "full={$meta['width']}x{$meta['height']}!";
|
|
|
|
|
} elseif ( array_key_exists($target, $meta['sizes']) ) {
|
|
|
|
|
$sizes = array( $target );
|
|
|
|
|
$success = $delete = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( isset($sizes) ) {
|
|
|
|
|
foreach ( $sizes as $size ) {
|
|
|
|
|
if ( isset($meta['sizes'][$size]) )
|
|
|
|
|
$meta['sizes']["backup-{$suffix}-$size"] = $meta['sizes'][$size];
|
|
|
|
|
|
|
|
|
|
$resized = image_make_intermediate_size($new_path, get_option("{$size}_size_w"), get_option("{$size}_size_h"), get_option("{$size}_crop") );
|
|
|
|
|
|
|
|
|
|
if ( $resized )
|
|
|
|
|
$meta['sizes'][$size] = $resized;
|
|
|
|
|
else
|
|
|
|
|
unset($meta['sizes'][$size]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( $success ) {
|
|
|
|
|
wp_update_attachment_metadata($post_id, $meta);
|
|
|
|
|
|
|
|
|
|
if ( $target == 'thumbnail' || $target == 'all' || ( $target == 'full' && !array_key_exists('thumbnail', $meta['sizes']) ) ) {
|
|
|
|
|
if ( $thumb_url = get_attachment_icon_src($post_id) )
|
|
|
|
|
$msg .= "thumbnail={$thumb_url[0]}";
|
|
|
|
|
}
|
|
|
|
|
} else {
|
|
|
|
|
$delete = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ( $delete ) {
|
|
|
|
|
$delpath = apply_filters('wp_delete_file', $new_path);
|
|
|
|
|
@unlink($delpath);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
imagedestroy($img);
|
|
|
|
|
return $msg;
|
|
|
|
|
}
|
|
|
|
|
|
