" . __('all image sizes') . "\n"; $image_size_opt .= "\n"; $meta = wp_get_attachment_metadata($post_id); if ( is_array($meta) && is_array($meta['sizes']) ) { $sizes = apply_filters('intermediate_image_sizes', array('thumbnail', 'medium', 'large')); $size_names = array( 'thumbnail' => __('thumbnail'), 'medium' => __('medium'), 'large' => __('large') ); foreach ( $sizes as $size ) { if ( array_key_exists($size, $meta['sizes']) ) { $size_name = isset($size_names[$size]) ? $size_names[$size] : $size; $image_size_opt .= "\n"; } } } ?>

Scale full size image: ×

" id="image-preview-" />

)" class="button" value="" /> )" class="button-primary" value="" />

ID); if ( 'full' != $size && ( $data = image_get_intermediate_size($post->ID, $size) ) ) $filename = path_join( dirname($filename), $data['file'] ); switch ( $post->post_mime_type ) { case 'image/jpeg': $image = imagecreatefromjpeg($filename); break; case 'image/png': $image = imagecreatefrompng($filename); break; case 'image/gif': $image = imagecreatefromgif($filename); break; default: $image = false; break; } if ( is_resource($image) ) { $image = apply_filters('load_image_to_edit', $image, $post->ID); // allows plugins to remove a watermark if ( function_exists('imagealphablending') && function_exists('imagesavealpha') ) { imagealphablending($image, false); imagesavealpha($image, true); } } return $image; } function wp_stream_image($image, $mime_type, $post_id = 0, $intermediate_size = '') { $image = apply_filters('image_save_pre', $image, $post->ID, $intermediate_size); switch ( $mime_type ) { case 'image/jpeg': header('Content-Type: image/jpeg'); return imagejpeg($image, null, 90); case 'image/png': header('Content-Type: image/png'); return imagepng($image); case 'image/gif': header('Content-Type: image/gif'); return imagegif($image); default: return false; } } function wp_save_image_file($filename, $image, $mime_type, $post_id = 0, $intermediate_size = '') { $image = apply_filters('image_save_pre', $image, $post->ID, $intermediate_size); switch ( $mime_type ) { case 'image/jpeg': return imagejpeg( $image, $filename, apply_filters( 'jpeg_quality', 90, 'edit_image' ) ); case 'image/png': return imagepng($image, $filename); case 'image/gif': return imagegif($image, $filename); default: return false; } } function _image_get_preview_ratio($w, $h) { $max = max($w, $h); return $max > 400 ? (400 / $max) : 1; } function _rotate_image_resource($img, $angle) { if ( function_exists('imagerotate') ) { $rotated = imagerotate($img, $angle, 0); if ( is_resource($rotated) ) { imagedestroy($img); $img = $rotated; } } return $img; } function _flip_image_resource($img, $horz, $vert) { $w = imagesx($img); $h = imagesy($img); $dst = wp_imagecreatetruecolor($w, $h); if ( is_resource($dst) ) { $sx = $vert ? ($w - 1) : 0; $sy = $horz ? ($h - 1) : 0; $sw = $vert ? -$w : $w; $sh = $horz ? -$h : $h; if ( imagecopyresampled($dst, $img, 0, 0, $sx, $sy, $w, $h, $sw, $sh) ) { imagedestroy($img); $img = $dst; } } return $img; } function _crop_image_resource($img, $x, $y, $w, $h) { $dst = wp_imagecreatetruecolor($w, $h); if ( is_resource($dst) ) { if ( imagecopy($dst, $img, 0, 0, $x, $y, $w, $h) ) { imagedestroy($img); $img = $dst; } } return $img; } function image_edit_apply_changes($img, $changes) { if ( !is_array($changes) ) return $img; // expand change operations foreach ( $changes as $key => $obj ) { if ( isset($obj->r) ) { $obj->type = 'rotate'; $obj->angle = $obj->r; unset($obj->r); } elseif ( isset($obj->f) ) { $obj->type = 'flip'; $obj->axis = $obj->f; unset($obj->f); } elseif ( isset($obj->c) ) { $obj->type = 'crop'; $obj->sel = $obj->c; unset($obj->c); } $changes[$key] = $obj; } // combine operations if ( count($changes) > 1 ) { $filtered = array($changes[0]); for ( $i = 0, $j = 1; $j < count($changes); $j++ ) { $combined = false; if ( $filtered[$i]->type == $changes[$j]->type ) { switch ( $filtered[$i]->type ) { case 'rotate': $filtered[$i]->angle += $changes[$j]->angle; $combined = true; break; case 'flip': $filtered[$i]->axis ^= $changes[$j]->axis; $combined = true; break; } } if ( !$combined ) $filtered[++$i] = $changes[$j]; } $changes = $filtered; unset($filtered); } // image resource before applying the changes $img = apply_filters('image_edit_before_change', $img, $changes); foreach ( $changes as $operation ) { switch ( $operation->type ) { case 'rotate': if ( $operation->angle != 0 ) $img = _rotate_image_resource($img, $operation->angle); break; case 'flip': if ( $operation->axis != 0 ) $img = _flip_image_resource($img, ($operation->axis & 1) != 0, ($operation->axis & 2) != 0); break; case 'crop': $sel = $operation->sel; $scale = 1 / _image_get_preview_ratio( imagesx($img), imagesy($img) ); // discard preview scaling $img = _crop_image_resource($img, $sel->x * $scale, $sel->y * $scale, $sel->w * $scale, $sel->h * $scale); break; } } return $img; } function stream_preview_image($post_id) { $post = get_post($post_id); @ini_set('memory_limit', '256M'); $img = load_image_to_edit( $post, array(400, 400) ); if ( !is_resource($img) ) return false; $changes = !empty($_REQUEST['history']) ? json_decode( stripslashes($_REQUEST['history']) ) : null; if ( $changes ) $img = image_edit_apply_changes($img, $changes); // scale the image $w = imagesx($img); $h = imagesy($img); $ratio = _image_get_preview_ratio($w, $h); $w2 = $w * $ratio; $h2 = $h * $ratio; $preview = wp_imagecreatetruecolor($w2, $h2); imagecopyresampled( $preview, $img, 0, 0, 0, 0, $w2, $h2, $w, $h ); wp_stream_image($preview, $post->post_mime_type, $post_id); imagedestroy($preview); imagedestroy($img); return true; } function wp_save_image($post_id) { $msg = ''; $success = $delete = $full_resized = false; $post = get_post($post_id); @ini_set('memory_limit', '256M'); $img = load_image_to_edit($post); if ( !is_resource($img) ) return 'error=' . __('Unable to create new image.'); $fwidth = !empty($_REQUEST['fwidth']) ? intval($_REQUEST['fwidth']) : 0; $fheight = !empty($_REQUEST['fheight']) ? intval($_REQUEST['fheight']) : 0; $target = !empty($_REQUEST['target']) ? preg_replace('/[^a-z0-9_-]+/i', '', $_REQUEST['target']) : ''; if ( !empty($_REQUEST['history']) ) { $changes = json_decode( stripslashes($_REQUEST['history']) ); if ( $changes ) $img = image_edit_apply_changes($img, $changes); } if ( $fwidth > 0 && $fheight > 0 ) { // scale the full size image $dst = wp_imagecreatetruecolor($fwidth, $fheight); if ( imagecopyresampled( $dst, $img, 0, 0, 0, 0, $fwidth, $fheight, imagesx($img), imagesy($img) ) ) { imagedestroy($img); $img = $dst; $full_resized = true; } } if ( !$changes && !$full_resized ) return 'error=' . __('Nothing to save, the image is not changed.'); $meta = wp_get_attachment_metadata($post_id, false, false); if ( !is_array($meta) ) $meta = array(); if ( !isset($meta['sizes']) || !is_array($meta['sizes']) ) $meta['sizes'] = array(); // generate new filename $path = get_attached_file($post_id); $path_parts = pathinfo52( $path ); $filename = $path_parts['filename']; $suffix = time() . rand(100, 999); while( true ) { $filename = preg_replace( '/-e([0-9]+)$/', '', $filename ); $filename .= "-e{$suffix}"; $new_filename = "{$filename}.{$path_parts['extension']}"; $new_path = "{$path_parts['dirname']}/$new_filename"; if ( file_exists($new_path) ) $suffix++; else break; } // save the full-size file, also needed to create sub-sizes if ( !wp_save_image_file($new_path, $img, $post->post_mime_type, $post_id) ) return 'error=' . __('Unable to save the image.'); if ( 'full' == $target || 'all' == $target || $full_resized ) { $meta['sizes']["backup-{$suffix}-full"] = array('width' => $meta['width'], 'height' => $meta['height'], 'file' => $path_parts['basename']); $success = update_attached_file($post_id, $new_path); $meta['file'] = get_attached_file($post_id, true); // get the path unfiltered $meta['width'] = imagesx($img); $meta['height'] = imagesy($img); list ( $uwidth, $uheight ) = wp_shrink_dimensions($meta['width'], $meta['height']); $meta['hwstring_small'] = "height='$uheight' width='$uwidth'"; 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; }