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Admin includes reorg. see #4334
git-svn-id: https://develop.svn.wordpress.org/trunk@5542 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren
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<?php
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function get_udims( $width, $height) {
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if ( $height <= 96 && $width <= 128 )
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return array( $width, $height);
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elseif ( $width / $height > 4 / 3 )
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return array( 128, (int) ($height / $width * 128 ));
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else
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return array( (int) ($width / $height * 96 ), 96 );
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}
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function wp_create_thumbnail( $file, $max_side, $effect = '' ) {
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// 1 = GIF, 2 = JPEG, 3 = PNG
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if ( file_exists( $file ) ) {
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$type = getimagesize( $file );
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// if the associated function doesn't exist - then it's not
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// handle. duh. i hope.
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if (!function_exists( 'imagegif' ) && $type[2] == 1 ) {
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$error = __( 'Filetype not supported. Thumbnail not created.' );
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}
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elseif (!function_exists( 'imagejpeg' ) && $type[2] == 2 ) {
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$error = __( 'Filetype not supported. Thumbnail not created.' );
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}
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elseif (!function_exists( 'imagepng' ) && $type[2] == 3 ) {
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$error = __( 'Filetype not supported. Thumbnail not created.' );
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} else {
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// create the initial copy from the original file
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if ( $type[2] == 1 ) {
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$image = imagecreatefromgif( $file );
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}
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elseif ( $type[2] == 2 ) {
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$image = imagecreatefromjpeg( $file );
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}
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elseif ( $type[2] == 3 ) {
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$image = imagecreatefrompng( $file );
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}
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if ( function_exists( 'imageantialias' ))
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imageantialias( $image, TRUE );
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$image_attr = getimagesize( $file );
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// figure out the longest side
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if ( $image_attr[0] > $image_attr[1] ) {
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$image_width = $image_attr[0];
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$image_height = $image_attr[1];
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$image_new_width = $max_side;
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$image_ratio = $image_width / $image_new_width;
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$image_new_height = $image_height / $image_ratio;
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//width is > height
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} else {
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$image_width = $image_attr[0];
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$image_height = $image_attr[1];
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$image_new_height = $max_side;
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$image_ratio = $image_height / $image_new_height;
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$image_new_width = $image_width / $image_ratio;
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//height > width
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}
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$thumbnail = imagecreatetruecolor( $image_new_width, $image_new_height);
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@ imagecopyresampled( $thumbnail, $image, 0, 0, 0, 0, $image_new_width, $image_new_height, $image_attr[0], $image_attr[1] );
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// If no filters change the filename, we'll do a default transformation.
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if ( basename( $file ) == $thumb = apply_filters( 'thumbnail_filename', basename( $file ) ) )
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$thumb = preg_replace( '!(\.[^.]+)?$!', '.thumbnail' . '$1', basename( $file ), 1 );
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$thumbpath = str_replace( basename( $file ), $thumb, $file );
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// move the thumbnail to its final destination
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if ( $type[2] == 1 ) {
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if (!imagegif( $thumbnail, $thumbpath ) ) {
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$error = __( "Thumbnail path invalid" );
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}
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}
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elseif ( $type[2] == 2 ) {
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if (!imagejpeg( $thumbnail, $thumbpath ) ) {
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$error = __( "Thumbnail path invalid" );
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}
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}
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elseif ( $type[2] == 3 ) {
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if (!imagepng( $thumbnail, $thumbpath ) ) {
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$error = __( "Thumbnail path invalid" );
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}
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}
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}
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} else {
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$error = __( 'File not found' );
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}
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if (!empty ( $error ) ) {
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return $error;
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} else {
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return apply_filters( 'wp_create_thumbnail', $thumbpath );
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}
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}
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function wp_crop_image( $src_file, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs = false, $dst_file = false ) {
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if ( ctype_digit( $src_file ) ) // Handle int as attachment ID
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$src_file = get_attached_file( $src_file );
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$src = wp_load_image( $src_file );
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if ( !is_resource( $src ))
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return $src;
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$dst = imagecreatetruecolor( $dst_w, $dst_h );
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if ( $src_abs ) {
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$src_w -= $src_x;
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$src_h -= $src_y;
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}
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if (function_exists('imageantialias'))
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imageantialias( $dst, true );
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imagecopyresampled( $dst, $src, 0, 0, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h );
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if ( !$dst_file )
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$dst_file = str_replace( basename( $src_file ), 'cropped-'.basename( $src_file ), $src_file );
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$dst_file = preg_replace( '/\\.[^\\.]+$/', '.jpg', $dst_file );
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if ( imagejpeg( $dst, $dst_file ) )
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return $dst_file;
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else
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return false;
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}
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function wp_generate_attachment_metadata( $attachment_id, $file ) {
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$attachment = get_post( $attachment_id );
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$metadata = array();
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if ( preg_match('!^image/!', get_post_mime_type( $attachment )) ) {
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$imagesize = getimagesize($file);
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$metadata['width'] = $imagesize['0'];
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$metadata['height'] = $imagesize['1'];
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list($uwidth, $uheight) = get_udims($metadata['width'], $metadata['height']);
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$metadata['hwstring_small'] = "height='$uheight' width='$uwidth'";
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$metadata['file'] = $file;
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$max = apply_filters( 'wp_thumbnail_creation_size_limit', 3 * 1024 * 1024, $attachment_id, $file );
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if ( $max < 0 || $metadata['width'] * $metadata['height'] < $max ) {
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$max_side = apply_filters( 'wp_thumbnail_max_side_length', 128, $attachment_id, $file );
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$thumb = wp_create_thumbnail( $file, $max_side );
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if ( @file_exists($thumb) )
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$metadata['thumb'] = basename($thumb);
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}
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}
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return apply_filters( 'wp_generate_attachment_metadata', $metadata );
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}
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function wp_load_image( $file ) {
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if ( ctype_digit( $file ) )
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$file = get_attached_file( $file );
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if ( !file_exists( $file ) )
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return sprintf(__("File '%s' doesn't exist?"), $file);
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if ( ! function_exists('imagecreatefromstring') )
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return __('The GD image library is not installed.');
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$contents = file_get_contents( $file );
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$image = imagecreatefromstring( $contents );
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if ( !is_resource( $image ) )
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return sprintf(__("File '%s' is not an image."), $file);
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return $image;
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}
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function wp_shrink_dimensions( $width, $height, $wmax = 128, $hmax = 96 ) {
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if ( $height <= $hmax && $width <= $wmax )
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return array( $width, $height);
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elseif ( $width / $height > $wmax / $hmax )
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return array( $wmax, (int) ($height / $width * $wmax ));
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else
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return array( (int) ($width / $height * $hmax ), $hmax );
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}
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?>
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