| 3 | | function get_udims( $width, $height) { |
| 4 | | if ( $height <= 96 && $width <= 128 ) |
| 5 | | return array( $width, $height); |
| 6 | | elseif ( $width / $height > 4 / 3 ) |
| 7 | | return array( 128, (int) ($height / $width * 128 )); |
| 8 | | else |
| 9 | | return array( (int) ($width / $height * 96 ), 96 ); |
| 10 | | } |
| | 8 | /** |
| | 9 | * wp_create_thumbnail() - Create a thumbnail from an Image given a maximum side size. |
| | 10 | * |
| | 11 | * @package WordPress |
| | 12 | * @param mixed $file Filename of the original image, Or attachment id |
| | 13 | * @param int $max_side Maximum length of a single side for the thumbnail |
| | 14 | * @return string Thumbnail path on success, Error string on failure |
| | 15 | * |
| | 16 | * This function can handle most image file formats which PHP supports. |
| | 17 | * If PHP does not have the functionality to save in a file of the same format, the thumbnail will be created as a jpeg. |
| | 18 | */ |
| | 19 | function wp_create_thumbnail( $file, $max_side, $depreciated = '' ) { |
| | 20 | if ( ctype_digit( $file ) ) // Handle int as attachment ID |
| | 21 | $file = get_attached_file( $file ); |
| 22 | | if (!function_exists( 'imagegif' ) && $type[2] == 1 ) { |
| 23 | | $error = __( 'Filetype not supported. Thumbnail not created.' ); |
| 24 | | } |
| 25 | | elseif (!function_exists( 'imagejpeg' ) && $type[2] == 2 ) { |
| 26 | | $error = __( 'Filetype not supported. Thumbnail not created.' ); |
| 27 | | } |
| 28 | | elseif (!function_exists( 'imagepng' ) && $type[2] == 3 ) { |
| 29 | | $error = __( 'Filetype not supported. Thumbnail not created.' ); |
| 30 | | } else { |
| | 35 | $thumbnail = imagecreatetruecolor( $image_new_width, $image_new_height); |
| | 36 | @ imagecopyresampled( $thumbnail, $image, 0, 0, 0, 0, $image_new_width, $image_new_height, $sourceImageWidth, $sourceImageHeight ); |
| 48 | | // figure out the longest side |
| | 46 | switch( $sourceImageType ){ |
| | 47 | default: // We'll create a Jpeg if we cant use its native file format |
| | 48 | $thumb = preg_replace( '/\\.[^\\.]+$/', '.jpg', $thumb ); //Change file extension to Jpg |
| | 49 | case IMAGETYPE_JPEG: |
| | 50 | if (!imagejpeg( $thumbnail, $thumbpath ) ) |
| | 51 | return __( 'Thumbnail path invalid' ); |
| | 52 | break; |
| | 53 | case IMAGETYPE_GIF: |
| | 54 | if (!imagegif( $thumbnail, $thumbpath ) ) |
| | 55 | return __( 'Thumbnail path invalid' ); |
| | 56 | break; |
| | 57 | case IMAGETYPE_PNG: |
| | 58 | if (!imagepng( $thumbnail, $thumbpath ) ) |
| | 59 | return __( 'Thumbnail path invalid' ); |
| | 60 | break; |
| | 61 | } |
| 50 | | if ( $image_attr[0] > $image_attr[1] ) { |
| 51 | | $image_width = $image_attr[0]; |
| 52 | | $image_height = $image_attr[1]; |
| 53 | | $image_new_width = $max_side; |
| | 63 | imagedestroy( $thumbnail ); // Free up memory |
| | 64 | |
| | 65 | // Set correct file permissions |
| | 66 | $stat = stat( dirname( $thumbpath )); |
| | 67 | $perms = $stat['mode'] & 0000666; //same permissions as parent folder, strip off the executable bits |
| | 68 | @ chmod( $thumbpath, $perms ); |
| 55 | | $image_ratio = $image_width / $image_new_width; |
| 56 | | $image_new_height = $image_height / $image_ratio; |
| 57 | | //width is > height |
| 58 | | } else { |
| 59 | | $image_width = $image_attr[0]; |
| 60 | | $image_height = $image_attr[1]; |
| 61 | | $image_new_height = $max_side; |
| 62 | | |
| 63 | | $image_ratio = $image_height / $image_new_height; |
| 64 | | $image_new_width = $image_width / $image_ratio; |
| 65 | | //height > width |
| 66 | | } |
| 67 | | |
| 68 | | $thumbnail = imagecreatetruecolor( $image_new_width, $image_new_height); |
| 69 | | @ imagecopyresampled( $thumbnail, $image, 0, 0, 0, 0, $image_new_width, $image_new_height, $image_attr[0], $image_attr[1] ); |
| 70 | | |
| 71 | | // If no filters change the filename, we'll do a default transformation. |
| 72 | | if ( basename( $file ) == $thumb = apply_filters( 'thumbnail_filename', basename( $file ) ) ) |
| 73 | | $thumb = preg_replace( '!(\.[^.]+)?$!', '.thumbnail' . '$1', basename( $file ), 1 ); |
| 74 | | |
| 75 | | $thumbpath = str_replace( basename( $file ), $thumb, $file ); |
| 76 | | |
| 77 | | // move the thumbnail to its final destination |
| 78 | | if ( $type[2] == 1 ) { |
| 79 | | if (!imagegif( $thumbnail, $thumbpath ) ) { |
| 80 | | $error = __( "Thumbnail path invalid" ); |
| 81 | | } |
| 82 | | } |
| 83 | | elseif ( $type[2] == 2 ) { |
| 84 | | if (!imagejpeg( $thumbnail, $thumbpath ) ) { |
| 85 | | $error = __( "Thumbnail path invalid" ); |
| 86 | | } |
| 87 | | } |
| 88 | | elseif ( $type[2] == 3 ) { |
| 89 | | if (!imagepng( $thumbnail, $thumbpath ) ) { |
| 90 | | $error = __( "Thumbnail path invalid" ); |
| 91 | | } |
| 92 | | } |
| 93 | | |
| 94 | | } |
| 95 | | } else { |
| 96 | | $error = __( 'File not found' ); |
| 97 | | } |
| 98 | | |
| 99 | | if (!empty ( $error ) ) { |
| 100 | | return $error; |
| 101 | | } else { |
| 102 | | return apply_filters( 'wp_create_thumbnail', $thumbpath ); |
| 103 | | } |
| | 70 | return apply_filters( 'wp_create_thumbnail', $thumbpath ); |
| | 73 | /** |
| | 74 | * wp_crop_image() - Crop an Image to a given size. |
| | 75 | * |
| | 76 | * @package WordPress |
| | 77 | * @internal Missing Long Description |
| | 78 | * @param int $src_file The source file |
| | 79 | * @param int $src_x The start x position to crop from |
| | 80 | * @param int $src_y The start y position to crop from |
| | 81 | * @param int $src_w The width to crop |
| | 82 | * @param int $src_h The height to crop |
| | 83 | * @param int $dst_w The destination width |
| | 84 | * @param int $dst_h The destination height |
| | 85 | * @param int $src_abs If the source crop points are absolute |
| | 86 | * @param int $dst_file The destination file to write to |
| | 87 | * @return string New filepath on success, String error message on failure |
| | 88 | * |
| | 89 | */ |
| 143 | | $imagesize = getimagesize($file); |
| 144 | | $metadata['width'] = $imagesize['0']; |
| 145 | | $metadata['height'] = $imagesize['1']; |
| 146 | | list($uwidth, $uheight) = get_udims($metadata['width'], $metadata['height']); |
| | 139 | $imagesize = getimagesize( $file ); |
| | 140 | $metadata['width'] = $imagesize[0]; |
| | 141 | $metadata['height'] = $imagesize[1]; |
| | 142 | list($uwidth, $uheight) = wp_shrink_dimensions($metadata['width'], $metadata['height']); |
| | 186 | /** |
| | 187 | * get_udims() - Calculated the new dimentions for downsampled images |
| | 188 | * |
| | 189 | * @package WordPress |
| | 190 | * @internal Missing Description |
| | 191 | * @see wp_shrink_dimensions() |
| | 192 | * @param int $width Current width of the image |
| | 193 | * @param int $height Current height of the image |
| | 194 | * @return mixed Array(height,width) of shrunk dimensions. |
| | 195 | * |
| | 196 | */ |
| | 197 | function get_udims( $width, $height) { |
| | 198 | return wp_shrink_dimensions( $width, $height ); |
| | 199 | } |
| | 200 | /** |
| | 201 | * wp_shrink_dimensions() - Calculates the new dimentions for a downsampled image. |
| | 202 | * |
| | 203 | * @package WordPress |
| | 204 | * @internal Missing Long Description |
| | 205 | * @param int $width Current width of the image |
| | 206 | * @param int $height Current height of the image |
| | 207 | * @param int $wmax Maximum wanted width |
| | 208 | * @param int $hmax Maximum wanted height |
| | 209 | * @return mixed Array(height,width) of shrunk dimensions. |
| | 210 | * |
| | 211 | */ |