else
$sizes[$s]['height'] = get_option( "{$s}_size_h" ); // For default sizes set in options
if ( isset( $_wp_additional_image_sizes[$s]['crop'] ) )
- $sizes[$s]['crop'] = intval( $_wp_additional_image_sizes[$s]['crop'] ); // For theme-added sizes
+ $sizes[$s]['crop'] = $_wp_additional_image_sizes[$s]['crop']; // For theme-added sizes
else
$sizes[$s]['crop'] = get_option( "{$s}_crop" ); // For default sizes set in options
}
+ /**
+ * Filter the image sizes automatically generated when uploading an image.
+ *
+ * @since 2.9.0
+ *
+ * @param array $sizes An associative array of image sizes.
+ */
$sizes = apply_filters( 'intermediate_image_sizes_advanced', $sizes );
if ( $sizes ) {
} elseif ( preg_match( '#^video/#', get_post_mime_type( $attachment ) ) ) {
$metadata = wp_read_video_metadata( $file );
- $support = current_theme_supports( 'post-thumbnails', 'attachment:video' ) && post_type_supports( 'attachment:video', 'thumbnail' );
+ $support = current_theme_supports( 'post-thumbnails', 'attachment:video' ) || post_type_supports( 'attachment:video', 'thumbnail' );
} elseif ( preg_match( '#^audio/#', get_post_mime_type( $attachment ) ) ) {
$metadata = wp_read_audio_metadata( $file );
- $support = current_theme_supports( 'post-thumbnails', 'attachment:audio' ) && post_type_supports( 'attachment:audio', 'thumbnail' );
+ $support = current_theme_supports( 'post-thumbnails', 'attachment:audio' ) || post_type_supports( 'attachment:audio', 'thumbnail' );
}
if ( $support && ! empty( $metadata['image']['data'] ) ) {
- $ext = '.jpg';
- switch ( $metadata['image']['mime'] ) {
- case 'image/gif':
- $ext = '.gif';
- break;
- case 'image/png':
- $ext = '.png';
- break;
- }
- $basename = str_replace( '.', '-', basename( $file ) ) . '-image' . $ext;
- $uploaded = wp_upload_bits( $basename, '', $metadata['image']['data'] );
- if ( false === $uploaded['error'] ) {
- $attachment = array(
- 'post_mime_type' => $metadata['image']['mime'],
- 'post_type' => 'attachment',
- 'post_content' => '',
- );
- $sub_attachment_id = wp_insert_attachment( $attachment, $uploaded['file'] );
- $attach_data = wp_generate_attachment_metadata( $sub_attachment_id, $uploaded['file'] );
- wp_update_attachment_metadata( $sub_attachment_id, $attach_data );
- update_post_meta( $attachment_id, '_thumbnail_id', $sub_attachment_id );
+ // check for existing cover
+ $hash = md5( $metadata['image']['data'] );
+ $posts = get_posts( array(
+ 'fields' => 'ids',
+ 'post_type' => 'attachment',
+ 'post_mime_type' => $metadata['image']['mime'],
+ 'post_status' => 'inherit',
+ 'posts_per_page' => 1,
+ 'meta_key' => '_cover_hash',
+ 'meta_value' => $hash
+ ) );
+ $exists = reset( $posts );
+
+ if ( ! empty( $exists ) ) {
+ update_post_meta( $attachment_id, '_thumbnail_id', $exists );
+ } else {
+ $ext = '.jpg';
+ switch ( $metadata['image']['mime'] ) {
+ case 'image/gif':
+ $ext = '.gif';
+ break;
+ case 'image/png':
+ $ext = '.png';
+ break;
+ }
+ $basename = str_replace( '.', '-', basename( $file ) ) . '-image' . $ext;
+ $uploaded = wp_upload_bits( $basename, '', $metadata['image']['data'] );
+ if ( false === $uploaded['error'] ) {
+ $image_attachment = array(
+ 'post_mime_type' => $metadata['image']['mime'],
+ 'post_type' => 'attachment',
+ 'post_content' => '',
+ );
+ /**
+ * Filter the parameters for the attachment thumbnail creation.
+ *
+ * @since 3.9.0
+ *
+ * @param array $image_attachment An array of parameters to create the thumbnail.
+ * @param array $metadata Current attachment metadata.
+ * @param array $uploaded An array containing the thumbnail path and url.
+ */
+ $image_attachment = apply_filters( 'attachment_thumbnail_args', $image_attachment, $metadata, $uploaded );
+
+ $sub_attachment_id = wp_insert_attachment( $image_attachment, $uploaded['file'] );
+ add_post_meta( $sub_attachment_id, '_cover_hash', $hash );
+ $attach_data = wp_generate_attachment_metadata( $sub_attachment_id, $uploaded['file'] );
+ wp_update_attachment_metadata( $sub_attachment_id, $attach_data );
+ update_post_meta( $attachment_id, '_thumbnail_id', $sub_attachment_id );
+ }
}
}
if ( isset( $metadata['image']['data'] ) )
unset( $metadata['image']['data'] );
+ /**
+ * Filter the generated attachment meta data.
+ *
+ * @since 2.1.0
+ *
+ * @param array $metadata An array of attachment meta data.
+ * @param int $attachment_id Current attachment ID.
+ */
return apply_filters( 'wp_generate_attachment_metadata', $metadata, $attachment_id );
}
}
}
- // fetch additional info from exif if available
+ /**
+ * Filter the image types to check for exif data.
+ *
+ * @since 2.5.0
+ *
+ * @param array $image_types Image types to check for exif data.
+ */
if ( is_callable( 'exif_read_data' ) && in_array( $sourceImageType, apply_filters( 'wp_read_image_metadata_types', array( IMAGETYPE_JPEG, IMAGETYPE_TIFF_II, IMAGETYPE_TIFF_MM ) ) ) ) {
$exif = @exif_read_data( $file );
$meta[ $key ] = utf8_encode( $meta[ $key ] );
}
+ /**
+ * Filter the array of meta data read from an image's exif data.
+ *
+ * @since 2.5.0
+ *
+ * @param array $meta Image meta data.
+ * @param string $file Path to image file.
+ * @param int $sourceImageType Type of image.
+ */
return apply_filters( 'wp_read_image_metadata', $meta, $file, $sourceImageType );
}
* Validate that file is suitable for displaying within a web page.
*
* @since 2.5.0
- * @uses apply_filters() Calls 'file_is_displayable_image' on $result and $path.
*
* @param string $path File path to test.
* @return bool True if suitable, false if not suitable.
else
$result = true;
- return apply_filters('file_is_displayable_image', $result, $path);
+ /**
+ * Filter whether the current image is displayable in the browser.
+ *
+ * @since 2.5.0
+ *
+ * @param bool $result Whether the image can be displayed. Default true.
+ * @param string $path Path to the image.
+ */
+ return apply_filters( 'file_is_displayable_image', $result, $path );
}
/**
break;
}
if ( is_resource($image) ) {
- $image = apply_filters('load_image_to_edit', $image, $attachment_id, $size);
+ /**
+ * Filter the current image being loaded for editing.
+ *
+ * @since 2.9.0
+ *
+ * @param resource $image Current image.
+ * @param string $attachment_id Attachment ID.
+ * @param string $size Image size.
+ */
+ $image = apply_filters( 'load_image_to_edit', $image, $attachment_id, $size );
if ( function_exists('imagealphablending') && function_exists('imagesavealpha') ) {
imagealphablending($image, false);
imagesavealpha($image, true);
if ( $filepath && file_exists( $filepath ) ) {
if ( 'full' != $size && ( $data = image_get_intermediate_size( $attachment_id, $size ) ) ) {
+ /**
+ * Filter the path to the current image.
+ *
+ * The filter is evaluated for all image sizes except 'full'.
+ *
+ * @since 3.1.0
+ *
+ * @param string $path Path to the current image.
+ * @param string $attachment_id Attachment ID.
+ * @param string $size Size of the image.
+ */
$filepath = apply_filters( 'load_image_to_edit_filesystempath', path_join( dirname( $filepath ), $data['file'] ), $attachment_id, $size );
}
} elseif ( function_exists( 'fopen' ) && function_exists( 'ini_get' ) && true == ini_get( 'allow_url_fopen' ) ) {
+ /**
+ * Filter the image URL if not in the local filesystem.
+ *
+ * The filter is only evaluated if fopen is enabled on the server.
+ *
+ * @since 3.1.0
+ *
+ * @param string $image_url Current image URL.
+ * @param string $attachment_id Attachment ID.
+ * @param string $size Size of the image.
+ */
$filepath = apply_filters( 'load_image_to_edit_attachmenturl', wp_get_attachment_url( $attachment_id ), $attachment_id, $size );
}
+ /**
+ * Filter the returned path or URL of the current image.
+ *
+ * @since 2.9.0
+ *
+ * @param string|bool $filepath File path or URL to current image, or false.
+ * @param string $attachment_id Attachment ID.
+ * @param string $size Size of the image.
+ */
return apply_filters( 'load_image_to_edit_path', $filepath, $attachment_id, $size );
}
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