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Don't convert png to jpg when cropping a header. Prevents stomping transparency. Props SergeyBiryukov, kovshenin. fixes #20555 

git-svn-id: https://develop.svn.wordpress.org/trunk@20706 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Ryan Boren 2012-05-02 21:35:56 +00:00
parent 19842a6b22
commit 71150d164a
2 changed files with 17 additions and 3 deletions
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5
wp-admin/custom-header.php
View File

@ -858,12 +858,15 @@ wp_nonce_field( 'custom-header-options', '_wpnonce-custom-header-options' ); ?>
$parent_url = $parent->guid;
$url = str_replace(basename($parent_url), basename($cropped), $parent_url);
$size = @getimagesize( $cropped );
$image_type = ( $size ) ? $size['mime'] : 'image/jpeg';
// Construct the object array
$object = array(
'ID' => $attachment_id,
'post_title' => basename($cropped),
'post_content' => $url,
'post_mime_type' => 'image/jpeg',
'post_mime_type' => $image_type,
'guid' => $url,
'context' => 'custom-header'
);

15
wp-admin/includes/image.php
View File

@ -44,17 +44,25 @@ function wp_create_thumbnail( $file, $max_side, $deprecated = '' ) {
* @return string|WP_Error|false New filepath on success, WP_Error or false on failure.
*/
function wp_crop_image( $src, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs = false, $dst_file = false ) {
if ( 0 == $src_x && 0 == $src_y && $src_w == $dst_w && $src_h == $dst_h )
return ( is_numeric( $src ) ) ? get_attached_file( $src ) : $src;
if ( is_numeric( $src ) ) { // Handle int as attachment ID
$src_file = get_attached_file( $src );
if ( ! file_exists( $src_file ) ) {
// If the file doesn't exist, attempt a url fopen on the src link.
// This can occur with certain file replication plugins.
$post = get_post( $src );
$image_type = $post->post_mime_type;
$src = load_image_to_edit( $src, $post->post_mime_type, 'full' );
} else {
$size = @getimagesize( $src_file );
$image_type = ( $size ) ? $size['mime'] : '';
$src = wp_load_image( $src_file );
}
} else {
$size = @getimagesize( $src );
$image_type = ( $size ) ? $size['mime'] : '';
$src = wp_load_image( $src );
}
@ -78,13 +86,16 @@ function wp_crop_image( $src, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $s
if ( ! $dst_file )
$dst_file = str_replace( basename( $src_file ), 'cropped-' . basename( $src_file ), $src_file );
$dst_file = preg_replace( '/\\.[^\\.]+$/', '.jpg', $dst_file );
if ( 'image/png' != $image_type )
$dst_file = preg_replace( '/\\.[^\\.]+$/', '.jpg', $dst_file );
// The directory containing the original file may no longer exist when
// using a replication plugin.
wp_mkdir_p( dirname( $dst_file ) );
if ( imagejpeg( $dst, $dst_file, apply_filters( 'jpeg_quality', 90, 'wp_crop_image' ) ) )
if ( 'image/png' == $image_type && imagepng( $dst, $dst_file ) )
return $dst_file;
elseif ( imagejpeg( $dst, $dst_file, apply_filters( 'jpeg_quality', 90, 'wp_crop_image' ) ) )
return $dst_file;
else
return false;