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reenable webp shrink-on-load in thumbnail 

the breakage is in animated webp load with preshrink rather than
thumbnail
This commit is contained in:
John Cupitt 2019-04-29 17:30:34 +01:00
parent ea9e477ad3
commit 7326a409c6
1 changed files with 7 additions and 15 deletions
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22
libvips/resample/thumbnail.c
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@ -197,7 +197,7 @@ vips_thumbnail_read_header( VipsThumbnail *thumbnail, VipsImage *image )
* ourselves from page_height.
*
* vips_image_get_page_height() verifies that Ysize is a simple
* multiple pof page_height.
* multiple of page_height.
*/
thumbnail->n_pages = thumbnail->input_height / thumbnail->page_height;
@ -509,24 +509,14 @@ vips_thumbnail_open( VipsThumbnail *thumbnail )
factor = 0.0;
}
/* Webp supports shrink-on-load, but unfortunately the filter is just
* too odd.
*
* Perhaps reenable this if webp improves.
*
* vips_thumbnail_file_open() and vips_thumbnail_buffer_open() would
* need additional cases as well.
*
else if( vips_isprefix( "VipsForeignLoadWebp", thumbnail->loader ) ) {
factor = VIPS_MAX( 1.0,
factor = (int) VIPS_MAX( 1.0,
vips_thumbnail_calculate_common_shrink( thumbnail,
thumbnail->input_width,
thumbnail->input_height ) );
thumbnail->page_height ) );
g_info( "loading webp with factor %g pre-shrink", factor );
}
*/
if( !(im = class->open( thumbnail, factor )) )
return( NULL );
@ -946,7 +936,8 @@ vips_thumbnail_file_open( VipsThumbnail *thumbnail, double factor )
{
VipsThumbnailFile *file = (VipsThumbnailFile *) thumbnail;
if( vips_isprefix( "VipsForeignLoadJpeg", thumbnail->loader ) ) {
if( vips_isprefix( "VipsForeignLoadJpeg", thumbnail->loader ) ||
vips_isprefix( "VipsForeignLoadWebp", thumbnail->loader ) ) {
return( vips_image_new_from_file( file->filename,
"access", VIPS_ACCESS_SEQUENTIAL,
"shrink", (int) factor,
@ -1137,7 +1128,8 @@ vips_thumbnail_buffer_open( VipsThumbnail *thumbnail, double factor )
{
VipsThumbnailBuffer *buffer = (VipsThumbnailBuffer *) thumbnail;
if( vips_isprefix( "VipsForeignLoadJpeg", thumbnail->loader ) ) {
if( vips_isprefix( "VipsForeignLoadJpeg", thumbnail->loader ) ||
vips_isprefix( "VipsForeignLoadWebp", thumbnail->loader ) ) {
return( vips_image_new_from_buffer(
buffer->buf->data, buffer->buf->length,
buffer->option_string,