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add vipssave_target()

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This commit is contained in:
John Cupitt 2021-01-02 15:49:32 +00:00
parent a12be84098
commit df3b80fa40
9 changed files with 207 additions and 33 deletions
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1
=
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@ -1 +0,0 @@
libheif 1.3 found

1
libvips/Makefile.am
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@ -119,4 +119,5 @@ typelibdir = $(libdir)/girepository-1.0
typelib_DATA = $(INTROSPECTION_GIRS:.gir=.typelib)
CLEANFILES += $(gir_DATA) $(typelib_DATA)
endif

31
libvips/foreign/foreign.c
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@ -1806,19 +1806,26 @@ vips_foreign_find_save_sub( VipsForeignSaveClass *save_class,
VipsObjectClass *object_class = VIPS_OBJECT_CLASS( save_class );
VipsForeignClass *class = VIPS_FOREIGN_CLASS( save_class );
/* All concrete savers needs suffs, since we use the suff to pick the
const char **p;
/* All savers needs suffs defined since we use the suff to pick the
* saver.
*/
if( !G_TYPE_IS_ABSTRACT( G_TYPE_FROM_CLASS( class ) ) &&
!class->suffs )
if( !class->suffs )
g_warning( "no suffix defined for %s", object_class->nickname );
if( !G_TYPE_IS_ABSTRACT( G_TYPE_FROM_CLASS( class ) ) &&
class->suffs &&
!vips_ispostfix( object_class->nickname, "_buffer" ) &&
!vips_ispostfix( object_class->nickname, "_target" ) &&
vips_filename_suffix_match( filename, class->suffs ) )
return( save_class );
/* Skip non-file savers.
*/
if( vips_ispostfix( object_class->nickname, "_buffer" ) ||
vips_ispostfix( object_class->nickname, "_target" ) )
return( NULL );
/* vips_foreign_find_save() has already removed any options from the
* end of the filename, so we can test directly against the suffix.
*/
for( p = class->suffs; *p; p++ )
if( vips_iscasepostfix( filename, *p ) )
return( save_class );
return( NULL );
}
@ -2119,7 +2126,8 @@ vips_foreign_operation_init( void )
extern GType vips_foreign_load_vips_file_get_type( void );
extern GType vips_foreign_load_vips_source_get_type( void );
extern GType vips_foreign_save_vips_get_type( void );
extern GType vips_foreign_save_vips_file_get_type( void );
extern GType vips_foreign_save_vips_target_get_type( void );
extern GType vips_foreign_load_jpeg_file_get_type( void );
extern GType vips_foreign_load_jpeg_buffer_get_type( void );
@ -2192,7 +2200,8 @@ vips_foreign_operation_init( void )
vips_foreign_save_raw_fd_get_type();
vips_foreign_load_vips_file_get_type();
vips_foreign_load_vips_source_get_type();
vips_foreign_save_vips_get_type();
vips_foreign_save_vips_file_get_type();
vips_foreign_save_vips_target_get_type();
#ifdef HAVE_ANALYZE
vips_foreign_load_analyze_get_type();

4
libvips/foreign/vipsload.c
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@ -121,12 +121,16 @@ vips_foreign_load_vips_header( VipsForeignLoad *load )
return( -1 );
}
else {
VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( load );
/* We could add load vips from memory, fd, via mmap etc. here.
* We should perhaps move iofuncs/vips.c into this file.
*
* For now, just fail unless there's a filename associated
* with this source.
*/
vips_error( class->nickname,
"%s", _( "no filename associated with source" ) );
return( -1 );
}

191
libvips/foreign/vipssave.c
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@ -51,34 +51,70 @@
typedef struct _VipsForeignSaveVips {
VipsForeignSave parent_object;
char *filename;
VipsTarget *target;
} VipsForeignSaveVips;
typedef VipsForeignSaveClass VipsForeignSaveVipsClass;
G_DEFINE_TYPE( VipsForeignSaveVips, vips_foreign_save_vips,
G_DEFINE_ABSTRACT_TYPE( VipsForeignSaveVips, vips_foreign_save_vips,
VIPS_TYPE_FOREIGN_SAVE );
static void
vips_foreign_save_vips_dispose( GObject *gobject )
{
VipsForeignSaveVips *vips = (VipsForeignSaveVips *) gobject;
if( vips->target )
vips_target_finish( vips->target );
VIPS_UNREF( vips->target );
G_OBJECT_CLASS( vips_foreign_save_vips_parent_class )->
dispose( gobject );
}
static int
vips_foreign_save_vips_build( VipsObject *object )
{
VipsForeignSave *save = (VipsForeignSave *) object;
VipsForeignSaveVips *vips = (VipsForeignSaveVips *) object;
VipsImage *x;
const char *filename;
if( VIPS_OBJECT_CLASS( vips_foreign_save_vips_parent_class )->
build( object ) )
return( -1 );
if( !(x = vips_image_new_mode( vips->filename, "w" )) )
return( -1 );
if( vips_image_write( save->ready, x ) ) {
if( (filename =
vips_connection_filename( VIPS_CONNECTION( vips->target ) )) ) {
VipsForeignSave *save = (VipsForeignSave *) object;
VipsImage *x;
/* vips_image_build() has some magic for "w"
* preventing recursion and sending this directly to the
* saver built into iofuncs.
*/
if( !(x = vips_image_new_mode( filename, "w" )) )
return( -1 );
if( vips_image_write( save->ready, x ) ) {
g_object_unref( x );
return( -1 );
}
g_object_unref( x );
return( -1 );
}
g_object_unref( x );
else {
VipsObjectClass *class = VIPS_OBJECT_GET_CLASS( object );
/* We could add load vips from memory, fd, via mmap etc. here.
* We should perhaps move iofuncs/vips.c into this file.
*
* For now, just fail unless there's a filename associated
* with this source.
*/
vips_error( class->nickname,
"%s", _( "no filename associated with target" ) );
return( -1 );
}
return( 0 );
}
@ -97,11 +133,10 @@ vips_foreign_save_vips_class_init( VipsForeignSaveVipsClass *class )
VipsForeignClass *foreign_class = (VipsForeignClass *) class;
VipsForeignSaveClass *save_class = (VipsForeignSaveClass *) class;
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
gobject_class->dispose = vips_foreign_save_vips_dispose;
object_class->nickname = "vipssave";
object_class->description = _( "save image to vips file" );
object_class->nickname = "vipssave_base";
object_class->description = _( "save vips base class" );
object_class->build = vips_foreign_save_vips_build;
foreign_class->suffs = vips__suffs;
@ -109,17 +144,121 @@ vips_foreign_save_vips_class_init( VipsForeignSaveVipsClass *class )
save_class->saveable = VIPS_SAVEABLE_ANY;
for( i = 0; i < VIPS_CODING_LAST; i++ )
save_class->coding[i] = TRUE;
}
static void
vips_foreign_save_vips_init( VipsForeignSaveVips *vips )
{
}
typedef struct _VipsForeignSaveVipsFile {
VipsForeignSave parent_object;
char *filename;
} VipsForeignSaveVipsFile;
typedef VipsForeignSaveVipsClass VipsForeignSaveVipsFileClass;
G_DEFINE_TYPE( VipsForeignSaveVipsFile, vips_foreign_save_vips_file,
vips_foreign_save_vips_get_type() );
static int
vips_foreign_save_vips_file_build( VipsObject *object )
{
VipsForeignSaveVips *vips = (VipsForeignSaveVips *) object;
VipsForeignSaveVipsFile *file = (VipsForeignSaveVipsFile *) object;
if( !(vips->target = vips_target_new_to_file( file->filename )) )
return( -1 );
if( VIPS_OBJECT_CLASS( vips_foreign_save_vips_file_parent_class )->
build( object ) )
return( -1 );
return( 0 );
}
static void
vips_foreign_save_vips_file_class_init( VipsForeignSaveVipsFileClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *object_class = (VipsObjectClass *) class;
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
object_class->nickname = "vipssave";
object_class->description = _( "save image to file in vips format" );
object_class->build = vips_foreign_save_vips_file_build;
VIPS_ARG_STRING( class, "filename", 1,
_( "Filename" ),
_( "Filename to save to" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsForeignSaveVips, filename ),
G_STRUCT_OFFSET( VipsForeignSaveVipsFile, filename ),
NULL );
}
static void
vips_foreign_save_vips_init( VipsForeignSaveVips *vips )
vips_foreign_save_vips_file_init( VipsForeignSaveVipsFile *file )
{
}
typedef struct _VipsForeignSaveVipsTarget {
VipsForeignSave parent_object;
VipsTarget *target;
} VipsForeignSaveVipsTarget;
typedef VipsForeignSaveVipsClass VipsForeignSaveVipsTargetClass;
G_DEFINE_TYPE( VipsForeignSaveVipsTarget, vips_foreign_save_vips_target,
vips_foreign_save_vips_get_type() );
static int
vips_foreign_save_vips_target_build( VipsObject *object )
{
VipsForeignSaveVips *vips = (VipsForeignSaveVips *) object;
VipsForeignSaveVipsTarget *target =
(VipsForeignSaveVipsTarget *) object;
vips->target = target->target;
g_object_ref( vips->target );
if( VIPS_OBJECT_CLASS( vips_foreign_save_vips_target_parent_class )->
build( object ) )
return( -1 );
return( 0 );
}
static void
vips_foreign_save_vips_target_class_init(
VipsForeignSaveVipsTargetClass *class )
{
GObjectClass *gobject_class = G_OBJECT_CLASS( class );
VipsObjectClass *object_class = (VipsObjectClass *) class;
gobject_class->set_property = vips_object_set_property;
gobject_class->get_property = vips_object_get_property;
object_class->nickname = "vipssave_target";
object_class->description = _( "save image to target in vips format" );
object_class->build = vips_foreign_save_vips_target_build;
VIPS_ARG_OBJECT( class, "target", 1,
_( "Target" ),
_( "Target to save to" ),
VIPS_ARGUMENT_REQUIRED_INPUT,
G_STRUCT_OFFSET( VipsForeignSaveVipsTarget, target ),
VIPS_TYPE_TARGET );
}
static void
vips_foreign_save_vips_target_init( VipsForeignSaveVipsTarget *target )
{
}
@ -148,3 +287,25 @@ vips_vipssave( VipsImage *in, const char *filename, ... )
return( result );
}
/**
* vips_vipssave_target: (method)
* @in: image to save
* @target: save image to this target
* @...: %NULL-terminated list of optional named arguments
*
* As vips_vipssave(), but save to a target.
*
* Returns: 0 on success, -1 on error.
*/
int
vips_vipssave_target( VipsImage *in, VipsTarget *target, ... )
{
va_list ap;
int result;
va_start( ap, target );
result = vips_call_split( "vipssave_target", ap, in, target );
va_end( ap );
return( result );
}

2
libvips/include/vips/foreign.h
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@ -362,6 +362,8 @@ int vips_vipsload_source( VipsSource *source, VipsImage **out, ... )
__attribute__((sentinel));
int vips_vipssave( VipsImage *in, const char *filename, ... )
__attribute__((sentinel));
int vips_vipssave_target( VipsImage *in, VipsTarget *target, ... )
__attribute__((sentinel));
int vips_openslideload( const char *filename, VipsImage **out, ... )
__attribute__((sentinel));

4
libvips/iofuncs/image.c
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@ -921,7 +921,7 @@ vips_image_build( VipsObject *object )
/* Make sure the vips saver is there ... strange things will
* happen if this type is renamed or removed.
*/
g_assert( g_type_from_name( "VipsForeignSaveVips" ) );
g_assert( g_type_from_name( "VipsForeignSaveVipsFile" ) );
if( !(file_op = vips_foreign_find_save( filename )) )
return( -1 );
@ -930,7 +930,7 @@ vips_image_build( VipsObject *object )
* Otherwise save with VipsForeign when the image has been
* written to.
*/
if( strcmp( file_op, "VipsForeignSaveVips" ) == 0 )
if( strcmp( file_op, "VipsForeignSaveVipsFile" ) == 0 )
image->dtype = VIPS_IMAGE_OPENOUT;
else {
image->dtype = VIPS_IMAGE_PARTIAL;

2
libvips/iofuncs/util.c
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@ -1522,7 +1522,7 @@ vips__find_rightmost_brackets( const char *p )
/* Too many tokens?
*/
if( n == MAX_TOKENS )
if( n >= MAX_TOKENS )
return( NULL );
/* No rightmost close bracket?

4
libvips/resample/thumbnail.c
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@ -122,9 +122,7 @@ typedef struct _VipsThumbnail {
int n_loaded_pages; /* Pages we've loaded from file */
int n_subifds; /* Number of subifds */
/* For openslide, we need to read out the size of each level too.
*
* These are filled out for pyr tiffs as well.
/* For pyramidal formats, we need to read out the size of each level.
*/
int level_count;
int level_width[MAX_LEVELS];