u

jtlsrv-cpp/.static-build/include/vips/object.h

@@ -0,0 +1,720 @@
+/* abstract base class for all vips objects
+ */
+
+/*
+
+	Copyright (C) 1991-2003 The National Gallery
+
+	This library is free software; you can redistribute it and/or
+	modify it under the terms of the GNU Lesser General Public
+	License as published by the Free Software Foundation; either
+	version 2.1 of the License, or (at your option) any later version.
+
+	This library is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+	Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public
+	License along with this library; if not, write to the Free Software
+	Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+	02110-1301  USA
+
+ */
+
+/*
+
+	These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
+
+ */
+
+#ifndef VIPS_OBJECT_H
+#define VIPS_OBJECT_H
+
+#include <glib.h>
+#include <glib-object.h>
+#include <vips/buf.h>
+#include <vips/basic.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /*__cplusplus*/
+
+/* Handy!
+ */
+#ifdef VIPS_DEBUG
+#define VIPS_UNREF(X) \
+	G_STMT_START \
+	{ \
+		if (X) { \
+			g_assert(G_OBJECT(X)->ref_count > 0); \
+			g_object_unref(X); \
+			(X) = 0; \
+		} \
+	} \
+	G_STMT_END
+#else /*!VIPS_DEBUG*/
+#define VIPS_UNREF(X) VIPS_FREEF(g_object_unref, (X))
+#endif /*VIPS_DEBUG*/
+
+typedef struct _VipsObject VipsObject;
+typedef struct _VipsObjectClass VipsObjectClass;
+
+/* Track extra stuff for arguments to objects
+ */
+
+typedef enum /*< flags >*/ {
+	VIPS_ARGUMENT_NONE = 0,
+	VIPS_ARGUMENT_REQUIRED = 1,
+	VIPS_ARGUMENT_CONSTRUCT = 2,
+	VIPS_ARGUMENT_SET_ONCE = 4,
+	VIPS_ARGUMENT_SET_ALWAYS = 8,
+	VIPS_ARGUMENT_INPUT = 16,
+	VIPS_ARGUMENT_OUTPUT = 32,
+	VIPS_ARGUMENT_DEPRECATED = 64,
+	VIPS_ARGUMENT_MODIFY = 128,
+	VIPS_ARGUMENT_NON_HASHABLE = 256
+} VipsArgumentFlags;
+
+/* Useful flag combinations. User-visible ones are:
+ *
+ * VIPS_ARGUMENT_REQUIRED_INPUT 	Eg. the "left" argument for an add operation
+ *
+ * VIPS_ARGUMENT_OPTIONAL_INPUT 	Eg. the "caption" for an object
+ *
+ * VIPS_ARGUMENT_REQUIRED_OUTPUT  	Eg. the "result" of an add operation
+ *
+ * VIPS_ARGUMENT_OPTIONAL_OUTPUT  	Eg. the x pos of the image minimum
+ *
+ * Other combinations are used internally, eg. supplying the cast-table for an
+ * arithmetic operation
+ */
+
+#define VIPS_ARGUMENT_REQUIRED_INPUT \
+	(VIPS_ARGUMENT_INPUT | \
+		VIPS_ARGUMENT_REQUIRED | \
+		VIPS_ARGUMENT_CONSTRUCT)
+
+#define VIPS_ARGUMENT_OPTIONAL_INPUT \
+	(VIPS_ARGUMENT_INPUT | \
+		VIPS_ARGUMENT_CONSTRUCT)
+
+#define VIPS_ARGUMENT_REQUIRED_OUTPUT \
+	(VIPS_ARGUMENT_OUTPUT | \
+		VIPS_ARGUMENT_REQUIRED | \
+		VIPS_ARGUMENT_CONSTRUCT)
+
+#define VIPS_ARGUMENT_OPTIONAL_OUTPUT \
+	(VIPS_ARGUMENT_OUTPUT | \
+		VIPS_ARGUMENT_CONSTRUCT)
+
+#define VIPS_ARG_IMAGE(CLASS, NAME, PRIORITY, LONG, DESC, FLAGS, OFFSET) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_object((NAME), (LONG), (DESC), \
+			VIPS_TYPE_IMAGE, \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_OBJECT(CLASS, NAME, PRIORITY, LONG, DESC, FLAGS, OFFSET, TYPE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_object((NAME), (LONG), (DESC), \
+			TYPE, \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_INTERPOLATE(CLASS, NAME, PRIORITY, LONG, DESC, FLAGS, OFFSET) \
+	VIPS_ARG_OBJECT(CLASS, NAME, PRIORITY, LONG, DESC, FLAGS, OFFSET, VIPS_TYPE_INTERPOLATE)
+
+#define VIPS_ARG_BOOL(CLASS, NAME, PRIORITY, LONG, DESC, \
+	FLAGS, OFFSET, VALUE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_boolean((NAME), (LONG), (DESC), \
+			(VALUE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_DOUBLE(CLASS, NAME, PRIORITY, LONG, DESC, \
+	FLAGS, OFFSET, MIN, MAX, VALUE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_double((NAME), (LONG), (DESC), \
+			(MIN), (MAX), (VALUE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_BOXED(CLASS, NAME, PRIORITY, LONG, DESC, \
+	FLAGS, OFFSET, TYPE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_boxed((NAME), (LONG), (DESC), \
+			(TYPE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_INT(CLASS, NAME, PRIORITY, LONG, DESC, \
+	FLAGS, OFFSET, MIN, MAX, VALUE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_int((NAME), (LONG), (DESC), \
+			(MIN), (MAX), (VALUE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_UINT64(CLASS, NAME, PRIORITY, LONG, DESC, \
+	FLAGS, OFFSET, MIN, MAX, VALUE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_uint64((NAME), (LONG), (DESC), \
+			(MIN), (MAX), (VALUE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_ENUM(CLASS, NAME, PRIORITY, LONG, DESC, \
+	FLAGS, OFFSET, TYPE, VALUE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_enum((NAME), (LONG), (DESC), \
+			(TYPE), (VALUE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_FLAGS(CLASS, NAME, PRIORITY, LONG, DESC, \
+	FLAGS, OFFSET, TYPE, VALUE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_flags((NAME), (LONG), (DESC), \
+			(TYPE), (VALUE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_STRING(CLASS, NAME, PRIORITY, LONG, DESC, FLAGS, OFFSET, \
+	VALUE) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_string((NAME), (LONG), (DESC), \
+			(VALUE), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+#define VIPS_ARG_POINTER(CLASS, NAME, PRIORITY, LONG, DESC, FLAGS, OFFSET) \
+	{ \
+		GParamSpec *pspec; \
+\
+		pspec = g_param_spec_pointer((NAME), (LONG), (DESC), \
+			(GParamFlags) (G_PARAM_READWRITE)); \
+		g_object_class_install_property(G_OBJECT_CLASS(CLASS), \
+			vips_argument_get_id(), pspec); \
+		vips_object_class_install_argument(VIPS_OBJECT_CLASS(CLASS), \
+			pspec, (VipsArgumentFlags) (FLAGS), (PRIORITY), (OFFSET)); \
+	}
+
+/* Keep one of these for every argument.
+ */
+typedef struct _VipsArgument {
+	GParamSpec *pspec; /* pspec for this argument */
+
+	/* More stuff, see below */
+} VipsArgument;
+
+/* Keep one of these in the class struct for every argument.
+ */
+typedef struct _VipsArgumentClass {
+	VipsArgument parent;
+
+	/* The class of the object we are an arg for.
+	 */
+	VipsObjectClass *object_class;
+
+	VipsArgumentFlags flags;
+	int priority; /* Order args by this */
+	guint offset; /* G_STRUCT_OFFSET of member in object */
+} VipsArgumentClass;
+
+/* Keep one of these in the object struct for every argument instance.
+ */
+typedef struct _VipsArgumentInstance {
+	VipsArgument parent;
+
+	/* The class we are part of.
+	 */
+	VipsArgumentClass *argument_class;
+
+	/* The object we are attached to.
+	 */
+	VipsObject *object;
+
+	/* Has been set.
+	 */
+	gboolean assigned;
+
+	/* If this is an output argument, keep the id of our "close" handler
+	 * here.
+	 */
+	gulong close_id;
+
+	/* We need to listen for "invalidate" on input images and send our own
+	 * "invalidate" out. If we go, we need to disconnect.
+	 */
+	gulong invalidate_id;
+} VipsArgumentInstance;
+
+/* Need to look up our VipsArgument structs from a pspec. Just hash the
+ * pointer (ie. we assume pspecs are never shared, is this correct?)
+ */
+typedef GHashTable VipsArgumentTable;
+
+VIPS_API
+int vips_argument_get_id(void);
+void vips__object_set_member(VipsObject *object, GParamSpec *pspec,
+	GObject **member, GObject *argument);
+typedef void *(*VipsArgumentMapFn)(VipsObject *object, GParamSpec *pspec,
+	VipsArgumentClass *argument_class,
+	VipsArgumentInstance *argument_instance, void *a, void *b);
+VIPS_API
+void *vips_argument_map(VipsObject *object,
+	VipsArgumentMapFn fn, void *a, void *b);
+VIPS_API
+int vips_object_get_args(VipsObject *object,
+	const char ***names, int **flags, int *n_args);
+typedef void *(*VipsArgumentClassMapFn)(VipsObjectClass *object_class,
+	GParamSpec *pspec,
+	VipsArgumentClass *argument_class, void *a, void *b);
+VIPS_API
+void *vips_argument_class_map(VipsObjectClass *object_class,
+	VipsArgumentClassMapFn fn, void *a, void *b);
+VIPS_API
+gboolean vips_argument_class_needsstring(VipsArgumentClass *argument_class);
+VIPS_API
+int vips_object_get_argument(VipsObject *object, const char *name,
+	GParamSpec **pspec,
+	VipsArgumentClass **argument_class,
+	VipsArgumentInstance **argument_instance);
+VIPS_API
+gboolean vips_object_argument_isset(VipsObject *object, const char *name);
+VIPS_API
+VipsArgumentFlags vips_object_get_argument_flags(VipsObject *object,
+	const char *name);
+VIPS_API
+int vips_object_get_argument_priority(VipsObject *object, const char *name);
+
+/* We have to loop over an objects args in several places, and we can't always
+ * use vips_argument_map(), the preferred looper. Have the loop code as a
+ * macro as well for these odd cases.
+ */
+#define VIPS_ARGUMENT_FOR_ALL(OBJECT, PSPEC, ARG_CLASS, ARG_INSTANCE) \
+	{ \
+		VipsObjectClass *object_class = VIPS_OBJECT_GET_CLASS(OBJECT); \
+		GSList *p; \
+\
+		for (p = object_class->argument_table_traverse; p; p = p->next) { \
+			VipsArgumentClass *ARG_CLASS = \
+				(VipsArgumentClass *) p->data; \
+			VipsArgument *argument = (VipsArgument *) argument_class; \
+			GParamSpec *PSPEC = argument->pspec; \
+			VipsArgumentInstance *ARG_INSTANCE G_GNUC_UNUSED = \
+				vips__argument_get_instance(argument_class, \
+					VIPS_OBJECT(OBJECT));
+
+#define VIPS_ARGUMENT_FOR_ALL_END \
+	} \
+	}
+
+/* And some macros to collect args from a va list.
+ *
+ * Use something like this:
+ *
+ *    GParamSpec *pspec;
+ *    VipsArgumentClass *argument_class;
+ *    VipsArgumentInstance *argument_instance;
+ *
+ *    if (vips_object_get_argument(VIPS_OBJECT(operation), name,
+ * 		   &pspec, &argument_class, &argument_instance))
+ * 	   return -1;
+ *
+ *    VIPS_ARGUMENT_COLLECT_SET(pspec, argument_class, ap);
+ *
+ * 	   GValue value holds the value of an input argument, do
+ * 	   something with it
+ *
+ *    VIPS_ARGUMENT_COLLECT_GET(pspec, argument_class, ap);
+ *
+ * 	   void **arg points to where to write an output argument
+ *
+ *    VIPS_ARGUMENT_COLLECT_END
+ */
+#define VIPS_ARGUMENT_COLLECT_SET(PSPEC, ARG_CLASS, AP) \
+	if ((ARG_CLASS->flags & VIPS_ARGUMENT_INPUT)) { \
+		GValue value = G_VALUE_INIT; \
+		gchar *error = NULL; \
+\
+		/* Input args are given inline, eg. ("factor", 12.0) \
+		 * and must be collected. \
+		 */ \
+		G_VALUE_COLLECT_INIT(&value, \
+			G_PARAM_SPEC_VALUE_TYPE(PSPEC), AP, 0, &error); \
+\
+		/* Don't bother with the error message. \
+		 */ \
+		if (error) { \
+			VIPS_DEBUG_MSG("VIPS_OBJECT_COLLECT_SET: err\n"); \
+			g_free(error); \
+		}
+
+#define VIPS_ARGUMENT_COLLECT_GET(PSPEC, ARG_CLASS, AP) \
+	g_value_unset(&value); \
+	} \
+	else if ((ARG_CLASS->flags & VIPS_ARGUMENT_OUTPUT)) \
+	{ \
+		void **arg G_GNUC_UNUSED; \
+\
+		/* Output args are a pointer to where to send the \
+		 * result. \
+		 */ \
+		arg = va_arg(AP, void **);
+
+#define VIPS_ARGUMENT_COLLECT_END \
+	}
+
+#define VIPS_TYPE_OBJECT (vips_object_get_type())
+#define VIPS_OBJECT(obj) \
+	(G_TYPE_CHECK_INSTANCE_CAST((obj), VIPS_TYPE_OBJECT, VipsObject))
+#define VIPS_OBJECT_CLASS(klass) \
+	(G_TYPE_CHECK_CLASS_CAST((klass), VIPS_TYPE_OBJECT, VipsObjectClass))
+#define VIPS_IS_OBJECT(obj) \
+	(G_TYPE_CHECK_INSTANCE_TYPE((obj), VIPS_TYPE_OBJECT))
+#define VIPS_IS_OBJECT_CLASS(klass) \
+	(G_TYPE_CHECK_CLASS_TYPE((klass), VIPS_TYPE_OBJECT))
+#define VIPS_OBJECT_GET_CLASS(obj) \
+	(G_TYPE_INSTANCE_GET_CLASS((obj), VIPS_TYPE_OBJECT, VipsObjectClass))
+
+struct _VipsObject {
+	GObject parent_instance;
+
+	/* Set after ->build() has run successfully: construct is fully done
+	 * and checked.
+	 */
+	gboolean constructed;
+
+	/* Set for static objects which are allocated at startup and never
+	 * freed. These objects are omitted from leak reports.
+	 */
+	gboolean static_object;
+
+	/* Table of argument instances for this class and any derived classes.
+	 */
+	VipsArgumentTable *argument_table;
+
+	/* Class properties (see below), duplicated in the instance so we can
+	 * get at them easily via the property system.
+	 */
+	char *nickname;
+	char *description;
+
+	/* The pre/post/close callbacks are all fire-once.
+	 */
+	gboolean preclose;
+	gboolean close;
+	gboolean postclose;
+
+	/* Total memory allocated relative to this object, handy for
+	 * profiling.
+	 */
+	size_t local_memory;
+};
+
+struct _VipsObjectClass {
+	GObjectClass parent_class;
+
+	/* Build the object ... all argument properties have been set,
+	 * now build the thing.
+	 */
+	int (*build)(VipsObject *object);
+
+	/* Just after build ... the object is fully ready for work.
+	 */
+	int (*postbuild)(VipsObject *object, void *data);
+
+	/* Try to print something about the class, handy for help displays.
+	 * Keep to one line.
+	 */
+	void (*summary_class)(struct _VipsObjectClass *cls, VipsBuf *buf);
+
+	/* Try to print a one-line summary for the object, the user can see
+	 * this output via things like "header fred.tif", --vips-cache-trace,
+	 * etc.
+	 */
+	void (*summary)(VipsObject *object, VipsBuf *buf);
+
+	/* Try to print everything about the object, handy for debugging.
+	 */
+	void (*dump)(VipsObject *object, VipsBuf *buf);
+
+	/* Sanity-check the object. Print messages and stuff.
+	 * Handy for debugging.
+	 */
+	void (*sanity)(VipsObject *object, VipsBuf *buf);
+
+	/* Rewind. Save and restore any stuff that needs to survive a
+	 * dispose().
+	 */
+	void (*rewind)(VipsObject *object);
+
+	/* Just before close, everything is still alive.
+	 */
+	void (*preclose)(VipsObject *object);
+
+	/* Close, time to free stuff.
+	 */
+	void (*close)(VipsObject *object);
+
+	/* Post-close, everything is dead, except the VipsObject pointer.
+	 * Useful for eg. deleting the file associated with a temp image.
+	 */
+	void (*postclose)(VipsObject *object);
+
+	/* The CLI interface. Implement these four to get CLI input and output
+	 * for your object.
+	 */
+
+	/* Given a command-line arg (eg. a filename), make an instance of the
+	 * object. Just do the g_object_new(), don't call _build().
+	 *
+	 * Don't call this directly, see vips_object_new_from_string().
+	 */
+	VipsObject *(*new_from_string)(const char *string);
+
+	/* The inverse of ^^. Given an object, output what ->new_from_string()
+	 * would have been given to make that object.
+	 */
+	void (*to_string)(VipsObject *object, VipsBuf *buf);
+
+	/* Does this output arg need an arg from the command line? Image
+	 * output, for example, needs a filename to write to.
+	 */
+	gboolean output_needs_arg;
+
+	/* Write the object to the string. Return 0 for success, or -1 on
+	 * error, setting vips_error(). string is NULL if output_needs_arg()
+	 * was FALSE.
+	 */
+	int (*output_to_arg)(VipsObject *object, const char *string);
+
+	/* Class nickname, eg. "VipsInterpolateBicubic" has "bicubic" as a
+	 * nickname. Not internationalised.
+	 */
+	const char *nickname;
+
+	/* Class description. Used for help messages, so internationalised.
+	 */
+	const char *description;
+
+	/* Hash from pspec to VipsArgumentClass.
+	 *
+	 * This records the VipsArgumentClass for every pspec used in
+	 * VipsObject and any subclass (ie. everywhere), so it's huge. Don't
+	 * loop over this hash! Fine for lookups though.
+	 */
+	VipsArgumentTable *argument_table;
+
+	/* A sorted (by priority) list of the VipsArgumentClass for this class
+	 * and any superclasses. This is small and specific to this class.
+	 *
+	 * Use the stored GType to work out when to restart the list for a
+	 * subclass.
+	 */
+	GSList *argument_table_traverse;
+	GType argument_table_traverse_gtype;
+
+	/* This class is deprecated and therefore hidden from various UI bits.
+	 *
+	 * VipsOperation has a deprecated flag, use that in preference to this
+	 * if you can.
+	 */
+	gboolean deprecated;
+
+	/* Reserved for future expansion.
+	 */
+	void (*_vips_reserved1)(void);
+	void (*_vips_reserved2)(void);
+	void (*_vips_reserved3)(void);
+	void (*_vips_reserved4)(void);
+};
+
+VIPS_API
+gboolean vips_value_is_null(GParamSpec *psoec, const GValue *value);
+VIPS_API
+void vips_object_set_property(GObject *gobject,
+	guint property_id, const GValue *value, GParamSpec *pspec);
+VIPS_API
+void vips_object_get_property(GObject *gobject,
+	guint property_id, GValue *value, GParamSpec *pspec);
+
+VIPS_API
+void vips_object_preclose(VipsObject *object);
+VIPS_API
+int vips_object_build(VipsObject *object);
+
+VIPS_API
+void vips_object_summary_class(VipsObjectClass *klass, VipsBuf *buf);
+VIPS_API
+void vips_object_summary(VipsObject *object, VipsBuf *buf);
+VIPS_API
+void vips_object_dump(VipsObject *object, VipsBuf *buf);
+
+VIPS_API
+void vips_object_print_summary_class(VipsObjectClass *klass);
+VIPS_API
+void vips_object_print_summary(VipsObject *object);
+VIPS_API
+void vips_object_print_dump(VipsObject *object);
+VIPS_API
+void vips_object_print_name(VipsObject *object);
+
+VIPS_API
+gboolean vips_object_sanity(VipsObject *object);
+
+/* Don't put spaces around void here, it breaks gtk-doc.
+ */
+VIPS_API
+GType vips_object_get_type(void);
+
+VIPS_API
+void vips_object_class_install_argument(VipsObjectClass *cls,
+	GParamSpec *pspec, VipsArgumentFlags flags,
+	int priority, guint offset);
+VIPS_API
+int vips_object_set_argument_from_string(VipsObject *object,
+	const char *name, const char *value);
+VIPS_API
+gboolean vips_object_argument_needsstring(VipsObject *object,
+	const char *name);
+VIPS_API
+int vips_object_get_argument_to_string(VipsObject *object,
+	const char *name, const char *arg);
+VIPS_API
+int vips_object_set_required(VipsObject *object, const char *value);
+
+typedef void *(*VipsObjectSetArguments)(VipsObject *object, void *a, void *b);
+VIPS_API
+VipsObject *vips_object_new(GType type,
+	VipsObjectSetArguments set, void *a, void *b);
+
+VIPS_API
+int vips_object_set_valist(VipsObject *object, va_list ap);
+VIPS_API
+int vips_object_set(VipsObject *object, ...)
+	G_GNUC_NULL_TERMINATED;
+VIPS_API
+int vips_object_set_from_string(VipsObject *object, const char *string);
+
+VIPS_API
+VipsObject *vips_object_new_from_string(VipsObjectClass *object_class,
+	const char *p);
+VIPS_API
+void vips_object_to_string(VipsObject *object, VipsBuf *buf);
+
+VIPS_API
+void *vips_object_map(VipsSListMap2Fn fn, void *a, void *b);
+
+typedef void *(*VipsTypeMapFn)(GType type, void *a);
+typedef void *(*VipsTypeMap2Fn)(GType type, void *a, void *b);
+typedef void *(*VipsClassMapFn)(VipsObjectClass *cls, void *a);
+VIPS_API
+void *vips_type_map(GType base, VipsTypeMap2Fn fn, void *a, void *b);
+VIPS_API
+void *vips_type_map_all(GType base, VipsTypeMapFn fn, void *a);
+VIPS_API
+int vips_type_depth(GType type);
+VIPS_API
+GType vips_type_find(const char *basename, const char *nickname);
+VIPS_API
+const char *vips_nickname_find(GType type);
+
+VIPS_API
+void *vips_class_map_all(GType type, VipsClassMapFn fn, void *a);
+VIPS_API
+const VipsObjectClass *vips_class_find(const char *basename,
+	const char *nickname);
+
+VIPS_API
+VipsObject **vips_object_local_array(VipsObject *parent, int n);
+
+VIPS_API
+void vips_object_local_cb(VipsObject *vobject, GObject *gobject);
+#define vips_object_local(V, G) \
+	(g_signal_connect(V, "close", G_CALLBACK(vips_object_local_cb), G))
+
+VIPS_API
+void vips_object_set_static(VipsObject *object, gboolean static_object);
+VIPS_API
+void vips_object_print_all(void);
+VIPS_API
+void vips_object_sanity_all(void);
+
+VIPS_API
+void vips_object_rewind(VipsObject *object);
+
+VIPS_API
+void vips_object_unref_outputs(VipsObject *object);
+
+VIPS_API
+const char *vips_object_get_description(VipsObject *object);
+
+#ifdef __cplusplus
+}
+#endif /*__cplusplus*/
+
+#endif /*VIPS_OBJECT_H*/