WIP - add extractor, generate snippet_data

node_modules/sharp/vendor/include/vips/operation.h

@@ -0,0 +1,142 @@
+/* base class for all vips operations
+ */
+
+/*
+
+    Copyright (C) 1991-2005 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_OPERATION_H
+#define VIPS_OPERATION_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /*__cplusplus*/
+
+typedef enum /*< flags >*/ {
+	VIPS_OPERATION_NONE = 0,
+	VIPS_OPERATION_SEQUENTIAL = 1,
+	VIPS_OPERATION_SEQUENTIAL_UNBUFFERED = 2,
+	VIPS_OPERATION_NOCACHE = 4,
+	VIPS_OPERATION_DEPRECATED = 8
+} VipsOperationFlags;
+
+#define VIPS_TYPE_OPERATION (vips_operation_get_type())
+#define VIPS_OPERATION( obj ) \
+	(G_TYPE_CHECK_INSTANCE_CAST( (obj), \
+		VIPS_TYPE_OPERATION, VipsOperation ))
+#define VIPS_OPERATION_CLASS( klass ) \
+	(G_TYPE_CHECK_CLASS_CAST( (klass), \
+		VIPS_TYPE_OPERATION, VipsOperationClass ))
+#define VIPS_IS_OPERATION( obj ) \
+	(G_TYPE_CHECK_INSTANCE_TYPE( (obj), VIPS_TYPE_OPERATION ))
+#define VIPS_IS_OPERATION_CLASS( klass ) \
+	(G_TYPE_CHECK_CLASS_TYPE( (klass), VIPS_TYPE_OPERATION ))
+#define VIPS_OPERATION_GET_CLASS( obj ) \
+	(G_TYPE_INSTANCE_GET_CLASS( (obj), \
+		VIPS_TYPE_OPERATION, VipsOperationClass ))
+
+typedef gboolean (*VipsOperationBuildFn)( VipsObject *object );
+
+typedef struct _VipsOperation {
+	VipsObject parent_instance;
+
+	/* Keep the hash here.
+	 */
+	guint hash;
+	gboolean found_hash;
+
+	/* Pixels calculated ... handy for measuring over-calculation.
+	 */
+	int pixels;
+
+} VipsOperation;
+
+typedef struct _VipsOperationClass {
+	VipsObjectClass parent_class;
+
+	/* Print the usage message.
+	 */
+	void (*usage)( struct _VipsOperationClass *cls, VipsBuf *buf );
+
+	/* Return a set of operation flags. 
+	 */
+	VipsOperationFlags (*get_flags)( VipsOperation *operation ); 
+	VipsOperationFlags flags;
+
+	/* One of our input images has signalled "invalidate". The cache uses
+	 * VipsOperation::invalidate to drop dirty ops.
+	 */
+	void (*invalidate)( VipsOperation *operation );
+} VipsOperationClass;
+
+/* Don't put spaces around void here, it breaks gtk-doc.
+ */
+GType vips_operation_get_type(void);
+
+VipsOperationFlags vips_operation_get_flags( VipsOperation *operation );
+void vips_operation_class_print_usage( VipsOperationClass *operation_class );
+void vips_operation_invalidate( VipsOperation *operation );
+
+int vips_operation_call_valist( VipsOperation *operation, va_list ap );
+VipsOperation *vips_operation_new( const char *name ); 
+int vips_call_required_optional( VipsOperation **operation,
+	va_list required, va_list optional );
+int vips_call( const char *operation_name, ... )
+	__attribute__((sentinel));
+int vips_call_split( const char *operation_name, va_list optional, ... );
+int vips_call_split_option_string( const char *operation_name, 
+	const char *option_string, va_list optional, ... );
+
+void vips_call_options( GOptionGroup *group, VipsOperation *operation );
+int vips_call_argv( VipsOperation *operation, int argc, char **argv );
+
+void vips_cache_drop_all( void );
+VipsOperation *vips_cache_operation_lookup( VipsOperation *operation );
+void vips_cache_operation_add( VipsOperation *operation );
+int vips_cache_operation_buildp( VipsOperation **operation );
+VipsOperation *vips_cache_operation_build( VipsOperation *operation );
+void vips_cache_print( void );
+void vips_cache_set_max( int max );
+void vips_cache_set_max_mem( size_t max_mem );
+int vips_cache_get_max( void );
+int vips_cache_get_size( void );
+size_t vips_cache_get_max_mem( void );
+int vips_cache_get_max_files( void );
+void vips_cache_set_max_files( int max_files );
+void vips_cache_set_dump( gboolean dump );
+void vips_cache_set_trace( gboolean trace );
+
+/* Part of threadpool, really, but we want these in a header that gets scanned
+ * for our typelib.
+ */
+void vips_concurrency_set( int concurrency );
+int vips_concurrency_get( void );
+
+#ifdef __cplusplus
+}
+#endif /*__cplusplus*/
+
+#endif /*VIPS_OPERATION_H*/