Actually add src/cairo-output-stream-private.h.

1 files changed, 156 insertions, 0 deletions

diff --git a/src/cairo-output-stream-private.h b/src/cairo-output-stream-private.h
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+++ b/src/cairo-output-stream-private.h
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+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2006 Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is cairo_output_stream.c as distributed with the
+ *   cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Red Hat, Inc.
+ *
+ * Author(s):
+ *	Kristian Høgsberg <krh@redhat.com>
+ */
+
+#ifndef CAIRO_OUTPUT_STREAM_PRIVATE_H
+#define CAIRO_OUTPUT_STREAM_PRIVATE_H
+
+typedef struct _cairo_output_stream cairo_output_stream_t;
+
+typedef cairo_status_t (*cairo_output_stream_write_func_t) (cairo_output_stream_t *output_stream,
+							    const unsigned char   *data,
+							    unsigned int           length);
+
+typedef cairo_status_t (*cairo_output_stream_close_func_t) (cairo_output_stream_t *output_stream);
+
+struct _cairo_output_stream {
+    cairo_output_stream_write_func_t write_func;
+    cairo_output_stream_close_func_t close_func;
+    unsigned long		     position;
+    cairo_status_t		     status;
+    cairo_bool_t		     closed;
+};
+
+extern const cairo_private cairo_output_stream_t cairo_output_stream_nil;
+
+cairo_private void
+_cairo_output_stream_init (cairo_output_stream_t            *stream,
+			   cairo_output_stream_write_func_t  write_func,
+			   cairo_output_stream_close_func_t  close_func);
+
+cairo_private void
+_cairo_output_stream_fini (cairo_output_stream_t *stream);
+
+
+/* We already have the following declared in cairo.h:
+
+typedef cairo_status_t (*cairo_write_func_t) (void		  *closure,
+					      const unsigned char *data,
+					      unsigned int	   length);
+*/
+typedef cairo_status_t (*cairo_close_func_t) (void *closure);
+
+
+/* This function never returns NULL. If an error occurs (NO_MEMORY)
+ * while trying to create the output stream this function returns a
+ * valid pointer to a nil output stream.
+ *
+ * Note that even with a nil surface, the close_func callback will be
+ * called by a call to _cairo_output_stream_close or
+ * _cairo_output_stream_destroy.
+ */
+cairo_private cairo_output_stream_t *
+_cairo_output_stream_create (cairo_write_func_t		write_func,
+			     cairo_close_func_t		close_func,
+			     void			*closure);
+
+cairo_private void
+_cairo_output_stream_close (cairo_output_stream_t *stream);
+
+cairo_private void
+_cairo_output_stream_destroy (cairo_output_stream_t *stream);
+
+cairo_private void
+_cairo_output_stream_write (cairo_output_stream_t *stream,
+			    const void *data, size_t length);
+
+cairo_private void
+_cairo_output_stream_write_hex_string (cairo_output_stream_t *stream,
+				       const char *data,
+				       size_t length);
+
+cairo_private int
+_cairo_dtostr (char *buffer, size_t size, double d);
+
+cairo_private void
+_cairo_output_stream_vprintf (cairo_output_stream_t *stream,
+			      const char *fmt, va_list ap);
+
+cairo_private void
+_cairo_output_stream_printf (cairo_output_stream_t *stream,
+			     const char *fmt, ...);
+
+cairo_private long
+_cairo_output_stream_get_position (cairo_output_stream_t *stream);
+
+cairo_private cairo_status_t
+_cairo_output_stream_get_status (cairo_output_stream_t *stream);
+
+/* This function never returns NULL. If an error occurs (NO_MEMORY or
+ * WRITE_ERROR) while trying to create the output stream this function
+ * returns a valid pointer to a nil output stream.
+ *
+ * NOTE: Even if a nil surface is returned, the caller should still
+ * call _cairo_output_stream_destroy (or _cairo_output_stream_close at
+ * least) in order to ensure that everything is properly cleaned up.
+ */
+cairo_private cairo_output_stream_t *
+_cairo_output_stream_create_for_filename (const char *filename);
+
+/* This function never returns NULL. If an error occurs (NO_MEMORY or
+ * WRITE_ERROR) while trying to create the output stream this function
+ * returns a valid pointer to a nil output stream.
+ *
+ * The caller still "owns" file and is responsible for calling fclose
+ * on it when finished. The stream will not do this itself.
+ */
+cairo_private cairo_output_stream_t *
+_cairo_output_stream_create_for_file (FILE *file);
+
+cairo_private cairo_output_stream_t *
+_cairo_memory_stream_create (void);
+
+cairo_private void
+_cairo_memory_stream_copy (cairo_output_stream_t *base,
+			   cairo_output_stream_t *dest);
+
+cairo_private int
+_cairo_memory_stream_length (cairo_output_stream_t *stream);
+
+/* cairo_base85_stream.c */
+cairo_private cairo_output_stream_t *
+_cairo_base85_stream_create (cairo_output_stream_t *output);
+
+#endif /* CAIRO_OUTPUT_STREAM_PRIVATE_H */