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-rw-r--r--Build/source/libs/cairo/cairo-1.14.2/src/cairo-deflate-stream.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/Build/source/libs/cairo/cairo-1.14.2/src/cairo-deflate-stream.c b/Build/source/libs/cairo/cairo-1.14.2/src/cairo-deflate-stream.c
deleted file mode 100644
index ae23bda9472..00000000000
--- a/Build/source/libs/cairo/cairo-1.14.2/src/cairo-deflate-stream.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */
-/* cairo - a vector graphics library with display and print output
- *
- * Copyright © 2006 Adrian Johnson
- *
- * 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, 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 the cairo graphics library.
- *
- * The Initial Developer of the Original Code is Adrian Johnson.
- *
- * Author(s):
- * Adrian Johnson <ajohnson@redneon.com>
- */
-
-#include "cairoint.h"
-
-#if CAIRO_HAS_DEFLATE_STREAM
-
-#include "cairo-error-private.h"
-#include "cairo-output-stream-private.h"
-#include <zlib.h>
-
-#define BUFFER_SIZE 16384
-
-typedef struct _cairo_deflate_stream {
- cairo_output_stream_t base;
- cairo_output_stream_t *output;
- z_stream zlib_stream;
- unsigned char input_buf[BUFFER_SIZE];
- unsigned char output_buf[BUFFER_SIZE];
-} cairo_deflate_stream_t;
-
-static void
-cairo_deflate_stream_deflate (cairo_deflate_stream_t *stream, cairo_bool_t flush)
-{
- int ret;
- cairo_bool_t finished;
-
- do {
- ret = deflate (&stream->zlib_stream, flush ? Z_FINISH : Z_NO_FLUSH);
- if (flush || stream->zlib_stream.avail_out == 0)
- {
- _cairo_output_stream_write (stream->output,
- stream->output_buf,
- BUFFER_SIZE - stream->zlib_stream.avail_out);
- stream->zlib_stream.next_out = stream->output_buf;
- stream->zlib_stream.avail_out = BUFFER_SIZE;
- }
-
- finished = TRUE;
- if (stream->zlib_stream.avail_in != 0)
- finished = FALSE;
- if (flush && ret != Z_STREAM_END)
- finished = FALSE;
-
- } while (!finished);
-
- stream->zlib_stream.next_in = stream->input_buf;
-}
-
-static cairo_status_t
-_cairo_deflate_stream_write (cairo_output_stream_t *base,
- const unsigned char *data,
- unsigned int length)
-{
- cairo_deflate_stream_t *stream = (cairo_deflate_stream_t *) base;
- unsigned int count;
- const unsigned char *p = data;
-
- while (length) {
- count = length;
- if (count > BUFFER_SIZE - stream->zlib_stream.avail_in)
- count = BUFFER_SIZE - stream->zlib_stream.avail_in;
- memcpy (stream->input_buf + stream->zlib_stream.avail_in, p, count);
- p += count;
- stream->zlib_stream.avail_in += count;
- length -= count;
-
- if (stream->zlib_stream.avail_in == BUFFER_SIZE)
- cairo_deflate_stream_deflate (stream, FALSE);
- }
-
- return _cairo_output_stream_get_status (stream->output);
-}
-
-static cairo_status_t
-_cairo_deflate_stream_close (cairo_output_stream_t *base)
-{
- cairo_deflate_stream_t *stream = (cairo_deflate_stream_t *) base;
-
- cairo_deflate_stream_deflate (stream, TRUE);
- deflateEnd (&stream->zlib_stream);
-
- return _cairo_output_stream_get_status (stream->output);
-}
-
-cairo_output_stream_t *
-_cairo_deflate_stream_create (cairo_output_stream_t *output)
-{
- cairo_deflate_stream_t *stream;
-
- if (output->status)
- return _cairo_output_stream_create_in_error (output->status);
-
- stream = malloc (sizeof (cairo_deflate_stream_t));
- if (unlikely (stream == NULL)) {
- _cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
- return (cairo_output_stream_t *) &_cairo_output_stream_nil;
- }
-
- _cairo_output_stream_init (&stream->base,
- _cairo_deflate_stream_write,
- NULL,
- _cairo_deflate_stream_close);
- stream->output = output;
-
- stream->zlib_stream.zalloc = Z_NULL;
- stream->zlib_stream.zfree = Z_NULL;
- stream->zlib_stream.opaque = Z_NULL;
-
- if (deflateInit (&stream->zlib_stream, Z_DEFAULT_COMPRESSION) != Z_OK) {
- free (stream);
- return (cairo_output_stream_t *) &_cairo_output_stream_nil;
- }
-
- stream->zlib_stream.next_in = stream->input_buf;
- stream->zlib_stream.avail_in = 0;
- stream->zlib_stream.next_out = stream->output_buf;
- stream->zlib_stream.avail_out = BUFFER_SIZE;
-
- return &stream->base;
-}
-
-#endif /* CAIRO_HAS_DEFLATE_STREAM */