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diff mupdf-source/source/fitz/bitmap.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
parents
children
line wrap: on
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/source/fitz/bitmap.c	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,558 @@
+// Copyright (C) 2004-2023 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF 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 Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+#include "mupdf/fitz.h"
+
+#include <string.h>
+
+static const unsigned char pkm[256*8] =
+{
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0xFF,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00,
+	0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
+};
+
+fz_bitmap *
+fz_new_bitmap(fz_context *ctx, int w, int h, int n, int xres, int yres)
+{
+	fz_bitmap *bit;
+
+	/* Stride is 32 bit aligned. We may want to make this 64 bit if we use SSE2 etc. */
+	int stride = ((n * w + 31) & ~31) >> 3;
+	if (h < 0 || ((size_t)h > (size_t)(SIZE_MAX / stride)))
+		fz_throw(ctx, FZ_ERROR_LIMIT, "bitmap too large");
+
+	bit = fz_malloc_struct(ctx, fz_bitmap);
+	fz_try(ctx)
+	{
+		bit->refs = 1;
+		bit->w = w;
+		bit->h = h;
+		bit->n = n;
+		bit->xres = xres;
+		bit->yres = yres;
+		bit->stride = stride;
+		bit->samples = Memento_label(fz_malloc(ctx, (size_t)h * bit->stride), "bitmap_samples");
+	}
+	fz_catch(ctx)
+	{
+		fz_free(ctx, bit);
+		fz_rethrow(ctx);
+	}
+
+	return bit;
+}
+
+fz_bitmap *
+fz_keep_bitmap(fz_context *ctx, fz_bitmap *bit)
+{
+	return fz_keep_imp(ctx, bit, &bit->refs);
+}
+
+void
+fz_drop_bitmap(fz_context *ctx, fz_bitmap *bit)
+{
+	if (fz_drop_imp(ctx, bit, &bit->refs))
+	{
+		fz_free(ctx, bit->samples);
+		fz_free(ctx, bit);
+	}
+}
+
+void
+fz_clear_bitmap(fz_context *ctx, fz_bitmap *bit)
+{
+	memset(bit->samples, 0, (size_t)bit->stride * bit->h);
+}
+
+static void
+pbm_write_header(fz_context *ctx, fz_band_writer *writer, fz_colorspace *cs)
+{
+	fz_output *out = writer->out;
+	int w = writer->w;
+	int h = writer->h;
+
+	if (writer->s != 0)
+		fz_throw(ctx, FZ_ERROR_ARGUMENT, "pbms cannot contain spot colors");
+	if (writer->n != 1)
+		fz_throw(ctx, FZ_ERROR_ARGUMENT, "too many color components in bitmap");
+
+	fz_write_printf(ctx, out, "P4\n%d %d\n", w, h);
+}
+
+static void
+pkm_write_header(fz_context *ctx, fz_band_writer *writer, fz_colorspace *cs)
+{
+	fz_output *out = writer->out;
+	int w = writer->w;
+	int h = writer->h;
+
+	if (writer->s != 0)
+		fz_throw(ctx, FZ_ERROR_ARGUMENT, "pkms cannot contain spot colors");
+	if (writer->n != 4)
+		fz_throw(ctx, FZ_ERROR_ARGUMENT, "wrong number of color components in bitmap");
+
+	fz_write_printf(ctx, out, "P7\nWIDTH %d\nHEIGHT %d\nDEPTH 4\nMAXVAL 255\nTUPLTYPE CMYK\nENDHDR\n", w, h);
+}
+
+void
+fz_write_bitmap_as_pbm(fz_context *ctx, fz_output *out, fz_bitmap *bitmap)
+{
+	fz_band_writer *writer;
+
+	if (bitmap->n != 1)
+		fz_throw(ctx, FZ_ERROR_ARGUMENT, "bitmap must be monochrome to save as PBM");
+
+	writer = fz_new_pbm_band_writer(ctx, out);
+	fz_try(ctx)
+	{
+		fz_write_header(ctx, writer, bitmap->w, bitmap->h, 1, 0, 0, 0, 0, NULL, NULL);
+		fz_write_band(ctx, writer, bitmap->stride, bitmap->h, bitmap->samples);
+		fz_close_band_writer(ctx, writer);
+	}
+	fz_always(ctx)
+		fz_drop_band_writer(ctx, writer);
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+}
+
+void
+fz_write_bitmap_as_pkm(fz_context *ctx, fz_output *out, fz_bitmap *bitmap)
+{
+	fz_band_writer *writer;
+
+	if (bitmap->n != 4)
+		fz_throw(ctx, FZ_ERROR_ARGUMENT, "bitmap must be CMYK to save as PKM");
+
+	writer = fz_new_pkm_band_writer(ctx, out);
+	fz_try(ctx)
+	{
+		fz_write_header(ctx, writer, bitmap->w, bitmap->h, 4, 0, 0, 0, 0, NULL, NULL);
+		fz_write_band(ctx, writer, bitmap->stride, bitmap->h, bitmap->samples);
+		fz_close_band_writer(ctx, writer);
+	}
+	fz_always(ctx)
+		fz_drop_band_writer(ctx, writer);
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+}
+
+static void
+pbm_write_band(fz_context *ctx, fz_band_writer *writer, int stride, int band_start, int band_height, const unsigned char *p)
+{
+	fz_output *out = writer->out;
+	int w = writer->w;
+	int h = writer->h;
+	int bytestride;
+	int end = band_start + band_height;
+
+	if (end > h)
+		end = h;
+	end -= band_start;
+
+	bytestride = (w + 7) >> 3;
+	while (end--)
+	{
+		fz_write_data(ctx, out, p, bytestride);
+		p += stride;
+	}
+}
+
+static void
+pkm_write_band(fz_context *ctx, fz_band_writer *writer, int stride, int band_start, int band_height, const unsigned char *p)
+{
+	fz_output *out = writer->out;
+	int w = writer->w;
+	int h = writer->h;
+	int bytestride;
+	int end = band_start + band_height;
+
+
+	if (end > h)
+		end = h;
+	end -= band_start;
+
+	bytestride = stride - (w>>1);
+	while (end--)
+	{
+		int ww = w-1;
+		while (ww > 0)
+		{
+			fz_write_data(ctx, out, &pkm[8 * *p++], 8);
+			ww -= 2;
+		}
+		if (ww == 0)
+			fz_write_data(ctx, out, &pkm[8 * *p], 4);
+		p += bytestride;
+	}
+}
+
+fz_band_writer *fz_new_pbm_band_writer(fz_context *ctx, fz_output *out)
+{
+	fz_band_writer *writer = fz_new_band_writer(ctx, fz_band_writer, out);
+
+	writer->header = pbm_write_header;
+	writer->band = pbm_write_band;
+
+	return writer;
+}
+
+fz_band_writer *fz_new_pkm_band_writer(fz_context *ctx, fz_output *out)
+{
+	fz_band_writer *writer = fz_new_band_writer(ctx, fz_band_writer, out);
+
+	writer->header = pkm_write_header;
+	writer->band = pkm_write_band;
+
+	return writer;
+}
+
+void
+fz_save_bitmap_as_pbm(fz_context *ctx, fz_bitmap *bitmap, const char *filename)
+{
+	fz_output *out = fz_new_output_with_path(ctx, filename, 0);
+	fz_try(ctx)
+	{
+		fz_write_bitmap_as_pbm(ctx, out, bitmap);
+		fz_close_output(ctx, out);
+	}
+	fz_always(ctx)
+		fz_drop_output(ctx, out);
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+}
+
+void
+fz_save_bitmap_as_pkm(fz_context *ctx, fz_bitmap *bitmap, const char *filename)
+{
+	fz_output *out = fz_new_output_with_path(ctx, filename, 0);
+	fz_try(ctx)
+	{
+		fz_write_bitmap_as_pkm(ctx, out, bitmap);
+		fz_close_output(ctx, out);
+	}
+	fz_always(ctx)
+		fz_drop_output(ctx, out);
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+}
+
+void
+fz_save_pixmap_as_pbm(fz_context *ctx, fz_pixmap *pixmap, const char *filename)
+{
+	fz_bitmap *bitmap = fz_new_bitmap_from_pixmap(ctx, pixmap, NULL);
+	fz_try(ctx)
+		fz_save_bitmap_as_pbm(ctx, bitmap, filename);
+	fz_always(ctx)
+		fz_drop_bitmap(ctx, bitmap);
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+}
+
+void
+fz_save_pixmap_as_pkm(fz_context *ctx, fz_pixmap *pixmap, const char *filename)
+{
+	fz_bitmap *bitmap = fz_new_bitmap_from_pixmap(ctx, pixmap, NULL);
+	fz_try(ctx)
+		fz_save_bitmap_as_pkm(ctx, bitmap, filename);
+	fz_always(ctx)
+		fz_drop_bitmap(ctx, bitmap);
+	fz_catch(ctx)
+		fz_rethrow(ctx);
+}
+
+void fz_bitmap_details(fz_bitmap *bit, int *w, int *h, int *n, int *stride)
+{
+	if (!bit)
+	{
+		if (w)
+			*w = 0;
+		if (h)
+			*h = 0;
+		if (n)
+			*n = 0;
+		if (stride)
+			*stride = 0;
+		return;
+	}
+	if (w)
+		*w = bit->w;
+	if (h)
+		*h = bit->h;
+	if (n)
+		*n = bit->n;
+	if (stride)
+		*stride = bit->stride;
+}