--- /dev/null
+/*---------------------------------------------------------------------------
+
+ rpng2 - progressive-model PNG display program readpng2.h
+
+ ---------------------------------------------------------------------------
+
+ Copyright (c) 1998-2008 Greg Roelofs. All rights reserved.
+
+ This software is provided "as is," without warranty of any kind,
+ express or implied. In no event shall the author or contributors
+ be held liable for any damages arising in any way from the use of
+ this software.
+
+ The contents of this file are DUAL-LICENSED. You may modify and/or
+ redistribute this software according to the terms of one of the
+ following two licenses (at your option):
+
+
+ LICENSE 1 ("BSD-like with advertising clause"):
+
+ Permission is granted to anyone to use this software for any purpose,
+ including commercial applications, and to alter it and redistribute
+ it freely, subject to the following restrictions:
+
+ 1. Redistributions of source code must retain the above copyright
+ notice, disclaimer, and this list of conditions.
+ 2. Redistributions in binary form must reproduce the above copyright
+ notice, disclaimer, and this list of conditions in the documenta-
+ tion and/or other materials provided with the distribution.
+ 3. All advertising materials mentioning features or use of this
+ software must display the following acknowledgment:
+
+ This product includes software developed by Greg Roelofs
+ and contributors for the book, "PNG: The Definitive Guide,"
+ published by O'Reilly and Associates.
+
+
+ LICENSE 2 (GNU GPL v2 or later):
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+ ---------------------------------------------------------------------------*/
+
+#ifndef TRUE
+# define TRUE 1
+# define FALSE 0
+#endif
+
+#ifndef MAX
+# define MAX(a,b) ((a) > (b)? (a) : (b))
+# define MIN(a,b) ((a) < (b)? (a) : (b))
+#endif
+
+#ifdef DEBUG
+# define Trace(x) {fprintf x ; fflush(stderr); fflush(stdout);}
+#else
+# define Trace(x) ;
+#endif
+
+enum rpng2_states {
+ kPreInit = 0,
+ kWindowInit,
+ kDone
+};
+
+typedef unsigned char uch;
+typedef unsigned short ush;
+typedef unsigned long ulg;
+
+typedef struct _mainprog_info {
+ double display_exponent;
+ ulg width;
+ ulg height;
+ void *png_ptr;
+ void *info_ptr;
+ void (*mainprog_init)(void);
+ void (*mainprog_display_row)(ulg row_num);
+ void (*mainprog_finish_display)(void);
+ uch *image_data;
+ uch **row_pointers;
+ jmp_buf jmpbuf;
+ int passes; /* not used */
+ int pass;
+ int rowbytes;
+ int channels;
+ int need_bgcolor;
+ int state;
+ uch bg_red;
+ uch bg_green;
+ uch bg_blue;
+} mainprog_info;
+
+
+/* prototypes for public functions in readpng2.c */
+
+void readpng2_version_info(void);
+
+int readpng2_check_sig(uch *sig, int num);
+
+int readpng2_init(mainprog_info *mainprog_ptr);
+
+int readpng2_decode_data(mainprog_info *mainprog_ptr, uch *rawbuf, ulg length);
+
+void readpng2_cleanup(mainprog_info *mainprog_ptr);
OSDN Git Service
