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+WARNING:
+ The following instructions are outdated.
+ They refer back to 16. Dezember 2002 with zziplib version 0.10.66.
+ Most things refer to MSVC which have a different README
+ (and there are msvc project files being shipped along)
+ The rest is mainly an example program that you can use as a
+ boilerplate in your souce code - may be just copy and use.
+
+---------------------------------------------------------------------
+16122002, Thomas.Eder@nmi.at, Using the zziplib library with SDL
+
+
+PREREQUISITES
+
+ Tested versions:
+ zziplib 0.10.66 (preview), SDL 1.2.5, Win32, MSVC6
+
+ Homepages (download)
+ zziplib.sourceforge.net (zziplib-0.10.66.tar.gz)
+ www.libsdl.org (SDL-devel-1.2.5a-VC6.zip)
+
+ Also you have to get zlib, I used
+ from SDL_image-1.2.2.zip in VisualC.zip:
+ zlib.lib (12.7.1998, 34674 bytes)
+ zlib.h ( 9.7.1998, 41791 bytes, 1.1.3)
+ zconf.h ( 8.7.1998, 8089 bytes)
+
+ from SDL_image-devel-1.2.2-VC6.zip:
+ zlib.dll ( 5.4.2001, 53760 bytes, 1.1.3.1)
+
+ Maybe you should get the latest version (currently 1.1.4) from
+ http://gnuwin32.sourceforge.net/install.html
+ (see notes at end of page!)
+
+
+CREATING zzlib.dll/zzlib.lib
+
+ Copy your versions of zlib.lib, zlib.h and zconf.h to the zzlib
+ directory.
+ In MSVC (start zziplib.dsw)
+ Add zlib.lib to the files for the zziplib_DLL project.
+ Add ZLIB_DLL to the preprocessor definitions.
+
+ Set the active project and the active configuration to create zziplib.dll
+ and zziplib.lib (I created and used the release version).
+
+
+USING zzlib WITH SDL
+
+ Include/add the following files to your SDL-Project
+ (put them in proper directories, etc.):
+
+ Header files:
+ zconf.h
+ zlib.h
+ zzip.h
+ zzip-conf.h
+ zzip-io.h
+ zziplib.h
+ zzip-msvc.h
+ zzip-stdint.h
+
+ Libraries:
+ zlib.lib
+ zziplib.lib
+
+ DLLs:
+ zlib.dll
+ zziplib.dll
+
+ you may also want to use
+ SDL_rwops_zzip.c
+ SDL_rwops_zzip.h
+
+
+ For compiling it should be sufficient to use
+ #include <zziplib.h>
+ in the files where you use zziplib-functions.
+
+
+NOTE
+
+ It is possible to use both original (unzipped) and zipped versions of files,
+ and zziplib will take one of them (depending on the modes when calling
+ zziplib).
+
+ But this didnt work for all of my original files, so I suggest using zipped
+ files only (and remove the original unzipped files, so zziplib doesnt try to
+ open the original version).
+
+
+HINT
+
+ When opening many files from a zip, its faster to open the zip-directory
+ only once, and not for every file access. You may want to modify
+ SDL_rwops_zzip for this to get code like:
+
+
+ SDL_Surface* image;
+ SDL_RWops* rw;
+ SDL_Surface* temp1 = NULL; //default > NULL > error
+ SDL_Surface* temp2 = NULL; //default > NULL > error
+
+ //last param may be used for err return
+ ZZIP_DIR* zzipdir = zzip_dir_open( "figures.zip", NULL );
+
+ ZZIP_FILE* zfile = zzip_file_open(zzipdir, "f1.bmp", ZZIP_CASELESS);
+
+ if (zfile)
+ {
+ rw = SDL_RWFromZZIP(zfile); //modified version
+ if (rw)
+ {
+ temp1 = IMG_Load_RW(rw, 0);
+ SDL_FreeRW(rw);
+ }
+ int zret = zzip_file_close( zfile );
+ }
+
+ zfile = zzip_file_open(zzipdir, "f2.bmp", ZZIP_CASELESS);
+ if (zfile)
+ {
+ rw = SDL_RWFromZZIP(zfile); //modified version
+ if (rw)
+ {
+ temp2 = IMG_Load_RW(rw, 0);
+ SDL_FreeRW(rw);
+ }
+ int zret = zzip_file_close( zfile );
+ }
+
+ //.. etc
+
+ zzip_dir_close( zzipdir );