From 39fbfd5eb7e45d73d38e8a2ce9437a3d7e1b8e91 Mon Sep 17 00:00:00 2001
From: pohly <pohly>
Date: Thu, 05 May 2005 14:39:33 +0000
Subject: new opie-reader sources with support for ArriereGo, Reb input and flite output plugins

---
(limited to 'noncore/apps/opie-reader/decompress.cpp')

diff --git a/noncore/apps/opie-reader/decompress.cpp b/noncore/apps/opie-reader/decompress.cpp
new file mode 100644
index 0000000..9bfec49
--- a/dev/null
+++ b/noncore/apps/opie-reader/decompress.cpp
@@ -0,0 +1,95 @@
+#include <string.h>
+#include "decompress.h"
+#include <zlib.h>
+#include <stdlib.h>
+
+size_t UnZip(UInt8* compressedbuffer, size_t reclen, UInt8* tgtbuffer, size_t bsize)
+{
+  z_stream zstream;
+  memset(&zstream,sizeof(zstream),0);
+  zstream.next_in = compressedbuffer;
+  zstream.next_out = tgtbuffer;
+  zstream.avail_out = bsize;
+  zstream.avail_in = reclen;
+
+  int keylen = 0;
+
+  zstream.zalloc = Z_NULL;
+  zstream.zfree = Z_NULL;
+  zstream.opaque = Z_NULL;
+  
+  //  printf("Initialising\n");
+  
+  inflateInit(&zstream);
+  int err = 0;
+  do {
+    if ( zstream.avail_in == 0 && 0 < keylen ) {
+      zstream.next_in   = compressedbuffer + keylen;
+      zstream.avail_in  = reclen - keylen;
+      keylen      = 0;
+    }
+    zstream.next_out  = tgtbuffer;
+    zstream.avail_out = bsize;
+
+    err = inflate( &zstream, Z_SYNC_FLUSH );
+
+    //	//qDebug("err:%d - %u", err, zstream.avail_in);
+
+  } while ( err == Z_OK );
+
+  inflateEnd(&zstream);
+  return zstream.total_out;
+}
+
+#if defined(__STATIC) && defined(USENEF)
+#include "Model.h"
+size_t (*getdecompressor(char* _s))(UInt8*, size_t, UInt8*, size_t)
+{
+  if (strcmp(_s, "PluckerDecompress3") == 0)
+    {
+      return PluckerDecompress3;
+    }
+  if (strcmp(_s, "PluckerDecompress4") == 0)
+    {
+      return PluckerDecompress4;
+    }
+  if (strcmp(_s, "RebDecompress") == 0)
+    {
+      return RebDecompress;
+    }
+  return NULL;
+}
+#else
+
+#include "qfileinfo.h"
+
+#include <dlfcn.h>
+
+size_t (*getdecompressor(char* _s))(UInt8*, size_t, UInt8*, size_t)
+{
+#ifdef USEQPE
+#ifdef OPIE
+  QString codecpath(getenv("OPIEDIR"));
+#else
+  QString codecpath(getenv("QTDIR"));
+#endif
+  codecpath += "/plugins/reader/support/libpluckerdecompress.so";
+#else
+  QString codecpath(getenv("READERDIR"));
+  codecpath += "/support/libpluckerdecompress.so";
+#endif
+  qDebug("Codec:%s", (const char*)codecpath);
+  if (QFile::exists(codecpath))
+    {
+      qDebug("Codec:%s", (const char*)codecpath);
+      void* handle = dlopen(codecpath, RTLD_LAZY);
+      if (handle == 0)
+	{
+	  qDebug("Can't find codec:%s", dlerror());
+	  return NULL;
+	}
+      return (size_t (*)(UInt8*, size_t, UInt8*, size_t))dlsym(handle, _s);
+    }
+  return NULL;
+}
+#endif
--
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