Added TQt4 HEAD

1 files changed, 451 insertions, 0 deletions

diff --git a/tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c b/tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c
new file mode 100644
index 0000000..0730b2f
--- /dev/null
+++ b/tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c
@@ -0,0 +1,451 @@
+/* ************************************************************************** */
+/* *             For conditions of distribution and use,                    * */
+/* *                see copyright notice in libmng.h                        * */
+/* ************************************************************************** */
+/* *                                                                        * */
+/* * project   : libmng                                                     * */
+/* * file      : libmng_zlib.c             copyright (c) 2000 G.Juyn        * */
+/* * version   : 1.0.0                                                      * */
+/* *                                                                        * */
+/* * purpose   : ZLIB library interface (implementation)                    * */
+/* *                                                                        * */
+/* * author    : G.Juyn                                                     * */
+/* * web       : http://www.3-t.com                                         * */
+/* * email     : mailto:info@3-t.com                                        * */
+/* *                                                                        * */
+/* * comment   : implementation of the ZLIB library interface               * */
+/* *                                                                        * */
+/* * changes   : 0.5.1 - 05/08/2000 - G.Juyn                                * */
+/* *             - changed strict-ANSI stuff                                * */
+/* *             0.5.1 - 05/11/2000 - G.Juyn                                * */
+/* *             - filled the deflatedata routine                           * */
+/* *             0.5.1 - 05/12/2000 - G.Juyn                                * */
+/* *             - changed trace to macro for callback error-reporting      * */
+/* *                                                                        * */
+/* *             0.5.2 - 05/20/2000 - G.Juyn                                * */
+/* *             - fixed for JNG alpha handling                             * */
+/* *             0.5.2 - 05/24/2000 - G.Juyn                                * */
+/* *             - moved init of default zlib parms from here to            * */
+/* *               "mng_hlapi.c"                                            * */
+/* *                                                                        * */
+/* *             0.5.3 - 06/16/2000 - G.Juyn                                * */
+/* *             - changed progressive-display processing                   * */
+/* *                                                                        * */
+/* *             0.9.2 - 08/05/2000 - G.Juyn                                * */
+/* *             - changed file-prefixes                                    * */
+/* *                                                                        * */
+/* *             0.9.3 - 08/08/2000 - G.Juyn                                * */
+/* *             - fixed compiler-warnings from Mozilla                     * */
+/* *             0.9.3 - 09/07/2000 - G.Juyn                                * */
+/* *             - added support for new filter_types                       * */
+/* *                                                                        * */
+/* ************************************************************************** */
+
+#include "libmng.h"
+#include "libmng_data.h"
+#include "libmng_error.h"
+#include "libmng_trace.h"
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+#include "libmng_memory.h"
+#include "libmng_pixels.h"
+#include "libmng_filter.h"
+#include "libmng_zlib.h"
+
+#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
+#pragma option -A                      /* force ANSI-C */
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ZLIB
+
+/* ************************************************************************** */
+
+voidpf mngzlib_alloc (voidpf pData,
+                      uInt   iCount,
+                      uInt   iSize)
+{
+  voidpf pPtr;                         /* temporary space */
+
+#ifdef MNG_INTERNAL_MEMMNGMT
+  pPtr = calloc (iCount, iSize);       /* local allocation */
+#else
+  if (((mng_datap)pData)->fMemalloc)   /* callback function set ? */
+    pPtr = ((mng_datap)pData)->fMemalloc (iCount * iSize);
+  else
+    pPtr = Z_NULL;                     /* can't allocate! */
+#endif
+
+  return pPtr;                         /* return the result */
+}
+
+/* ************************************************************************** */
+
+void mngzlib_free (voidpf pData,
+                   voidpf pAddress)
+{
+#ifdef MNG_INTERNAL_MEMMNGMT
+  free (pAddress);                     /* free locally */
+#else
+  if (((mng_datap)pData)->fMemfree)    /* callback set? */
+    ((mng_datap)pData)->fMemfree (pAddress, 1);
+#endif
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_initialize (mng_datap pData)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INITIALIZE, MNG_LC_START)
+#endif
+
+#ifdef MNG_INTERNAL_MEMMNGMT
+  pData->sZlib.zalloc = Z_NULL;        /* let zlib figure out memory management */
+  pData->sZlib.zfree  = Z_NULL;
+  pData->sZlib.opaque = Z_NULL;
+#else                                  /* use user-provided callbacks */
+  pData->sZlib.zalloc = mngzlib_alloc;
+  pData->sZlib.zfree  = mngzlib_free;
+  pData->sZlib.opaque = (voidpf)pData;
+#endif
+
+  pData->bInflating   = MNG_FALSE;     /* not performing any action yet */
+  pData->bDeflating   = MNG_FALSE;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INITIALIZE, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;                  /* done */
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_cleanup (mng_datap pData)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_CLEANUP, MNG_LC_START)
+#endif
+
+  if (pData->bInflating)               /* force zlib cleanup */
+    mngzlib_inflatefree (pData);
+  if (pData->bDeflating)
+    mngzlib_deflatefree (pData);
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_CLEANUP, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;                  /* done */
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_inflateinit (mng_datap pData)
+{
+  int iZrslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEINIT, MNG_LC_START)
+#endif
+                                       /* initialize zlib structures and such */
+  iZrslt = inflateInit (&pData->sZlib);
+
+  if (iZrslt != Z_OK)                  /* on error bail out */
+    MNG_ERRORZ (pData, (mng_uint32)iZrslt)
+
+  pData->bInflating      = MNG_TRUE;   /* really inflating something now */
+  pData->sZlib.next_out  = 0;          /* force JIT initialization */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEINIT, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;                  /* done */
+}
+
+/* ************************************************************************** */
+
+#ifdef MNG_SUPPORT_DISPLAY
+mng_retcode mngzlib_inflaterows (mng_datap  pData,
+                                 mng_uint32 iInlen,
+                                 mng_uint8p pIndata)
+{
+  int         iZrslt;
+  mng_retcode iRslt;
+  mng_ptr     pSwap;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEROWS, MNG_LC_START)
+#endif
+
+  pData->sZlib.next_in   = pIndata;    /* let zlib know where to get stuff */
+  pData->sZlib.avail_in  = (uInt)iInlen;
+
+  if (pData->sZlib.next_out == 0)      /* initialize output variables ? */
+  {                                    /* let zlib know where to store stuff */
+    pData->sZlib.next_out  = pData->pWorkrow;
+    pData->sZlib.avail_out = (uInt)(pData->iRowsize + pData->iPixelofs);
+  }
+
+  do
+  {                                    /* now inflate a row */
+    iZrslt = inflate (&pData->sZlib, Z_SYNC_FLUSH);
+                                       /* produced a full row ? */
+    if (((iZrslt == Z_OK) || (iZrslt == Z_STREAM_END)) &&
+        (pData->sZlib.avail_out == 0))
+    {                                  /* shouldn't we be at the end ? */
+      if (pData->iRow >= (mng_int32)pData->iDataheight)
+/*        MNG_ERROR (pData, MNG_TOOMUCHIDAT) */ ;  /* TODO: check this!!! */
+      else
+      {                                /* has leveling info ? */
+/*        if (pData->iFilterofs)
+          iRslt = init_rowdiffering (pData);
+        else
+          iRslt = MNG_NOERROR; */
+                                       /* filter the row if necessary */
+/*        if ((!iRslt) && (pData->iFilterofs < pData->iPixelofs  ) &&
+                        (*(pData->pWorkrow + pData->iFilterofs))    ) */
+        if (*(pData->pWorkrow + pData->iFilterofs))   
+          iRslt = filter_a_row (pData);
+        else
+          iRslt = MNG_NOERROR;
+                                       /* additonal leveling/differing ? */
+        if ((!iRslt) && (pData->fDifferrow))
+        {
+          iRslt = ((mng_differrow)pData->fDifferrow) (pData);
+
+          pSwap           = pData->pWorkrow;
+          pData->pWorkrow = pData->pPrevrow;
+          pData->pPrevrow = pSwap;     /* make sure we're processing the right data */
+        }
+
+        if (!iRslt)
+        {
+#ifdef MNG_INCLUDE_JNG
+          if (pData->bHasJHDR)         /* is JNG alpha-channel ? */
+          {                            /* just store in object ? */
+            if ((!iRslt) && (pData->fStorerow))
+              iRslt = ((mng_storerow)pData->fStorerow)     (pData);
+          }
+          else
+#endif /* MNG_INCLUDE_JNG */
+          {                            /* process this row */
+            if ((!iRslt) && (pData->fProcessrow))
+              iRslt = ((mng_processrow)pData->fProcessrow) (pData);
+                                       /* store in object ? */
+            if ((!iRslt) && (pData->fStorerow))
+              iRslt = ((mng_storerow)pData->fStorerow)     (pData);
+                                       /* color correction ? */
+            if ((!iRslt) && (pData->fCorrectrow))
+              iRslt = ((mng_correctrow)pData->fCorrectrow) (pData);
+                                       /* slap onto canvas ? */
+            if ((!iRslt) && (pData->fDisplayrow))
+            {
+              iRslt = ((mng_displayrow)pData->fDisplayrow) (pData);
+
+              if (!iRslt)              /* check progressive display refresh */
+                iRslt = display_progressive_check (pData);
+
+            }
+          }
+        }
+
+        if (iRslt)                     /* on error bail out */
+          MNG_ERROR (pData, iRslt);
+
+        if (!pData->fDifferrow)        /* swap row-pointers */
+        {
+          pSwap           = pData->pWorkrow;
+          pData->pWorkrow = pData->pPrevrow;
+          pData->pPrevrow = pSwap;     /* so prev points to the processed row! */
+        }
+
+        iRslt = next_row (pData);      /* adjust variables for next row */
+
+        if (iRslt)                     /* on error bail out */
+          MNG_ERROR (pData, iRslt);
+      }
+                                       /* let zlib know where to store next output */
+      pData->sZlib.next_out  = pData->pWorkrow;
+      pData->sZlib.avail_out = (uInt)(pData->iRowsize + pData->iPixelofs);
+    }
+  }                                    /* until some error or EOI */
+  while ((iZrslt == Z_OK) && (pData->sZlib.avail_in > 0));
+                                       /* on error bail out */
+  if ((iZrslt != Z_OK) && (iZrslt != Z_STREAM_END))
+    MNG_ERRORZ (pData, (mng_uint32)iZrslt)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEROWS, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;
+}
+#endif /* MNG_SUPPORT_DISPLAY */
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_inflatedata (mng_datap  pData,
+                                 mng_uint32 iInlen,
+                                 mng_uint8p pIndata)
+{
+  int iZrslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEDATA, MNG_LC_START)
+#endif
+                                       /* let zlib know where to get stuff */
+  pData->sZlib.next_in   = pIndata;
+  pData->sZlib.avail_in  = (uInt)iInlen;
+                                       /* now inflate the data in one go! */
+  iZrslt = inflate (&pData->sZlib, Z_FINISH);
+                                       /* not enough room in output-buffer ? */
+  if ((iZrslt == Z_BUF_ERROR) || (pData->sZlib.avail_in > 0))
+    return MNG_BUFOVERFLOW;
+                                       /* on error bail out */
+  if ((iZrslt != Z_OK) && (iZrslt != Z_STREAM_END))
+    MNG_ERRORZ (pData, (mng_uint32)iZrslt)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEDATA, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_inflatefree (mng_datap pData)
+{
+  int iZrslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEFREE, MNG_LC_START)
+#endif
+
+  pData->bInflating = MNG_FALSE;       /* stopped it */
+
+  iZrslt = inflateEnd (&pData->sZlib); /* let zlib cleanup it's own stuff */
+
+  if (iZrslt != Z_OK)                  /* on error bail out */
+    MNG_ERRORZ (pData, (mng_uint32)iZrslt)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_INFLATEFREE, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;                  /* done */
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_deflateinit (mng_datap pData)
+{
+  int iZrslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEINIT, MNG_LC_START)
+#endif
+                                       /* initialize zlib structures and such */
+  iZrslt = deflateInit2 (&pData->sZlib, pData->iZlevel, pData->iZmethod,
+                         pData->iZwindowbits, pData->iZmemlevel,
+                         pData->iZstrategy);
+
+  if (iZrslt != Z_OK)                  /* on error bail out */
+    MNG_ERRORZ (pData, (mng_uint32)iZrslt)
+
+  pData->bDeflating      = MNG_TRUE;   /* really deflating something now */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEINIT, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;                  /* done */
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_deflaterows (mng_datap  pData,
+                                 mng_uint32 iInlen,
+                                 mng_uint8p pIndata)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEROWS, MNG_LC_START)
+#endif
+
+
+
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEROWS, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_deflatedata (mng_datap  pData,
+                                 mng_uint32 iInlen,
+                                 mng_uint8p pIndata)
+{
+  int iZrslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEDATA, MNG_LC_START)
+#endif
+
+  pData->sZlib.next_in  = pIndata;     /* let zlib know where to get stuff */
+  pData->sZlib.avail_in = (uInt)iInlen;
+                                       /* now deflate the data in one go! */
+  iZrslt = deflate (&pData->sZlib, Z_FINISH);
+                                       /* not enough room in output-buffer ? */
+  if ((iZrslt == Z_BUF_ERROR) || (pData->sZlib.avail_in > 0))
+    return MNG_BUFOVERFLOW;
+                                       /* on error bail out */
+  if ((iZrslt != Z_OK) && (iZrslt != Z_STREAM_END))
+    MNG_ERRORZ (pData, (mng_uint32)iZrslt)
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEDATA, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;
+}
+
+/* ************************************************************************** */
+
+mng_retcode mngzlib_deflatefree (mng_datap pData)
+{
+  int iZrslt;
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEFREE, MNG_LC_START)
+#endif
+
+  iZrslt = deflateEnd (&pData->sZlib); /* let zlib cleanup it's own stuff */
+
+  if (iZrslt != Z_OK)                  /* on error bail out */
+    MNG_ERRORZ (pData, (mng_uint32)iZrslt)
+
+  pData->bDeflating = MNG_FALSE;       /* stopped it */
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACE (pData, MNG_FN_ZLIB_DEFLATEFREE, MNG_LC_END)
+#endif
+
+  return MNG_NOERROR;                  /* done */
+}
+
+/* ************************************************************************** */
+
+#endif /* MNG_INCLUDE_ZLIB */
+
+/* ************************************************************************** */
+/* * end of file                                                            * */
+/* ************************************************************************** */
+