src/3rdparty/libmng/libmng_error.c
changeset 0 1918ee327afb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/3rdparty/libmng/libmng_error.c	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,326 @@
+/* ************************************************************************** */
+/* *             For conditions of distribution and use,                    * */
+/* *                see copyright notice in libmng.h                        * */
+/* ************************************************************************** */
+/* *                                                                        * */
+/* * project   : libmng                                                     * */
+/* * file      : libmng_error.c            copyright (c) 2000-2007 G.Juyn   * */
+/* * version   : 1.0.10                                                     * */
+/* *                                                                        * */
+/* * purpose   : Error routines (implementation)                            * */
+/* *                                                                        * */
+/* * author    : G.Juyn                                                     * */
+/* *                                                                        * */
+/* * comment   : implementation of the general error handling routines      * */
+/* *                                                                        * */
+/* * changes   : 0.5.1 - 05/08/2000 - G.Juyn                                * */
+/* *             - changed strict-ANSI stuff                                * */
+/* *                                                                        * */
+/* *             0.5.2 - 05/23/2000 - G.Juyn                                * */
+/* *             - added error telltaling                                   * */
+/* *             0.5.2 - 05/30/2000 - G.Juyn                                * */
+/* *             - added errorstrings for delta-image processing            * */
+/* *             0.5.2 - 05/31/2000 - G.Juyn                                * */
+/* *             - fixed up punctuation (contributed by Tim Rowley)         * */
+/* *             0.5.2 - 06/06/2000 - G.Juyn                                * */
+/* *             - added errorstring for delayed buffer-processing          * */
+/* *                                                                        * */
+/* *             0.9.1 - 07/06/2000 - G.Juyn                                * */
+/* *             - added MNG_NEEDTIMERWAIT errorstring                      * */
+/* *             0.9.1 - 07/15/2000 - G.Juyn                                * */
+/* *             - added NEEDSECTIONWAIT errorstring                        * */
+/* *             - added macro + routine to set returncode without          * */
+/* *               calling error callback                                   * */
+/* *             0.9.1 - 07/19/2000 - G.Juyn                                * */
+/* *             - added errorstring for updatemngheader if not a MNG       * */
+/* *                                                                        * */
+/* *             0.9.2 - 08/05/2000 - G.Juyn                                * */
+/* *             - changed file-prefixes                                    * */
+/* *                                                                        * */
+/* *             0.9.3 - 08/09/2000 - G.Juyn                                * */
+/* *             - added check for simplicity-bits in MHDR                  * */
+/* *             0.9.3 - 10/11/2000 - G.Juyn                                * */
+/* *             - fixed processing of unknown critical chunks              * */
+/* *             - added support for nEED                                   * */
+/* *             0.9.3 - 10/20/2000 - G.Juyn                                * */
+/* *             - added errorcode for delayed delta-processing             * */
+/* *                                                                        * */
+/* *             0.9.4 - 01/18/2001 - G.Juyn                                * */
+/* *             - added errorcode for MAGN methods                         * */
+/* *                                                                        * */
+/* *             1.0.2 - 06/23/2001 - G.Juyn                                * */
+/* *             - added optimization option for MNG-video playback         * */
+/* *                                                                        * */
+/* *             1.0.5 - 07/04/2002 - G.Juyn                                * */
+/* *             - added errorcode for extreme chunk-sizes                  * */
+/* *             1.0.5 - 08/15/2002 - G.Juyn                                * */
+/* *             - completed delta-image support                            * */
+/* *             1.0.5 - 08/19/2002 - G.Juyn                                * */
+/* *             - B597134 - libmng pollutes the linker namespace           * */
+/* *             1.0.5 - 09/14/2002 - G.Juyn                                * */
+/* *             - added event handling for dynamic MNG                     * */
+/* *             1.0.5 - 09/15/2002 - G.Juyn                                * */
+/* *             - fixed LOOP iteration=0 special case                      * */
+/* *             1.0.5 - 09/19/2002 - G.Juyn                                * */
+/* *             - warnings are ignored by default now!                     * */
+/* *             1.0.5 - 09/20/2002 - G.Juyn                                * */
+/* *             - added support for PAST                                   * */
+/* *             1.0.5 - 10/07/2002 - G.Juyn                                * */
+/* *             - added check for TERM placement during create/write       * */
+/* *                                                                        * */
+/* *             1.0.6 - 07/07/2003 - G. R-P                                * */
+/* *             - added MNG_SKIPCHUNK_CHNK, MNG_NO_DELTA_PNG reductions.   * */
+/* *             - skipped more code when MNG_INCLUDE_JNG is not enabled.   * */
+/* *             1.0.6 - 07/29/2003 - G.R-P                                 * */
+/* *             - added conditional around evNT chunk support              * */
+/* *                                                                        * */
+/* *             1.0.7 - 03/24/2004 - G.R-P                                 * */
+/* *             - fixed typo on SKIPCHUNK_evNT (->PAST)                    * */
+/* *                                                                        * */
+/* *             1.0.9 - 12/20/2004 - G.Juyn                                * */
+/* *             - cleaned up macro-invocations (thanks to D. Airlie)       * */
+/* *                                                                        * */
+/* *             1.0.10 - 04/08/2007 - G.Juyn                               * */
+/* *             - added support for mPNG proposal                          * */
+/* *                                                                        * */
+/* ************************************************************************** */
+
+#include "libmng.h"
+#include "libmng_data.h"
+#include "libmng_error.h"
+#include "libmng_trace.h"
+#ifdef __BORLANDC__
+#pragma hdrstop
+#endif
+
+#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
+#pragma option -A                      /* force ANSI-C */
+#endif
+
+/* ************************************************************************** */
+
+#ifdef MNG_INCLUDE_ERROR_STRINGS
+MNG_LOCAL mng_error_entry const error_table [] =
+  {
+    {MNG_NOERROR,          "No error"},
+    {MNG_OUTOFMEMORY,      "Out of memory"},
+    {MNG_INVALIDHANDLE,    "The handle is invalid"},
+    {MNG_NOCALLBACK,       "A required callback is not defined"},
+    {MNG_UNEXPECTEDEOF,    "Encountered unexpected end-of-file"},
+    {MNG_ZLIBERROR,        "zlib encountered an error"},
+#ifdef MNG_INCLUDE_JNG
+    {MNG_JPEGERROR,        "ijgsrc6b encountered an error"},
+#endif
+    {MNG_LCMSERROR,        "lcms encountered an error"},
+    {MNG_NOOUTPUTPROFILE,  "No output-profile defined for CMS"},
+    {MNG_NOSRGBPROFILE,    "No sRGB-profile defined for CMS"},
+    {MNG_BUFOVERFLOW,      "Internal buffer-overflow"},
+    {MNG_FUNCTIONINVALID,  "Function is invalid at this point"},
+    {MNG_OUTPUTERROR,      "Writing was unsuccessful; disk full?"},
+    {MNG_JPEGBUFTOOSMALL,  "Internal buffer for JPEG processing too small"},
+    {MNG_NEEDMOREDATA,     "Reading suspended; waiting for I/O to catch up"},
+    {MNG_NEEDTIMERWAIT,    "Timer suspension; normal animation delay"},
+    {MNG_NEEDSECTIONWAIT,  "SEEK suspension; application decides"},
+    {MNG_LOOPWITHCACHEOFF, "LOOP encountered when playback cache is turned off"},
+
+    {MNG_APPIOERROR,       "Application signalled I/O error"},
+    {MNG_APPTIMERERROR,    "Application signalled timing error"},
+    {MNG_APPCMSERROR,      "Application signalled CMS error"},
+    {MNG_APPMISCERROR,     "Application signalled an error"},
+    {MNG_APPTRACEABORT,    "Application signalled error during trace-callback"},
+
+    {MNG_INTERNALERROR,    "Internal error in libmng"},
+
+    {MNG_INVALIDSIG,       "The signature is invalid"},
+    {MNG_INVALIDCRC,       "The CRC for this chunk is invalid"},
+    {MNG_INVALIDLENGTH,    "Chunk-length is invalid"},
+    {MNG_SEQUENCEERROR,    "Chunk out of sequence"},
+    {MNG_CHUNKNOTALLOWED,  "Chunk not allowed at this point"},
+    {MNG_MULTIPLEERROR,    "Chunk cannot occur multiple times"},
+    {MNG_PLTEMISSING,      "Missing PLTE chunk"},
+    {MNG_IDATMISSING,      "Missing IDAT chunk(s)"},
+    {MNG_CANNOTBEEMPTY,    "Chunk cannot be empty"},
+    {MNG_GLOBALLENGTHERR,  "Global data length invalid"},
+    {MNG_INVALIDBITDEPTH,  "The bit_depth is invalid"},
+    {MNG_INVALIDCOLORTYPE, "The color_type is invalid"},
+    {MNG_INVALIDCOMPRESS,  "The compression_method is invalid"},
+    {MNG_INVALIDFILTER,    "The filter_method or filter_type is invalid"},
+    {MNG_INVALIDINTERLACE, "The interlace_method is invalid"},
+    {MNG_NOTENOUGHIDAT,    "There is not enough data in the IDAT chunk(s)"},
+    {MNG_PLTEINDEXERROR,   "Palette-index out of bounds"},
+    {MNG_NULLNOTFOUND,     "NULL separator not found"},
+    {MNG_KEYWORDNULL,      "Keyword cannot be zero-length"},
+    {MNG_OBJECTUNKNOWN,    "Object does not exist"},
+    {MNG_OBJECTEXISTS,     "Object already exists"},
+    {MNG_TOOMUCHIDAT,      "Too much data in IDAT chunk(s)"},
+    {MNG_INVSAMPLEDEPTH,   "The sample_depth is invalid"},
+    {MNG_INVOFFSETSIZE,    "The offset_type is invalid"},
+    {MNG_INVENTRYTYPE,     "The entry_type is invalid"},
+    {MNG_ENDWITHNULL,      "Chunk must not end with NULL byte"},
+    {MNG_INVIMAGETYPE,     "The image_type is invalid"},
+#ifndef MNG_NO_DELTA_PNG
+    {MNG_INVDELTATYPE,     "The delta_type is invalid"},
+#endif
+    {MNG_INVALIDINDEX,     "Index-value out of bounds"},
+#ifdef MNG_INCLUDE_JNG
+    {MNG_TOOMUCHJDAT,      "Too much data in JDAT chunk(s)"},
+    {MNG_JPEGPARMSERR,     "JHDR parameters & JFIF-data do not match"},
+#endif
+    {MNG_INVFILLMETHOD,    "The fill_method is invalid"},
+#ifndef MNG_NO_DELTA_PNG
+    {MNG_OBJNOTCONCRETE,   "Target object for DHDR must be concrete"},
+#endif
+    {MNG_TARGETNOALPHA,    "Target object must have alpha-channel"},
+    {MNG_MNGTOOCOMPLEX,    "MHDR simplicity indicates unsupported feature(s)"},
+    {MNG_UNKNOWNCRITICAL,  "Unknown critical chunk encountered"},
+#ifndef MNG_SKIPCHUNK_nEED
+    {MNG_UNSUPPORTEDNEED,  "Requested nEED resources are not supported"},
+#endif
+    {MNG_INVALIDDELTA,     "The delta operation is invalid (mismatched color_types?)"},
+    {MNG_INVALIDMETHOD,    "Method is invalid"},
+    {MNG_IMPROBABLELENGTH, "Chunklength is incredibly large"},
+    {MNG_INVALIDBLOCK,     "Delta block width and or height invalid"},
+    {MNG_INVALIDEVENT,     "Event type is invalid"},
+    {MNG_INVALIDMASK,      "Mask type is invalid"},
+    {MNG_NOMATCHINGLOOP,   "ENDL without matching LOOP"},
+#ifndef MNG_SKIPCHUNK_evNT
+    {MNG_SEEKNOTFOUND,     "evNT points to unknown SEEK"},
+#endif
+#ifndef MNG_SKIPCHUNK_PAST
+    {MNG_OBJNOTABSTRACT,   "Destination object for PAST must be abstract"},
+#endif
+    {MNG_TERMSEQERROR,     "TERM misplaced during creation of MNG stream"},
+    {MNG_INVALIDFIELDVAL,  "invalid fieldvalue (generic)"},
+    {MNG_INVALIDWIDTH,     "invalid frame/image width"},
+    {MNG_INVALIDHEIGHT,    "invalid frame/image height"},
+
+    {MNG_INVALIDCNVSTYLE,  "Canvas_style is invalid"},
+    {MNG_WRONGCHUNK,       "Attempt to access the wrong chunk"},
+    {MNG_INVALIDENTRYIX,   "Attempt to access an non-existing entry"},
+    {MNG_NOHEADER,         "No valid header-chunk"},
+    {MNG_NOCORRCHUNK,      "Parent chunk not found"},
+    {MNG_NOMHDR,           "No MNG header (MHDR) found"},
+
+    {MNG_IMAGETOOLARGE,    "Image is larger than defined maximum"},
+    {MNG_NOTANANIMATION,   "Image is not an animation"},
+    {MNG_FRAMENRTOOHIGH,   "Framenr out of bounds"},
+    {MNG_LAYERNRTOOHIGH,   "Layernr out of bounds"},
+    {MNG_PLAYTIMETOOHIGH,  "Playtime out of bounds"},
+    {MNG_FNNOTIMPLEMENTED, "Function not yet implemented"},
+    {MNG_IMAGEFROZEN,      "Image is frozen"},
+
+    {MNG_LCMS_NOHANDLE,    "Handle could not be initialized"},
+    {MNG_LCMS_NOMEM,       "No memory for gamma-table(s)"},
+    {MNG_LCMS_NOTRANS,     "Transformation could not be initialized"}
+  };
+#endif /* MNG_INCLUDE_ERROR_STRINGS */
+
+/* ************************************************************************** */
+
+mng_bool mng_store_error (mng_datap   pData,
+                          mng_retcode iError,
+                          mng_retcode iExtra1,
+                          mng_retcode iExtra2)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (pData, MNG_FN_STORE_ERROR, MNG_LC_START);
+#endif
+
+  if (pData != 0)
+  {
+    pData->iErrorcode = iError;        /* save also for getlasterror */
+    pData->iErrorx1   = iExtra1;
+    pData->iErrorx2   = iExtra2;
+
+#ifdef MNG_INCLUDE_ERROR_STRINGS
+    {                                  /* binary search variables */
+      mng_int32        iTop, iLower, iUpper, iMiddle;
+      mng_error_entryp pEntry;         /* pointer to found entry */
+                                       /* determine max index of table */
+      iTop = (sizeof (error_table) / sizeof (error_table [0])) - 1;
+
+      iLower  = 0;                     /* initialize binary search */
+      iMiddle = iTop >> 1;             /* start in the middle */
+      iUpper  = iTop;
+      pEntry  = 0;                     /* no goods yet! */
+
+      do                               /* the binary search itself */
+        {
+          if (error_table [iMiddle].iError < iError)
+            iLower = iMiddle + 1;
+          else if (error_table [iMiddle].iError > iError)
+            iUpper = iMiddle - 1;
+          else
+          {
+            pEntry = &error_table [iMiddle];
+            break;
+          }
+
+          iMiddle = (iLower + iUpper) >> 1;
+        }
+      while (iLower <= iUpper);
+
+      if (pEntry)                      /* found it ? */
+        pData->zErrortext = pEntry->zErrortext;
+      else
+        pData->zErrortext = "Unknown error";
+      }
+#else /* MNG_INCLUDE_ERROR_STRINGS */
+    pData->zErrortext = 0;
+#endif /* MNG_INCLUDE_ERROR_STRINGS */
+
+    if (iError == 0)                   /* no error is not severe ! */
+    {
+      pData->iSeverity = 0;
+    }
+    else
+    {
+      switch (iError&0x3C00)           /* determine the severity */
+      {
+        case 0x0800 : { pData->iSeverity = 5; break; }
+        case 0x1000 : { pData->iSeverity = 2; break; }
+        case 0x2000 : { pData->iSeverity = 1; break; }      
+        default     : { pData->iSeverity = 9; }
+      }
+    }
+  }
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (pData, MNG_FN_STORE_ERROR, MNG_LC_END);
+#endif
+
+  return MNG_TRUE;
+}
+
+/* ************************************************************************** */
+
+mng_bool mng_process_error (mng_datap   pData,
+                            mng_retcode iError,
+                            mng_retcode iExtra1,
+                            mng_retcode iExtra2)
+{
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (pData, MNG_FN_PROCESS_ERROR, MNG_LC_START);
+#endif
+
+  mng_store_error (pData, iError, iExtra1, iExtra2);
+
+  if ((pData != MNG_NULL) && (pData->iMagic == MNG_MAGIC))
+  {
+    if (pData->fErrorproc)             /* callback defined ? */
+      return pData->fErrorproc (((mng_handle)pData), iError, pData->iSeverity,
+                                pData->iChunkname, pData->iChunkseq,
+                                pData->iErrorx1, pData->iErrorx2, pData->zErrortext);
+  }
+
+#ifdef MNG_SUPPORT_TRACE
+  MNG_TRACEB (pData, MNG_FN_PROCESS_ERROR, MNG_LC_END);
+#endif
+
+  return MNG_TRUE;                     /* warnings are ignored by default ! */
+}
+
+/* ************************************************************************** */
+/* * end of file                                                            * */
+/* ************************************************************************** */
+