diff options
Diffstat (limited to 'src/3rdparty/libmng/libmng_error.c')
-rw-r--r-- | src/3rdparty/libmng/libmng_error.c | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/src/3rdparty/libmng/libmng_error.c b/src/3rdparty/libmng/libmng_error.c new file mode 100644 index 000000000..a834ecd92 --- /dev/null +++ b/src/3rdparty/libmng/libmng_error.c @@ -0,0 +1,271 @@ +/* ************************************************************************** */ +/* * For conditions of distribution and use, * */ +/* * see copyright notice in libmng.h * */ +/* ************************************************************************** */ +/* * * */ +/* * project : libmng * */ +/* * file : libmng_error.c copyright (c) 2000 G.Juyn * */ +/* * version : 1.0.2 * */ +/* * * */ +/* * purpose : Error routines (implementation) * */ +/* * * */ +/* * author : G.Juyn * */ +/* * web : http://www.3-t.com * */ +/* * email : mailto:info@3-t.com * */ +/* * * */ +/* * 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 - 1/18/2001 - G.Juyn * */ +/* * - added errorcode for MAGN methods * */ +/* * * */ +/* * 1.0.2 - 06/23/2001 - G.Juyn * */ +/* * - added optimization option for MNG-video playback * */ +/* * * */ +/* ************************************************************************** */ + +#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_error_entry error_table [] = + { + {MNG_NOERROR, "No error"}, + {MNG_OUTOFMEMORY, "Out of memory"}, + {MNG_INVALIDHANDLE, "The handle is invalid"}, + {MNG_NOCALLBACK, "A retquired callback is not defined"}, + {MNG_UNEXPECTEDEOF, "Encountered unexpected end-of-file"}, + {MNG_ZLIBERROR, "zlib encountered an error"}, + {MNG_JPEGERROR, "ijgsrc6b encountered an error"}, + {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_SETQUENCEERROR, "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"}, + {MNG_INVDELTATYPE, "The delta_type is invalid"}, + {MNG_INVALIDINDEX, "Index-value out of bounds"}, + {MNG_TOOMUCHJDAT, "Too much data in JDAT chunk(s)"}, + {MNG_JPEGPARMSERR, "JHDR parameters & JFIF-data do not match"}, + {MNG_INVFILLMETHOD, "The fill_method is invalid"}, + {MNG_OBJNOTCONCRETE, "Target object for DHDR must be concrete"}, + {MNG_TARGETNOALPHA, "Target object must have alpha-channel"}, + {MNG_MNGTOOCOMPLEX, "MHDR simplicity indicates unsupported feature(s)"}, + {MNG_UNKNOWNCRITICAL, "Unknown critical chunk encountered"}, + {MNG_UNSUPPORTEDNEED, "Requested nEED resources are not supported"}, + {MNG_INVALIDDELTA, "The delta operation is invalid (mismatched color_types?)"}, + {MNG_INVALIDMETHOD, "Method is invalid"}, + + {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 + pData->zErrortext = 0; +#endif /* mng_error_telltale */ + + 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 != 0) + { + 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_FALSE; /* automatic failure */ +} + +/* ************************************************************************** */ +/* * end of file * */ +/* ************************************************************************** */ + |