diff options
Diffstat (limited to 'tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c')
-rw-r--r-- | tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c | 451 |
1 files changed, 0 insertions, 451 deletions
diff --git a/tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c b/tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c deleted file mode 100644 index 0730b2f..0000000 --- a/tqtinterface/qt4/src/3rdparty/libmng/libmng_zlib.c +++ /dev/null @@ -1,451 +0,0 @@ -/* ************************************************************************** */ -/* * 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 * */ -/* ************************************************************************** */ - |