source: liacs/MIR2010/SourceCode/cximage/tif_xfile.cpp@ 185

/*
 * TIFF file IO, using CxFile.
 */

#ifdef WIN32
 #include <windows.h>
#endif
#include <stdio.h>

#include "ximage.h"

#if CXIMAGE_SUPPORT_TIF

#include "tiff/tiffiop.h"

#include "xfile.h"

static tsize_t 
_tiffReadProcEx(thandle_t fd, tdata_t buf, tsize_t size)
{
        return (tsize_t)((CxFile*)fd)->Read(buf, 1, size);
}

static tsize_t
_tiffWriteProcEx(thandle_t fd, tdata_t buf, tsize_t size)
{
        return (tsize_t)((CxFile*)fd)->Write(buf, 1, size);
}

static toff_t
_tiffSeekProcEx(thandle_t fd, toff_t off, int whence)
{
        if ( off == 0xFFFFFFFF ) 
                return 0xFFFFFFFF;
        if (!((CxFile*)fd)->Seek(off, whence))
                return 0xFFFFFFFF;
        if (whence == SEEK_SET)
                return off;

        return (toff_t)((CxFile*)fd)->Tell();
}

// Return nonzero if error
static int
_tiffCloseProcEx(thandle_t /*fd*/)
{
//      return !((CxFile*)fd)->Close(); // "//" needed for memory files <DP>
        return 0;
}

#include <sys/stat.h>

static toff_t
_tiffSizeProcEx(thandle_t fd)
{
        return ((CxFile*)fd)->Size();
}

static int
_tiffMapProcEx(thandle_t /*fd*/, tdata_t* /*pbase*/, toff_t* /*psize*/)
{
        return (0);
}

static void
_tiffUnmapProcEx(thandle_t /*fd*/, tdata_t /*base*/, toff_t /*size*/)
{
}

// Open a TIFF file descriptor for read/writing.
/*
TIFF*
TIFFOpen(const char* name, const char* mode)
{
        static const char module[] = "TIFFOpen";
   FILE* stream = fopen(name, mode);
        if (stream == NULL) 
   {
                TIFFError(module, "%s: Cannot open", name);
                return NULL;
        }
        return (TIFFFdOpen((int)stream, name, mode));
}
*/

TIFF*
_TIFFFdOpen(void* fd, const char* name, const char* mode)
{
        TIFF* tif;

        tif = TIFFClientOpen(name, mode,
            (thandle_t) fd,
            _tiffReadProcEx, _tiffWriteProcEx, _tiffSeekProcEx, _tiffCloseProcEx,
            _tiffSizeProcEx, _tiffMapProcEx, _tiffUnmapProcEx);
        if (tif)
                // BT: add cast so it is now has identical behavior to version 5.9.9 and it will compile again
                tif->tif_fd = (int)fd;
        return (tif);
}

extern "C" TIFF* _TIFFOpenEx(CxFile* stream, const char* mode)
{
        return (_TIFFFdOpen(stream, "TIFF IMAGE", mode));
}

#ifdef __GNUC__
extern  char* malloc();
extern  char* realloc();
#else
#include <malloc.h>
#endif

tdata_t
_TIFFmalloc(tsize_t s)
{
        return (malloc((size_t) s));
}

void
_TIFFfree(tdata_t p)
{
        free(p);
}

tdata_t
_TIFFrealloc(tdata_t p, tsize_t s)
{
        return (realloc(p, (size_t) s));
}

void
_TIFFmemset(tdata_t p, int v, tsize_t c)
{
        memset(p, v, (size_t) c);
}

void
_TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
{
        memcpy(d, s, (size_t) c);
}

int
_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
{
        return (memcmp(p1, p2, (size_t) c));
}

#ifndef UNICODE
#define DbgPrint wvsprintf
#define DbgPrint2 wsprintf
#define DbgMsgBox MessageBox
#else
#define DbgPrint wvsprintfA
#define DbgPrint2 wsprintfA
#define DbgMsgBox MessageBoxA
#endif

static void
Win32WarningHandler(const char* module, const char* fmt, va_list ap)
{
#ifdef _DEBUG
#if (!defined(_CONSOLE) && !defined(_WIN32_WCE) && defined(WIN32))
        LPSTR szTitle;
        LPSTR szTmp;
        LPCSTR szTitleText = "%s Warning";
        LPCSTR szDefaultModule = "TIFFLIB";
        szTmp = (module == NULL) ? (LPSTR)szDefaultModule : (LPSTR)module;
        if ((szTitle = (LPSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmp) +
                        strlen(szTitleText) + strlen(fmt) + 128))) == NULL)
                return;
        DbgPrint2(szTitle, szTitleText, szTmp);
        szTmp = szTitle + (strlen(szTitle)+2);
        DbgPrint(szTmp, fmt, ap);
        DbgMsgBox(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONINFORMATION);
        LocalFree(szTitle);
        return;
#else
        if (module != NULL)
                fprintf(stderr, "%s: ", module);
        fprintf(stderr, "Warning, ");
        vfprintf(stderr, fmt, ap);
        fprintf(stderr, ".\n");
#endif
#endif
}
TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;

static void
Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
{
#ifdef _DEBUG
#if (!defined(_CONSOLE) && !defined(_WIN32_WCE) && defined(WIN32))
        LPSTR szTitle;
        LPSTR szTmp;
        LPCSTR szTitleText = "%s Error";
        LPCSTR szDefaultModule = "TIFFLIB";
        szTmp = (module == NULL) ? (LPSTR)szDefaultModule : (LPSTR)module;
        if ((szTitle = (LPSTR)LocalAlloc(LMEM_FIXED, (strlen(szTmp) +
                        strlen(szTitleText) + strlen(fmt) + 128))) == NULL)
                return;
        DbgPrint2(szTitle, szTitleText, szTmp);
        szTmp = szTitle + (strlen(szTitle)+2);
        DbgPrint(szTmp, fmt, ap);
        DbgMsgBox(GetFocus(), szTmp, szTitle, MB_OK | MB_ICONEXCLAMATION);
        LocalFree(szTitle);
        return;
#else
        if (module != NULL)
                fprintf(stderr, "%s: ", module);
        vfprintf(stderr, fmt, ap);
        fprintf(stderr, ".\n");
#endif
#endif
}
TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;

#endif