/* $Id: tif_win32.c,v 1.39 2011-12-22 17:07:57 bfriesen Exp $ */
/*
* Copyright (c) 1988-1997 Sam Leffler
* Copyright (c) 1991-1997 Silicon Graphics, Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that (i) the above copyright notices and this permission notice appear in
* all copies of the software and related documentation, and (ii) the names of
* Sam Leffler and Silicon Graphics may not be used in any advertising or
* publicity relating to the software without the specific, prior written
* permission of Sam Leffler and Silicon Graphics.
*
* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
*
* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
/*
* TIFF Library Win32-specific Routines. Adapted from tif_unix.c 4/5/95 by
* Scott Wagner (wagner@itek.com), Itek Graphix, Rochester, NY USA
*/
#include "tiffiop.h"
#include <windows.h>
static tmsize_t
_tiffReadProc(thandle_t fd, void* buf, tmsize_t size)
{
/* tmsize_t is 64bit on 64bit systems, but the WinAPI ReadFile takes
* 32bit sizes, so we loop through the data in suitable 32bit sized
* chunks */
uint8* ma;
uint64 mb;
DWORD n;
DWORD o;
tmsize_t p;
ma=(uint8*)buf;
mb=size;
p=0;
while (mb>0)
{
n=0x80000000UL;
if ((uint64)n>mb)
n=(DWORD)mb;
if (!ReadFile(fd,(LPVOID)ma,n,&o,NULL))
return(0);
ma+=o;
mb-=o;
p+=o;
if (o!=n)
break;
}
return(p);
}
static tmsize_t
_tiffWriteProc(thandle_t fd, void* buf, tmsize_t size)
{
/* tmsize_t is 64bit on 64bit systems, but the WinAPI WriteFile takes
* 32bit sizes, so we loop through the data in suitable 32bit sized
* chunks */
uint8* ma;
uint64 mb;
DWORD n;
DWORD o;
tmsize_t p;
ma=(uint8*)buf;
mb=size;
p=0;
while (mb>0)
{
n=0x80000000UL;
if ((uint64)n>mb)
n=(DWORD)mb;
if (!WriteFile(fd,(LPVOID)ma,n,&o,NULL))
return(0);
ma+=o;
mb-=o;
p+=o;
if (o!=n)
break;
}
return(p);
}
static uint64
_tiffSeekProc(thandle_t fd, uint64 off, int whence)
{
LARGE_INTEGER offli;
DWORD dwMoveMethod;
offli.QuadPart = off;
switch(whence)
{
case SEEK_SET:
dwMoveMethod = FILE_BEGIN;
break;
case SEEK_CUR:
dwMoveMethod = FILE_CURRENT;
break;
case SEEK_END:
dwMoveMethod = FILE_END;
break;
default:
dwMoveMethod = FILE_BEGIN;
break;
}
offli.LowPart=SetFilePointer(fd,offli.LowPart,&offli.HighPart,dwMoveMethod);
if ((offli.LowPart==INVALID_SET_FILE_POINTER)&&(GetLastError()!=NO_ERROR))
offli.QuadPart=0;
return(offli.QuadPart);
}
static int
_tiffCloseProc(thandle_t fd)
{
return (CloseHandle(fd) ? 0 : -1);
}
static uint64
_tiffSizeProc(thandle_t fd)
{
ULARGE_INTEGER m;
m.LowPart=GetFileSize(fd,&m.HighPart);
return(m.QuadPart);
}
static int
_tiffDummyMapProc(thandle_t fd, void** pbase, toff_t* psize)
{
(void) fd;
(void) pbase;
(void) psize;
return (0);
}
/*
* From "Hermann Josef Hill" <lhill@rhein-zeitung.de>:
*
* Windows uses both a handle and a pointer for file mapping,
* but according to the SDK documentation and Richter's book
* "Advanced Windows Programming" it is safe to free the handle
* after obtaining the file mapping pointer
*
* This removes a nasty OS dependency and cures a problem
* with Visual C++ 5.0
*/
static int
_tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
{
uint64 size;
tmsize_t sizem;
HANDLE hMapFile;
size = _tiffSizeProc(fd);
sizem = (tmsize_t)size;
if ((uint64)sizem!=size)
return (0);
/* By passing in 0 for the maximum file size, it specifies that we
create a file mapping object for the full file size. */
hMapFile = CreateFileMapping(fd, NULL, PAGE_READONLY, 0, 0, NULL);
if (hMapFile == NULL)
return (0);
*pbase = MapViewOfFile(hMapFile, FILE_MAP_READ, 0, 0, 0);
CloseHandle(hMapFile);
if (*pbase == NULL)
return (0);
*psize = size;
return(1);
}
static void
_tiffDummyUnmapProc(thandle_t fd, void* base, toff_t size)
{
(void) fd;
(void) base;
(void) size;
}
static void
_tiffUnmapProc(thandle_t fd, void* base, toff_t size)
{
(void) fd;
(void) size;
UnmapViewOfFile(base);
}
/*
* Open a TIFF file descriptor for read/writing.
* Note that TIFFFdOpen and TIFFOpen recognise the character 'u' in the mode
* string, which forces the file to be opened unmapped.
*/
TIFF*
TIFFFdOpen(int ifd, const char* name, const char* mode)
{
TIFF* tif;
int fSuppressMap;
int m;
fSuppressMap=0;
for (m=0; mode[m]!=0; m++)
{
if (mode[m]=='u')
{
fSuppressMap=1;
break;
}
}
tif = TIFFClientOpen(name, mode, (thandle_t)ifd,
_tiffReadProc, _tiffWriteProc,
_tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
fSuppressMap ? _tiffDummyMapProc : _tiffMapProc,
fSuppressMap ? _tiffDummyUnmapProc : _tiffUnmapProc);
if (tif)
tif->tif_fd = ifd;
return (tif);
}
#ifndef _WIN32_WCE
/*
* Open a TIFF file for read/writing.
*/
TIFF*
TIFFOpen(const char* name, const char* mode)
{
static const char module[] = "TIFFOpen";
thandle_t fd;
int m;
DWORD dwMode;
TIFF* tif;
m = _TIFFgetMode(mode, module);
switch(m) {
case O_RDONLY: dwMode = OPEN_EXISTING; break;
case O_RDWR: dwMode = OPEN_ALWAYS; break;
case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
default: return ((TIFF*)0);
}
fd = (thandle_t)CreateFileA(name,
(m == O_RDONLY)?GENERIC_READ:(GENERIC_READ | GENERIC_WRITE),
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
(m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
NULL);
if (fd == INVALID_HANDLE_VALUE) {
TIFFErrorExt(0, module, "%s: Cannot open", name);
return ((TIFF *)0);
}
tif = TIFFFdOpen((int)fd, name, mode);
if(!tif)
CloseHandle(fd);
return tif;
}
/*
* Open a TIFF file with a Unicode filename, for read/writing.
*/
TIFF*
TIFFOpenW(const wchar_t* name, const char* mode)
{
static const char module[] = "TIFFOpenW";
thandle_t fd;
int m;
DWORD dwMode;
int mbsize;
char *mbname;
TIFF *tif;
m = _TIFFgetMode(mode, module);
switch(m) {
case O_RDONLY: dwMode = OPEN_EXISTING; break;
case O_RDWR: dwMode = OPEN_ALWAYS; break;
case O_RDWR|O_CREAT: dwMode = OPEN_ALWAYS; break;
case O_RDWR|O_TRUNC: dwMode = CREATE_ALWAYS; break;
case O_RDWR|O_CREAT|O_TRUNC: dwMode = CREATE_ALWAYS; break;
default: return ((TIFF*)0);
}
fd = (thandle_t)CreateFileW(name,
(m == O_RDONLY)?GENERIC_READ:(GENERIC_READ|GENERIC_WRITE),
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, dwMode,
(m == O_RDONLY)?FILE_ATTRIBUTE_READONLY:FILE_ATTRIBUTE_NORMAL,
NULL);
if (fd == INVALID_HANDLE_VALUE) {
TIFFErrorExt(0, module, "%S: Cannot open", name);
return ((TIFF *)0);
}
mbname = NULL;
mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
if (mbsize > 0) {
mbname = (char *)_TIFFmalloc(mbsize);
if (!mbname) {
TIFFErrorExt(0, module,
"Can't allocate space for filename conversion buffer");
return ((TIFF*)0);
}
WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
NULL, NULL);
}
tif = TIFFFdOpen((int)fd,
(mbname != NULL) ? mbname : "<unknown>", mode);
if(!tif)
CloseHandle(fd);
_TIFFfree(mbname);
return tif;
}
#endif /* ndef _WIN32_WCE */
void*
_TIFFmalloc(tmsize_t s)
{
return (malloc((size_t) s));
}
void
_TIFFfree(void* p)
{
free(p);
}
void*
_TIFFrealloc(void* p, tmsize_t s)
{
return (realloc(p, (size_t) s));
}
void
_TIFFmemset(void* p, int v, tmsize_t c)
{
memset(p, v, (size_t) c);
}
void
_TIFFmemcpy(void* d, const void* s, tmsize_t c)
{
memcpy(d, s, (size_t) c);
}
int
_TIFFmemcmp(const void* p1, const void* p2, tmsize_t c)
{
return (memcmp(p1, p2, (size_t) c));
}
#ifndef _WIN32_WCE
#if (_MSC_VER < 1500)
# define vsnprintf _vsnprintf
#endif
static void
Win32WarningHandler(const char* module, const char* fmt, va_list ap)
{
#ifndef TIF_PLATFORM_CONSOLE
LPTSTR szTitle;
LPTSTR szTmp;
LPCTSTR szTitleText = "%s Warning";
LPCTSTR szDefaultModule = "LIBTIFF";
LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
SIZE_T nBufSize = (strlen(szTmpModule) +
strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
return;
sprintf(szTitle, szTitleText, szTmpModule);
szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
MessageBoxA(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
}
TIFFErrorHandler _TIFFwarningHandler = Win32WarningHandler;
static void
Win32ErrorHandler(const char* module, const char* fmt, va_list ap)
{
#ifndef TIF_PLATFORM_CONSOLE
LPTSTR szTitle;
LPTSTR szTmp;
LPCTSTR szTitleText = "%s Error";
LPCTSTR szDefaultModule = "LIBTIFF";
LPCTSTR szTmpModule = (module == NULL) ? szDefaultModule : module;
SIZE_T nBufSize = (strlen(szTmpModule) +
strlen(szTitleText) + strlen(fmt) + 256)*sizeof(char);
if ((szTitle = (LPTSTR)LocalAlloc(LMEM_FIXED, nBufSize)) == NULL)
return;
sprintf(szTitle, szTitleText, szTmpModule);
szTmp = szTitle + (strlen(szTitle)+2)*sizeof(char);
vsnprintf(szTmp, nBufSize-(strlen(szTitle)+2)*sizeof(char), fmt, ap);
MessageBoxA(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
}
TIFFErrorHandler _TIFFerrorHandler = Win32ErrorHandler;
#endif /* ndef _WIN32_WCE */
/* vim: set ts=8 sts=8 sw=8 noet: */
/*
* Local Variables:
* mode: c
* c-basic-offset: 8
* fill-column: 78
* End:
*/