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git-svn-id: http://moon:8086/svn/software/trunk/libsrc/libtiff_2007@1 b431acfa-c32f-4a4a-93f1-934dc6c82436
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jens
2014-07-19 07:44:42 +00:00
commit f81ae811ca
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contrib/win32/dllshell.c
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dllshell.c ---------------------------------------------------------------
#define STRICT
#include <windows.h>
#pragma hdrstop
#pragma argsused
/* DLL has an entry point LibMain || DllEntryPoint and an exit point WEP. */
#if defined(__FLAT__)
BOOL WINAPI DllEntryPoint(HINSTANCE hinstDll, DWORD fdwRreason,
LPVOID plvReserved)
{
return 1; /* Indicate that the DLL was initialized successfully. */
}
#else /* not flat model */
int FAR PASCAL LibMain(HINSTANCE hInstance, WORD wDataSegment, WORD wHeapSize,
LPSTR lpszCmdLine)
{
/* The startup code for the DLL initializes the local heap(if there is one)
with a call to LocalInit which locks the data segment. */
if ( wHeapSize != 0 )
UnlockData( 0 );
return 1; /* Indicate that the DLL was initialized successfully. */
}
#endif /* __FLAT */
#pragma argsused
int FAR PASCAL WEP ( int bSystemExit )
{
return 1;
}
contrib/win32/libtiff.def
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LIBRARY LIBTIFF
EXETYPE WINDOWS
CODE PRELOAD MOVEABLE DISCARDABLE
DATA PRELOAD MOVEABLE MULTIPLE
HEAPSIZE 4096
STACKSIZE 8192
EXPORTS
_TIFFGetVersion @1
_TIFFClose @2
_TIFFFlush @3
_TIFFFlushData @4
_TIFFGetField @5
_TIFFVGetField @6
_TIFFGetFieldDefaulted @7
_TIFFVGetFieldDefaulted @8
_TIFFReadDirectory @9
_TIFFScanlineSize @10
_TIFFStripSize @11
_TIFFVStripSize @12
_TIFFTileRowSize @13
_TIFFTileSize @14
_TIFFVTileSize @15
_TIFFFileno @16
_TIFFGetMode @17
_TIFFIsTiled @18
_TIFFIsByteSwapped @19
_TIFFCurrentRow @20
_TIFFCurrentDirectory @21
_TIFFCurrentStrip @22
_TIFFCurrentTile @23
_TIFFReadBufferSetup @24
_TIFFLastDirectory @25
_TIFFSetDirectory @26
_TIFFSetSubDirectory @27
_TIFFUnlinkDirectory @28
_TIFFSetField @29
_TIFFVSetField @30
_TIFFWriteDirectory @31
_TIFFReadScanline @32
_TIFFWriteScanline @33
_TIFFReadRGBAImage @34
_TIFFOpen @35
_TIFFFdOpen @36
_TIFFClientOpen @37
_TIFFFileName @38
_TIFFError @39
_TIFFWarning @40
_TIFFSetErrorHandler @41
_TIFFSetWarningHandler @42
_TIFFComputeTile @43
_TIFFCheckTile @44
_TIFFNumberOfTiles @45
_TIFFReadTile @46
_TIFFWriteTile @47
_TIFFComputeStrip @48
_TIFFNumberOfStrips @49
_TIFFReadEncodedStrip @50
_TIFFReadRawStrip @51
_TIFFReadEncodedTile @52
_TIFFReadRawTile @53
_TIFFWriteEncodedStrip @54
_TIFFWriteRawStrip @55
_TIFFWriteEncodedTile @56
_TIFFWriteRawTile @57
_TIFFSetWriteOffset @58
_TIFFSwabShort @59
_TIFFSwabLong @60
_TIFFSwabArrayOfShort @61
_TIFFSwabArrayOfLong @62
_TIFFReverseBits @63
_TIFFGetBitRevTable @64
_TIFFModeCCITTFax3 @65
contrib/win32/readme
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This mail from Scott describes changes to the library that I have
not made because I couldn't figure out exactly where they went.
Anything not in this file has either been placed in the appropriate
directory (e.g. libtiff/tif_win32.c) or applied to the current
source code (e.g. libtiff/tiffiop.h).
Note that the Window NT/Window 95 support is untested; Scott's work
was done with an earlier version of the library. Hopefully this'll
get cleaned up soon.
Sam
Date: Fri, 14 Apr 95 17:01:42 EDT
From: wagner@itek.com (scott wagner)
Message-Id: <9504142101.AA00764@cyan.>
To: sam@cthulhu.engr.sgi.com
Subject: Re: Libtiff for Win32 (Windows NT / Windows 95)
Hi, Sam!
Enclosed are my libtiff for win32 pieces. They are in the form of 3 files
(tif_w32.c, dllshell.c, and libtiff.def), and 2 diffs (for tiffiop.h and
tiffio.h).
Hope this is not too difficult to separate!
Regards,
Scott Wagner (wagner@itek.com)
tif_w32.c ---------------------------------------------------------------
tiffiop.h ---------------------------------------------------------------
tiffio.h ---------------------------------------------------------------
38a39
> #ifdef _TIFFIOP_
39a41,43
> #else
> typedef void TIFF; /* Avoid ANSI undefined structure warning */
> #endif
66a71,75
> #ifdef WIN32 /* WIN32 identifies Win32 compiles */
> #pragma warn -sig /* Turn off Borland warn of long to short int convert */
> #pragma warn -par /* Turn off Borland warn "Parameter x is never used" */
> DECLARE_HANDLE(thandle_t); /* Win32 file handle */
> #else /* if not WIN32_ */
67a77
> #endif /* defined WIN32 */
(Message tiff:1396)
-- using template mhl.format --
Date: Mon, 17 Apr 1995 07:51:03 EDT
To: sam@cthulhu.engr.sgi.com
From: wagner@itek.com (scott wagner)
Subject: Libtiff for Win32
Return-Path: sam@flake.asd.sgi.com
Delivery-Date: Mon, 17 Apr 1995 05:36:50 PDT
Return-Path: sam@flake.asd.sgi.com
Hello, Sam!
> ... libtiff for win32 pieces. They are in the form of 3 files
> (tif_w32.c, dllshell.c, and libtiff.def), and 2 diffs (for tiffiop.h and
> tiffio.h).
>
> I don't understand how these pieces fit together. Can you please explain
> what dllshell.c and libtiff.def are for?
Sorry I was short on documentation here ... I was rushing to get home to
dinner on Friday and the material for you was the last loose end I had to
deal with. Excuses aside ...
The goal of the adaptation of libtiff to Win32 was to replace only one
environment-specific code module and to make minimal changes to header
files. tif_win32.c required one addition to tiffio.h (the
DECLARE_HANDLE line, which is probably a better way to typedef thandle-t
under Windows 3.1 as well); it also required the addition of pv_map_handle
to the tiff structure and the conditional definition of the
TIFFUnmapFileContents macro in tiffiop.h (this because Win32 uses a handle
and a pointer in mapping memory, and I needed to save both).
Additionally, I made a general style change to tiffio.h. If tiffio.h is
included by a client, which does not include tiffiop.h, then ANSI compilers
warn about the typedef of TIFF to a non-existent structure. To avoid this,
I changed the typedef of TIFF in this case to void.
I also made a style change in the tiff structure. All references to tif_fd
in the library treat it as int, yet the tif_fd member itself is short. I
changed this member to int and added the reserved member to maintain
32-bit structure member alignment in a 32 bit environment. [ At cost of
4 more bytes in an already bloated structure! :-) ] As long as fd's are
less than 64k, the old member works; this is not the case in Win32, and is
not generally a safe assumption.
The module dllshell.c and the file libtiff.def are not specific to the
functionality of libtiff; they are used to make a Win32 dynamic link
library, and would be best packaged with a Win32 makefile, which I have
not yet perfected. I will, however, commit to a Borland and Microsoft C
makefile for libtiff; perhaps these two could be combined with the
makefile for the _next_ (!) release of libtiff when it is ready.
Once again, sorry for the confused message on Friday. I hope that at
least tif_w32 and the tiffio.h and tiffiop.h diffs will be useful for
this release.
Regards,
Scott Wagner (wagner@itek.com)
Itek Graphix
Rochester, NY