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[devel] Changed Windows calling convention back to __cdecl for API functions.

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For Windows/x86 platforms only:
  __stdcall is no longer needed for Visual Basic, so libpng-1.5.0 uses
  __cdecl throughout (both API functions and callbacks) on Windows/x86
  platforms.
This commit is contained in:
Glenn Randers-Pehrson
2010-04-24 09:40:44 -05:00
parent c3d73f4da9
commit 9ee577c7f5
7 changed files with 117 additions and 107 deletions
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22
projects/visualc6/pnglibconf.h
View File

@@ -1,6 +1,7 @@
/* 1.5.0beta19 STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */
/* libpng version 1.5.0beta17 - April 2, 2010 */
/* libpng version 1.5.0beta19 - April 2, 2010 */
/* Copyright (c) 1998-2010 Glenn Randers-Pehrson */
@@ -8,17 +9,12 @@
/* For conditions of distribution and use, see the disclaimer */
/* and license in png.h */
/* This file generates a libpng library with no STDIO support,
* it is provided to allow generation of a DLL suitable for use
* with Visual Basic and for no other purpose.
*/
/* pnglibconf.h */
/* Machine generated file: DO NOT EDIT */
/* Derived from: scripts/pnglibconf.dfa with PNG_NO_STDIO */
/* Derived from: scripts/pnglibconf.dfa */
#ifndef PNGLCONF_H
#define PNGLCONF_H
/* settings */
#define PNG_USER_PRIVATEBUILD "libpng DLL for use with Visual Basic"
#define PNG_USER_DLLFNAME_POSTFIX "VB"
#define PNG_CALLOC_SUPPORTED
#define PNG_USER_WIDTH_MAX 1000000L
#define PNG_API_RULE 0
@@ -36,17 +32,23 @@
#define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
#define PNG_USER_LIMITS_SUPPORTED
#define PNG_FIXED_POINT_SUPPORTED
/*#undef PNG_ERROR_NUMBERS_SUPPORTED*/
#define PNG_ERROR_TEXT_SUPPORTED
#define PNG_READ_SUPPORTED
/*#undef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED*/
/*#undef PNG_BENIGN_ERRORS_SUPPORTED*/
#define PNG_SETJMP_SUPPORTED
#define PNG_WRITE_FLUSH_SUPPORTED
#define PNG_MNG_FEATURES_SUPPORTED
#define PNG_FLOATING_POINT_SUPPORTED
/*#undef PNG_INCH_CONVERSIONS_SUPPORTED*/
#define PNG_STDIO_SUPPORTED
#define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
#define PNG_USER_MEM_SUPPORTED
#define PNG_IO_STATE_SUPPORTED
#define PNG_SET_USER_LIMITS_SUPPORTED
#define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_WRITE_INT_FUNCTIONS_SUPPORTED
#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_WRITE_FILTER_SUPPORTED
#define PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
@@ -83,6 +85,7 @@
#define PNG_READ_SHIFT_SUPPORTED
#define PNG_CONVERT_tIME_SUPPORTED
#define PNG_READ_USER_TRANSFORM_SUPPORTED
#define PNG_READ_INT_FUNCTIONS_SUPPORTED
#define PNG_READ_USER_CHUNKS_SUPPORTED
#define PNG_READ_hIST_SUPPORTED
#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
@@ -90,6 +93,7 @@
#define PNG_READ_COMPOSITE_NODIV_SUPPORTED
#define PNG_SEQUENTIAL_READ_SUPPORTED
#define PNG_READ_BACKGROUND_SUPPORTED
#define PNG_READ_QUANTIZE_SUPPORTED
#define PNG_READ_iCCP_SUPPORTED
#define PNG_READ_STRIP_ALPHA_SUPPORTED
#define PNG_READ_PACKSWAP_SUPPORTED
@@ -103,9 +107,11 @@
#define PNG_READ_tIME_SUPPORTED
#define PNG_READ_pHYs_SUPPORTED
#define PNG_WRITE_SWAP_ALPHA_SUPPORTED
#define PNG_TIME_RFC1123_SUPPORTED
#define PNG_READ_TEXT_SUPPORTED
#define PNG_WRITE_BGR_SUPPORTED
#define PNG_USER_CHUNKS_SUPPORTED
#define PNG_CONSOLE_IO_SUPPORTED
#define PNG_GET_INT_32_SUPPORTED
#define PNG_WRITE_PACK_SUPPORTED
#define PNG_READ_FILLER_SUPPORTED

17
projects/visualc71/README.txt
View File

@@ -6,10 +6,6 @@ This code is released under the libpng license.
For conditions of distribution and use, see copyright notice in png.h
Changes in libpng 15:
* The standard calling convention (used in all builds) is __stdcall for
libpng exported functions and __cdecl for function callbacks.
Consequently the VB configuration is no longer required but is provided
in libpng15vb.dll for backward compatibility.
* The DEF file is no longer required, the DLLs link by name. A standard
DEF file, pngwin.def, is included in the distribution for applications
that require link by number (ordinal), builds that require link by
@@ -18,9 +14,14 @@ Changes in libpng 15:
Assumptions:
* The libpng source files are in ..\..
* The zlib source files are in ..\..\..\zlib
* The zlib project file is in . /* Warning: This is until the zlib project
files get intergrated into the next zlib release. The final zlib project
directory will then be ..\..\..\zlib\projects\visualc71. */
The source files must be from zlib version 1.2.3 - this project file
will not work with any other version.
* The zlib project file is in .
You may delete the zlib project from the solution and use the official
zlib build instead - take care to link against either zlib.lib or zdll.lib
as appropriate. You must do this if you want to use a version of zlib other
than zlib-1.2.3!
To use:
@@ -46,7 +47,7 @@ This project builds the libpng binaries as follows:
* Win32_DLL_Release\libpng15.dll DLL build
* Win32_DLL_Debug\libpng15d.dll DLL build (debug version)
* Win32_DLL_VB\libpng15vb.dll DLL build for Visual Basic, using stdcall
* Win32_DLL_VB\libpng15vb.dll DLL build for Visual Basic (no stdio)
* Win32_LIB_Release\libpng.lib static build
* Win32_LIB_Debug\libpngd.lib static build (debug version)

22
projects/visualc71/pnglibconf.h
View File

@@ -1,6 +1,7 @@
/* 1.5.0beta19 STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */
/* libpng version 1.5.0beta17 - April 2, 2010 */
/* libpng version 1.5.0beta19 - April 2, 2010 */
/* Copyright (c) 1998-2010 Glenn Randers-Pehrson */
@@ -8,17 +9,12 @@
/* For conditions of distribution and use, see the disclaimer */
/* and license in png.h */
/* This file generates a libpng library with no STDIO support,
* it is provided to allow generation of a DLL suitable for use
* with Visual Basic and for no other purpose.
*/
/* pnglibconf.h */
/* Machine generated file: DO NOT EDIT */
/* Derived from: scripts/pnglibconf.dfa with PNG_NO_STDIO */
/* Derived from: scripts/pnglibconf.dfa */
#ifndef PNGLCONF_H
#define PNGLCONF_H
/* settings */
#define PNG_USER_PRIVATEBUILD "libpng DLL for use with Visual Basic"
#define PNG_USER_DLLFNAME_POSTFIX "VB"
#define PNG_CALLOC_SUPPORTED
#define PNG_USER_WIDTH_MAX 1000000L
#define PNG_API_RULE 0
@@ -36,17 +32,23 @@
#define PNG_WRITE_UNKNOWN_CHUNKS_SUPPORTED
#define PNG_USER_LIMITS_SUPPORTED
#define PNG_FIXED_POINT_SUPPORTED
/*#undef PNG_ERROR_NUMBERS_SUPPORTED*/
#define PNG_ERROR_TEXT_SUPPORTED
#define PNG_READ_SUPPORTED
/*#undef PNG_READ_16_TO_8_ACCURATE_SCALE_SUPPORTED*/
/*#undef PNG_BENIGN_ERRORS_SUPPORTED*/
#define PNG_SETJMP_SUPPORTED
#define PNG_WRITE_FLUSH_SUPPORTED
#define PNG_MNG_FEATURES_SUPPORTED
#define PNG_FLOATING_POINT_SUPPORTED
/*#undef PNG_INCH_CONVERSIONS_SUPPORTED*/
#define PNG_STDIO_SUPPORTED
#define PNG_READ_UNKNOWN_CHUNKS_SUPPORTED
#define PNG_USER_MEM_SUPPORTED
#define PNG_IO_STATE_SUPPORTED
#define PNG_SET_USER_LIMITS_SUPPORTED
#define PNG_READ_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_WRITE_INT_FUNCTIONS_SUPPORTED
#define PNG_WRITE_ANCILLARY_CHUNKS_SUPPORTED
#define PNG_WRITE_FILTER_SUPPORTED
#define PNG_SET_CHUNK_CACHE_LIMIT_SUPPORTED
@@ -83,6 +85,7 @@
#define PNG_READ_SHIFT_SUPPORTED
#define PNG_CONVERT_tIME_SUPPORTED
#define PNG_READ_USER_TRANSFORM_SUPPORTED
#define PNG_READ_INT_FUNCTIONS_SUPPORTED
#define PNG_READ_USER_CHUNKS_SUPPORTED
#define PNG_READ_hIST_SUPPORTED
#define PNG_WRITE_WEIGHTED_FILTER_SUPPORTED
@@ -90,6 +93,7 @@
#define PNG_READ_COMPOSITE_NODIV_SUPPORTED
#define PNG_SEQUENTIAL_READ_SUPPORTED
#define PNG_READ_BACKGROUND_SUPPORTED
#define PNG_READ_QUANTIZE_SUPPORTED
#define PNG_READ_iCCP_SUPPORTED
#define PNG_READ_STRIP_ALPHA_SUPPORTED
#define PNG_READ_PACKSWAP_SUPPORTED
@@ -103,9 +107,11 @@
#define PNG_READ_tIME_SUPPORTED
#define PNG_READ_pHYs_SUPPORTED
#define PNG_WRITE_SWAP_ALPHA_SUPPORTED
#define PNG_TIME_RFC1123_SUPPORTED
#define PNG_READ_TEXT_SUPPORTED
#define PNG_WRITE_BGR_SUPPORTED
#define PNG_USER_CHUNKS_SUPPORTED
#define PNG_CONSOLE_IO_SUPPORTED
#define PNG_GET_INT_32_SUPPORTED
#define PNG_WRITE_PACK_SUPPORTED
#define PNG_READ_FILLER_SUPPORTED