?? libmng_prop_xs.c
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/* ************************************************************************** */
/* * For conditions of distribution and use, * */
/* * see copyright notice in libmng.h * */
/* ************************************************************************** */
/* * * */
/* * project : libmng * */
/* * file : libmng_prop_xs.c copyright (c) 2000-2004 G.Juyn * */
/* * version : 1.0.8 * */
/* * * */
/* * purpose : property get/set interface (implementation) * */
/* * * */
/* * author : G.Juyn * */
/* * * */
/* * comment : implementation of the property get/set functions * */
/* * * */
/* * changes : 0.5.1 - 05/08/2000 - G.Juyn * */
/* * - fixed calling convention * */
/* * - changed strict-ANSI stuff * */
/* * 0.5.1 - 05/11/2000 - G.Juyn * */
/* * - added set_outputprofile2 & set_srgbprofile2 * */
/* * 0.5.1 - 05/12/2000 - G.Juyn * */
/* * - changed trace to macro for callback error-reporting * */
/* * * */
/* * 0.5.2 - 05/23/2000 - G.Juyn * */
/* * - changed inclusion of cms-routines * */
/* * 0.5.2 - 05/24/2000 - G.Juyn * */
/* * - added support for get/set default zlib/IJG parms * */
/* * 0.5.2 - 05/31/2000 - G.Juyn * */
/* * - fixed up punctuation (contribution by Tim Rowley) * */
/* * 0.5.2 - 06/05/2000 - G.Juyn * */
/* * - added support for RGB8_A8 canvasstyle * */
/* * * */
/* * 0.5.3 - 06/21/2000 - G.Juyn * */
/* * - added get/set for speedtype to facilitate testing * */
/* * - added get for imagelevel during processtext callback * */
/* * 0.5.3 - 06/26/2000 - G.Juyn * */
/* * - changed userdata variable to mng_ptr * */
/* * 0.5.3 - 06/29/2000 - G.Juyn * */
/* * - fixed incompatible return-types * */
/* * * */
/* * 0.9.1 - 07/08/2000 - G.Juyn * */
/* * - added get routines for internal display variables * */
/* * - added get/set routines for suspensionmode variable * */
/* * 0.9.1 - 07/15/2000 - G.Juyn * */
/* * - added get/set routines for sectionbreak variable * */
/* * * */
/* * 0.9.2 - 07/31/2000 - G.Juyn * */
/* * - added status_xxxx functions * */
/* * 0.9.2 - 08/05/2000 - G.Juyn * */
/* * - changed file-prefixes * */
/* * * */
/* * 0.9.3 - 10/10/2000 - G.Juyn * */
/* * - added support for alpha-depth prediction * */
/* * 0.9.3 - 10/16/2000 - G.Juyn * */
/* * - added functions to retrieve PNG/JNG specific header-info * */
/* * 0.9.3 - 10/20/2000 - G.Juyn * */
/* * - added get/set for bKGD preference setting * */
/* * 0.9.3 - 10/21/2000 - G.Juyn * */
/* * - added get function for interlace/progressive display * */
/* * * */
/* * 1.0.1 - 04/21/2001 - G.Juyn (code by G.Kelly) * */
/* * - added BGRA8 canvas with premultiplied alpha * */
/* * 1.0.1 - 05/02/2001 - G.Juyn * */
/* * - added "default" sRGB generation (Thanks Marti!) * */
/* * * */
/* * 1.0.2 - 06/23/2001 - G.Juyn * */
/* * - added optimization option for MNG-video playback * */
/* * 1.0.2 - 06/25/2001 - G.Juyn * */
/* * - added option to turn off progressive refresh * */
/* * * */
/* * 1.0.3 - 08/06/2001 - G.Juyn * */
/* * - added get function for last processed BACK chunk * */
/* * * */
/* * 1.0.4 - 06/22/2002 - G.Juyn * */
/* * - B495442 - invalid returnvalue in mng_get_suspensionmode * */
/* * * */
/* * 1.0.5 - 09/14/2002 - G.Juyn * */
/* * - added event handling for dynamic MNG * */
/* * 1.0.5 - 09/22/2002 - G.Juyn * */
/* * - added bgrx8 canvas (filler byte) * */
/* * 1.0.5 - 11/07/2002 - G.Juyn * */
/* * - added support to get totals after mng_read() * */
/* * * */
/* * 1.0.6 - 05/11/2003 - G. Juyn * */
/* * - added conditionals around canvas update routines * */
/* * 1.0.6 - 07/07/2003 - G.R-P * */
/* * - added conditionals around some JNG-supporting code * */
/* * 1.0.6 - 07/11/2003 - G.R-P * */
/* * - added conditionals zlib and jpeg property accessors * */
/* * 1.0.6 - 07/14/2003 - G.R-P * */
/* * - added conditionals around various unused functions * */
/* * * */
/* * 1.0.7 - 11/27/2003 - R.A * */
/* * - added CANVAS_RGB565 and CANVAS_BGR565 * */
/* * 1.0.7 - 12/06/2003 - R.A * */
/* * - added CANVAS_RGBA565 and CANVAS_BGRA565 * */
/* * 1.0.7 - 01/25/2004 - J.S * */
/* * - added premultiplied alpha canvas' for RGBA, ARGB, ABGR * */
/* * 1.0.7 - 03/07/2004 - G. Randers-Pehrson * */
/* * - put gamma, cms-related functions inside #ifdef * */
/* * * */
/* * 1.0.8 - 04/02/2004 - G.Juyn * */
/* * - added CRC existence & checking flags * */
/* * * */
/* ************************************************************************** */
#include "libmng.h"
#include "libmng_data.h"
#include "libmng_error.h"
#include "libmng_trace.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "libmng_objects.h"
#include "libmng_memory.h"
#include "libmng_cms.h"
#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
#pragma option -A /* force ANSI-C */
#endif
/* ************************************************************************** */
/* * * */
/* * Property set functions * */
/* * * */
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_userdata (mng_handle hHandle,
mng_ptr pUserdata)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USERDATA, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
((mng_datap)hHandle)->pUserdata = pUserdata;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USERDATA, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_canvasstyle (mng_handle hHandle,
mng_uint32 iStyle)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CANVASSTYLE, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
switch (iStyle)
{
#ifndef MNG_SKIPCANVAS_RGB8
case MNG_CANVAS_RGB8 : break;
#endif
#ifndef MNG_SKIPCANVAS_RGBA8
case MNG_CANVAS_RGBA8 : break;
#endif
#ifndef MNG_SKIPCANVAS_RGBA8_PM
case MNG_CANVAS_RGBA8_PM: break;
#endif
#ifndef MNG_SKIPCANVAS_ARGB8
case MNG_CANVAS_ARGB8 : break;
#endif
#ifndef MNG_SKIPCANVAS_ARGB8_PM
case MNG_CANVAS_ARGB8_PM: break;
#endif
#ifndef MNG_SKIPCANVAS_RGB8_A8
case MNG_CANVAS_RGB8_A8 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGR8
case MNG_CANVAS_BGR8 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGRX8
case MNG_CANVAS_BGRX8 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGRA8
case MNG_CANVAS_BGRA8 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGRA8_PM
case MNG_CANVAS_BGRA8_PM: break;
#endif
#ifndef MNG_SKIPCANVAS_ABGR8
case MNG_CANVAS_ABGR8 : break;
#endif
#ifndef MNG_SKIPCANVAS_ABGR8_PM
case MNG_CANVAS_ABGR8_PM: break;
#endif
#ifndef MNG_SKIPCANVAS_RGB565
case MNG_CANVAS_RGB565 : break;
#endif
#ifndef MNG_SKIPCANVAS_RGBA565
case MNG_CANVAS_RGBA565 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGR565
case MNG_CANVAS_BGR565 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGRA565
case MNG_CANVAS_BGRA565 : break;
#endif
/* case MNG_CANVAS_RGB16 : break; */
/* case MNG_CANVAS_RGBA16 : break; */
/* case MNG_CANVAS_ARGB16 : break; */
/* case MNG_CANVAS_BGR16 : break; */
/* case MNG_CANVAS_BGRA16 : break; */
/* case MNG_CANVAS_ABGR16 : break; */
/* case MNG_CANVAS_INDEX8 : break; */
/* case MNG_CANVAS_INDEXA8 : break; */
/* case MNG_CANVAS_AINDEX8 : break; */
/* case MNG_CANVAS_GRAY8 : break; */
/* case MNG_CANVAS_GRAY16 : break; */
/* case MNG_CANVAS_GRAYA8 : break; */
/* case MNG_CANVAS_GRAYA16 : break; */
/* case MNG_CANVAS_AGRAY8 : break; */
/* case MNG_CANVAS_AGRAY16 : break; */
/* case MNG_CANVAS_DX15 : break; */
/* case MNG_CANVAS_DX16 : break; */
default : { MNG_ERROR (((mng_datap)hHandle), MNG_INVALIDCNVSTYLE) }
}
((mng_datap)hHandle)->iCanvasstyle = iStyle;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CANVASSTYLE, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_bkgdstyle (mng_handle hHandle,
mng_uint32 iStyle)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BKGDSTYLE, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
switch (iStyle) /* alpha-modes not supported */
{
#ifndef MNG_SKIPCANVAS_RGB8
case MNG_CANVAS_RGB8 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGR8
case MNG_CANVAS_BGR8 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGRX8
case MNG_CANVAS_BGRX8 : break;
#endif
#ifndef MNG_SKIPCANVAS_RGB565
case MNG_CANVAS_RGB565 : break;
#endif
#ifndef MNG_SKIPCANVAS_BGR565
case MNG_CANVAS_BGR565 : break;
#endif
/* case MNG_CANVAS_RGB16 : break; */
/* case MNG_CANVAS_BGR16 : break; */
/* case MNG_CANVAS_INDEX8 : break; */
/* case MNG_CANVAS_GRAY8 : break; */
/* case MNG_CANVAS_GRAY16 : break; */
/* case MNG_CANVAS_DX15 : break; */
/* case MNG_CANVAS_DX16 : break; */
default : MNG_ERROR (((mng_datap)hHandle), MNG_INVALIDCNVSTYLE)
}
((mng_datap)hHandle)->iBkgdstyle = iStyle;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BKGDSTYLE, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_bgcolor (mng_handle hHandle,
mng_uint16 iRed,
mng_uint16 iGreen,
mng_uint16 iBlue)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BGCOLOR, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
((mng_datap)hHandle)->iBGred = iRed;
((mng_datap)hHandle)->iBGgreen = iGreen;
((mng_datap)hHandle)->iBGblue = iBlue;
((mng_datap)hHandle)->bUseBKGD = MNG_FALSE;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_BGCOLOR, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_usebkgd (mng_handle hHandle,
mng_bool bUseBKGD)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USEBKGD, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
((mng_datap)hHandle)->bUseBKGD = bUseBKGD;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_USEBKGD, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_storechunks (mng_handle hHandle,
mng_bool bStorechunks)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_STORECHUNKS, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
((mng_datap)hHandle)->bStorechunks = bStorechunks;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_STORECHUNKS, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_sectionbreaks (mng_handle hHandle,
mng_bool bSectionbreaks)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SECTIONBREAKS, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
((mng_datap)hHandle)->bSectionbreaks = bSectionbreaks;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_SECTIONBREAKS, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_cacheplayback (mng_handle hHandle,
mng_bool bCacheplayback)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CACHEPLAYBACK, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
if (((mng_datap)hHandle)->bHasheader)
MNG_ERROR (((mng_datap)hHandle), MNG_FUNCTIONINVALID)
((mng_datap)hHandle)->bCacheplayback = bCacheplayback;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CACHEPLAYBACK, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_doprogressive (mng_handle hHandle,
mng_bool bDoProgressive)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DOPROGRESSIVE, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
((mng_datap)hHandle)->bDoProgressive = bDoProgressive;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_DOPROGRESSIVE, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_set_crcmode (mng_handle hHandle,
mng_uint32 iCrcmode)
{
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CRCMODE, MNG_LC_START)
#endif
MNG_VALIDHANDLE (hHandle)
((mng_datap)hHandle)->iCrcmode = iCrcmode;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_SET_CRCMODE, MNG_LC_END)
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
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