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/*
Copyright (C) 1998 by Jorrit Tyberghein
Contributions made by Ivan Avramovic <ivan@avramovic.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "cssysdef.h"
#include "imgplex.h"
#include "iutil/plugin.h"
#include "iutil/strvec.h"
#include "csgfx/csimage.h"
#include "iutil/eventh.h"
#include "iutil/comp.h"
#include "iutil/objreg.h"
#include "ivaria/reporter.h"
#define MY_CLASSNAME "crystalspace.graphic.image.io.multiplex"
CS_IMPLEMENT_PLUGIN
SCF_IMPLEMENT_IBASE(csMultiplexImageIO);
SCF_IMPLEMENTS_INTERFACE(iImageIO);
SCF_IMPLEMENTS_EMBEDDED_INTERFACE(iComponent);
SCF_IMPLEMENT_IBASE_END;
SCF_IMPLEMENT_EMBEDDED_IBASE (csMultiplexImageIO::eiComponent)
SCF_IMPLEMENTS_INTERFACE (iComponent)
SCF_IMPLEMENT_EMBEDDED_IBASE_END
SCF_IMPLEMENT_FACTORY(csMultiplexImageIO);
SCF_EXPORT_CLASS_TABLE (imgplex)
SCF_EXPORT_CLASS (csMultiplexImageIO,
MY_CLASSNAME, "Image file format multiplex plug-in.")
SCF_EXPORT_CLASS_TABLE_END
csMultiplexImageIO::csMultiplexImageIO (iBase *pParent)
{
SCF_CONSTRUCT_IBASE (pParent);
SCF_CONSTRUCT_EMBEDDED_IBASE(scfiComponent);
}
csMultiplexImageIO::~csMultiplexImageIO ()
{
int i;
for (i=0; i < list.Length (); i++)
((iImageIO*)list.Get (i))->DecRef ();
}
bool csMultiplexImageIO::Initialize (iObjectRegistry *object_reg)
{
if (object_reg)
{
iPluginManager* plugin_mgr = CS_QUERY_REGISTRY (object_reg, iPluginManager);
iStrVector* classlist =
iSCF::SCF->QueryClassList ("crystalspace.graphic.image.io.");
int const nmatches = classlist->Length();
if (nmatches != 0)
{
int i;
for (i = 0; i < nmatches; i++)
{
char const* classname = classlist->Get(i);
if (strcasecmp (classname, MY_CLASSNAME))
{
iImageIO *plugin = CS_LOAD_PLUGIN (plugin_mgr, classname, iImageIO);
if (plugin)
{
// remember the plugin
list.Push (plugin);
// and load its description, since we gonna return it on request
StoreDesc (plugin->GetDescription ());
}
}
}
}
classlist->DecRef();
plugin_mgr->DecRef ();
return (list.Length() > 0);
}
return false;
}
void csMultiplexImageIO::StoreDesc (const csVector& format)
{
// add the formats coming in to our ever growing list
int i;
for (i=0; i < format.Length (); i++)
formats.Push ((csSome)format.Get (i));
}
const csVector& csMultiplexImageIO::GetDescription ()
{
return formats;
}
iImage *csMultiplexImageIO::Load (uint8* iBuffer, uint32 iSize, int iFormat)
{
int i;
for (i=0; i<list.Length(); i++)
{
iImageIO *pIO = (iImageIO*)list.Get(i);
iImage *img = pIO->Load(iBuffer, iSize, iFormat);
if (img) return img;
}
return NULL;
}
/**
* Set global image dithering option.<p>
* By default this option is disabled. If you enable it, all images will
* be dithered both after loading and after mipmapping/scaling. This will
* affect all truecolor->paletted image conversions.
*/
void csMultiplexImageIO::SetDithering (bool iEnable)
{
extern bool csImage_dither;
csImage_dither = iEnable;
}
iDataBuffer *csMultiplexImageIO::Save (
iImage *image, iImageIO::FileFormatDescription *format)
{
int i;
for (i=0; i<list.Length(); i++)
{
iImageIO *pIO = (iImageIO*)list.Get(i);
iDataBuffer *buf = pIO->Save(image, format);
if (buf) return buf;
}
return NULL;
}
iDataBuffer *csMultiplexImageIO::Save (iImage *image, const char *mime)
{
int i;
for (i=0; i<list.Length(); i++)
{
iImageIO *pIO = (iImageIO*)list.Get(i);
iDataBuffer *buf = pIO->Save(image, mime);
if (buf) return buf;
}
return NULL;
}
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