/******************************************************** * Some code. Copyright (C) 2003 by Pascal Massimino.   * * All Rights Reserved.      (http://skal.planet-d.net) * * For Educational/Academic use ONLY. See 'LICENSE.TXT'.* ********************************************************//* * skl_cvrt_map.cpp * * SKL_CONVERTER_MAP ********************************************************/#include "skl.h"#include "skl_2d/skl_btm_cvrt.h"#include "skl_syst/skl_exception.h"//////////////////////////////////////////////////////////// SKL_CONVERTER_MAP//////////////////////////////////////////////////////////SKL_CONVERTER_MAP::SKL_CONVERTER_MAP(SKL_FORMAT In, SKL_FORMAT Out)  : _In(In), _Out(Out), _Func(0){  if (_In==_Out)    Init_Copier();  else if (_In==SKL_FORMAT::Colormapped())    Init_Colormapper();  else     Init_Converter();}void SKL_CONVERTER_MAP::Print_Infos() const {  printf( "Format In:0x%x Out:0x%x\n", (SKL_UINT32)_In, (SKL_UINT32)_Out);}//////////////////////////////////////////////////////////// 5 situations://   Same in/out format : needs a raw copy//   Colormap->Truecol  : needs indexer//   Truecol->Truecol   : needs converter//   Truecol->Colormap  : needs a 0x10332 RGB-cubed colormap//   Colormap->Colormap : needs color-matcher (not implemented yet)void SKL_CONVERTER_MAP::Init_Colormapper(){  if ( _Out==SKL_FORMAT::Colormapped() )    Skl_Throw( SKL_EXCEPTION( "Color matcher not implemented" ) );  _Func = Skl_Get_Cvrt_Convert_Ops( 1, _Out.Depth() );}void SKL_CONVERTER_MAP::Init_Copier(){  SKL_ASSERT(_In==_Out);  _Func = Skl_Get_Cvrt_Copy_Ops( _Out.Depth() );}void SKL_CONVERTER_MAP::Init_Converter(){  if (_Out==SKL_FORMAT::Colormapped()) // install RGB-cube 332...    _Out = 0x10332;  _Func = Skl_Get_Cvrt_Convert_Ops(_In.Depth(), _Out.Depth());  Make_Convert_Table(_In, _Out, _Map[0], _Map[1], _Map[2], _Map[3]);}//////////////////////////////////////////////////////////void SKL_CONVERTER_MAP::Make_Convert_Table(SKL_FORMAT In, SKL_FORMAT Out,                                           SKL_UINT32 *M1, SKL_UINT32 *M2,                                           SKL_UINT32 *M3, SKL_UINT32 *M4 ){  SKL_ASSERT(In!=SKL_FORMAT::Colormapped() && Out!=SKL_FORMAT::Colormapped());  SKL_FORMAT_SHIFT in(In);  SKL_FORMAT_SHIFT out(Out);  for(int i=0; i<256; ++i ) {    SKL_ARGB Tmp;    if (M1!=0) {      Tmp = in.Unpack(i<<0);      M1[i] = out.Pack(Tmp);    }    if (M2!=0) {      Tmp = in.Unpack(i<<8);      M2[i] = out.Pack(Tmp);    }    if (M3!=0) {      Tmp = in.Unpack(i<<16);      M3[i] = out.Pack(Tmp);    }    if (M4!=0) {      Tmp = in.Unpack(i<<24);      M4[i] = out.Pack(Tmp);    }  }//  for(i=0; i<Size; ++i ) printf( "0x%x: 0x%.8x 0x%.8x 0x%.8x  0x%.8x\n", i, M1[i], M2[i], M3[i], M4[i] );}void SKL_CONVERTER_MAP::Convert_And_Store_CMap(SKL_BTM &Dst,                                                const SKL_CMAP_X &CMap){  SKL_ASSERT(!Dst.Is_Colormapped());  SKL_FORMAT_SHIFT out(Dst.Format());  for(int i=0; i<CMap.Get_Nb_Colors(); ++i)  {    SKL_ARGB Tmp = CMap[i];    _Map[0][i] = out.Pack( Tmp );  }}void SKL_CONVERTER_MAP::Store_RGB_Cube(SKL_BTM *Dst){    // TODO: this is a hack.    // best would be to retrieve Dst's cmap and adapt...  SKL_CMAP_X Map_X;  Map_X.RGB_Cube( Get_Out_Format() );//  printf( "Installing 332-RGB-Cube...\n" );  Dst->Set_CMap(Map_X);  Dst->Store_CMap();}//////////////////////////////////////////////////////////// multi-user management (->share cvrt tables for same in/out)SKL_CONVERTER_MAP *SKL_CONVERTER_MAP::Get_Or_Make_Map(SKL_FORMAT In, SKL_FORMAT Out){  SKL_CONVERTER_MAP *New = new (SKL_MEM) SKL_CONVERTER_MAP(In, Out);  return New;}void SKL_CONVERTER_MAP::Dispose() {  SKL_MEM->Delete(this, sizeof(*this));  // wow!}//////////////////////////////////////////////////////////