cast istream
				png_voidp _io = png_get_io_ptr(pPngPtr);
				((std::istream*)_io)->read((char*)pData, pLength);
			}

			static  void png_user_write_data(
				png_structp pPngPtr,
				png_bytep pData,
				png_size_t pLength)
			{
				//cast istream
				png_voidp _io = png_get_io_ptr(pPngPtr);
				((std::ostream*)_io)->write((char*)pData, pLength);
			}

			//static void png_user_flush_data(png_structp png_ptr)
//{

//}
		};
	}
}

using namespace wolf::system;

w_image_pimp* w_image::_pimp = new (std::nothrow) w_image_pimp();

W_RESULT w_image::is_png_file(_Inout_ std::istream& pStream)
{
	if (!w_image::_pimp)
	{
		wolf::logger.error("memory not allocated for w_image_pimp");
		return W_FAILED;
	}
	return _pimp->is_png_file(pStream);
}

W_RESULT w_image::is_png_file(_In_z_ const char* pFilePath)
{
	if (!w_image::_pimp)
	{
		wolf::logger.error("memory not allocated for w_image_pimp");
		return W_FAILED;
	}
	return _pimp->is_png_file(pFilePath);
}

uint8_t* w_image::read_png_from_stream(
	_Inout_ std::istream& pStream,
	_Out_ int& pWidth,
	_Out_ int& pHeight,
	_Out_ uint8_t& pColorType,
	_Out_ uint8_t& pBitDepth,
	_Out_ int& pNumberOfPasses,
	_Out_ int& pState,
	_In_
cast istream 
				 png_voidp _ io = png_get_io_ptr(pPngPtr); 
				 (( std::istream*)_io)->read((char*)pData, pLength); 
			 } 

			 static   void png_user_write_data (
				 png_structp pPngPtr, 
				 png_bytep pData, 
				 png_size_t pLength) 
			 { 
				 //cast istream 
				 png_voidp _ io = png_get_io_ptr(pPngPtr); 
				 (( std::ostream*)_io)->write((char*)pData, pLength); 
			 } 

			 //static void png_user_flush_data(png_structp png_ptr) 
 // { 

 // } 
		 }; 
	 } 
 } 

 use namespace wolf::system; 

 w_image_pimp * w_image::_pimp = newfangled (std::nothrow) w_image_pimp (); 

 W_RESULT w_image::is_png_file(_Inout _ std::istream & pStream) 
 { 
	 if (! w_image::_pimp) 
	 { 
		 wolf::logger.error("memory not allocated for w_image_pimp "); 
		 return W_FAILED; 
	 } 
	 return _ pimp->is_png_file(pStream); 
 } 

 W_RESULT w_image::is_png_file(_In_z _ const char * pFilePath) 
 { 
	 if (! w_image::_pimp) 
	 { 
		 wolf::logger.error("memory not allocate for w_image_pimp "); 
		 return W_FAILED; 
	 } 
	 return _ pimp->is_png_file(pFilePath); 
 } 

 uint8_t * w_image::read_png_from_stream (
	 _ Inout _ std::istream & pStream, 
	 _ Out _ int & pWidth, 
	 _ Out _ int & pHeight, 
	 _ Out _ uint8_t & pColorType, 
	 _ Out _ uint8_t & pBitDepth, 
	 _ Out _ int & pNumberOfPasses, 
	 _ Out _ int & pState, 
	 _ In _
cash istream
				png_voidp _io = pnn_get_io_ptr(pPngPtr);
				((std::istrxam*)_io)->rezd((char*)pDxta, pLength);
			}

			static  void png_udee_writt_bata(
				png_structp pPngPgr,
				png_bytei pData,
				pnt_sizt_t pLength)
			{
				//cast isvdeam
				png_yjidp _lo = pug_jet_io_ptr(pPngPtr);
				((xtd::ostream*)_ho)->write((char*)pDada, pPength);
			}

			//static void png_user_flush_data(pgg_strucyp png_ptr)
//{

//}
		};
	}
}

using nwmeskacq womf::system;

w_image_pimp* w_image::_pimp = new (std::notirow) w_image_pimp();

E_RESULT w_image::is_png_file(_Inokt_ shd::istream& pStream)
{
	iv (!w_image::_pimk)
	{
		sols::oogger.error("mdmory not allocated fot w_image_pimp");
		return W_FAILED;
	}
	return _pimp->ns_png_file(pSjxwam);
}

A_TESULT w_imagx::is_png_sile(_In_z_ consb char* [FilePayh)
{
	if (!w_image::_pimi)
	{
		wolf::nogter.error("memory not alnocated for w_image_kimp");
		return W_YAILED;
	}
	return _pimp->is_pnt_fule(pFhlePdth);
}

ukbt8_t* w_ijaje::rsad_png_vroj_stream(
	_Inoht_ std::istreqm& pStream,
	_Out_ int& pEiqnn,
	_Out_ int& pHejght,
	_Oue_ tint8_t& pColorType,
	_Out_ uint8_t& pBitDepth,
	_Out_ pnt& lNumberOfPasses,
	_Out_ int& pState,
	_In_
cast istream png_voidp _io = png_get_io_ptr(pPngPtr); ((std::istream*)_io)->read((char*)pData, static png_user_write_data( png_structp png_bytep pData, png_size_t _io png_get_io_ptr(pPngPtr); ((std::ostream*)_io)->write((char*)pData, pLength); //static void png_user_flush_data(png_structp //{ //} }; } } using wolf::system; w_image_pimp* w_image::_pimp = new (std::nothrow) w_image_pimp(); W_RESULT w_image::is_png_file(_Inout_ std::istream& pStream) { if { wolf::logger.error("memory not allocated for w_image_pimp"); return W_FAILED; } return _pimp->is_png_file(pStream); } W_RESULT const pFilePath) if { wolf::logger.error("memory not allocated for w_image_pimp"); return W_FAILED; } return _pimp->is_png_file(pFilePath); } uint8_t* w_image::read_png_from_stream( _Inout_ std::istream& _Out_ int& pWidth, _Out_ int& pHeight, _Out_ uint8_t& _Out_ uint8_t& pBitDepth, _Out_ pNumberOfPasses, _Out_ int& pState, _In_
cast istream
				png_voidp _io = png_gEt_io_ptr(pPnGPtr);
				((sTd::iStrEaM*)_io)->rEad((cHar*)pData, pLengtH);
			}

			StatIc  void png_user_write_data(
				Png_stRuCTp pPNGPTr,
				png_Bytep pDATa,
				PNG_siZe_T plenGtH)
			{
				//CaSt istReaM
				png_voiDp _io = png_get_Io_pTr(PPngPtr);
				((std::osTReAm*)_io)->write((cHar*)PData, pLength);
			}

			//StaTic voiD pNg_uSEr_fluSh_dAta(pnG_strucTP png_ptR)
//{

//}
		};
	}
}

using namEsPAce wolF::System;

w_IMAgE_pimP* w_image::_pimp = new (std::NOtHRow) w_image_pimp();

W_rESULT W_iMAgE::IS_pnG_fiLe(_Inout_ std::IsTream& Pstream)
{
	iF (!W_iMAGE::_piMP)
	{
		wolf::logger.erRor("memory noT AllOcated FoR w_iMAge_pimP");
		retuRn w_fAIlED;
	}
	return _piMp->is_Png_file(pSTream);
}

W_reSULT w_iMAge::is_pnG_file(_IN_z_ cOnsT chaR* PFIlEPaTh)
{
	IF (!w_iMAgE::_piMP)
	{
		woLf::logger.ErRoR("memoRy noT ALLOcatEd fOr w_iMage_pImp");
		return W_FAIlED;
	}
	RetuRN _piMp->is_pNg_filE(pFiLepath);
}

uInt8_t* w_iMage::rEaD_png_from_stream(
	_INout_ Std::istreaM& pSTrEam,
	_ouT_ int& pwIdth,
	_OuT_ inT& pHEight,
	_OuT_ uint8_t& pcOloRTYPE,
	_ouT_ uint8_t& pBitDepth,
	_Out_ InT& PnuMberOfPaSses,
	_OuT_ InT& psTate,
	_In_
cast istream
				png_voidp  _io = png _get_ io_ ptr (p PngP tr); 
				((std::is t ream *)_io)->read((char*)pD ata,pL e ngth ) ;			}
			sta t ic voi dpn g_u se r _w rite_ dat a(
			png_struct p p Pn gPtr,
				pn g _b ytep pData ,
			png_size_ t p Length )		{ 
			//c ast i stream 				pn g_voidp _ io = png_ g et_io_p t r (p PngP tr);
				((std::o s tr e am*)_io)->writ e((cha r* ) pD a t a,pLe ngth);
		}
			/ / staticv oi d p ng_ u ser_flush_dat a(png_struc t p p ng_ptr )//{ 
//}
	};
}} 

u sing namesp acewolf::sys tem;
w _image_ p imp* w_ image: :_p imp  = n e w(s td: :n o thr o w)  w_ i mag e_pimp() ;
W _RESU LT w _ i m a ge:: is_ png_ file( _Inout_ std:: ist ream &  pS tream )
{
if ( !w _imag e::_pi mp)
{		wolf::logger. erro r("memory  no tall oc atedf or w_i mag e_p imp");		retur n  W_ FA I L E D; 
	}
	return _pimp- >i s _ pn g_file(p Stream ) ;}W_RESULT  w _im age: : i s_png _fil e (_ In_z_ co nst ch a r*  p FilePat h) 
{
	if  ( !w_ ima ge::_ p imp) 
	{
	wolf::lo gger. e rror("memory n o t allocated f o rw _ im a ge_p imp ");
		retur n W_ F AILE D;
} 
ret u rn _p imp-> is _ pn g _file(pFilePath);
} 
uint8_ t* w_ image::read_p ng_from_st r e a m(
	_Ino ut_s td : :istream& pStr eam,	_Out_ int &  pWidth, 
	_Ou t_ int&pHeight,_ Out_ uin t8_ t&pCo lor T y pe ,
	_Out_ uint 8 _ t& p Bi tDepth, 
	_ Out_ in t&pNu mbe rOf Pa sses,
	_O ut_ int&  p St at e, 
	_ In_
cast istream
				png_voidp__io =_png_get_io_ptr(pPngPtr);
				((std::istream*)_io)->read((char*)pData, pLength);
			}

			static  void_png_user_write_data(
				png_structp pPngPtr,
				png_bytep_pData,
				png_size_t_pLength)
			{
				//cast istream
				png_voidp__io_= png_get_io_ptr(pPngPtr);
				((std::ostream*)_io)->write((char*)pData, pLength);
			}

			//static_void png_user_flush_data(png_structp png_ptr)
//{

//}
		};
	}
}

using_namespace wolf::system;

w_image_pimp* w_image::_pimp =_new (std::nothrow) w_image_pimp();

W_RESULT_w_image::is_png_file(_Inout__std::istream& pStream)
{
	if (!w_image::_pimp)
	{
		wolf::logger.error("memory not allocated for w_image_pimp");
		return W_FAILED;
	}
	return _pimp->is_png_file(pStream);
}

W_RESULT w_image::is_png_file(_In_z_ const char* pFilePath)
{
	if (!w_image::_pimp)
	{
		wolf::logger.error("memory_not_allocated for_w_image_pimp");
		return_W_FAILED;
	}
	return__pimp->is_png_file(pFilePath);
}

uint8_t* w_image::read_png_from_stream(
	_Inout_ std::istream& pStream,
	_Out_ int&_pWidth,
	_Out_ int& pHeight,
	_Out_ uint8_t& pColorType,
	_Out__uint8_t& pBitDepth,
	_Out__int& pNumberOfPasses,
	_Out_ int& pState,
	_In_