TEXTPxlShader.cpp: #include <Windows.h> #include "Handles.h" #include "ChipLib.h" HINSTANCE ghInst; DWORD DbgFilter; static const WCHAR ClassName[]= { L"PxlShader" }; #define SIGNATURE_PXLSHADER 0xCD190001 class PxlShader { public: static PxlShader *Ptr(void *pObj); static PxlShader *Ptr(HWND hWnd); static int Create(HWND &hWnd); private: PxlShader(void); ~PxlShader(void); int Create2(void); static INT_PTR CALLBACK WndProc(HWND hWnd, UINT Msg, WPARAM wParm, LPARAM lParm); LRESULT WndProc2(HWND hWnd, UINT Msg, WPARAM wParm, LPARAM lParm); int MsgCreate(HWND hWnd); int MsgDestroy(void); int MsgClose(void); int MsgTimer(void); int MsgPaint(void); //Data DWORD Signature; HWND hWnd; }; int WINAPI WinMain(HINSTANCE hInst, HINSTANCE hPrev, LPSTR pArgs, int nShow) { int Err= ERR_OK; HWND hWnd= 0; ghInst= hInst; MemCreate(); TmpBufCreate(16*1024*1024); if(IsErr(Err= PxlShader::Create(hWnd))) { Err= Error(Err,"WinMain: Unable to create the main window."); } else { while(hWnd && IsWindow(hWnd)) { MSG Msg; GetMessage(&Msg,hWnd,0,0); TranslateMessage(&Msg); DispatchMessage(&Msg); } } TmpBufDestroy(); MemDestroy(); if(IsErr(MemReport())) MessageBox(0,L"PxlShader: Memory error.",L"PxlShader",MB_OK|MB_SETFOREGROUND); return(Err); } void ConsolePrint(DWORD Type, const WCHAR *Text) { TXT Out(0,0,"%s\r\n",Text); OutputDebugString(Out); } PxlShader::PxlShader(void) { Signature= SIGNATURE_PXLSHADER; } PxlShader::~PxlShader(void) { Signature|= SIGNATURE_INVALID; } PxlShader *PxlShader::Ptr(void *pObj) { PxlShader *pPxl= (PxlShader*)pObj; if(!pObj || IsBadPtr(pObj,sizeof(*pPxl),BADPTR_RW) || pPxl->Signature!=SIGNATURE_PXLSHADER) pPxl= 0; return(pPxl); } PxlShader *PxlShader::Ptr(HWND hWnd) { if(!hWnd || !IsWindow(hWnd)) return(0); return(Ptr((void*)GetWindowLongPtr(hWnd,GWLP_USERDATA))); } int PxlShader::Create(HWND &hWnd) { int Err= ERR_OK; PxlShader *pPxl= new PxlShader; if(!pPxl) { Err= Error(ERR_NO_MEM,"PxlShader:Create: NoMem"); } else if(IsErr(Err= pPxl->Create2())) { delete pPxl; } else { hWnd= pPxl->hWnd; } return(Err); } int PxlShader::Create2(void) { int Err= ERR_OK; ATOM hWndClass; WNDCLASS WndClass; RECT R= { 100,100,500,300 }; Zero(WndClass); WndClass.style= CS_DBLCLKS|CS_HREDRAW|CS_VREDRAW; WndClass.lpfnWndProc= WndProc; WndClass.hInstance= ghInst; WndClass.lpszClassName= ClassName; DWORD style= WS_OVERLAPPEDWINDOW|WS_VISIBLE; if(!(hWndClass= RegisterClass(&WndClass))) { Err= Error(ERR_SYSCREATE,"PxlShader:Create2: Unable to register the main window class."); } else if(!(hWnd= CreateWindow(ClassName,L"PxlShader",style,R.left,R.top,RWID(R),RHGT(R),0,0,ghInst,(LPVOID)this))) { Err= Error(ERR_SYSCREATE,"PxlShader:Create2: Unable to create the main window."); } return(Err); } INT_PTR CALLBACK PxlShader::WndProc(HWND hWnd, UINT Msg, WPARAM wParm, LPARAM lParm) { INT_PTR Result= 0; PxlShader *pPxl= 0; if(Msg==WM_CREATE) { CREATESTRUCT *pCreate= (CREATESTRUCT*)lParm; pPxl= Ptr(pCreate->lpCreateParams); } else { pPxl= Ptr(hWnd); } if(!pPxl) { Result= DefWindowProc(hWnd,Msg,wParm,lParm); } else { Result= pPxl->WndProc2(hWnd,Msg,wParm,lParm); } return(Result); } LRESULT PxlShader::WndProc2(HWND hWnd, UINT Msg, WPARAM wParm, LPARAM lParm) { LRESULT Result= 0; switch(Msg) { case WM_CREATE: Result= MsgCreate(hWnd); break; case WM_DESTROY: Result= MsgDestroy(); break; case WM_CLOSE: Result= MsgClose(); break; case WM_TIMER: Result= MsgTimer(); break; case WM_PAINT: Result= MsgPaint(); break; default: Result= DefWindowProc(hWnd,Msg,wParm,lParm); break; } return(Result); } int PxlShader::MsgCreate(HWND _hWnd) { hWnd= _hWnd; SetWindowLongPtr(hWnd,GWLP_USERDATA,(LONG_PTR)this); return(1); } int PxlShader::MsgDestroy(void) { SetWindowLongPtr(hWnd,GWLP_USERDATA,0); delete this; return(1); } int PxlShader::MsgClose(void) { DestroyWindow(hWnd); return(1); } int PxlShader::MsgTimer(void) { return(1); } int PxlShader::MsgPaint(void) { PAINTSTRUCT Pnt; if(BeginPaint(hWnd,&Pnt)) { HBRUSH hbrFill= CreateSolidBrush(RGB(20,30,40)); FillRect(Pnt.hdc,&Pnt.rcPaint,hbrFill); DeleteObject(hbrFill); EndPaint(hWnd,&Pnt); } ValidateRect(hWnd,0); return(1); } //EOF: PXLSHADER.CPP