#include "myWin.h"
#define SCALE 2
static HBITMAP hB1; static BITMAP bB1; //HWND hwS;
static HDC hBuff;
static int imode=0;
static OPENFILENAME CC;
static TCHAR strFile[2048],strFileTitle[128];
static TCHAR sFilter[]=TEXT("Text Files\0*.bmp\0All Files\0*.*\0");
void procLButtonDown(HWND hw, WPARAM wp,LPARAM lp){         //‘ΆƒNƒŠƒbƒNŽžˆ—
	if(GetOpenFileName(&CC)){  //  GetSaveFileName(&CC)‚ɕύX‚·‚ι‚Ζ•Ϋ‘Ά
	   HBITMAP hhB=(HBITMAP)LoadImage(0,CC.lpstrFile,IMAGE_BITMAP,0,0,LR_LOADFROMFILE);
	   if(hhB==NULL){
		 MessageBox(hw,TEXT("Error"),TEXT("Error"),MB_OK); return;
	   }
	   DeleteObject(hB1); hB1=hhB;
	}
	InvalidateRect(hw,NULL, TRUE);
}
void procCreate(HWND hw, WPARAM wp,LPARAM lp){              //‘CreateŽžˆ—
	CC.lStructSize      =sizeof(OPENFILENAME);
	CC.hwndOwner        =hw          ; CC.hInstance     =hInstance;
	CC.lpstrFilter      =sFilter     ; CC.nFilterIndex  =1;
	CC.lpstrCustomFilter=NULL        ; CC.nMaxCustFilter=0;
	CC.lpstrFile        =strFile     ; CC.nMaxFile      =2048;
	CC.lpstrFileTitle   =strFileTitle; CC.nMaxFileTitle =128;
	CC.lpstrInitialDir  =TEXT("D:\\"); CC.lpstrTitle    =TEXT("ƒ‰ƒXƒ^ƒIƒyƒŒ[ƒVƒ‡ƒ“");
	CC.lpstrDefExt      =TEXT("bmp") ; CC.Flags         =0;
	imode=0;
	SetWindowText(hw,TEXT("0 ˜g•, ‰~”’, rop=SRCAND"  ));
	MoveWindow(hw,0,0,440,440,TRUE);
	procLButtonDown(hw,wp,lp);
}
void procRButtonDown(HWND hw, WPARAM wp,LPARAM lp){
	imode++; if(imode>7) imode=0;
	TCHAR str[256];
	switch(imode){
	case 0: lstrcpy(str,TEXT("0 ˜g•, ‰~”’, rop=SRCAND"     )); break;
	case 1: lstrcpy(str,TEXT("1 ˜g•, ‰~”’, rop=MERGEPAINT" )); break;
	case 2: lstrcpy(str,TEXT("2 ˜g•, ‰~”’, rop=NOTSRCERASE")); break;
	case 3: lstrcpy(str,TEXT("3 ˜g•, ‰~”’, rop=SRCPAINT"   )); break;
	case 4: lstrcpy(str,TEXT("4 ˜g”’, ‰~•, rop=SRCPAINT"   )); break;
	case 5: lstrcpy(str,TEXT("5 ˜g”’, ‰~•, rop=PATPAINT"   )); break;
	case 6: lstrcpy(str,TEXT("6 ˜g”’, ‰~•, rop=SRCERASE"   )); break;
	case 7: lstrcpy(str,TEXT("7 ˜g”’, ‰~•, rop=SRCINVERT"  )); break;
	}
	SetWindowText(hw, str );
	InvalidateRect(hw, NULL,TRUE);
}
void procPaint(HWND hw, WPARAM wp,LPARAM lp){
	GetObject(hB1,sizeof(BITMAP), &bB1);
	PAINTSTRUCT ps;	RECT rect;
	HDC hdc  = BeginPaint(hw,&ps);GetClientRect(hw,&rect);
	hBuff= CreateCompatibleDC(hdc);HBRUSH h1;
	int C1=0, C2=0xFFFFFF;
	if(imode>=4){C1=0xFFFFFF, C2=0;}
	h1=CreateSolidBrush(C1); SelectObject(hdc,h1);
	Rectangle(hdc,0,0,420,400);  DeleteObject(h1);
	h1=CreateSolidBrush(C2); SelectObject(hdc,h1);
	Ellipse(hdc, 30,20,390,380); DeleteObject(h1);
	SelectObject(hBuff,hB1);DWORD rop;
	switch(imode){
	case 0: rop=SRCAND     ; break;
	case 1: rop=MERGEPAINT ; break;
	case 2: rop=NOTSRCERASE; break;
	case 3: rop=SRCPAINT   ; break;
	case 4: rop=SRCPAINT   ; break;
	case 5: rop=PATPAINT   ; break;
	case 6: rop=SRCERASE   ; break;
	case 7: rop=SRCINVERT  ; break;
	
	}
	BitBlt(hdc,10,0,410,400, hBuff,0,0,rop);
	DeleteDC(hBuff);
	EndPaint(hw,&ps);
}
LRESULT CALLBACK WndProc(HWND hw, UINT msg, WPARAM wp,LPARAM lp){//‘Window Procedure
	switch(msg){
	case WM_DESTROY       : PostQuitMessage(0);DeleteObject(hB1);         ; return 0;
	case WM_CREATE        : procCreate(hw,wp,lp)       ; return 0;
	case WM_PAINT         : procPaint(hw,wp,lp)        ; return 0;
	case WM_LBUTTONDOWN   : procLButtonDown(hw,wp,lp)  ; break;
	case WM_RBUTTONDOWN   : procRButtonDown(hw,wp,lp)  ; break;
	}
	return DefWindowProc(hw,msg,wp,lp);
}