글씨를 써서 테두리를 만든뒤 그걸 파일로 저장한뒤 불러오는 머 그런 프로그램입니다

글씨의 폰트를 바꿔서 캡쳐한 파일을 저장하기전에 그 전에 썼던 글씨를 지우려하는데

아래와 같이

 for(int iy=0 ; iyHeight + ImgClearH ; iy++)
  for (int ix = 0; ixWidth + ImgClearW; ix++) {

0 부터 지우는데 맨윗줄에 글씨 테두리 잔상이 지워지지 않고 남아있네요... ㅜ.ㅜ

혹시 아시는분 계신지요? ㅡ.ㅡ 제가 어디 실수한 곳이 있나요? ㅡ.ㅡ 답답하네요

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 Canvas->Font->Size=Edit1->Font->Size;
 Canvas->Font->Name=Edit1->Font->Name;
 SetBkMode(Canvas->Handle,TRANSPARENT);

 int x=Bevel1->Left;
 int y=Bevel1->Top;
 AnsiString str=Edit1->Text;

 Canvas->Font->Color=clBlack;
 Canvas->TextOut(x,y-1,str);
 Canvas->TextOut(x-1,y,str);
 Canvas->TextOut(x+1,y,str);
 Canvas->TextOut(x,y+1,str);

 Canvas->Font->Color=clBlue;
 Canvas->TextOut(x,y,str); // TLabel *Label21 = new TLabel(this);
 int cW = Canvas->TextWidth(str);
 int cH = Canvas->TextHeight(str);

 // 이미지 읽을때
  Graphics::TBitmap *p = new Graphics::TBitmap;
  p->Width       = cW+1;//Bevel1->Width;
  p->Height      = cH+1;//Bevel1->Height;
  p->PixelFormat = pf24bit;


  int length = StrLen(Edit1->Text.c_str());
  AnsiString FileName = ExtractFilePath(Application->ExeName) + "dat\\Capture.bmp";
  BitBlt(p->Canvas->Handle,0,0,cW+1,cH+1, GetDC(0),Bevel1->Left+8 , Bevel1->Top+33,cmSrcCopy);

  p->SaveToFile(FileName);

  Graphics::TBitmap * pOpenBmp = new Graphics::TBitmap();     // 이거 나중에 delete해야 함.
  pOpenBmp->LoadFromFile(FileName);

   int ImgClearW = 12 - (pOpenBmp->Width % 12);
   int ImgClearH = 18 - (pOpenBmp->Height % 18);
   int PosX, PosY;
   PosX = CSpinEditX->Value*12;
   PosY = CSpinEditY->Value*18;

//== 화면 잔상 지우기
 for(int iy=0 ; iyHeight + ImgClearH ; iy++)
  for (int ix = 0; ixWidth + ImgClearW; ix++) {
     StringGrid->Canvas->Brush->Color = clWhite;
     StringGrid->Canvas->FillRect(StringGrid->CellRect(ix+PosX,iy+PosY)); //  Graphics::TBitmap *p=GetFormImage();
     ViewImage->Canvas->Pixels[ix][iy]= 16777215;
  }
//== 화면 잔상 지우기

   TRect ImgRect = TRect(0, 0, pOpenBmp->Width, pOpenBmp->Height);
   ViewImage->Width = pOpenBmp->Width;
   ViewImage->Height = pOpenBmp->Height;
   ViewImage->Canvas->StretchDraw(ImgRect, pOpenBmp);

   ViewImage->Left = PosX;
   ViewImage->Top = PosY;

   for(int iy=0; iyHeight; iy++)
  {
  for (int ix = 0; ixWidth; ix++)
    {
   if ((ViewImage->Canvas->Pixels[ix][iy]==0)) {
    StringGrid->Canvas->Brush->Color = clRed;
    StringGrid->Canvas->FillRect(StringGrid->CellRect(ix+PosX,iy+PosY)); //  Graphics::TBitmap *p=GetFormImage();
   }
   if (ViewImage->Canvas->Pixels[ix][iy]==16711680) {
    StringGrid->Canvas->Brush->Color = clBlue;
    StringGrid->Canvas->FillRect(StringGrid->CellRect(ix+PosX,iy+PosY)); //  Graphics::TBitmap *p=GetFormImage();
   }

    }
   }
   delete pOpenBmp;
   delete p;