void DrawDisabledButton(TDC& dc, const TRect& rc) { // create a monochrome memory DC // TMemoryDC ddc; TBitmap bmp(ddc, rc.Width(), rc.Height()); ddc.SelectObject(bmp); // build a mask // ddc.PatBlt(0, 0, rc.Width(), rc.Height(), WHITENESS); dc.SetBkColor(TColor::Sys3dFace); ddc.BitBlt(0, 0, rc.Width(), rc.Height(), dc, rc.left, rc.top, SRCCOPY); dc.SetBkColor(TColor::Sys3dHilight); ddc.BitBlt(0, 0, rc.Width(), rc.Height(), dc, rc.left, rc.top, SRCPAINT); // Copy the image from the toolbar into the memory DC // and draw it (grayed) back into the toolbar. // dc.FillRect(rc, TBrush(TColor::Sys3dFace)); dc.SetBkColor(RGB(0, 0, 0)); dc.SetTextColor(RGB(255, 255, 255)); TBrush brShadow(TColor::Sys3dShadow); TBrush brHilight(TColor::Sys3dHilight); dc.SelectObject(brHilight); dc.BitBlt(rc.left+1, rc.top+1, rc.Width(), rc.Height(), ddc, 0, 0, 0x00E20746L); dc.SelectObject(brShadow); dc.BitBlt(rc.left, rc.top, rc.Width(), rc.Height(), ddc, 0, 0, 0x00E20746L); // reset DCs // dc.RestoreBrush(); dc.RestoreBrush(); ddc.RestoreBitmap(); }
//////////////////////////////////////////////////////////// // TBitmap256Control // ----------------- // Display bitmap in DC void TBitmap256Control::DisplayBitmap (TDC& dc, TRect &rect) { // Display a cross if no bitmap if ( pDIBInfo == 0 ) { dc.SelectObject(TPen(TColor::LtGray)); dc.MoveTo (0, 0); dc.LineTo (MaxWidth, MaxHeight); dc.MoveTo (0, MaxHeight); dc.LineTo (MaxWidth, 0); dc.SetTextAlign(TA_CENTER); dc.SetTextColor(TColor::White); dc.SetBkColor(TColor::Black); char tmp[40]; if ( BitmapName[0] != '\0' && BitmapName[0] != '-' ) wsprintf (tmp, "No picture (%s)", BitmapName); else wsprintf (tmp, "No picture"); dc.TextOut (MaxWidth / 2, MaxHeight / 2 - 6, tmp); return; } assert (pBitmapPalette != NULL); // pBitmapPalette->UnrealizeObject(); dc.SelectObject (*pBitmapPalette); dc.RealizePalette(); dc.SetStretchBltMode (COLORONCOLOR); #if 1 TRect ZoomRect; ZoomRect.left = rect.left; ZoomRect.top = rect.top; ZoomRect.right = rect.right; ZoomRect.bottom = rect.bottom; // Convert the rect. size to a rect in the sprite rect.left /= ZoomFactor; rect.top /= ZoomFactor; rect.right /= ZoomFactor; rect.bottom /= ZoomFactor; TRect DIBRect; DIBRect.left = rect.left; DIBRect.top = BitmapYSize - rect.bottom; // DIBs are Y inversed DIBRect.right = DIBRect.left + rect.Width(); DIBRect.bottom = DIBRect.top + rect.Height(); dc.StretchDIBits (ZoomRect, DIBRect, pDIBits, *pDIBInfo, DIB_PAL_COLORS, SRCCOPY); #else // Create memory DC and display bitmap TMemoryDC mdc (dc); mdc.SelectObject (*pBitmapPalette); mdc.SelectObject (*pBitmap); dc.StretchBlt(0, 0, ZoomXSize, ZoomYSize, mdc, 0, 0, BitmapXSize, BitmapYSize, SRCCOPY); // Restore GDI objects mdc.RestoreBitmap(); mdc.RestorePalette(); #endif dc.RestorePalette(); }