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();
}
//
/// Creates a bitmap object from the given metaFile using the given palette and size
/// arguments.
//
TBitmap::TBitmap(const TMetaFilePict& metaFile, TPalette& palette, const TSize& defSize)
{
// Adjust size to final metafile size as needed
//
TMemoryDC memDC;
TSize size = metaFile.CalcPlaySize(memDC, defSize);
// Create bitmap, either mono or screen compatible
//
uint16 nColors;
palette.GetObject(nColors);
if (nColors > 2) {
TScreenDC dc;
Handle = ::CreateCompatibleBitmap(dc, size.cx, size.cy);
}
else
Handle = ::CreateBitmap(size.cx, size.cy, 1, 1, 0);
CheckValid();
RefAdd(Handle, Bitmap);
// clear bitmap, then play metafile onto it
//
memDC.SelectObject(*this);
memDC.SelectStockObject(WHITE_BRUSH);
memDC.PatBlt(0, 0, size.cx, size.cy);
memDC.SelectObject(palette, false);
metaFile.PlayOnto(memDC, size);
TRACEX(OwlGDI, OWL_CDLEVEL, "TBitmap constructed @" << (void*)this <<
" from metafile @" << (void*)&metaFile << ".");
}
