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();
}
