void CRender::SelectItemsWithin(const RectF &r)
{
CComPtr<boost::scoped_lock_ref_counted> lock;
CComPtr<IGraphItem> item;
CComPtr<IUnknown> unk;
CComQIPtr<IRenderer> ir;
RectF box;
IGraphItemVector results;
m_graph->GetChildren(results);
for(IGraphItemVector::iterator itr=results.begin(); itr!=results.end(); ++itr)
{
item=*itr;
unk=item->GetPropertyUnknown(0);
if(unk)
{
ir=static_cast<IRenderer*>(unk.p);
if(ir!=0)
{
ir->GetBoundsBox(box);
if(box.IntersectsWith(r))
ir->SetSelected(true, true);
}
}
}
}
void CRevisionGraphWnd::DrawStripes (GraphicsDevice& graphics, const CSize& offset)
{
// we need to fill this visible area of the the screen
// (even if there is graph in that part)
RectF clipRect;
if (graphics.graphics)
graphics.graphics->GetVisibleClipBounds (&clipRect);
// don't show stripes if we don't have multiple roots
CSyncPointer<const ILayoutRectList> trees (m_state.GetTrees());
if (trees->GetCount() < 2)
return;
// iterate over all trees
for ( index_t i = 0, count = trees->GetCount(); i < count; ++i)
{
// screen coordinates covered by the tree
CRect tree = trees->GetRect(i);
REAL left = tree.left * m_fZoomFactor;
REAL right = tree.right * m_fZoomFactor;
RectF rect ( left - offset.cx
, clipRect.Y
, i+1 == count ? clipRect.Width : right - left
, clipRect.Height);
// relevant?
if (rect.IntersectsWith (clipRect))
{
// draw the background stripe
Color color ( (i & 1) == 0
? m_Colors.GetColor (CColors::gdpStripeColor1)
: m_Colors.GetColor (CColors::gdpStripeColor2));
if (graphics.graphics)
{
SolidBrush brush (color);
graphics.graphics->FillRectangle (&brush, rect);
}
else if (graphics.pSVG)
graphics.pSVG->RoundedRectangle((int)rect.X, (int)rect.Y, (int)rect.Width, (int)rect.Height,
color, 1, color);
}
}
}