bool MythFillDatabaseTask::DoCheckRun(QDateTime now)
{
if (!gCoreContext->GetNumSetting("MythFillEnabled", 1))
{
// we don't want to run this manually, so abort early
LOG(VB_GENERAL, LOG_DEBUG, "MythFillDatabase is disabled. Cannot run.");
return false;
}
// if (m_running)
// // we're still running from the previous pass, so abort early
// return false;
if (UseSuggestedTime())
{
QDateTime nextRun = MythDate::fromString(
gCoreContext->GetSetting("MythFillSuggestedRunTime",
"1970-01-01T00:00:00"));
LOG(VB_GENERAL, LOG_DEBUG,
QString("MythFillDatabase scheduled to run at %1.")
.arg(nextRun.toString()));
if (nextRun > now)
// not yet time
return false;
if (InWindow(now))
// we're inside our permitted window
return true;
return false;
}
else
{
// just let DailyHouseKeeperTask handle things
LOG(VB_GENERAL, LOG_DEBUG, "Performing daily run check.");
return DailyHouseKeeperTask::DoCheckRun(now);
}
}
//
// ICWindow::HandleEvent
//
// Handle input events
//
U32 ICWindow::HandleEvent(Event &e)
{
if (e.type == Input::EventID())
{
// Input events
switch (e.subType)
{
case Input::MOUSEBUTTONDOWN:
{
if (e.input.code == Input::LeftButtonCode())
{
if (InWindow(Point<S32>(e.input.mouseX, e.input.mouseY)))
{
// Raise window
SendNotify(this, ICWindowMsg::Raise, FALSE);
// Handled
return (TRUE);
}
}
break;
}
case Input::KEYDOWN:
case Input::KEYREPEAT:
{
switch (e.input.code)
{
case DIK_TAB:
{
// If nothing has the focus then activate the first tab stop control
if (IFace::GetFocus() == NULL)
{
SetTabStop(NULL, TRUE);
// Handled
return (TRUE);
}
// Not handled
break;
}
case DIK_ESCAPE:
{
// If modal then issue the Window::Close notification
if ((controlStyle & STYLE_MODAL) && !(windowStyle & STYLE_NOSYSBUTTONS))
{
// Close window
SendNotify(this, ICWindowMsg::Close, FALSE);
// Handled
return (TRUE);
}
// Not handled
break;
}
}
// Not handled
break;
}
}
}
else
if (e.type == IFace::EventID())
{
switch (e.subType)
{
// Notification events
case IFace::NOTIFY:
{
switch (e.iface.p1)
{
case ICWindowMsg::Raise:
{
// Raise the window
SetZPos(0);
// Handled
return (TRUE);
}
case ICWindowMsg::Close:
{
// Close window
Deactivate();
// Handled
return (TRUE);
}
case ICWindowMsg::Maximize:
case ICWindowMsg::Minimize:
{
// Not implemented
break;
}
case ICWindowMsg::Destroy:
{
// Mark for deletion
MarkForDeletion();
// Handled
return (TRUE);
}
}
// Not handled
break;
}
}
}
// This event can't be handled by this control, so pass it to the parent class
return (IControl::HandleEvent(e));
}
void TransitiveClosure(void)
{
// Build RAM using classifiction structure originally
// generated by the method GridTable::Connect()
BuildRAM();
//Step (1a):
//Compute weights of weight graph using confidence map
//(if defined)
// NOT USED ... if(weightMapDefined) ComputeEdgeStrengths();
//Step (2):
//Treat each region Ri as a disjoint set:
// - attempt to join Ri and Rj for all i != j that are neighbors and
// whose associated modes are a normalized distance of < 0.5 from one
// another
// - the label of each region in the raList is treated as a pointer to the
// canonical element of that region (e.g. raList[i], initially has raList[i].label = i,
// namely each region is initialized to have itself as its canonical element).
//Traverse RAM attempting to join raList[i] with its neighbors...
cl_int iCanEl, neighCanEl;
cl_float threshold;
RAList *neighbor;
for(cl_uint i = 0; i < regionCount; i++)
{
//aquire first neighbor in region adjacency list pointed to
//by raList[i]
neighbor = raList[i].next;
//compute edge strenght threshold using global and local
//epsilon
if(epsilon > raList[i].edgeStrength)
threshold = epsilon;
else
threshold = raList[i].edgeStrength;
//traverse region adjacency list of region i, attempting to join
//it with regions whose mode is a normalized distance < 0.5 from
//that of region i...
while(neighbor)
{
//attempt to join region and neighbor...
if((InWindow(i, neighbor->label))&&(neighbor->edgeStrength < epsilon))
{
//region i and neighbor belong together so join them
//by:
// (1) find the canonical element of region i
iCanEl = i;
while(raList[iCanEl].label != iCanEl)
iCanEl = raList[iCanEl].label;
// (2) find the canonical element of neighboring region
neighCanEl = neighbor->label;
while(raList[neighCanEl].label != neighCanEl)
neighCanEl = raList[neighCanEl].label;
// if the canonical elements of are not the same then assign
// the canonical element having the smaller label to be the parent
// of the other region...
if(iCanEl < neighCanEl)
raList[neighCanEl].label = iCanEl;
else
{
//must replace the canonical element of previous
//parent as well
raList[raList[iCanEl].label].label = neighCanEl;
//re-assign canonical element
raList[iCanEl].label = neighCanEl;
}
}
//check the next neighbor...
neighbor = neighbor->next;
}
}
// Step (3):
// Level binary trees formed by canonical elements
for(cl_uint i = 0; i < regionCount; i++)
{
iCanEl = i;
while(raList[iCanEl].label != iCanEl)
iCanEl = raList[iCanEl].label;
raList[i].label = iCanEl;
}
// Step (4):
//Traverse joint sets, relabeling image.
// (a)
// Accumulate modes and re-compute point counts using canonical
// elements generated by step 2.
//allocate memory for mode and point count temporary buffers...
cl_float *modes_buffer = new cl_float [N*regionCount];
cl_int *MPC_buffer = new cl_int [regionCount];
//initialize buffers to zero
for(cl_uint i = 0; i < regionCount; i++)
MPC_buffer[i] = 0;
for(cl_uint i = 0; i < N*regionCount; i++)
modes_buffer[i] = 0;
//traverse raList accumulating modes and point counts
//using canoncial element information...
cl_int iMPC;
for(cl_uint i = 0; i < regionCount; i++) {
//obtain canonical element of region i
iCanEl = raList[i].label;
//obtain mode point count of region i
iMPC = modePointCounts[i];
//accumulate modes_buffer[iCanEl]
for(cl_uint k = 0; k < N; k++)
modes_buffer[(N*iCanEl)+k] += iMPC*modes[(N*i)+k];
//accumulate MPC_buffer[iCanEl]
MPC_buffer[iCanEl] += iMPC;
}
// (b)
// Re-label new regions of the image using the canonical
// element information generated by step (2)
// Also use this information to compute the modes of the newly
// defined regions, and to assign new region point counts in
// a consecute manner to the modePointCounts array
//allocate memory for label buffer
cl_int *label_buffer = new cl_int [regionCount];
//initialize label buffer to -1
for(cl_uint i = 0; i < regionCount; i++)
label_buffer[i] = -1;
//traverse raList re-labeling the regions
cl_int label = -1;
for(cl_uint i = 0; i < regionCount; i++)
{
//obtain canonical element of region i
iCanEl = raList[i].label;
if(label_buffer[iCanEl] < 0)
{
//assign a label to the new region indicated by canonical
//element of i
label_buffer[iCanEl] = ++label;
//recompute mode storing the result in modes[label]...
iMPC = MPC_buffer[iCanEl];
for(cl_uint k = 0; k < N; k++)
modes[(N*label)+k] = (modes_buffer[(N*iCanEl)+k])/(iMPC);
//assign a corresponding mode point count for this region into
//the mode point counts array using the MPC buffer...
modePointCounts[label] = MPC_buffer[iCanEl];
}
}
//re-assign region count using label counter
// cl_int oldRegionCount = regionCount;
regionCount = label+1;
// (c)
// Use the label buffer to reconstruct the label map, which specified
// the new image given its new regions calculated above
for(cl_uint i = 0; i < height*width; i++)
labels[i] = label_buffer[raList[labels[i]].label];
//de-allocate memory
delete [] modes_buffer;
delete [] MPC_buffer;
delete [] label_buffer;
//done.
return;
}
