void
TaskPointRenderer::DrawOrdered(const OrderedTaskPoint &tp, Layer layer)
{
switch (layer) {
case LAYER_OZ_SHADE:
if (tp.BoundingBoxOverlaps(bb_screen))
// draw shaded part of observation zone
DrawOZBackground(canvas, tp);
break;
case LAYER_LEG:
if (index > 0)
DrawTaskLine(last_point, tp.GetLocationRemaining());
last_point = tp.GetLocationRemaining();
break;
case LAYER_OZ_OUTLINE:
if (tp.BoundingBoxOverlaps(bb_screen))
DrawOZForeground(tp);
break;
case LAYER_SYMBOLS:
return;
}
}
void
TaskPointRenderer::Draw(const TaskPoint &tp, Layer layer)
{
const OrderedTaskPoint &otp = (const OrderedTaskPoint &)tp;
const AATPoint &atp = (const AATPoint &)tp;
switch (tp.GetType()) {
case TaskPointType::UNORDERED:
if (layer == LAYER_LEG && location.IsValid())
DrawTaskLine(location, tp.GetLocationRemaining());
if (layer == LAYER_SYMBOLS)
DrawBearing(tp);
index++;
break;
case TaskPointType::START:
index = 0;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawBearing(tp);
DrawTarget(tp);
}
break;
case TaskPointType::AST:
index++;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawBearing(tp);
DrawTarget(tp);
}
break;
case TaskPointType::AAT:
index++;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawIsoline(atp);
DrawBearing(tp);
DrawTarget(tp);
}
break;
case TaskPointType::FINISH:
index++;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawBearing(tp);
DrawTarget(tp);
}
break;
}
}
void
TaskPointRenderer::DrawOrdered(const OrderedTaskPoint &tp, Layer layer)
{
int offset = index - active_index;
if (offset == 0 && task_finished && tp.GetType() == TaskPointType::FINISH)
/* if the task is finished, pretend the active_index is past the
current index; we need this because XCSoar never moves
active_index to one after the finish point, because that would
point to an invalid task point index */
offset = -1;
switch (layer) {
case LAYER_OZ_SHADE:
if (tp.BoundingBoxOverlaps(bb_screen))
// draw shaded part of observation zone
DrawOZBackground(canvas, tp, offset);
break;
case LAYER_LEG:
if (index > 0)
DrawTaskLine(last_point, tp.GetLocationRemaining());
last_point = tp.GetLocationRemaining();
break;
case LAYER_OZ_OUTLINE:
if (tp.BoundingBoxOverlaps(bb_screen)) {
if (mode_optional_start && offset == 0)
/* render optional starts as deactivated */
offset = -1;
DrawOZForeground(tp, offset);
}
break;
case LAYER_SYMBOLS:
return;
}
}
void
RenderTaskPoint::Draw(const TaskPoint &tp, Layer layer)
{
const OrderedTaskPoint &otp = (const OrderedTaskPoint &)tp;
const AATPoint &atp = (const AATPoint &)tp;
switch (tp.GetType()) {
case TaskPoint::UNORDERED:
if (layer == LAYER_LEG)
DrawTaskLine(location, tp.GetLocationRemaining());
if (layer == LAYER_SYMBOLS)
DrawBearing(tp);
index++;
break;
case TaskPoint::START:
index = 0;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawBearing(tp);
DrawTarget(tp);
}
break;
case TaskPoint::AST:
index++;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawBearing(tp);
DrawTarget(tp);
}
break;
case TaskPoint::AAT:
index++;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawIsoline(atp);
DrawBearing(tp);
DrawTarget(tp);
}
break;
case TaskPoint::FINISH:
index++;
DrawOrdered(otp, layer);
if (layer == LAYER_SYMBOLS) {
DrawBearing(tp);
DrawTarget(tp);
}
break;
case TaskPoint::ROUTE:
/* unreachable */
assert(false);
break;
}
}
