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#include "feature_processor.hpp"
#include "geometry_processors.hpp"
#include "feature_info.hpp"
#ifndef USE_DRAPE
#include "drawer.hpp"
#endif // USE_DRAPE
#include "indexer/feature_impl.hpp"
#include "indexer/feature_algo.hpp"
namespace fwork
{
#ifndef USE_DRAPE
namespace
{
template <class TSrc> void assign_point(di::FeatureInfo & p, TSrc & src)
{
p.m_point = src.m_point;
}
template <class TSrc> void assign_path(di::FeatureInfo & p, TSrc & src)
{
p.m_pathes.swap(src.m_points);
}
template <class TSrc> void assign_area(di::FeatureInfo & p, TSrc & src)
{
p.m_areas.swap(src.m_points);
ASSERT ( !p.m_areas.empty(), () );
p.m_areas.back().SetCenter(src.GetCenter());
}
}
FeatureProcessor::FeatureProcessor(m2::RectD const & r,
ScreenBase const & convertor,
shared_ptr<PaintEvent> const & e,
int scaleLevel)
: m_rect(r),
m_convertor(convertor),
m_paintEvent(e),
m_zoom(scaleLevel),
m_hasNonCoast(false),
m_glyphCache(e->drawer()->GetGlyphCache())
{
GetDrawer()->SetScale(m_zoom);
}
bool FeatureProcessor::operator() (FeatureType const & f)
{
if (m_paintEvent->isCancelled())
throw redraw_operation_cancelled();
Drawer * pDrawer = GetDrawer();
di::FeatureInfo fi(f, m_zoom, pDrawer->VisualScale(), m_glyphCache, &m_convertor, &m_rect);
if (fi.m_styler.IsEmpty())
return true;
// Draw coastlines features only once.
if (fi.m_styler.m_isCoastline)
{
if (!m_coasts.insert(fi.m_styler.m_primaryText).second)
return true;
}
else
m_hasNonCoast = true;
using namespace gp;
bool isExist = false;
switch (fi.m_styler.m_geometryType)
{
case feature::GEOM_POINT:
{
typedef gp::one_point functor_t;
functor_t::params p;
p.m_convertor = &m_convertor;
p.m_rect = &m_rect;
functor_t fun(p);
f.ForEachPointRef(fun, m_zoom);
if (fun.IsExist())
{
isExist = true;
assign_point(fi, fun);
}
break;
}
case feature::GEOM_AREA:
{
typedef filter_screenpts_adapter<area_tess_points> functor_t;
functor_t::params p;
p.m_convertor = &m_convertor;
p.m_rect = &m_rect;
functor_t fun(p);
f.ForEachTriangleExRef(fun, m_zoom);
if (fi.m_styler.m_hasPointStyles)
fun.SetCenter(feature::GetCenter(f, m_zoom));
if (fun.IsExist())
{
isExist = true;
assign_area(fi, fun);
}
// continue rendering as line if feature has linear styles too
if (!fi.m_styler.m_hasLineStyles)
break;
}
case feature::GEOM_LINE:
{
if (fi.m_styler.m_hasPathText)
{
typedef filter_screenpts_adapter<cut_path_intervals> functor_t;
functor_t::params p;
p.m_convertor = &m_convertor;
p.m_rect = &m_rect;
p.m_intervals = &fi.m_styler.m_intervals;
functor_t fun(p);
f.ForEachPointRef(fun, m_zoom);
if (fun.IsExist())
{
isExist = true;
assign_path(fi, fun);
#ifdef DEBUG
if (fi.m_pathes.size() == 1)
{
double const offset = fi.m_pathes.front().GetOffset();
for (size_t i = 0; i < fi.m_styler.m_offsets.size(); ++i)
ASSERT_LESS_OR_EQUAL(offset, fi.m_styler.m_offsets[i], ());
}
#endif
}
}
else
{
typedef filter_screenpts_adapter<path_points> functor_t;
functor_t::params p;
p.m_convertor = &m_convertor;
p.m_rect = &m_rect;
functor_t fun(p);
f.ForEachPointRef(fun, m_zoom);
if (fun.IsExist())
{
isExist = true;
assign_path(fi, fun);
}
}
break;
}
}
if (isExist)
pDrawer->Draw(fi);
return true;
}
bool FeatureProcessor::IsEmptyDrawing() const
{
return (m_zoom >= feature::g_arrCountryScales[0] && !m_hasNonCoast);
}
#endif // USE_DRAPE
}
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