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#include "rule_drawer.hpp"
#include "stylist.hpp"
#include "engine_context.hpp"
#include "apply_feature_functors.hpp"
#include "visual_params.hpp"
#include "../indexer/feature.hpp"
#include "../indexer/feature_algo.hpp"
#include "../base/assert.hpp"
#include "../std/bind.hpp"
namespace df
{
RuleDrawer::RuleDrawer(drawer_callback_fn const & fn, TileKey const & tileKey, EngineContext & context)
: m_callback(fn)
, m_tileKey(tileKey)
, m_context(context)
{
m_globalRect = m_tileKey.GetGlobalRect();
int32_t tileSize = df::VisualParams::Instance().GetTileSize();
m_geometryConvertor.OnSize(0, 0, tileSize, tileSize);
m_geometryConvertor.SetFromRect(m2::AnyRectD(m_globalRect));
m_currentScaleGtoP = 1.0f / m_geometryConvertor.GetScale();
}
void RuleDrawer::operator()(FeatureType const & f)
{
Stylist s;
m_callback(f, s);
if (s.IsEmpty())
return;
if (s.IsCoastLine() && (!m_coastlines.insert(s.GetCaptionDescription().GetMainText()).second))
return;
#ifdef DEBUG
// Validate on feature styles
if (s.AreaStyleExists() == false)
{
int checkFlag = s.PointStyleExists() ? 1 : 0;
checkFlag += s.LineStyleExists() ? 1 : 0;
ASSERT(checkFlag == 1, ());
}
#endif
if (s.AreaStyleExists())
{
ApplyAreaFeature apply(m_context, m_tileKey, f.GetID(), s.GetCaptionDescription());
f.ForEachTriangleRef(apply, m_tileKey.m_zoomLevel);
if (s.PointStyleExists())
apply(feature::GetCenter(f, m_tileKey.m_zoomLevel));
s.ForEachRule(bind(&ApplyAreaFeature::ProcessRule, &apply, _1));
apply.Finish();
}
else if (s.LineStyleExists())
{
ApplyLineFeature apply(m_context, m_tileKey, f.GetID(),
s.GetCaptionDescription(),
m_currentScaleGtoP);
f.ForEachPointRef(apply, m_tileKey.m_zoomLevel);
if (apply.HasGeometry())
s.ForEachRule(bind(&ApplyLineFeature::ProcessRule, &apply, _1));
apply.Finish();
}
else
{
ASSERT(s.PointStyleExists(), ());
ApplyPointFeature apply(m_context, m_tileKey, f.GetID(), s.GetCaptionDescription());
f.ForEachPointRef(apply, m_tileKey.m_zoomLevel);
s.ForEachRule(bind(&ApplyPointFeature::ProcessRule, &apply, _1));
apply.Finish();
}
}
} // namespace df
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