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#include "drape_frontend/apply_feature_functors.hpp"
#include "drape_frontend/area_shape.hpp"
#include "drape_frontend/color_constants.hpp"
#include "drape_frontend/colored_symbol_shape.hpp"
#include "drape_frontend/line_shape.hpp"
#include "drape_frontend/path_symbol_shape.hpp"
#include "drape_frontend/path_text_shape.hpp"
#include "drape_frontend/poi_symbol_shape.hpp"
#include "drape_frontend/text_layout.hpp"
#include "drape_frontend/text_shape.hpp"
#include "drape_frontend/visual_params.hpp"
#include "editor/osm_editor.hpp"
#include "indexer/drawing_rules.hpp"
#include "indexer/drules_include.hpp"
#include "indexer/feature_source.hpp"
#include "indexer/map_style_reader.hpp"
#include "indexer/road_shields_parser.hpp"
#include "geometry/clipping.hpp"
#include "drape/color.hpp"
#include "drape/stipple_pen_resource.hpp"
#include "drape/texture_manager.hpp"
#include "drape/utils/projection.hpp"
#include "base/logging.hpp"
#include "base/stl_helpers.hpp"
#include <algorithm>
#include <cmath>
#include <limits>
#include <mutex>
#include <sstream>
#include <unordered_map>
#include <utility>
namespace df
{
dp::Color ToDrapeColor(uint32_t src)
{
return dp::Extract(src, static_cast<uint8_t>(255 - (src >> 24)));
}
namespace
{
double const kMinVisibleFontSize = 8.0;
std::string const kStarSymbol = "★";
std::string const kPriceSymbol = "$";
df::ColorConstant const kPoiHotelTextOutlineColor = "PoiHotelTextOutline";
df::ColorConstant const kRoadShieldBlackTextColor = "RoadShieldBlackText";
df::ColorConstant const kRoadShieldWhiteTextColor = "RoadShieldWhiteText";
df::ColorConstant const kRoadShieldUKYellowTextColor = "RoadShieldUKYellowText";
df::ColorConstant const kRoadShieldGreenBackgroundColor = "RoadShieldGreenBackground";
df::ColorConstant const kRoadShieldBlueBackgroundColor = "RoadShieldBlueBackground";
df::ColorConstant const kRoadShieldRedBackgroundColor = "RoadShieldRedBackground";
df::ColorConstant const kRoadShieldOrangeBackgroundColor = "RoadShieldOrangeBackground";
int const kLineSimplifyLevelStart = 10;
int const kLineSimplifyLevelEnd = 12;
uint32_t const kPathTextBaseTextIndex = 128;
uint32_t const kShieldBaseTextIndex = 0;
int const kShieldMinVisibleZoomLevel = 10;
#ifdef LINES_GENERATION_CALC_FILTERED_POINTS
class LinesStat
{
public:
~LinesStat()
{
map<int, TValue> zoomValues;
for (pair<TKey, TValue> const & f : m_features)
{
TValue & v = zoomValues[f.first.second];
v.m_neededPoints += f.second.m_neededPoints;
v.m_readedPoints += f.second.m_readedPoints;
}
LOG(LINFO, ("========================"));
for (pair<int, TValue> const & v : zoomValues)
LOG(LINFO, ("Zoom = ", v.first, " Percent = ", 1 - v.second.m_neededPoints / (double)v.second.m_readedPoints));
}
static LinesStat & Get()
{
static LinesStat s_stat;
return s_stat;
}
void InsertLine(FeatureID const & id, double scale, int vertexCount, int renderVertexCount)
{
int s = 0;
double factor = 5.688;
while (factor < scale)
{
s++;
factor = factor * 2.0;
}
InsertLine(id, s, vertexCount, renderVertexCount);
}
void InsertLine(FeatureID const & id, int scale, int vertexCount, int renderVertexCount)
{
TKey key(id, scale);
lock_guard<mutex> g(m_mutex);
if (m_features.find(key) != m_features.end())
return;
TValue & v = m_features[key];
v.m_readedPoints = vertexCount;
v.m_neededPoints = renderVertexCount;
}
private:
LinesStat() = default;
using TKey = pair<FeatureID, int>;
struct TValue
{
int m_readedPoints = 0;
int m_neededPoints = 0;
};
map<TKey, TValue> m_features;
mutex m_mutex;
};
#endif
void Extract(::LineDefProto const * lineRule, df::LineViewParams & params)
{
double const scale = df::VisualParams::Instance().GetVisualScale();
params.m_color = ToDrapeColor(lineRule->color());
params.m_width = static_cast<float>(std::max(lineRule->width() * scale, 1.0));
if (lineRule->has_dashdot())
{
DashDotProto const & dd = lineRule->dashdot();
int const count = dd.dd_size();
params.m_pattern.reserve(count);
for (int i = 0; i < count; ++i)
params.m_pattern.push_back(static_cast<uint8_t>(dd.dd(i) * scale));
}
switch(lineRule->cap())
{
case ::ROUNDCAP : params.m_cap = dp::RoundCap;
break;
case ::BUTTCAP : params.m_cap = dp::ButtCap;
break;
case ::SQUARECAP: params.m_cap = dp::SquareCap;
break;
default:
ASSERT(false, ());
}
switch (lineRule->join())
{
case ::NOJOIN : params.m_join = dp::MiterJoin;
break;
case ::ROUNDJOIN : params.m_join = dp::RoundJoin;
break;
case ::BEVELJOIN : params.m_join = dp::BevelJoin;
break;
default:
ASSERT(false, ());
}
}
void CaptionDefProtoToFontDecl(CaptionDefProto const * capRule, dp::FontDecl & params)
{
double const vs = df::VisualParams::Instance().GetVisualScale();
params.m_color = ToDrapeColor(capRule->color());
params.m_size = static_cast<float>(std::max(kMinVisibleFontSize, capRule->height() * vs));
if (capRule->stroke_color() != 0)
params.m_outlineColor = ToDrapeColor(capRule->stroke_color());
else
params.m_isSdf = df::VisualParams::Instance().IsSdfPrefered();
}
void ShieldRuleProtoToFontDecl(ShieldRuleProto const * shieldRule, dp::FontDecl & params)
{
double const vs = df::VisualParams::Instance().GetVisualScale();
params.m_color = ToDrapeColor(shieldRule->text_color());
params.m_size = static_cast<float>(std::max(kMinVisibleFontSize, shieldRule->height() * vs));
if (shieldRule->text_stroke_color() != 0)
params.m_outlineColor = ToDrapeColor(shieldRule->text_stroke_color());
else
params.m_isSdf = df::VisualParams::Instance().IsSdfPrefered();
}
dp::Anchor GetAnchor(CaptionDefProto const * capRule)
{
if (capRule->offset_y() != 0)
{
if (capRule->offset_y() > 0)
return dp::Top;
else
return dp::Bottom;
}
if (capRule->offset_x() != 0)
{
if (capRule->offset_x() > 0)
return dp::Left;
else
return dp::Right;
}
return dp::Center;
}
m2::PointF GetOffset(CaptionDefProto const * capRule)
{
double const vs = VisualParams::Instance().GetVisualScale();
m2::PointF result(0, 0);
if (capRule != nullptr)
{
result.x = static_cast<float>(capRule->offset_x() * vs);
result.y = static_cast<float>(capRule->offset_y() * vs);
}
return result;
}
uint16_t CalculateHotelOverlayPriority(BaseApplyFeature::HotelData const & data)
{
// NOTE: m_rating is in format X[.Y], where X = [0;10], Y = [0;9], e.g. 8.7
string s = data.m_rating;
s.erase(remove(s.begin(), s.end(), '.'), s.end());
s.erase(remove(s.begin(), s.end(), ','), s.end());
if (s.empty())
return 0;
// Special case for integer ratings.
if (s.length() == data.m_rating.length())
s += '0';
uint result = 0;
if (strings::to_uint(s, result))
return static_cast<uint16_t>(result);
return 0;
}
uint16_t CalculateNavigationPoiPriority()
{
// All navigation POI have maximum priority in navigation mode.
return std::numeric_limits<uint16_t>::max();
}
uint16_t CalculateNavigationRoadShieldPriority()
{
// Road shields have less priority than navigation POI.
static uint16_t constexpr kMask = ~static_cast<uint16_t>(0xFF);
uint16_t priority = CalculateNavigationPoiPriority();
return priority & kMask;
}
uint16_t CalculateNavigationPathTextPriority(uint32_t textIndex)
{
// Path texts have more priority than road shields in navigation mode.
static uint16_t constexpr kMask = ~static_cast<uint16_t>(0xFF);
uint16_t priority = CalculateNavigationPoiPriority();
priority &= kMask;
uint8_t constexpr kMaxTextIndex = std::numeric_limits<uint8_t>::max() - 1;
if (textIndex > kMaxTextIndex)
textIndex = kMaxTextIndex;
priority |= static_cast<uint8_t>(textIndex);
return priority;
}
bool IsSymbolRoadShield(ftypes::RoadShield const & shield)
{
return shield.m_type == ftypes::RoadShieldType::US_Interstate ||
shield.m_type == ftypes::RoadShieldType::US_Highway;
}
std::string GetRoadShieldSymbolName(ftypes::RoadShield const & shield, double fontScale)
{
std::string result = "";
if (shield.m_type == ftypes::RoadShieldType::US_Interstate)
result = shield.m_name.size() <= 2 ? "shield-us-i-thin" : "shield-us-i-wide";
else if (shield.m_type == ftypes::RoadShieldType::US_Highway)
result = shield.m_name.size() <= 2 ? "shield-us-hw-thin" : "shield-us-hw-wide";
if (!result.empty() && fontScale > 1.0)
result += "-scaled";
return result;
}
bool IsColoredRoadShield(ftypes::RoadShield const & shield)
{
return shield.m_type == ftypes::RoadShieldType::Default ||
shield.m_type == ftypes::RoadShieldType::UK_Highway ||
shield.m_type == ftypes::RoadShieldType::Generic_White ||
shield.m_type == ftypes::RoadShieldType::Generic_Blue ||
shield.m_type == ftypes::RoadShieldType::Generic_Green ||
shield.m_type == ftypes::RoadShieldType::Generic_Red ||
shield.m_type == ftypes::RoadShieldType::Generic_Orange;
}
dp::FontDecl GetRoadShieldTextFont(dp::FontDecl const & baseFont, ftypes::RoadShield const & shield)
{
dp::FontDecl f = baseFont;
f.m_outlineColor = dp::Color::Transparent();
using ftypes::RoadShieldType;
static std::unordered_map<int, df::ColorConstant> kColors = {
{base::Underlying(RoadShieldType::Generic_Green), kRoadShieldWhiteTextColor},
{base::Underlying(RoadShieldType::Generic_Blue), kRoadShieldWhiteTextColor},
{base::Underlying(RoadShieldType::UK_Highway), kRoadShieldUKYellowTextColor},
{base::Underlying(RoadShieldType::US_Interstate), kRoadShieldWhiteTextColor},
{base::Underlying(RoadShieldType::US_Highway), kRoadShieldBlackTextColor},
{base::Underlying(RoadShieldType::Generic_Red), kRoadShieldWhiteTextColor},
{base::Underlying(RoadShieldType::Generic_Orange), kRoadShieldBlackTextColor}
};
auto it = kColors.find(base::Underlying(shield.m_type));
if (it != kColors.end())
f.m_color = df::GetColorConstant(it->second);
return f;
}
dp::Color GetRoadShieldColor(dp::Color const & baseColor, ftypes::RoadShield const & shield)
{
using ftypes::RoadShieldType;
static std::unordered_map<int, df::ColorConstant> kColors = {
{base::Underlying(RoadShieldType::Generic_Green), kRoadShieldGreenBackgroundColor},
{base::Underlying(RoadShieldType::Generic_Blue), kRoadShieldBlueBackgroundColor},
{base::Underlying(RoadShieldType::UK_Highway), kRoadShieldGreenBackgroundColor},
{base::Underlying(RoadShieldType::Generic_Red), kRoadShieldRedBackgroundColor},
{base::Underlying(RoadShieldType::Generic_Orange), kRoadShieldOrangeBackgroundColor}
};
auto it = kColors.find(base::Underlying(shield.m_type));
if (it != kColors.end())
return df::GetColorConstant(it->second);
return baseColor;
}
float GetRoadShieldOutlineWidth(float baseWidth, ftypes::RoadShield const & shield)
{
if (shield.m_type == ftypes::RoadShieldType::UK_Highway ||
shield.m_type == ftypes::RoadShieldType::Generic_Blue ||
shield.m_type == ftypes::RoadShieldType::Generic_Green ||
shield.m_type == ftypes::RoadShieldType::Generic_Red)
return 0.0f;
return baseWidth;
}
dp::Anchor GetShieldAnchor(uint8_t shieldIndex, uint8_t shieldCount)
{
switch (shieldCount)
{
case 2:
if (shieldIndex == 0) return dp::Bottom;
return dp::Top;
case 3:
if (shieldIndex == 0) return dp::RightBottom;
else if (shieldIndex == 1) return dp::LeftBottom;
return dp::Top;
case 4:
if (shieldIndex == 0) return dp::RightBottom;
else if (shieldIndex == 1) return dp::LeftBottom;
else if (shieldIndex == 2) return dp::RightTop;
return dp::LeftTop;
}
return dp::Center;
}
m2::PointF GetShieldOffset(dp::Anchor anchor, double borderWidth, double borderHeight)
{
m2::PointF offset(0.0f, 0.0f);
if (anchor & dp::Left)
offset.x = static_cast<float>(borderWidth);
else if (anchor & dp::Right)
offset.x = -static_cast<float>(borderWidth);
if (anchor & dp::Top)
offset.y = static_cast<float>(borderHeight);
else if (anchor & dp::Bottom)
offset.y = -static_cast<float>(borderHeight);
return offset;
}
void CalculateRoadShieldPositions(std::vector<double> const & offsets,
m2::SharedSpline const & spline,
std::vector<m2::PointD> & shieldPositions)
{
ASSERT(!offsets.empty(), ());
if (offsets.size() == 1)
{
shieldPositions.push_back(spline->GetPoint(0.5 * spline->GetLength()).m_pos);
}
else
{
for (size_t i = 0; i + 1 < offsets.size(); i++)
{
double const p = 0.5 * (offsets[i] + offsets[i + 1]);
shieldPositions.push_back(spline->GetPoint(p).m_pos);
}
}
}
} // namespace
BaseApplyFeature::BaseApplyFeature(TileKey const & tileKey, TInsertShapeFn const & insertShape,
FeatureID const & id, int minVisibleScale, uint8_t rank,
CaptionDescription const & captions)
: m_insertShape(insertShape)
, m_id(id)
, m_captions(captions)
, m_minVisibleScale(minVisibleScale)
, m_rank(rank)
, m_tileKey(tileKey)
, m_tileRect(tileKey.GetGlobalRect())
{
ASSERT(m_insertShape != nullptr, ());
}
void BaseApplyFeature::ExtractCaptionParams(CaptionDefProto const * primaryProto,
CaptionDefProto const * secondaryProto,
float depth, TextViewParams & params) const
{
dp::FontDecl decl;
CaptionDefProtoToFontDecl(primaryProto, decl);
params.m_depth = depth;
params.m_featureID = m_id;
auto & titleDecl = params.m_titleDecl;
titleDecl.m_anchor = GetAnchor(primaryProto);
titleDecl.m_primaryText = m_captions.GetMainText();
titleDecl.m_primaryTextFont = decl;
titleDecl.m_primaryOffset = GetOffset(primaryProto);
titleDecl.m_primaryOptional = primaryProto->is_optional();
titleDecl.m_secondaryOptional = true;
if (secondaryProto)
{
dp::FontDecl auxDecl;
CaptionDefProtoToFontDecl(secondaryProto, auxDecl);
titleDecl.m_secondaryText = m_captions.GetAuxText();
titleDecl.m_secondaryTextFont = auxDecl;
titleDecl.m_secondaryOptional = secondaryProto->is_optional();
}
}
string BaseApplyFeature::ExtractHotelInfo() const
{
if (!m_hotelData.m_isHotel)
return "";
std::ostringstream out;
if (!m_hotelData.m_rating.empty() && m_hotelData.m_rating != "0")
{
out << m_hotelData.m_rating << kStarSymbol;
if (m_hotelData.m_priceCategory != 0)
out << " ";
}
for (int i = 0; i < m_hotelData.m_priceCategory; i++)
out << kPriceSymbol;
return out.str();
}
void BaseApplyFeature::SetHotelData(HotelData && hotelData)
{
m_hotelData = move(hotelData);
}
ApplyPointFeature::ApplyPointFeature(TileKey const & tileKey, TInsertShapeFn const & insertShape,
FeatureID const & id, int minVisibleScale, uint8_t rank,
CaptionDescription const & captions, float posZ,
int displacementMode, DepthLayer depthLayer)
: TBase(tileKey, insertShape, id, minVisibleScale, rank, captions)
, m_posZ(posZ)
, m_hasPoint(false)
, m_hasArea(false)
, m_createdByEditor(false)
, m_obsoleteInEditor(false)
, m_depthLayer(depthLayer)
, m_symbolDepth(dp::kMinDepth)
, m_symbolRule(nullptr)
, m_displacementMode(displacementMode)
{}
void ApplyPointFeature::operator()(m2::PointD const & point, bool hasArea, bool isUGC)
{
auto const & editor = osm::Editor::Instance();
m_hasPoint = true;
m_hasArea = hasArea;
m_isUGC = isUGC;
auto const featureStatus = editor.GetFeatureStatus(m_id);
m_createdByEditor = featureStatus == FeatureStatus::Created;
m_obsoleteInEditor = featureStatus == FeatureStatus::Obsolete;
m_centerPoint = point;
}
void ApplyPointFeature::ProcessPointRule(Stylist::TRuleWrapper const & rule)
{
if (!m_hasPoint)
return;
drule::BaseRule const * pRule = rule.first;
auto const depth = static_cast<float>(rule.second);
SymbolRuleProto const * symRule = pRule->GetSymbol();
if (symRule != nullptr)
{
m_symbolDepth = depth;
m_symbolRule = symRule;
}
bool const isNode = (pRule->GetType() & drule::node) != 0;
CaptionDefProto const * capRule = pRule->GetCaption(0);
if (capRule && isNode)
{
TextViewParams params;
params.m_tileCenter = m_tileRect.Center();
ExtractCaptionParams(capRule, pRule->GetCaption(1), depth, params);
params.m_depthLayer = m_depthLayer;
params.m_depthTestEnabled = m_depthLayer != DepthLayer::NavigationLayer &&
m_depthLayer != DepthLayer::OverlayLayer;
params.m_minVisibleScale = m_minVisibleScale;
params.m_rank = m_rank;
params.m_posZ = m_posZ;
params.m_hasArea = m_hasArea;
params.m_createdByEditor = m_createdByEditor;
auto & titleDecl = params.m_titleDecl;
if (m_displacementMode == dp::displacement::kHotelMode &&
m_hotelData.m_isHotel && !titleDecl.m_primaryText.empty())
{
titleDecl.m_primaryOptional = false;
titleDecl.m_primaryTextFont.m_size *= 1.2;
titleDecl.m_primaryTextFont.m_outlineColor = df::GetColorConstant(df::kPoiHotelTextOutlineColor);
titleDecl.m_secondaryTextFont = titleDecl.m_primaryTextFont;
titleDecl.m_secondaryText = ExtractHotelInfo();
titleDecl.m_secondaryOptional = false;
}
if (!titleDecl.m_primaryText.empty() || !titleDecl.m_secondaryText.empty())
m_textParams.push_back(params);
}
}
void ApplyPointFeature::Finish(ref_ptr<dp::TextureManager> texMng)
{
m2::PointF symbolSize(0.0f, 0.0f);
bool specialDisplacementMode = false;
uint16_t specialModePriority = 0;
if (m_displacementMode == dp::displacement::kHotelMode && m_hotelData.m_isHotel)
{
specialDisplacementMode = true;
specialModePriority = CalculateHotelOverlayPriority(m_hotelData);
}
else if (m_depthLayer == DepthLayer::NavigationLayer && GetStyleReader().IsCarNavigationStyle())
{
specialDisplacementMode = true;
specialModePriority = CalculateNavigationPoiPriority();
}
bool const hasPOI = m_symbolRule != nullptr;
double const mainScale = df::VisualParams::Instance().GetVisualScale();
if (hasPOI)
{
PoiSymbolViewParams params(m_id);
params.m_tileCenter = m_tileRect.Center();
params.m_depthTestEnabled = m_depthLayer != DepthLayer::NavigationLayer &&
m_depthLayer != DepthLayer::OverlayLayer;
params.m_depth = static_cast<float>(m_symbolDepth);
params.m_depthLayer = m_depthLayer;
params.m_minVisibleScale = m_minVisibleScale;
params.m_rank = m_rank;
params.m_symbolName = m_symbolRule->name();
params.m_extendingSize = static_cast<uint32_t>(mainScale * m_symbolRule->min_distance());
params.m_posZ = m_posZ;
params.m_hasArea = m_hasArea;
params.m_prioritized = m_createdByEditor;
params.m_obsoleteInEditor = m_obsoleteInEditor;
params.m_specialDisplacement = specialDisplacementMode ? SpecialDisplacement::SpecialMode
: SpecialDisplacement::None;
params.m_specialPriority = specialModePriority;
dp::TextureManager::SymbolRegion region;
texMng->GetSymbolRegion(params.m_symbolName, region);
symbolSize = region.GetPixelSize();
if (region.IsValid())
m_insertShape(make_unique_dp<PoiSymbolShape>(m2::PointD(m_centerPoint), params, m_tileKey, 0 /* text index */));
else
LOG(LERROR, ("Style error. Symbol name must be valid for feature", m_id));
}
for (auto textParams : m_textParams)
{
if (m_captions.IsHouseNumberInMainText())
{
textParams.m_specialDisplacement = SpecialDisplacement::HouseNumber;
}
else
{
textParams.m_specialDisplacement = specialDisplacementMode ? SpecialDisplacement::SpecialMode
: SpecialDisplacement::None;
}
textParams.m_specialPriority = specialModePriority;
textParams.m_startOverlayRank = hasPOI ? dp::OverlayRank1 : dp::OverlayRank0;
m_insertShape(make_unique_dp<TextShape>(m2::PointD(m_centerPoint), textParams, m_tileKey, symbolSize,
m2::PointF(0.0f, 0.0f) /* symbolOffset */,
dp::Center /* symbolAnchor */, 0 /* textIndex */));
}
if (m_isUGC)
{
df::ColoredSymbolViewParams params;
params.m_featureID = m_id;
params.m_tileCenter = m_tileRect.Center();
params.m_color = dp::Color::Yellow();
params.m_radiusInPixels = hasPOI ? static_cast<float>(symbolSize.x / 2.0 + mainScale * 3)
: static_cast<float>(mainScale * 7);
params.m_anchor = dp::Center;
params.m_startOverlayRank = hasPOI ? dp::OverlayRank2 : dp::OverlayRank1;
params.m_specialDisplacement = specialDisplacementMode ? SpecialDisplacement::SpecialMode
: SpecialDisplacement::None;
params.m_specialPriority = specialModePriority;
params.m_depthLayer = m_depthLayer;
params.m_minVisibleScale = m_minVisibleScale;
params.m_rank = m_rank;
params.m_depthTestEnabled = true;
params.m_depth = static_cast<float>(m_symbolDepth);
auto coloredShape = make_unique_dp<ColoredSymbolShape>(m2::PointD(m_centerPoint), params,
m_tileKey, 0 /* textIndex */, true);
m_insertShape(std::move(coloredShape));
}
}
ApplyAreaFeature::ApplyAreaFeature(TileKey const & tileKey, TInsertShapeFn const & insertShape,
FeatureID const & id, double currentScaleGtoP, bool isBuilding,
bool skipAreaGeometry, float minPosZ, float posZ, int minVisibleScale,
uint8_t rank, CaptionDescription const & captions, bool hatchingArea)
: TBase(tileKey, insertShape, id, minVisibleScale, rank, captions, posZ,
dp::displacement::kDefaultMode, DepthLayer::OverlayLayer)
, m_minPosZ(minPosZ)
, m_isBuilding(isBuilding)
, m_skipAreaGeometry(skipAreaGeometry)
, m_hatchingArea(hatchingArea)
, m_currentScaleGtoP(currentScaleGtoP)
{}
void ApplyAreaFeature::operator()(m2::PointD const & p1, m2::PointD const & p2, m2::PointD const & p3)
{
if (m_isBuilding)
{
if (!m_skipAreaGeometry)
ProcessBuildingPolygon(p1, p2, p3);
return;
}
m2::PointD const v1 = p2 - p1;
m2::PointD const v2 = p3 - p1;
if (v1.IsAlmostZero() || v2.IsAlmostZero())
return;
double const crossProduct = m2::CrossProduct(v1.Normalize(), v2.Normalize());
double constexpr kEps = 1e-7;
if (fabs(crossProduct) < kEps)
return;
auto const clipFunctor = [this](m2::PointD const & p1, m2::PointD const & p2, m2::PointD const & p3)
{
m_triangles.push_back(p1);
m_triangles.push_back(p2);
m_triangles.push_back(p3);
};
if (crossProduct < 0)
m2::ClipTriangleByRect(m_tileRect, p1, p2, p3, clipFunctor);
else
m2::ClipTriangleByRect(m_tileRect, p1, p3, p2, clipFunctor);
}
void ApplyAreaFeature::ProcessBuildingPolygon(m2::PointD const & p1, m2::PointD const & p2,
m2::PointD const & p3)
{
// For building we must filter degenerate polygons because now we have to reconstruct
// building outline by bunch of polygons.
m2::PointD const v1 = p2 - p1;
m2::PointD const v2 = p3 - p1;
if (v1.IsAlmostZero() || v2.IsAlmostZero())
return;
double const crossProduct = m2::CrossProduct(v1.Normalize(), v2.Normalize());
double constexpr kEps = 0.01;
if (fabs(crossProduct) < kEps)
return;
// Triangles near to degenerate are drawn two-side, because we can't strictly determine
// vertex traversal direction.
double constexpr kTwoSideEps = 0.05;
bool const isTwoSide = fabs(crossProduct) < kTwoSideEps;
auto const i1 = GetIndex(p1);
auto const i2 = GetIndex(p2);
auto const i3 = GetIndex(p3);
if (crossProduct < 0)
{
m_triangles.push_back(p1);
m_triangles.push_back(p2);
m_triangles.push_back(p3);
BuildEdges(i1, i2, i3, isTwoSide);
}
else
{
m_triangles.push_back(p1);
m_triangles.push_back(p3);
m_triangles.push_back(p2);
BuildEdges(i1, i3, i2, isTwoSide);
}
}
int ApplyAreaFeature::GetIndex(m2::PointD const & pt)
{
double constexpr kEps = 1e-7;
for (size_t i = 0; i < m_points.size(); i++)
{
if (pt.EqualDxDy(m_points[i], kEps))
return static_cast<int>(i);
}
m_points.push_back(pt);
return static_cast<int>(m_points.size()) - 1;
}
bool ApplyAreaFeature::IsDuplicatedEdge(Edge const & edge)
{
for (auto & e : m_edges)
{
if (e.m_edge == edge)
{
e.m_internalVertexIndex = -1;
return true;
}
}
return false;
}
m2::PointD ApplyAreaFeature::CalculateNormal(m2::PointD const & p1, m2::PointD const & p2,
m2::PointD const & p3) const
{
m2::PointD const tangent = (p2 - p1).Normalize();
m2::PointD normal = m2::PointD(-tangent.y, tangent.x);
m2::PointD const v = ((p1 + p2) * 0.5 - p3).Normalize();
if (m2::DotProduct(normal, v) < 0.0)
normal = -normal;
return normal;
}
void ApplyAreaFeature::BuildEdges(int vertexIndex1, int vertexIndex2, int vertexIndex3, bool twoSide)
{
// Check if triangle is degenerate.
if (vertexIndex1 == vertexIndex2 || vertexIndex2 == vertexIndex3 || vertexIndex1 == vertexIndex3)
return;
auto edge1 = Edge(vertexIndex1, vertexIndex2);
if (!IsDuplicatedEdge(edge1))
m_edges.emplace_back(std::move(edge1), vertexIndex3, twoSide);
auto edge2 = Edge(vertexIndex2, vertexIndex3);
if (!IsDuplicatedEdge(edge2))
m_edges.emplace_back(std::move(edge2), vertexIndex1, twoSide);
auto edge3 = Edge(vertexIndex3, vertexIndex1);
if (!IsDuplicatedEdge(edge3))
m_edges.emplace_back(std::move(edge3), vertexIndex2, twoSide);
}
void ApplyAreaFeature::CalculateBuildingOutline(bool calculateNormals, BuildingOutline & outline)
{
outline.m_vertices = std::move(m_points);
outline.m_indices.reserve(m_edges.size() * 2);
if (calculateNormals)
outline.m_normals.reserve(m_edges.size());
for (auto const & e : m_edges)
{
if (e.m_internalVertexIndex < 0)
continue;
outline.m_indices.push_back(e.m_edge.m_startIndex);
outline.m_indices.push_back(e.m_edge.m_endIndex);
if (e.m_twoSide)
{
outline.m_indices.push_back(e.m_edge.m_endIndex);
outline.m_indices.push_back(e.m_edge.m_startIndex);
}
if (calculateNormals)
{
outline.m_normals.emplace_back(CalculateNormal(outline.m_vertices[e.m_edge.m_startIndex],
outline.m_vertices[e.m_edge.m_endIndex],
outline.m_vertices[e.m_internalVertexIndex]));
if (e.m_twoSide)
outline.m_normals.push_back(outline.m_normals.back());
}
}
}
void ApplyAreaFeature::ProcessAreaRule(Stylist::TRuleWrapper const & rule)
{
drule::BaseRule const * pRule = rule.first;
auto const depth = static_cast<float>(rule.second);
AreaRuleProto const * areaRule = pRule->GetArea();
if (areaRule && !m_triangles.empty())
{
AreaViewParams params;
params.m_tileCenter = m_tileRect.Center();
params.m_depth = depth;
params.m_color = ToDrapeColor(areaRule->color());
params.m_minVisibleScale = m_minVisibleScale;
params.m_rank = m_rank;
params.m_minPosZ = m_minPosZ;
params.m_posZ = m_posZ;
params.m_hatching = m_hatchingArea;
params.m_baseGtoPScale = static_cast<float>(m_currentScaleGtoP);
BuildingOutline outline;
if (m_isBuilding)
{
outline.m_generateOutline = areaRule->has_border() &&
areaRule->color() != areaRule->border().color() &&
areaRule->border().width() > 0.0;
if (outline.m_generateOutline)
params.m_outlineColor = ToDrapeColor(areaRule->border().color());
bool const calculateNormals = m_posZ > 0.0;
CalculateBuildingOutline(calculateNormals, outline);
params.m_is3D = !outline.m_indices.empty() && calculateNormals;
}
m_insertShape(make_unique_dp<AreaShape>(std::vector<m2::PointD>(m_triangles), move(outline), params));
}
else
{
TBase::ProcessPointRule(rule);
}
}
ApplyLineFeatureGeometry::ApplyLineFeatureGeometry(TileKey const & tileKey,
TInsertShapeFn const & insertShape,
FeatureID const & id, double currentScaleGtoP,
int minVisibleScale, uint8_t rank,
size_t pointsCount)
: TBase(tileKey, insertShape, id, minVisibleScale, rank, CaptionDescription())
, m_currentScaleGtoP(static_cast<float>(currentScaleGtoP))
, m_sqrScale(currentScaleGtoP * currentScaleGtoP)
, m_simplify(tileKey.m_zoomLevel >= kLineSimplifyLevelStart &&
tileKey.m_zoomLevel <= kLineSimplifyLevelEnd)
, m_initialPointsCount(pointsCount)
#ifdef LINES_GENERATION_CALC_FILTERED_POINTS
, m_readCount(0)
#endif
{}
void ApplyLineFeatureGeometry::operator() (m2::PointD const & point)
{
#ifdef LINES_GENERATION_CALC_FILTERED_POINTS
++m_readCount;
#endif
if (m_spline.IsNull())
m_spline.Reset(new m2::Spline(m_initialPointsCount));
if (m_spline->IsEmpty())
{
m_spline->AddPoint(point);
m_lastAddedPoint = point;
}
else
{
static double minSegmentLength = pow(4.0 * df::VisualParams::Instance().GetVisualScale(), 2);
if (m_simplify &&
((m_spline->GetSize() > 1 && point.SquaredLength(m_lastAddedPoint) * m_sqrScale < minSegmentLength) ||
m_spline->IsPrelonging(point)))
{
m_spline->ReplacePoint(point);
}
else
{
m_spline->AddPoint(point);
m_lastAddedPoint = point;
}
}
}
bool ApplyLineFeatureGeometry::HasGeometry() const
{
return m_spline->IsValid();
}
void ApplyLineFeatureGeometry::ProcessLineRule(Stylist::TRuleWrapper const & rule)
{
ASSERT(HasGeometry(), ());
drule::BaseRule const * pRule = rule.first;
float const depth = static_cast<float>(rule.second);
LineDefProto const * pLineRule = pRule->GetLine();
if (pLineRule == nullptr)
return;
m_clippedSplines = m2::ClipSplineByRect(m_tileRect, m_spline);
if (m_clippedSplines.empty())
return;
if (pLineRule->has_pathsym())
{
PathSymProto const & symRule = pLineRule->pathsym();
PathSymbolViewParams params;
params.m_tileCenter = m_tileRect.Center();
params.m_depth = depth;
params.m_minVisibleScale = m_minVisibleScale;
params.m_rank = m_rank;
params.m_symbolName = symRule.name();
double const mainScale = df::VisualParams::Instance().GetVisualScale();
params.m_offset = static_cast<float>(symRule.offset() * mainScale);
params.m_step = static_cast<float>(symRule.step() * mainScale);
params.m_baseGtoPScale = m_currentScaleGtoP;
for (auto const & spline : m_clippedSplines)
m_insertShape(make_unique_dp<PathSymbolShape>(spline, params));
}
else
{
LineViewParams params;
params.m_tileCenter = m_tileRect.Center();
Extract(pLineRule, params);
params.m_depth = depth;
params.m_minVisibleScale = m_minVisibleScale;
params.m_rank = m_rank;
params.m_baseGtoPScale = m_currentScaleGtoP;
params.m_zoomLevel = m_tileKey.m_zoomLevel;
for (auto const & spline : m_clippedSplines)
m_insertShape(make_unique_dp<LineShape>(spline, params));
}
}
void ApplyLineFeatureGeometry::Finish()
{
#ifdef LINES_GENERATION_CALC_FILTERED_POINTS
LinesStat::Get().InsertLine(m_id, m_currentScaleGtoP, m_readCount, static_cast<int>(m_spline->GetSize()));
#endif
}
ApplyLineFeatureAdditional::ApplyLineFeatureAdditional(TileKey const & tileKey,
TInsertShapeFn const & insertShape,
FeatureID const & id,
double currentScaleGtoP,
int minVisibleScale, uint8_t rank,
CaptionDescription const & captions,
std::vector<m2::SharedSpline> const & clippedSplines)
: TBase(tileKey, insertShape, id, minVisibleScale, rank, captions)
, m_clippedSplines(clippedSplines)
, m_currentScaleGtoP(static_cast<float>(currentScaleGtoP))
, m_depth(0.0f)
, m_captionRule(nullptr)
, m_shieldRule(nullptr)
{}
void ApplyLineFeatureAdditional::ProcessLineRule(Stylist::TRuleWrapper const & rule)
{
if (m_clippedSplines.empty())
return;
drule::BaseRule const * pRule = rule.first;
m_depth = static_cast<float>(rule.second);
ShieldRuleProto const * pShieldRule = pRule->GetShield();
if (pShieldRule != nullptr)
m_shieldRule = pShieldRule;
bool const isWay = (pRule->GetType() & drule::way) != 0;
if (!isWay)
return;
CaptionDefProto const * pCaptionRule = pRule->GetCaption(0);
if (pCaptionRule != nullptr && pCaptionRule->height() > 2 && !m_captions.GetMainText().empty())
m_captionRule = pCaptionRule;
}
void ApplyLineFeatureAdditional::GetRoadShieldsViewParams(ref_ptr<dp::TextureManager> texMng,
ftypes::RoadShield const & shield,
uint8_t shieldIndex, uint8_t shieldCount,
TextViewParams & textParams,
ColoredSymbolViewParams & symbolParams,
PoiSymbolViewParams & poiParams,
m2::PointD & shieldPixelSize)
{
ASSERT (m_shieldRule != nullptr, ());
string const & roadNumber = shield.m_name;
double const mainScale = df::VisualParams::Instance().GetVisualScale();
double const fontScale = df::VisualParams::Instance().GetFontScale();
auto const anchor = GetShieldAnchor(shieldIndex, shieldCount);
m2::PointF const shieldOffset = GetShieldOffset(anchor, 2.0, 2.0);
double const borderWidth = 5.0 * mainScale;
double const borderHeight = 1.5 * mainScale;
m2::PointF const shieldTextOffset = GetShieldOffset(anchor, borderWidth, borderHeight);
// Text properties.
dp::FontDecl baseFont;
ShieldRuleProtoToFontDecl(m_shieldRule, baseFont);
dp::FontDecl font = GetRoadShieldTextFont(baseFont, shield);
textParams.m_tileCenter = m_tileRect.Center();
textParams.m_depthTestEnabled = false;
textParams.m_depth = m_depth;
textParams.m_depthLayer = DepthLayer::OverlayLayer;
textParams.m_minVisibleScale = kShieldMinVisibleZoomLevel;
textParams.m_rank = m_rank;
textParams.m_featureID = m_id;
textParams.m_titleDecl.m_anchor = anchor;
textParams.m_titleDecl.m_primaryText = roadNumber;
textParams.m_titleDecl.m_primaryTextFont = font;
textParams.m_titleDecl.m_primaryOffset = shieldOffset + shieldTextOffset;
textParams.m_titleDecl.m_primaryOptional = false;
textParams.m_titleDecl.m_secondaryOptional = false;
textParams.m_extendingSize = 0;
textParams.m_startOverlayRank = dp::OverlayRank1;
TextLayout textLayout;
textLayout.Init(strings::MakeUniString(roadNumber), font.m_size, font.m_isSdf, texMng);
// Calculate width and height of a shield.
shieldPixelSize.x = textLayout.GetPixelLength() + 2.0 * borderWidth;
shieldPixelSize.y = textLayout.GetPixelHeight() + 2.0 * borderHeight;
textParams.m_limitedText = true;
textParams.m_limits = shieldPixelSize * 0.9;
bool needAdditionalText = false;
if (IsColoredRoadShield(shield))
{
// Generated symbol properties.
symbolParams.m_featureID = m_id;
symbolParams.m_tileCenter = m_tileRect.Center();
symbolParams.m_depthTestEnabled = true;
symbolParams.m_depth = m_depth;
symbolParams.m_depthLayer = DepthLayer::OverlayLayer;
symbolParams.m_minVisibleScale = kShieldMinVisibleZoomLevel;
symbolParams.m_rank = m_rank;
symbolParams.m_anchor = anchor;
symbolParams.m_offset = shieldOffset;
symbolParams.m_shape = ColoredSymbolViewParams::Shape::RoundedRectangle;
symbolParams.m_radiusInPixels = static_cast<float>(2.5 * mainScale);
symbolParams.m_color = ToDrapeColor(m_shieldRule->color());
if (m_shieldRule->stroke_color() != m_shieldRule->color())
{
symbolParams.m_outlineColor = ToDrapeColor(m_shieldRule->stroke_color());
symbolParams.m_outlineWidth = static_cast<float>(1.0 * mainScale);
}
symbolParams.m_sizeInPixels = shieldPixelSize;
symbolParams.m_outlineWidth = GetRoadShieldOutlineWidth(symbolParams.m_outlineWidth, shield);
symbolParams.m_color = GetRoadShieldColor(symbolParams.m_color, shield);
needAdditionalText = !shield.m_additionalText.empty() &&
(anchor & dp::Top || anchor & dp::Center);
}
// Image symbol properties.
if (IsSymbolRoadShield(shield))
{
std::string symbolName = GetRoadShieldSymbolName(shield, fontScale);
poiParams.m_tileCenter = m_tileRect.Center();
poiParams.m_depth = m_depth;
poiParams.m_depthTestEnabled = false;
poiParams.m_depthLayer = DepthLayer::OverlayLayer;
poiParams.m_minVisibleScale = kShieldMinVisibleZoomLevel;
poiParams.m_rank = m_rank;
poiParams.m_symbolName = symbolName;
poiParams.m_extendingSize = 0;
poiParams.m_posZ = 0.0f;
poiParams.m_hasArea = false;
poiParams.m_prioritized = false;
poiParams.m_obsoleteInEditor = false;
poiParams.m_anchor = anchor;
poiParams.m_offset = GetShieldOffset(anchor, 0.5, 0.5);
dp::TextureManager::SymbolRegion region;
texMng->GetSymbolRegion(poiParams.m_symbolName, region);
float const symBorderWidth = (region.GetPixelSize().x - textLayout.GetPixelLength()) * 0.5f;
float const symBorderHeight = (region.GetPixelSize().y - textLayout.GetPixelHeight()) * 0.5f;
textParams.m_titleDecl.m_primaryOffset = poiParams.m_offset + GetShieldOffset(anchor, symBorderWidth, symBorderHeight);
shieldPixelSize = region.GetPixelSize();
needAdditionalText = !symbolName.empty() && !shield.m_additionalText.empty() &&
(anchor & dp::Top || anchor & dp::Center);
}
if (needAdditionalText)
{
auto & titleDecl = textParams.m_titleDecl;
titleDecl.m_secondaryText = shield.m_additionalText;
titleDecl.m_secondaryTextFont = titleDecl.m_primaryTextFont;
titleDecl.m_secondaryTextFont.m_color = df::GetColorConstant(kRoadShieldBlackTextColor);
titleDecl.m_secondaryTextFont.m_outlineColor = df::GetColorConstant(kRoadShieldWhiteTextColor);
titleDecl.m_secondaryTextFont.m_size *= 0.9f;
titleDecl.m_secondaryOffset = m2::PointD(0.0f, 3.0 * mainScale);
}
// Special priority for road shields in navigation style.
if (GetStyleReader().IsCarNavigationStyle())
{
textParams.m_specialDisplacement = poiParams.m_specialDisplacement
= symbolParams.m_specialDisplacement = SpecialDisplacement::SpecialMode;
textParams.m_specialPriority = poiParams.m_specialPriority
= symbolParams.m_specialPriority = CalculateNavigationRoadShieldPriority();
}
}
bool ApplyLineFeatureAdditional::CheckShieldsNearby(m2::PointD const & shieldPos,
m2::PointD const & shieldPixelSize,
uint32_t minDistanceInPixels,
std::vector<m2::RectD> & shields)
{
// Here we calculate extended rect to skip the same shields nearby.
m2::PointD const skippingArea(2 * minDistanceInPixels, 2 * minDistanceInPixels);
m2::PointD const extendedPixelSize = shieldPixelSize + skippingArea;
m2::PointD const shieldMercatorHalfSize = extendedPixelSize / m_currentScaleGtoP * 0.5;
m2::RectD shieldRect(shieldPos - shieldMercatorHalfSize, shieldPos + shieldMercatorHalfSize);
for (auto const & r : shields)
{
if (r.IsIntersect(shieldRect))
return false;
}
shields.push_back(shieldRect);
return true;
}
void ApplyLineFeatureAdditional::Finish(ref_ptr<dp::TextureManager> texMng,
std::set<ftypes::RoadShield> && roadShields,
GeneratedRoadShields & generatedRoadShields)
{
if (m_clippedSplines.empty())
return;
auto const vs = static_cast<float>(df::VisualParams::Instance().GetVisualScale());
std::vector<m2::PointD> shieldPositions;
if (m_shieldRule != nullptr && !roadShields.empty())
shieldPositions.reserve(m_clippedSplines.size() * 3);
if (m_captionRule != nullptr)
{
dp::FontDecl fontDecl;
CaptionDefProtoToFontDecl(m_captionRule, fontDecl);
PathTextViewParams params;
params.m_tileCenter = m_tileRect.Center();
params.m_featureID = m_id;
params.m_depth = m_depth;
params.m_minVisibleScale = m_minVisibleScale;
params.m_rank = m_rank;
params.m_mainText = m_captions.GetMainText();
params.m_auxText = m_captions.GetAuxText();
params.m_textFont = fontDecl;
params.m_baseGtoPScale = m_currentScaleGtoP;
bool const navigationEnabled = GetStyleReader().IsCarNavigationStyle();
if (navigationEnabled)
params.m_specialDisplacement = SpecialDisplacement::SpecialMode;
uint32_t textIndex = kPathTextBaseTextIndex;
for (auto const & spline : m_clippedSplines)
{
PathTextViewParams p = params;
if (navigationEnabled)
p.m_specialPriority = CalculateNavigationPathTextPriority(textIndex);
auto shape = make_unique_dp<PathTextShape>(spline, p, m_tileKey, textIndex);
if (!shape->CalculateLayout(texMng))
continue;
if (m_shieldRule != nullptr && !roadShields.empty())
CalculateRoadShieldPositions(shape->GetOffsets(), spline, shieldPositions);
m_insertShape(std::move(shape));
textIndex++;
}
}
else if (m_shieldRule != nullptr && !roadShields.empty())
{
for (auto const & spline : m_clippedSplines)
{
double const pixelLength = 300.0 * vs;
std::vector<double> offsets;
PathTextLayout::CalculatePositions(spline->GetLength(), m_currentScaleGtoP,
pixelLength, offsets);
if (!offsets.empty())
CalculateRoadShieldPositions(offsets, spline, shieldPositions);
}
}
if (shieldPositions.empty())
return;
ASSERT(m_shieldRule != nullptr, ());
int constexpr kDefaultMinDistance = 50;
int minDistance = m_shieldRule->min_distance() != 0 ? m_shieldRule->min_distance()
: kDefaultMinDistance;
if (minDistance < 0)
minDistance = kDefaultMinDistance;
uint32_t const scaledMinDistance = static_cast<uint32_t>(vs * minDistance);
uint8_t shieldIndex = 0;
uint32_t textIndex = kShieldBaseTextIndex;
for (ftypes::RoadShield const & shield : roadShields)
{
TextViewParams textParams;
ColoredSymbolViewParams symbolParams;
PoiSymbolViewParams poiParams(m_id);
m2::PointD shieldPixelSize;
GetRoadShieldsViewParams(texMng, shield, shieldIndex, static_cast<uint8_t>(roadShields.size()),
textParams, symbolParams, poiParams, shieldPixelSize);
auto & generatedShieldRects = generatedRoadShields[shield];
generatedShieldRects.reserve(10);
for (auto const & shieldPos : shieldPositions)
{
if (!CheckShieldsNearby(shieldPos, shieldPixelSize, scaledMinDistance, generatedShieldRects))
continue;
m_insertShape(make_unique_dp<TextShape>(shieldPos, textParams, m_tileKey,
m2::PointF(0.0f, 0.0f) /* symbolSize */,
m2::PointF(0.0f, 0.0f) /* symbolOffset */,
dp::Center /* symbolAnchor */, textIndex));
if (IsColoredRoadShield(shield))
m_insertShape(make_unique_dp<ColoredSymbolShape>(shieldPos, symbolParams, m_tileKey, textIndex));
else if (IsSymbolRoadShield(shield))
m_insertShape(make_unique_dp<PoiSymbolShape>(shieldPos, poiParams, m_tileKey, textIndex));
textIndex++;
}
shieldIndex++;
}
}
} // namespace df
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