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#pragma once
#include "graphics/defines.hpp"
#include "graphics/font_desc.hpp"
#include "indexer/feature_decl.hpp"
#include "geometry/point2d.hpp"
#include "std/function.hpp"
namespace di
{
struct DrawRule;
class PathInfo;
class AreaInfo;
struct FeatureStyler;
struct FeatureInfo;
}
namespace graphics { class GlyphCache; }
class Drawer
{
double m_visualScale;
int m_level;
FeatureID m_currentFeatureID;
protected:
virtual void DrawSymbol(m2::PointD const & pt,
graphics::EPosition pos,
di::DrawRule const & rule) = 0;
virtual void DrawCircle(m2::PointD const & pt,
graphics::EPosition pos,
di::DrawRule const & rule) = 0;
virtual void DrawCircledSymbol(m2::PointD const & pt,
graphics::EPosition pos,
di::DrawRule const & symbolRule,
di::DrawRule const & circleRule) = 0;
virtual void DrawPath(di::PathInfo const & path,
di::DrawRule const * rules,
size_t count) = 0;
virtual void DrawArea(di::AreaInfo const & area,
di::DrawRule const & rule) = 0;
virtual void DrawText(m2::PointD const & pt,
graphics::EPosition pos,
di::FeatureStyler const & fs,
di::DrawRule const & rule) = 0;
virtual void DrawPathText(di::PathInfo const & info,
di::FeatureStyler const & fs,
di::DrawRule const & rule) = 0;
virtual void DrawPathNumber(di::PathInfo const & path,
di::FeatureStyler const & fs) = 0;
void DrawFeatureStart(FeatureID const & id);
void DrawFeatureEnd(FeatureID const & id);
FeatureID const & GetCurrentFeatureID() const;
using TRoadNumberCallbackFn = function<void (m2::PointD const & pt, graphics::FontDesc const & font, string const & text)>;
void GenerateRoadNumbers(di::PathInfo const & path, di::FeatureStyler const & fs, TRoadNumberCallbackFn const & fn);
public:
struct Params
{
double m_visualScale;
Params();
};
Drawer(Params const & params = Params());
virtual ~Drawer() {}
double VisualScale() const;
void SetScale(int level);
virtual graphics::GlyphCache * GetGlyphCache() = 0;
void Draw(di::FeatureInfo const & fi);
};
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