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#pragma once
#include "drape_frontend/text_handle.hpp"
#include "drape_frontend/text_layout.hpp"
#include "geometry/spline.hpp"
#include <algorithm>
#include <memory>
#include <vector>
namespace df
{
class PathTextContext
{
public:
PathTextContext(m2::SharedSpline const & spline);
void SetLayout(drape_ptr<PathTextLayout> && layout, double baseGtoPScale);
ref_ptr<PathTextLayout> const GetLayout() const;
bool GetPivot(size_t textIndex, m2::PointD & pivot,
m2::Spline::iterator & centerPointIter) const;
void BeforeUpdate();
void Update(ScreenBase const & screen);
std::vector<double> const & GetOffsets() const;
private:
m2::Spline::iterator GetProjectedPoint(std::vector<m2::Spline> const & splines,
m2::PointD const & pt) const;
private:
std::vector<m2::PointD> m_globalPivots;
std::vector<double> m_globalOffsets;
m2::SharedSpline m_globalSpline;
std::vector<m2::Spline> m_pixel3dSplines;
std::vector<m2::Spline::iterator> m_centerPointIters;
std::vector<m2::PointD> m_centerGlobalPivots;
drape_ptr<PathTextLayout> m_layout;
bool m_updated = false;
};
class PathTextHandle : public df::TextHandle
{
public:
PathTextHandle(dp::OverlayID const & id,
std::shared_ptr<PathTextContext> const & context,
float depth, uint32_t textIndex,
uint64_t priority, int fixedHeight,
ref_ptr<dp::TextureManager> textureManager,
int minVisibleScale, bool isBillboard);
void BeforeUpdate() override;
bool Update(ScreenBase const & screen) override;
m2::RectD GetPixelRect(ScreenBase const & screen, bool perspective) const override;
void GetPixelShape(ScreenBase const & screen, bool perspective, Rects & rects) const override;
void GetAttributeMutation(ref_ptr<dp::AttributeBufferMutator> mutator) const override;
uint64_t GetPriorityMask() const override;
bool Enable3dExtention() const override;
bool HasLinearFeatureShape() const override;
private:
m2::SharedSpline m_spline;
std::shared_ptr<PathTextContext> m_context;
uint32_t const m_textIndex;
m2::PointD m_globalPivot;
float const m_depth;
};
bool IsValidSplineTurn(m2::PointD const & normalizedDir1, m2::PointD const & normalizedDir2);
void AddPointAndRound(m2::Spline & spline, m2::PointD const & pt);
} // namespace df
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