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#include "drape_frontend/tile_key.hpp"
#include "drape_frontend/shape_view_params.hpp"
#include "drape_frontend/tile_utils.hpp"
#include "indexer/scales.hpp"
#include "geometry/mercator.hpp"
namespace df
{
TileKey::TileKey()
: m_x(-1), m_y(-1),
m_zoomLevel(-1),
m_generation(0)
{}
TileKey::TileKey(int x, int y, int zoomLevel)
: m_x(x), m_y(y),
m_zoomLevel(zoomLevel),
m_generation(0)
{}
TileKey::TileKey(TileKey const & key, uint64_t generation)
: m_x(key.m_x), m_y(key.m_y),
m_zoomLevel(key.m_zoomLevel),
m_generation(generation)
{}
bool TileKey::operator <(TileKey const & other) const
{
if (m_zoomLevel != other.m_zoomLevel)
return m_zoomLevel < other.m_zoomLevel;
if (m_y != other.m_y)
return m_y < other.m_y;
return m_x < other.m_x;
}
bool TileKey::operator ==(TileKey const & other) const
{
return m_x == other.m_x &&
m_y == other.m_y &&
m_zoomLevel == other.m_zoomLevel;
}
bool TileKey::LessStrict(TileKey const & other) const
{
if (m_generation != other.m_generation)
return m_generation < other.m_generation;
if (m_zoomLevel != other.m_zoomLevel)
return m_zoomLevel < other.m_zoomLevel;
if (m_y != other.m_y)
return m_y < other.m_y;
return m_x < other.m_x;
}
bool TileKey::EqualStrict(TileKey const & other) const
{
return m_x == other.m_x &&
m_y == other.m_y &&
m_zoomLevel == other.m_zoomLevel &&
m_generation == other.m_generation;
}
m2::RectD TileKey::GetGlobalRect(bool clipByDataMaxZoom) const
{
int const zoomLevel = clipByDataMaxZoom ? ClipTileZoomByMaxDataZoom(m_zoomLevel) : m_zoomLevel;
ASSERT_GREATER(zoomLevel, 0, ());
double const worldSizeDevisor = 1 << (zoomLevel - 1);
// Mercator SizeX and SizeY are equal.
double const rectSize = (MercatorBounds::maxX - MercatorBounds::minX) / worldSizeDevisor;
double const startX = m_x * rectSize;
double const startY = m_y * rectSize;
return m2::RectD (startX, startY, startX + rectSize, startY + rectSize);
}
math::Matrix<float, 4, 4> TileKey::GetTileBasedModelView(ScreenBase const & screen) const
{
return screen.GetModelView(GetGlobalRect().Center(), kShapeCoordScalar);
}
string DebugPrint(TileKey const & key)
{
ostringstream out;
out << "[x = " << key.m_x << ", y = " << key.m_y << ", zoomLevel = "
<< key.m_zoomLevel << ", gen = " << key.m_generation << "]";
return out.str();
}
} //namespace df
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