1d46e83e30
32 bit integers should be enough for zoom scale logic. In shape annotation logic, 'maxAmountOfTileFeatures' requires 64 bits because we are multiplying the zoom scale with the extent, which might give a number higher than std::numeric_limits<uint32_t>::max().
64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#pragma once
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#include <mbgl/util/chrono.hpp>
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#include <mbgl/util/unitbezier.hpp>
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#include <cmath>
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#include <string>
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#include <vector>
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namespace mbgl {
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namespace util {
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constexpr float tileSize = 512;
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/*
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* The maximum extent of a feature that can be safely stored in the buffer.
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* In practice, all features are converted to this extent before being added.
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*
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* Positions are stored as signed 16bit integers.
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* One bit is lost for signedness to support features extending past the left edge of the tile.
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* One bit is lost because the line vertex buffer packs 1 bit of other data into the int.
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* One bit is lost to support features extending past the extent on the right edge of the tile.
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* This leaves us with 2^13 = 8192
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*/
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constexpr int32_t EXTENT = 8192;
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constexpr double DEG2RAD = M_PI / 180.0;
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constexpr double RAD2DEG = 180.0 / M_PI;
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constexpr double M2PI = M_PI * 2;
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constexpr double EARTH_RADIUS_M = 6378137;
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constexpr double LATITUDE_MAX = 85.051128779806604;
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constexpr double LONGITUDE_MAX = 180;
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constexpr double DEGREES_MAX = 360;
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constexpr double PITCH_MAX = M_PI / 3;
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constexpr double MIN_ZOOM = 0.0;
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constexpr double MAX_ZOOM = 25.5;
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constexpr uint64_t DEFAULT_MAX_CACHE_SIZE = 50 * 1024 * 1024;
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constexpr Duration DEFAULT_FADE_DURATION = Milliseconds(300);
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constexpr Seconds CLOCK_SKEW_RETRY_TIMEOUT { 30 };
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constexpr UnitBezier DEFAULT_TRANSITION_EASE = { 0, 0, 0.25, 1 };
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} // namespace util
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namespace debug {
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extern const bool tileParseWarnings;
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extern const bool styleParseWarnings;
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extern const bool spriteWarnings;
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extern const bool renderWarnings;
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extern const bool renderTree;
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extern const bool labelTextMissingWarning;
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extern const bool missingFontStackWarning;
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extern const bool missingFontFaceWarning;
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extern const bool glyphWarning;
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extern const bool shapingWarning;
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} // namespace debug
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} // namespace mbgl
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