2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
94 lines
3.2 KiB
C++
94 lines
3.2 KiB
C++
#pragma once
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#include <mln/util/chrono.hpp>
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#include <mln/util/unitbezier.hpp>
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#include <cmath>
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#include <cstddef>
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namespace mln {
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namespace util {
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constexpr double tileSize_D = 512;
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constexpr uint16_t tileSize_I = 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
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* edge of the tile. One bit is lost because the line vertex buffer used to pack
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* 1 bit of other data into the int. This is no longer the case but we're
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* reserving this bit anyway. One bit is lost to support features extending past
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* the extent on the right edge of the tile. 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 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_MIN = 0.0;
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constexpr double DEFAULT_PITCH_MAX = M_PI / 3;
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constexpr double PITCH_MAX = M_PI;
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// This fov value is somewhat arbitrary. The altitude of the camera used
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// to be defined as 1.5 screen heights above the ground, which was an
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// arbitrary choice. This is the fov equivalent to that value calculated
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// with: `fov = 2 * arctan((height / 2) / (height * 1.5))`
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constexpr double DEFAULT_FOV = 0.6435011087932844;
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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 float MIN_ZOOM_F = MIN_ZOOM;
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constexpr float MAX_ZOOM_F = MAX_ZOOM;
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constexpr uint8_t DEFAULT_MAX_ZOOM = 22;
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// ONE_EM constant used to go between "em" units used in style spec and "points" used internally for layout.
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constexpr float ONE_EM = 24.0f;
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constexpr uint8_t DEFAULT_PREFETCH_ZOOM_DELTA = 4;
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constexpr uint64_t DEFAULT_MAX_CACHE_SIZE = 50 * 1024 * 1024;
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// Default ImageManager's cache size for images added via onStyleImageMissing API.
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// Average sprite size with 1.0 pixel ratio is ~2kB, 8kB for pixel ratio of 2.0.
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constexpr std::size_t DEFAULT_ON_DEMAND_IMAGES_CACHE_SIZE = 100 * 8192;
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constexpr Duration DEFAULT_TRANSITION_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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constexpr int DEFAULT_RATE_LIMIT_TIMEOUT = 5;
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constexpr const char* ASSET_PROTOCOL = "asset://";
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constexpr const char* FILE_PROTOCOL = "file://";
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constexpr const char* MBTILES_PROTOCOL = "mbtiles://";
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constexpr const char* PMTILES_PROTOCOL = "pmtiles://";
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constexpr uint32_t DEFAULT_MAXIMUM_CONCURRENT_REQUESTS = 20;
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constexpr uint8_t TERRAIN_RGB_MAXZOOM = 15;
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constexpr const char* LAST_RESORT_ALPHABETIC_FONT = "Open Sans Regular";
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constexpr const char* LAST_RESORT_PAN_UNICODE_FONT = "Arial Unicode MS Regular";
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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 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 mln
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