59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#pragma once
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#include <mbgl/util/geo.hpp>
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#include <optional>
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namespace mbgl {
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/**
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* @brief Holds options to limit what parts of a map are visible. All fields are
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* optional.
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*/
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struct BoundOptions {
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/// Sets the latitude and longitude bounds to which the camera center are constrained
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/// If ConstrainMode is set to Screen these bounds describe what can be shown on screen.
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BoundOptions& withLatLngBounds(LatLngBounds b) {
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bounds = b;
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return *this;
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}
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/// Sets the minimum zoom level
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BoundOptions& withMinZoom(double z) {
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minZoom = z;
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return *this;
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}
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/// Sets the maximum zoom level
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BoundOptions& withMaxZoom(double z) {
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maxZoom = z;
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return *this;
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}
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/// Sets the minimum pitch
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BoundOptions& withMinPitch(double p) {
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minPitch = p;
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return *this;
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}
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/// Sets the maximum pitch
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BoundOptions& withMaxPitch(double p) {
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maxPitch = p;
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return *this;
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}
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/// Constrain the center of the camera to be within these bounds.
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/// If ConstrainMode is set to Screen these bounds describe what can be shown on screen.
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std::optional<LatLngBounds> bounds;
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/// Maximum zoom level allowed.
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std::optional<double> maxZoom;
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/// Minimum zoom level allowed.
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std::optional<double> minZoom;
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/// Maximum pitch allowed in degrees.
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std::optional<double> maxPitch;
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/// Minimum pitch allowed in degrees.
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std::optional<double> minPitch;
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};
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} // namespace mbgl
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