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Default: true.\n * @param {import(\"./extent.js\").Extent} [opt_maxExtent] Maximum allowed extent.\n * @param {boolean} [opt_showFullExtent] If true, allows us to show the full extent. Default: false.\n * @return {Type} Zoom function.\n */\nexport function createSnapToResolutions(resolutions, opt_smooth, opt_maxExtent, opt_showFullExtent) {\n return (\n /**\n * @param {number|undefined} resolution Resolution.\n * @param {number} direction Direction.\n * @param {import(\"./size.js\").Size} size Viewport size.\n * @param {boolean} [opt_isMoving] True if an interaction or animation is in progress.\n * @return {number|undefined} Resolution.\n */\n function (resolution, direction, size, opt_isMoving) {\n if (resolution !== undefined) {\n var maxResolution = resolutions[0];\n var minResolution = resolutions[resolutions.length - 1];\n var cappedMaxRes = opt_maxExtent\n ? getViewportClampedResolution(maxResolution, opt_maxExtent, size, opt_showFullExtent)\n : maxResolution;\n // during interacting or animating, allow intermediary values\n if (opt_isMoving) {\n var smooth = opt_smooth !== undefined ? opt_smooth : true;\n if (!smooth) {\n return clamp(resolution, minResolution, cappedMaxRes);\n }\n return getSmoothClampedResolution(resolution, cappedMaxRes, minResolution);\n }\n var capped = Math.min(cappedMaxRes, resolution);\n var z = Math.floor(linearFindNearest(resolutions, capped, direction));\n if (resolutions[z] > cappedMaxRes && z < resolutions.length - 1) {\n return resolutions[z + 1];\n }\n return resolutions[z];\n }\n else {\n return undefined;\n }\n });\n}\n/**\n * @param {number} power Power.\n * @param {number} maxResolution Maximum resolution.\n * @param {number} [opt_minResolution] Minimum resolution.\n * @param {boolean} [opt_smooth] If true, the view will be able to slightly exceed resolution limits. Default: true.\n * @param {import(\"./extent.js\").Extent} [opt_maxExtent] Maximum allowed extent.\n * @param {boolean} [opt_showFullExtent] If true, allows us to show the full extent. Default: false.\n * @return {Type} Zoom function.\n */\nexport function createSnapToPower(power, maxResolution, opt_minResolution, opt_smooth, opt_maxExtent, opt_showFullExtent) {\n return (\n /**\n * @param {number|undefined} resolution Resolution.\n * @param {number} direction Direction.\n * @param {import(\"./size.js\").Size} size Viewport size.\n * @param {boolean} [opt_isMoving] True if an interaction or animation is in progress.\n * @return {number|undefined} Resolution.\n */\n function (resolution, direction, size, opt_isMoving) {\n if (resolution !== undefined) {\n var cappedMaxRes = opt_maxExtent\n ? getViewportClampedResolution(maxResolution, opt_maxExtent, size, opt_showFullExtent)\n : maxResolution;\n var minResolution = opt_minResolution !== undefined ? opt_minResolution : 0;\n // during interacting or animating, allow intermediary values\n if (opt_isMoving) {\n var smooth = opt_smooth !== undefined ? opt_smooth : true;\n if (!smooth) {\n return clamp(resolution, minResolution, cappedMaxRes);\n }\n return getSmoothClampedResolution(resolution, cappedMaxRes, minResolution);\n }\n var tolerance = 1e-9;\n var minZoomLevel = Math.ceil(Math.log(maxResolution / cappedMaxRes) / Math.log(power) - tolerance);\n var offset = -direction * (0.5 - tolerance) + 0.5;\n var capped = Math.min(cappedMaxRes, resolution);\n var cappedZoomLevel = Math.floor(Math.log(maxResolution / capped) / Math.log(power) + offset);\n var zoomLevel = Math.max(minZoomLevel, cappedZoomLevel);\n var newResolution = maxResolution / Math.pow(power, zoomLevel);\n return clamp(newResolution, minResolution, cappedMaxRes);\n }\n else {\n return undefined;\n }\n });\n}\n/**\n * @param {number} maxResolution Max resolution.\n * @param {number} minResolution Min resolution.\n * @param {boolean} [opt_smooth] If true, the view will be able to slightly exceed resolution limits. Default: true.\n * @param {import(\"./extent.js\").Extent} [opt_maxExtent] Maximum allowed extent.\n * @param {boolean} [opt_showFullExtent] If true, allows us to show the full extent. Default: false.\n * @return {Type} Zoom function.\n */\nexport function createMinMaxResolution(maxResolution, minResolution, opt_smooth, opt_maxExtent, opt_showFullExtent) {\n return (\n /**\n * @param {number|undefined} resolution Resolution.\n * @param {number} direction Direction.\n * @param {import(\"./size.js\").Size} size Viewport size.\n * @param {boolean} [opt_isMoving] True if an interaction or animation is in progress.\n * @return {number|undefined} Resolution.\n */\n function (resolution, direction, size, opt_isMoving) {\n if (resolution !== undefined) {\n var cappedMaxRes = opt_maxExtent\n ? getViewportClampedResolution(maxResolution, opt_maxExtent, size, opt_showFullExtent)\n : maxResolution;\n var smooth = opt_smooth !== undefined ? opt_smooth : true;\n if (!smooth || !opt_isMoving) {\n return clamp(resolution, minResolution, cappedMaxRes);\n }\n return getSmoothClampedResolution(resolution, cappedMaxRes, minResolution);\n }\n else {\n return undefined;\n }\n });\n}\n//# sourceMappingURL=resolutionconstraint.js.map","/**\n * @module ol/rotationconstraint\n */\nimport { toRadians } from './math.js';\n/**\n * @typedef {function((number|undefined), boolean=): (number|undefined)} Type\n */\n/**\n * @param {number|undefined} rotation Rotation.\n * @return {number|undefined} Rotation.\n */\nexport function disable(rotation) {\n if (rotation !== undefined) {\n return 0;\n }\n else {\n return undefined;\n }\n}\n/**\n * @param {number|undefined} rotation Rotation.\n * @return {number|undefined} Rotation.\n */\nexport function none(rotation) {\n if (rotation !== undefined) {\n return rotation;\n }\n else {\n return undefined;\n }\n}\n/**\n * @param {number} n N.\n * @return {Type} Rotation constraint.\n */\nexport function createSnapToN(n) {\n var theta = (2 * Math.PI) / n;\n return (\n /**\n * @param {number|undefined} rotation Rotation.\n * @param {boolean} [opt_isMoving] True if an interaction or animation is in progress.\n * @return {number|undefined} Rotation.\n */\n function (rotation, opt_isMoving) {\n if (opt_isMoving) {\n return rotation;\n }\n if (rotation !== undefined) {\n rotation = Math.floor(rotation / theta + 0.5) * theta;\n return rotation;\n }\n else {\n return undefined;\n }\n });\n}\n/**\n * @param {number} [opt_tolerance] Tolerance.\n * @return {Type} Rotation constraint.\n */\nexport function createSnapToZero(opt_tolerance) {\n var tolerance = opt_tolerance || toRadians(5);\n return (\n /**\n * @param {number|undefined} rotation Rotation.\n * @param {boolean} [opt_isMoving] True if an interaction or animation is in progress.\n * @return {number|undefined} Rotation.\n */\n function (rotation, opt_isMoving) {\n if (opt_isMoving) {\n return rotation;\n }\n if (rotation !== undefined) {\n if (Math.abs(rotation) <= tolerance) {\n return 0;\n }\n else {\n return rotation;\n }\n }\n else {\n return undefined;\n }\n });\n}\n//# sourceMappingURL=rotationconstraint.js.map"],"names":[],"sourceRoot":""}