Files
MapLibreParticleLab/platform/ios/app-swift/Sources/ObserverExample.swift
2025-07-29 19:46:46 +03:00

144 lines
5.1 KiB
Swift

import MapLibre
import SwiftUI
import UIKit
class ObserverExampleView: UIViewController, MLNMapViewDelegate {
var mapView: MLNMapView!
var button: UIButton!
override func viewDidLoad() {
super.viewDidLoad()
// #-example-code(actionJournalOptions)
let options = MLNMapOptions()
options.actionJournalOptions.enabled = true
options.actionJournalOptions.renderingStatsReportInterval = 10
options.styleURL = AMERICANA_STYLE
mapView = MLNMapView(frame: view.bounds, options: options)
// #-end-example-code
mapView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
view.addSubview(mapView)
mapView.delegate = self
button = UIButton(frame: CGRect(x: view.bounds.width / 2 - 100, y: view.bounds.height - 200, width: 200, height: 30))
button.setTitle("Print Action Journal", for: .normal)
button.layer.cornerRadius = 15
button.backgroundColor = UIColor(red: 0.96, green: 0.65, blue: 0.14, alpha: 1.0)
button.addTarget(self, action: #selector(printActionJournal), for: .touchUpInside)
view.addSubview(button)
}
// #-example-code(ObserverExampleActionJournal)
@objc func printActionJournal() {
print("ActionJournalLog files: \(mapView.getActionJournalLogFiles())")
print("ActionJournalLog : \(mapView.getActionJournalLog())")
// print only the newest events on each call
mapView.clearActionJournalLog()
}
// #-end-example-code
func mapViewDidFinishLoadingMap(_: MLNMapView) {
// #-example-code(enableRenderingStatsView)
mapView.enableRenderingStatsView(true)
// #-end-example-code
}
// #-example-code(ObserverExampleRenderingStats)
func mapViewDidFinishRenderingFrame(_: MLNMapView, fullyRendered _: Bool, renderingStats _: MLNRenderingStats) {}
// #-end-example-code
// #-example-code(ObserverExampleShaders)
func mapView(_: MLNMapView, shaderWillCompile id: Int, backend: Int, defines: String) {
print("A new shader is being compiled - shaderID:\(id), backend type:\(backend), program configuration:\(defines)")
}
func mapView(_: MLNMapView, shaderDidCompile id: Int, backend: Int, defines: String) {
print("A shader has been compiled - shaderID:\(id), backend type:\(backend), program configuration:\(defines)")
}
// #-end-example-code
// #-example-code(ObserverExampleGlyphs)
func mapView(_: MLNMapView, glyphsWillLoad fontStack: [String], range: NSRange) {
print("Glyphs are being requested for the font stack \(fontStack), ranging from \(range.location) to \(range.location + range.length)")
}
func mapView(_: MLNMapView, glyphsDidLoad fontStack: [String], range: NSRange) {
print("Glyphs have been loaded for the font stack \(fontStack), ranging from \(range.location) to \(range.location + range.length)")
}
// #-end-example-code
// #-example-code(ObserverExampleTiles)
func mapView(_: MLNMapView, tileDidTriggerAction operation: MLNTileOperation,
x: Int,
y: Int,
z: Int,
wrap: Int,
overscaledZ: Int,
sourceID: String)
{
let tileStr = String(format: "(x: %ld, y: %ld, z: %ld, wrap: %ld, overscaledZ: %ld, sourceID: %@)",
x, y, z, wrap, overscaledZ, sourceID)
switch operation {
case MLNTileOperation.requestedFromCache:
print("Requesting tile \(tileStr) from cache")
case MLNTileOperation.requestedFromNetwork:
print("Requesting tile \(tileStr) from network")
case MLNTileOperation.loadFromCache:
print("Loading tile \(tileStr), requested from the cache")
case MLNTileOperation.loadFromNetwork:
print("Loading tile \(tileStr), requested from the network")
case MLNTileOperation.startParse:
print("Parsing tile \(tileStr)")
case MLNTileOperation.endParse:
print("Completed parsing tile \(tileStr)")
case MLNTileOperation.error:
print("An error occured during proccessing for tile \(tileStr)")
case MLNTileOperation.cancelled:
print("Pending work on tile \(tileStr)")
case MLNTileOperation.nullOp:
print("An unknown tile operation was emitted for tile \(tileStr)")
@unknown default:
assertionFailure()
}
}
// #-end-example-code
// #-example-code(ObserverExampleSprites)
func mapView(_: MLNMapView, spriteWillLoad id: String, url: String) {
print("The sprite \(id) has been requested from \(url)")
}
func mapView(_: MLNMapView, spriteDidLoad id: String, url: String) {
print("The sprite \(id) has been loaded from \(url)")
}
// #-end-example-code
}
struct ObserverExampleViewUIViewControllerRepresentable: UIViewControllerRepresentable {
typealias UIViewControllerType = ObserverExampleView
func makeUIViewController(context _: Context) -> ObserverExampleView {
ObserverExampleView()
}
func updateUIViewController(_: ObserverExampleView, context _: Context) {}
}