Add RasterDemSource

lib/maplibre-compose/src/androidMain/kotlin/org/maplibre/compose/sources/RasterDemSource.kt

@@ -0,0 +1,41 @@
+package org.maplibre.compose.sources
+
+import org.maplibre.android.style.sources.RasterDemSource as MLNRasterDemSource
+import org.maplibre.android.style.sources.TileSet
+import org.maplibre.compose.util.correctedAndroidUri
+import org.maplibre.compose.util.toLatLngBounds
+
+public actual class RasterDemSource : Source {
+  override val impl: MLNRasterDemSource
+
+  internal constructor(source: MLNRasterDemSource) {
+    impl = source
+  }
+
+  public actual constructor(id: String, uri: String, tileSize: Int) {
+    impl = MLNRasterDemSource(id, uri.correctedAndroidUri(), tileSize)
+  }
+
+  public actual constructor(
+    id: String,
+    tiles: List<String>,
+    options: TileSetOptions,
+    tileSize: Int,
+  ) {
+    impl =
+      MLNRasterDemSource(
+        id,
+        TileSet(
+            "{\"type\": \"raster-dem\"}",
+            *tiles.map { it.correctedAndroidUri() }.toTypedArray(),
+          )
+          .apply {
+            minZoom = options.minZoom.toFloat()
+            maxZoom = options.maxZoom.toFloat()
+            options.boundingBox?.let { setBounds(it.toLatLngBounds()) }
+            attribution = options.attributionHtml
+          },
+        tileSize,
+      )
+  }
+}

lib/maplibre-compose/src/commonMain/kotlin/org/maplibre/compose/layers/HillshadeLayer.kt

@@ -17,7 +17,7 @@ import org.maplibre.compose.util.MaplibreComposable
  * Terrain RGB, Mapzen Terrarium tiles and custom encodings.
  *
  * @param id Unique layer name.
- * @param source Vector data source for this layer.
+ * @param source Raster DEM data source for this layer.
  * @param minZoom The minimum zoom level for the layer. At zoom levels less than this, the layer
  *   will be hidden. A value in the range of `[0..24]`.
  * @param maxZoom The maximum zoom level for the layer. At zoom levels equal to or greater than

lib/maplibre-compose/src/commonMain/kotlin/org/maplibre/compose/sources/RasterDemSource.kt

@@ -0,0 +1,57 @@
+package org.maplibre.compose.sources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.key
+
+/** A map data source of DEM raster images. */
+public expect class RasterDemSource : Source {
+
+  /**
+   * @param id Unique identifier for this source
+   * @param uri URI pointing to a JSON file that conforms to the
+   *   [TileJSON specification](https://github.com/mapbox/tilejson-spec/)
+   * @param tileSize width and height (measured in points) of each tiled image in the raster tile
+   *   source
+   */
+  public constructor(id: String, uri: String, tileSize: Int = 512)
+
+  /**
+   * @param id Unique identifier for this source
+   * @param tiles List of URIs pointing to tile images
+   * @param options see [TileSetOptions]
+   * @param tileSize width and height (measured in points) of each tiled image in the raster tile
+   *   source
+   */
+  public constructor(
+    id: String,
+    tiles: List<String>,
+    options: TileSetOptions = TileSetOptions(),
+    tileSize: Int = SourceDefaults.RASTER_TILE_SIZE,
+  )
+}
+
+/** Remember a new [RasterDemSource] with the given [tileSize] from the given [uri]. */
+@Composable
+public fun rememberRasterDemSource(
+  uri: String,
+  tileSize: Int = SourceDefaults.RASTER_TILE_SIZE,
+): RasterDemSource =
+  key(uri, tileSize) {
+    rememberUserSource(
+      factory = { RasterDemSource(id = it, uri = uri, tileSize = tileSize) },
+      update = {},
+    )
+  }
+
+@Composable
+public fun rememberRasterDemSource(
+  tiles: List<String>,
+  options: TileSetOptions = TileSetOptions(),
+  tileSize: Int = SourceDefaults.RASTER_TILE_SIZE,
+): RasterDemSource =
+  key(tiles, options, tileSize) {
+    rememberUserSource(
+      factory = { RasterDemSource(id = it, tiles = tiles, options = options, tileSize = tileSize) },
+      update = {},
+    )
+  }

lib/maplibre-compose/src/desktopMain/kotlin/org/maplibre/compose/sources/RasterDemSource.kt

@@ -0,0 +1,18 @@
+package org.maplibre.compose.sources
+
+public actual class RasterDemSource : Source {
+  public actual constructor(id: String, uri: String, tileSize: Int) : super() {
+    this.impl = TODO()
+  }
+
+  public actual constructor(
+    id: String,
+    tiles: List<String>,
+    options: TileSetOptions,
+    tileSize: Int,
+  ) : super() {
+    this.impl = TODO()
+  }
+
+  override val impl: Nothing
+}

lib/maplibre-compose/src/iosMain/kotlin/org/maplibre/compose/sources/RasterDemSource.kt

@@ -0,0 +1,18 @@
+package org.maplibre.compose.sources
+
+public actual class RasterDemSource : Source {
+  public actual constructor(id: String, uri: String, tileSize: Int) : super() {
+    this.impl = TODO()
+  }
+
+  public actual constructor(
+    id: String,
+    tiles: List<String>,
+    options: TileSetOptions,
+    tileSize: Int,
+  ) : super() {
+    this.impl = TODO()
+  }
+
+  override val impl: Nothing
+}

lib/maplibre-compose/src/jsMain/kotlin/org/maplibre/compose/sources/RasterDemSource.kt

@@ -0,0 +1,18 @@
+package org.maplibre.compose.sources
+
+public actual class RasterDemSource : Source {
+  public actual constructor(id: String, uri: String, tileSize: Int) : super() {
+    this.impl = TODO()
+  }
+
+  public actual constructor(
+    id: String,
+    tiles: List<String>,
+    options: TileSetOptions,
+    tileSize: Int,
+  ) : super() {
+    this.impl = TODO()
+  }
+
+  override val impl: Nothing
+}