Node / meshtastic / Meshtastic-Android / files / androidApp / src / google / kotlin / org / meshtastic / app / map / MBTilesProvider.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.app.map

Tff7b72import T7ee787android.database.sqlite.SQLiteDatabase

Tff7b72import T7ee787com.google.android.gms.maps.model.Tile

Tff7b72import T7ee787com.google.android.gms.maps.model.TileProvider

Tff7b72import T7ee787java.io.File

Tff7b72class T56d364MBTilesProviderTb4b4b4(Tff7b72private Tff7b72val Te6edf3fileTb4b4b4: Te6edf3FileTb4b4b4) Tb4b4b4:

Te6edf3TileProviderTb4b4b4,

Te6edf3AutoCloseable Tb4b4b4{

Tff7b72private Tff7b72var Te6edf3databaseTb4b4b4: Te6edf3SQLiteDatabase? Tff7b72= Tff7b72null

Tff7b72init Tb4b4b4{

Te6edf3openDatabaseTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tff7b72private Tff7b72fun Td2a8ffopenDatabaseTb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72if Tb4b4b4(Te6edf3database Tff7b72=Tff7b72= Tff7b72null Tff7b72&Tff7b72& Te6edf3fileTb4b4b4.Te6edf3existsTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3database Tff7b72= Te6edf3SQLiteDatabaseTb4b4b4.Te6edf3openDatabaseTb4b4b4(Te6edf3fileTb4b4b4.Te6edf3absolutePathTb4b4b4, Tff7b72nullTb4b4b4, Te6edf3SQLiteDatabaseTb4b4b4.Te6edf3OPEN_READONLYTb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffgetTileTb4b4b4(Te6edf3xTb4b4b4: Tffa657IntTb4b4b4, Te6edf3yTb4b4b4: Tffa657IntTb4b4b4, Te6edf3zoomTb4b4b4: Tffa657IntTb4b4b4)Tb4b4b4: Te6edf3Tile? Tb4b4b4{

Tff7b72val Te6edf3db Tff7b72= Te6edf3database Tff7b72?: Tff7b72return Tff7b72null

Tff7b72var Te6edf3tileTb4b4b4: Te6edf3Tile? Tff7b72= Tff7b72null

T8b949e// Convert Google Maps y coordinate to standard TMS y coordinate

Tff7b72val Te6edf3tmsY Tff7b72= Tb4b4b4(T79c0ff1 Te6edf3shl Te6edf3zoomTb4b4b4) Tff7b72- T79c0ff1 Tff7b72- Te6edf3y

Tff7b72val Te6edf3cursor Tff7b72=

Te6edf3dbTb4b4b4.Te6edf3rawQueryTb4b4b4(

Ta5d6ff"Ta5d6ffSELECT tile_data FROM tiles WHERE zoom_level = ? AND tile_column = ? AND tile_row = ?Ta5d6ff"Tb4b4b4,

Te6edf3arrayOfTb4b4b4(Te6edf3zoomTb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4)Tb4b4b4, Te6edf3xTb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4)Tb4b4b4, Te6edf3tmsYTb4b4b4.Te6edf3toStringTb4b4b4(Tb4b4b4)Tb4b4b4)Tb4b4b4,

Tb4b4b4)

Tff7b72if Tb4b4b4(Te6edf3cursorTb4b4b4.Te6edf3moveToFirstTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3tileData Tff7b72= Te6edf3cursorTb4b4b4.Te6edf3getBlobTb4b4b4(T79c0ff0Tb4b4b4)

Te6edf3tile Tff7b72= Te6edf3TileTb4b4b4(T79c0ff2T79c0ff5T79c0ff6Tb4b4b4, T79c0ff2T79c0ff5T79c0ff6Tb4b4b4, Te6edf3tileDataTb4b4b4)

Tb4b4b4}

Te6edf3cursorTb4b4b4.Te6edf3closeTb4b4b4(Tb4b4b4)

Tff7b72return Te6edf3tile Tff7b72?: Te6edf3TileProviderTb4b4b4.Te6edf3NO_TILE

Tb4b4b4}

Tff7b72override Tff7b72fun Td2a8ffcloseTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3databaseTff7b72?.Te6edf3closeTb4b4b4(Tb4b4b4)

Te6edf3database Tff7b72= Tff7b72null

Tb4b4b4}

Tb4b4b4}