CalvinBackup/deflock-app
1
0
Fork 0
mirror of https://github.com/FoggedLens/deflock-app.git synced 2026-07-09 14:17:55 +02:00
Code Issues Packages Projects Releases Wiki Activity

limit download max zoom to current layer max zoom

Browse Source
This commit is contained in:
stopflock
2025-12-02 14:32:42 -06:00
parent c4d9cd7986
commit 0d13fdee37
4 changed files with 24 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/widgets/download_area_dialog.dart
+17 -4
View File
@@ -59,10 +59,16 @@ class _DownloadAreaDialogState extends State<DownloadAreaDialog> {
final minZoom = 1; // Always start from zoom 1 to show area overview when zoomed out
final maxZoom = _zoom.toInt();
// Calculate maximum possible zoom based on tile count limit
// Calculate maximum possible zoom based on tile count limit and tile provider max zoom
final maxPossibleZoom = _calculateMaxZoomForTileLimit(bounds, minZoom);
final nTiles = computeTileList(bounds, minZoom, maxZoom).length;
// Clamp current zoom to the effective maximum if it exceeds it
if (_zoom > maxPossibleZoom) {
_zoom = maxPossibleZoom.toDouble();
}
final actualMaxZoom = _zoom.toInt();
final nTiles = computeTileList(bounds, minZoom, actualMaxZoom).length;
final tileEstimateKb = _getTileEstimateKb();
final totalMb = (nTiles * tileEstimateKb) / 1024.0;
final roundedMb = (totalMb * 10).round() / 10; // Round to nearest tenth
@@ -76,15 +82,22 @@ class _DownloadAreaDialogState extends State<DownloadAreaDialog> {
}
/// Calculate the maximum zoom level that keeps tile count under the absolute limit
/// and respects the selected tile type's maximum zoom level
int _calculateMaxZoomForTileLimit(LatLngBounds bounds, int minZoom) {
for (int zoom = minZoom; zoom <= kAbsoluteMaxZoom; zoom++) {
final appState = context.read<AppState>();
final selectedTileType = appState.selectedTileType;
// Use tile type's max zoom if available, otherwise fall back to absolute max
final effectiveMaxZoom = selectedTileType?.maxZoom ?? kAbsoluteMaxZoom;
for (int zoom = minZoom; zoom <= effectiveMaxZoom; zoom++) {
final tileCount = computeTileList(bounds, minZoom, zoom).length;
if (tileCount > kAbsoluteMaxTileCount) {
// Return the previous zoom level that was still under the absolute limit
return math.max(minZoom, zoom - 1);
}
}
return kAbsoluteMaxZoom;
return effectiveMaxZoom;
}
/// Get tile size estimate in KB, using preview tile data if available, otherwise fallback to constant