@Override
public void draw(BoundingBox boundingBox, byte zoomLevel, Canvas canvas, Point topLeftPoint) {
long tileLeft = MercatorProjection.longitudeToTileX(boundingBox.minLongitude, zoomLevel);
long tileTop = MercatorProjection.latitudeToTileY(boundingBox.maxLatitude, zoomLevel);
long tileRight = MercatorProjection.longitudeToTileX(boundingBox.maxLongitude, zoomLevel);
long tileBottom = MercatorProjection.latitudeToTileY(boundingBox.minLatitude, zoomLevel);
int tileSize = this.displayModel.getTileSize();
int pixelX1 = (int) (MercatorProjection.tileToPixel(tileLeft, tileSize) - topLeftPoint.x);
int pixelY1 = (int) (MercatorProjection.tileToPixel(tileTop, tileSize) - topLeftPoint.y);
int pixelX2 =
(int) (MercatorProjection.tileToPixel(tileRight, tileSize) - topLeftPoint.x + tileSize);
int pixelY2 =
(int) (MercatorProjection.tileToPixel(tileBottom, tileSize) - topLeftPoint.y + tileSize);
for (int lineX = pixelX1; lineX <= pixelX2 + 1; lineX += tileSize) {
canvas.drawLine(lineX, pixelY1, lineX, pixelY2, this.paintBack);
}
for (int lineY = pixelY1; lineY <= pixelY2 + 1; lineY += tileSize) {
canvas.drawLine(pixelX1, lineY, pixelX2, lineY, this.paintBack);
}
for (int lineX = pixelX1; lineX <= pixelX2 + 1; lineX += tileSize) {
canvas.drawLine(lineX, pixelY1, lineX, pixelY2, this.paintFront);
}
for (int lineY = pixelY1; lineY <= pixelY2 + 1; lineY += tileSize) {
canvas.drawLine(pixelX1, lineY, pixelX2, lineY, this.paintFront);
}
}
@Test
public void executeQueryTest() {
MapFile mapFile = new MapFile(MAP_FILE);
MapFileInfo mapFileInfo = mapFile.getMapFileInfo();
Assert.assertTrue(mapFileInfo.debugFile);
for (byte zoomLevel = ZOOM_LEVEL_MIN; zoomLevel <= ZOOM_LEVEL_MAX; ++zoomLevel) {
int tileX = MercatorProjection.longitudeToTileX(0.04, zoomLevel);
int tileY = MercatorProjection.latitudeToTileY(0.04, zoomLevel);
Tile tile = new Tile(tileX, tileY, zoomLevel, 256);
MapReadResult mapReadResult = mapFile.readMapData(tile);
Assert.assertEquals(1, mapReadResult.pointOfInterests.size());
Assert.assertEquals(1, mapReadResult.ways.size());
checkPointOfInterest(mapReadResult.pointOfInterests.get(0));
checkWay(mapReadResult.ways.get(0));
}
mapFile.close();
}
/** Triggers a redraw process of the map. */
public void redraw() {
if (this.getWidth() <= 0 || this.getHeight() <= 0 || isZoomAnimatorRunning()) {
return;
}
MapPosition mapPosition = this.mapViewPosition.getMapPosition();
if (this.mapFile != null) {
GeoPoint geoPoint = mapPosition.geoPoint;
double pixelLeft =
MercatorProjection.longitudeToPixelX(geoPoint.longitude, mapPosition.zoomLevel);
double pixelTop =
MercatorProjection.latitudeToPixelY(geoPoint.latitude, mapPosition.zoomLevel);
pixelLeft -= getWidth() >> 1;
pixelTop -= getHeight() >> 1;
long tileLeft = MercatorProjection.pixelXToTileX(pixelLeft, mapPosition.zoomLevel);
long tileTop = MercatorProjection.pixelYToTileY(pixelTop, mapPosition.zoomLevel);
long tileRight =
MercatorProjection.pixelXToTileX(pixelLeft + getWidth(), mapPosition.zoomLevel);
long tileBottom =
MercatorProjection.pixelYToTileY(pixelTop + getHeight(), mapPosition.zoomLevel);
for (long tileY = tileTop; tileY <= tileBottom; ++tileY) {
for (long tileX = tileLeft; tileX <= tileRight; ++tileX) {
Tile tile = new Tile(tileX, tileY, mapPosition.zoomLevel);
MapGeneratorJob mapGeneratorJob =
new MapGeneratorJob(tile, this.mapFile, this.jobParameters, this.debugSettings);
if (this.inMemoryTileCache.containsKey(mapGeneratorJob)) {
Bitmap bitmap = this.inMemoryTileCache.get(mapGeneratorJob);
this.frameBuffer.drawBitmap(mapGeneratorJob.tile, bitmap);
} else if (this.fileSystemTileCache.containsKey(mapGeneratorJob)) {
Bitmap bitmap = this.fileSystemTileCache.get(mapGeneratorJob);
if (bitmap != null) {
this.frameBuffer.drawBitmap(mapGeneratorJob.tile, bitmap);
this.inMemoryTileCache.put(mapGeneratorJob, bitmap);
} else {
// the image data could not be read from the cache
this.jobQueue.addJob(mapGeneratorJob);
}
} else {
// cache miss
this.jobQueue.addJob(mapGeneratorJob);
}
}
}
this.jobQueue.requestSchedule();
synchronized (this.mapWorker) {
this.mapWorker.notify();
}
}
this.overlayController.redrawOverlays();
if (this.mapScaleBar.isShowMapScaleBar()) {
this.mapScaleBar.redrawScaleBar();
}
invalidateOnUiThread();
}
