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Merge pull request #16 from SciProgCentre/connect_timeout_exception_handling

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Connect timeout exception handling
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Alexander Nozik 2022-08-26 14:23:51 +03:00 committed by GitHub
commit 6459246eb5
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 64 additions and 54 deletions
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12
maps-kt-compose/src/commonMain/kotlin/center/sciprog/maps/compose/MapFeature.kt
View File

@ -132,4 +132,14 @@ public class MapFeatureGroup(
override val zoomRange: IntRange = defaultZoomRange,
) : MapFeature {
override fun getBoundingBox(zoom: Int): GmcBox? = children.values.mapNotNull { it.getBoundingBox(zoom) }.wrapAll()
}
}
public class MapTextFeature(
public val position: GeodeticMapCoordinates,
public val text: String,
override val zoomRange: IntRange = defaultZoomRange,
public val color: Color,
public val fontConfig: MapTextFeatureFont.() -> Unit,
) : MapFeature {
override fun getBoundingBox(zoom: Int): GmcBox = GmcBox(position, position)
}

20
maps-kt-compose/src/commonMain/kotlin/center/sciprog/maps/compose/MapFeatureBuilder.kt
View File

@ -143,4 +143,22 @@ public fun MapFeatureBuilder.group(
val map = MapFeatureBuilderImpl(emptyMap()).apply(builder).build()
val feature = MapFeatureGroup(map, zoomRange)
return addFeature(id, feature)
}
}
public fun MapFeatureBuilder.text(
position: GeodeticMapCoordinates,
text: String,
zoomRange: IntRange = defaultZoomRange,
color: Color = Color.Red,
font: MapTextFeatureFont.() -> Unit = { size = 16f },
id: FeatureId? = null,
): FeatureId = addFeature(id, MapTextFeature(position, text, zoomRange, color, font))
public fun MapFeatureBuilder.text(
position: Pair<Double, Double>,
text: String,
zoomRange: IntRange = defaultZoomRange,
color: Color = Color.Red,
font: MapTextFeatureFont.() -> Unit = { size = 16f },
id: FeatureId? = null,
): FeatureId = addFeature(id, MapTextFeature(position.toCoordinates(), text, zoomRange, color, font))

5
maps-kt-compose/src/commonMain/kotlin/center/sciprog/maps/compose/MapTextFeatureFont.kt Normal file
View File

@ -0,0 +1,5 @@
package center.sciprog.maps.compose
public expect class MapTextFeatureFont {
public var size: Float
}

35
maps-kt-compose/src/jvmMain/kotlin/center/sciprog/maps/compose/MapTextFeature.kt
View File

@ -1,35 +0,0 @@
package center.sciprog.maps.compose
import androidx.compose.ui.graphics.Color
import center.sciprog.maps.coordinates.GeodeticMapCoordinates
import center.sciprog.maps.coordinates.GmcBox
import org.jetbrains.skia.Font
public class MapTextFeature(
public val position: GeodeticMapCoordinates,
public val text: String,
override val zoomRange: IntRange = defaultZoomRange,
public val color: Color,
public val fontConfig: Font.() -> Unit,
) : MapFeature {
override fun getBoundingBox(zoom: Int): GmcBox = GmcBox(position, position)
}
public fun MapFeatureBuilder.text(
position: GeodeticMapCoordinates,
text: String,
zoomRange: IntRange = defaultZoomRange,
color: Color = Color.Red,
font: Font.() -> Unit = { size = 16f },
id: FeatureId? = null,
): FeatureId = addFeature(id, MapTextFeature(position, text, zoomRange, color, font))
public fun MapFeatureBuilder.text(
position: Pair<Double, Double>,
text: String,
zoomRange: IntRange = defaultZoomRange,
color: Color = Color.Red,
font: Font.() -> Unit = { size = 16f },
id: FeatureId? = null,
): FeatureId = addFeature(id, MapTextFeature(position.toCoordinates(), text, zoomRange, color, font))

5
maps-kt-compose/src/jvmMain/kotlin/center/sciprog/maps/compose/MapTextFeatureFontJvm.kt Normal file
View File

@ -0,0 +1,5 @@
package center.sciprog.maps.compose
import org.jetbrains.skia.Font
public actual typealias MapTextFeatureFont = Font

29
maps-kt-compose/src/jvmMain/kotlin/center/sciprog/maps/compose/MapViewJvm.kt
View File

@ -195,20 +195,21 @@ public actual fun MapView(
for (j in verticalIndices) {
for (i in horizontalIndices) {
val id = TileId(zoom, i, j)
//start all
val deferred = loadTileAsync(id)
//wait asynchronously for it to finish
launch {
try {
try {
//start all
val deferred = loadTileAsync(id)
//wait asynchronously for it to finish
launch {
mapTiles += deferred.await()
} catch (ex: Exception) {
if (ex !is CancellationException) {
//displaying the error is maps responsibility
logger.error(ex) { "Failed to load tile with id=$id" }
}
}
} catch (ex: Exception) {
if (ex !is CancellationException) {
//displaying the error is maps responsibility
logger.error(ex) { "Failed to load tile with id=$id" }
}
}
}
}
}
}
@ -232,6 +233,7 @@ public actual fun MapView(
feature.size,
center = feature.center.toOffset()
)
is MapRectangleFeature -> drawRect(
feature.color,
topLeft = feature.center.toOffset() - Offset(
@ -240,6 +242,7 @@ public actual fun MapView(
),
size = feature.size.toSize()
)
is MapLineFeature -> drawLine(feature.color, feature.a.toOffset(), feature.b.toOffset())
is MapArcFeature -> {
val topLeft = feature.oval.topLeft.toOffset()
@ -252,6 +255,7 @@ public actual fun MapView(
drawPath(path, color = feature.color, style = Stroke())
}
is MapBitmapImageFeature -> drawImage(feature.image, feature.position.toOffset())
is MapVectorImageFeature -> {
val offset = feature.position.toOffset()
@ -262,6 +266,7 @@ public actual fun MapView(
}
}
}
is MapTextFeature -> drawIntoCanvas { canvas ->
val offset = feature.position.toOffset()
canvas.nativeCanvas.drawString(
@ -272,17 +277,20 @@ public actual fun MapView(
feature.color.toPaint()
)
}
is MapDrawFeature -> {
val offset = feature.position.toOffset()
translate(offset.x, offset.y) {
feature.drawFeature(this)
}
}
is MapFeatureGroup -> {
feature.children.values.forEach {
drawFeature(zoom, it)
}
}
is MapPointsFeature -> {
val points = feature.points.map { it.toOffset() }
drawPoints(
@ -292,6 +300,7 @@ public actual fun MapView(
pointMode = feature.pointMode
)
}
else -> {
logger.error { "Unrecognized feature type: ${feature::class}" }
}

12
maps-kt-compose/src/jvmMain/kotlin/center/sciprog/maps/compose/OpenStreetMapTileProvider.kt
View File

@ -24,7 +24,7 @@ import kotlin.io.path.*
public class OpenStreetMapTileProvider(
private val client: HttpClient,
private val cacheDirectory: Path,
parallelism: Int = 1,
parallelism: Int = 4,
cacheCapacity: Int = 200,
) : MapTileProvider {
private val semaphore = Semaphore(parallelism)
@ -37,7 +37,7 @@ public class OpenStreetMapTileProvider(
/**
* Download and cache the tile image
*/
private fun CoroutineScope.downloadImageAsync(id: TileId) = async(Dispatchers.IO) {
private fun CoroutineScope.downloadImageAsync(id: TileId): Deferred<ImageBitmap> = async(Dispatchers.IO) {
id.cacheFilePath()?.let { path ->
if (path.exists()) {
@ -54,9 +54,7 @@ public class OpenStreetMapTileProvider(
semaphore.withPermit {
val url = id.osmUrl()
val byteArray = client.get(url).readBytes()
logger.debug { "Finished downloading map tile with id $id from $url" }
id.cacheFilePath()?.let { path ->
logger.debug { "Caching map tile $id to $path" }
@ -79,11 +77,11 @@ public class OpenStreetMapTileProvider(
//collect the result asynchronously
return async {
val image = try {
val image: ImageBitmap = try {
imageDeferred.await()
} catch (ex: Exception) {
cache.remove(tileId)
if(ex !is CancellationException) {
if (ex !is CancellationException) {
logger.error(ex) { "Failed to load tile image with id=$tileId" }
}
throw ex
@ -96,4 +94,4 @@ public class OpenStreetMapTileProvider(
public companion object {
private val logger = KotlinLogging.logger("OpenStreetMapCache")
}
}
}