kscience/maps-kt
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Added new feature to draw points on the map

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This commit is contained in:
a.kalmakhanov 2022-07-27 17:48:59 +06:00
parent 14acd88358
commit 3e2c8d2db2
4 changed files with 45 additions and 0 deletions
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13
demo/maps/src/jvmMain/kotlin/Main.kt
View File

@ -6,6 +6,7 @@ import androidx.compose.material.icons.filled.Home
import androidx.compose.runtime.*
import androidx.compose.ui.geometry.Offset
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.PointMode
import androidx.compose.ui.window.Window
import androidx.compose.ui.window.application
import center.sciprog.maps.compose.*
@ -62,6 +63,18 @@ fun App() {
image(pointOne, Icons.Filled.Home)
points(
points = listOf(
55.742465 to 37.615812,
55.742713 to 37.616370,
55.742815 to 37.616659,
55.742320 to 37.617132,
55.742086 to 37.616566,
55.741715 to 37.616716
),
pointMode = PointMode.Polygon
)
//remember feature Id
val circleId: FeatureId = circle(
centerCoordinates = pointTwo,

13
maps-kt-compose/src/commonMain/kotlin/center/sciprog/maps/compose/MapFeature.kt
View File

@ -3,6 +3,7 @@ package center.sciprog.maps.compose
import androidx.compose.runtime.Composable
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.ImageBitmap
import androidx.compose.ui.graphics.PointMode
import androidx.compose.ui.graphics.drawscope.DrawScope
import androidx.compose.ui.graphics.painter.Painter
import androidx.compose.ui.graphics.vector.ImageVector
@ -48,6 +49,18 @@ public class MapDrawFeature(
}
}
public class MapPointsFeature(
public val points: List<GeodeticMapCoordinates>,
override val zoomRange: IntRange = defaultZoomRange,
public val stroke: Float = 2f,
public val color: Color = Color.Red,
public val pointMode: PointMode = PointMode.Points
) : MapFeature {
override fun getBoundingBox(zoom: Int): GmcBox {
return GmcBox(points.first(), points.last())
}
}
public class MapCircleFeature(
public val center: GeodeticMapCoordinates,
override val zoomRange: IntRange = defaultZoomRange,

10
maps-kt-compose/src/commonMain/kotlin/center/sciprog/maps/compose/MapFeatureBuilder.kt
View File

@ -4,6 +4,7 @@ import androidx.compose.runtime.Composable
import androidx.compose.runtime.mutableStateMapOf
import androidx.compose.runtime.snapshots.SnapshotStateMap
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.graphics.PointMode
import androidx.compose.ui.graphics.drawscope.DrawScope
import androidx.compose.ui.graphics.vector.ImageVector
import androidx.compose.ui.unit.DpSize
@ -116,6 +117,15 @@ public fun MapFeatureBuilder.arc(
)
)
public fun MapFeatureBuilder.points(
points: List<Pair<Double, Double>>,
zoomRange: IntRange = defaultZoomRange,
stroke: Float = 2f,
color: Color = Color.Red,
pointMode: PointMode = PointMode.Points,
id: FeatureId? = null
): FeatureId = addFeature(id, MapPointsFeature(points.map { it.toCoordinates() }, zoomRange, stroke, color, pointMode))
@Composable
public fun MapFeatureBuilder.image(
position: Pair<Double, Double>,

9
maps-kt-compose/src/jvmMain/kotlin/center/sciprog/maps/compose/MapViewJvm.kt
View File

@ -275,6 +275,15 @@ public actual fun MapView(
drawFeature(zoom, it)
}
}
is MapPointsFeature -> {
val points = feature.points.map { it.toOffset() }
drawPoints(
points = points,
color = feature.color,
strokeWidth = feature.stroke,
pointMode = feature.pointMode
)
}
else -> {
logger.error { "Unrecognized feature type: ${feature::class}" }
}