Add depth attribute

This commit is contained in:
Alexander Nozik 2022-12-25 14:51:34 +03:00
parent 5ed46b278c
commit 42dbbeea58
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GPG Key ID: F7FCF2DD25C71357
5 changed files with 25 additions and 17 deletions

View File

@ -15,10 +15,7 @@ import androidx.compose.ui.unit.IntOffset
import androidx.compose.ui.unit.IntSize import androidx.compose.ui.unit.IntSize
import androidx.compose.ui.unit.dp import androidx.compose.ui.unit.dp
import center.sciprog.maps.coordinates.Gmc import center.sciprog.maps.coordinates.Gmc
import center.sciprog.maps.features.FeaturesState import center.sciprog.maps.features.*
import center.sciprog.maps.features.PainterFeature
import center.sciprog.maps.features.ViewConfig
import center.sciprog.maps.features.drawFeature
import kotlinx.coroutines.launch import kotlinx.coroutines.launch
import kotlinx.coroutines.supervisorScope import kotlinx.coroutines.supervisorScope
import mu.KotlinLogging import mu.KotlinLogging
@ -130,7 +127,7 @@ public actual fun MapView(
) )
} }
featuresState.features.values.filter { viewPoint.zoom in it.zoomRange }.forEach { feature -> featuresState.features.values.filter { viewPoint.zoom in it.zoomRange }.sortedBy { it.depth }.forEach { feature ->
drawFeature(state, painterCache, feature) drawFeature(state, painterCache, feature)
} }
} }

View File

@ -3,6 +3,8 @@ package center.sciprog.maps.features
import androidx.compose.runtime.mutableStateMapOf import androidx.compose.runtime.mutableStateMapOf
import androidx.compose.ui.graphics.Color import androidx.compose.ui.graphics.Color
public object DepthAttribute : Feature.Attribute<Float>
public object DraggableAttribute : Feature.Attribute<DragHandle<*>> public object DraggableAttribute : Feature.Attribute<DragHandle<*>>
public object SelectableAttribute : Feature.Attribute<(FeatureId<*>, SelectableFeature<*>) -> Unit> public object SelectableAttribute : Feature.Attribute<(FeatureId<*>, SelectableFeature<*>) -> Unit>
@ -14,7 +16,7 @@ public object ColorAttribute : Feature.Attribute<Color>
public class AttributeMap { public class AttributeMap {
public val map: MutableMap<Feature.Attribute<*>, Any> = mutableStateMapOf() public val map: MutableMap<Feature.Attribute<*>, Any> = mutableStateMapOf()
public fun <T, A : Feature.Attribute<T>> setAttribute( public operator fun <T, A : Feature.Attribute<T>> set(
attribute: A, attribute: A,
attrValue: T?, attrValue: T?,
) { ) {
@ -43,3 +45,9 @@ public class AttributeMap {
override fun toString(): String = "AttributeMap(value=${map.entries})" override fun toString(): String = "AttributeMap(value=${map.entries})"
} }
public var Feature<*>.depth: Float
get() = attributes[DepthAttribute] ?: 0f
set(value) {
attributes[DepthAttribute] = value
}

View File

@ -44,7 +44,7 @@ public class FeaturesState<T : Any>(public val coordinateSpace: CoordinateSpace<
public fun <F : Feature<T>, V> setAttribute(id: FeatureId<F>, key: Feature.Attribute<V>, value: V?) { public fun <F : Feature<T>, V> setAttribute(id: FeatureId<F>, key: Feature.Attribute<V>, value: V?) {
getFeature(id).attributes.setAttribute(key, value) getFeature(id).attributes.set(key, value)
} }
//TODO use context receiver for that //TODO use context receiver for that

View File

@ -23,7 +23,12 @@ fun FeaturesState<XY>.background(
offset, offset,
XY(width + offset.x, height + offset.y) XY(width + offset.x, height + offset.y)
) )
return scalableImage(box, id = id, painter = painter) return feature(
id,
ScalableImageFeature(coordinateSpace, box, painter = painter).apply {
depth = -100f
}
)
} }
fun FeaturesState<XY>.circle( fun FeaturesState<XY>.circle(

View File

@ -48,14 +48,12 @@ public fun SchemeView(
} }
clipRect { clipRect {
featuresState.features.values.filterIsInstance<ScalableImageFeature<XY>>().forEach { background -> featuresState.features.values
drawFeature(state, painterCache, background) .filter { viewPoint.zoom in it.zoomRange }
} .sortedBy { it.depth }
featuresState.features.values.filter { .forEach { background ->
it !is ScalableImageFeature && viewPoint.zoom in it.zoomRange drawFeature(state, painterCache, background)
}.forEach { feature -> }
drawFeature(state, painterCache, feature)
}
} }
selectRect?.let { dpRect -> selectRect?.let { dpRect ->
val rect = dpRect.toRect() val rect = dpRect.toRect()