112 lines
3.2 KiB
Kotlin
112 lines
3.2 KiB
Kotlin
package center.sciprog.maps.scheme
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import androidx.compose.runtime.Composable
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import androidx.compose.ui.graphics.Color
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import androidx.compose.ui.graphics.drawscope.DrawScope
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import androidx.compose.ui.graphics.painter.Painter
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import androidx.compose.ui.graphics.vector.ImageVector
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import androidx.compose.ui.unit.Dp
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import androidx.compose.ui.unit.DpSize
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import androidx.compose.ui.unit.dp
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import center.sciprog.attributes.Attributes
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import center.sciprog.maps.features.*
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import space.kscience.kmath.geometry.Angle
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import kotlin.math.ceil
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internal fun Pair<Number, Number>.toCoordinates(): XY = XY(first.toFloat(), second.toFloat())
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public fun FeatureGroup<XY>.background(
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width: Float,
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height: Float,
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offset: XY = XY(0f, 0f),
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id: String? = null,
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painter: @Composable () -> Painter,
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): FeatureRef<XY, ScalableImageFeature<XY>> {
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val box = XYRectangle(
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offset,
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XY(width + offset.x, height + offset.y)
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)
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return feature(
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id,
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ScalableImageFeature(
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space,
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box,
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painter = painter,
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attributes = Attributes(ZAttribute, -100f)
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)
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)
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}
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public fun FeatureGroup<XY>.circle(
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centerCoordinates: Pair<Number, Number>,
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size: Dp = 5.dp,
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id: String? = null,
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): FeatureRef<XY, CircleFeature<XY>> = circle(centerCoordinates.toCoordinates(), size, id = id)
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public fun FeatureGroup<XY>.draw(
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position: Pair<Number, Number>,
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id: String? = null,
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draw: DrawScope.() -> Unit,
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): FeatureRef<XY, DrawFeature<XY>> = draw(position.toCoordinates(), id = id, draw = draw)
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public fun FeatureGroup<XY>.line(
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aCoordinates: Pair<Number, Number>,
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bCoordinates: Pair<Number, Number>,
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id: String? = null,
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): FeatureRef<XY, LineFeature<XY>> = line(aCoordinates.toCoordinates(), bCoordinates.toCoordinates(), id = id)
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public fun FeatureGroup<XY>.arc(
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center: Pair<Double, Double>,
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radius: Float,
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startAngle: Angle,
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arcLength: Angle,
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id: String? = null,
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): FeatureRef<XY, ArcFeature<XY>> = arc(
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oval = XYCoordinateSpace.Rectangle(center.toCoordinates(), 2*radius, 2*radius),
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startAngle = startAngle,
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arcLength = arcLength,
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id = id
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)
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public fun FeatureGroup<XY>.image(
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position: Pair<Number, Number>,
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image: ImageVector,
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size: DpSize = DpSize(image.defaultWidth, image.defaultHeight),
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id: String? = null,
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): FeatureRef<XY, VectorIconFeature<XY>> =
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icon(position.toCoordinates(), image, size = size, id = id)
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public fun FeatureGroup<XY>.text(
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position: Pair<Number, Number>,
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text: String,
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id: String? = null,
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): FeatureRef<XY, TextFeature<XY>> = text(position.toCoordinates(), text, id = id)
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public fun FeatureGroup<XY>.pixelMap(
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rectangle: Rectangle<XY>,
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xSize: Float,
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ySize: Float,
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id: String? = null,
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builder: (XY) -> Color?,
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): FeatureRef<XY, PixelMapFeature<XY>> = feature(
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id,
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PixelMapFeature(
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space,
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rectangle,
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Structure2D(
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ceil(rectangle.width / xSize).toInt(),
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ceil(rectangle.height / ySize).toInt()
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) { (i, j) ->
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val longitude = rectangle.left + xSize * i
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val latitude = rectangle.bottom + ySize * j
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builder(
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XY(latitude, longitude)
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)
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}
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)
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)
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