112 lines
3.2 KiB
Kotlin

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