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Shape.scala
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Shape.scala
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/*
* Copyright 2015 Creative Scala
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package doodle
package svg
package algebra
import doodle.algebra.generic._
import doodle.core.Point
import doodle.core.{Transform => Tx}
import scala.collection.mutable
trait ShapeModule { root: Base with SvgModule =>
trait Shape extends GenericShape[SvgResult] {
self: doodle.algebra.Algebra {
type Drawing[A] = doodle.algebra.generic.Finalized[SvgResult, A]
} =>
object ShapeApi extends ShapeApi {
val b = bundle
import b.implicits._
import b.{svgAttrs, svgTags}
def rectangle(
tx: Tx,
fill: Option[Fill],
stroke: Option[Stroke],
width: Double,
height: Double
): SvgResult[Unit] = {
val x = -(width / 2.0)
val y = -(height / 2.0)
val set = mutable.Set.empty[root.Tag]
val style = Svg.toStyle(stroke, fill, set)
val elt = svgTags.rect(
svgAttrs.transform := Svg.toSvgTransform(tx),
svgAttrs.style := style,
svgAttrs.x := x,
svgAttrs.y := y,
svgAttrs.width := width,
svgAttrs.height := height
)
(elt, set, ())
}
def triangle(
tx: Tx,
fill: Option[Fill],
stroke: Option[Stroke],
width: Double,
height: Double
): SvgResult[Unit] = {
val w = width / 2.0
val h = height / 2.0
val points = Array(Point(-w, -h), Point(0, h), Point(w, -h))
val dAttr = Svg.toSvgPath(points, Svg.Closed)
val set = mutable.Set.empty[root.Tag]
val style = Svg.toStyle(stroke, fill, set)
val elt = svgTags.path(
svgAttrs.transform := Svg.toSvgTransform(tx),
svgAttrs.style := style,
svgAttrs.d := dAttr
)
(elt, set, ())
}
def circle(
tx: Tx,
fill: Option[Fill],
stroke: Option[Stroke],
diameter: Double
): SvgResult[Unit] = {
val set = mutable.Set.empty[root.Tag]
val style = Svg.toStyle(stroke, fill, set)
val elt = svgTags.circle(
svgAttrs.transform := Svg.toSvgTransform(tx),
svgAttrs.style := style,
svgAttrs.r := (diameter / 2.0)
)
(elt, set, ())
}
def unit: SvgResult[Unit] = {
(svgTags.g(), mutable.Set.empty, ())
}
}
}
}