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OpenPath.scala
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OpenPath.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 core
/** Elements are stored in reversed order to make appending, the most common
* operation, more efficient.
*/
final case class OpenPath private (reversed: List[PathElement]) {
def add(element: PathElement): OpenPath =
new OpenPath(element :: reversed)
def append(elements: List[PathElement]): OpenPath =
new OpenPath(elements.reverse ++ reversed)
def append(path: OpenPath): OpenPath =
new OpenPath(path.reversed ++ reversed)
def elements: List[PathElement] = reversed.reverse
def close: ClosedPath = ClosedPath(reversed)
def moveTo(point: Point): OpenPath =
add(PathElement.moveTo(point))
def moveTo(x: Double, y: Double): OpenPath =
moveTo(Point.cartesian(x, y))
def moveTo(r: Double, angle: Angle): OpenPath =
moveTo(Point.polar(r, angle))
def lineTo(point: Point): OpenPath =
add(PathElement.lineTo(point))
def lineTo(x: Double, y: Double): OpenPath =
lineTo(Point.cartesian(x, y))
def lineTo(r: Double, angle: Angle): OpenPath =
lineTo(Point.polar(r, angle))
def curveTo(cp1: Point, cp2: Point, to: Point): OpenPath =
add(PathElement.curveTo(cp1, cp2, to))
def curveTo(
cp1X: Double,
cp1Y: Double,
cp2X: Double,
cp2Y: Double,
toX: Double,
toY: Double
): OpenPath =
curveTo(
Point(cp1X, cp1Y),
Point(cp2X, cp2Y),
Point(toX, toY)
)
def curveTo(
cp1R: Double,
cp1Angle: Angle,
cp2R: Double,
cp2Angle: Angle,
toR: Double,
toAngle: Angle
): OpenPath =
curveTo(
Point(cp1R, cp1Angle),
Point(cp2R, cp2Angle),
Point(toR, toAngle)
)
}
object OpenPath {
val empty: OpenPath = OpenPath(List.empty)
def apply(elts: List[PathElement]): OpenPath =
new OpenPath(elts.reverse)
}