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BlendSyntax.scala
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BlendSyntax.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 syntax
import doodle.algebra.Algebra
import doodle.algebra.Blend
import doodle.algebra.Picture
trait BlendSyntax {
implicit class BlendPictureOps[Alg <: Algebra, A](
picture: Picture[Alg, A]
) {
def screen: Picture[Alg with Blend, A] =
new Picture[Alg with Blend, A] {
def apply(implicit algebra: Alg with Blend): algebra.Drawing[A] =
algebra.screen(picture(algebra))
}
def burn: Picture[Alg with Blend, A] =
new Picture[Alg with Blend, A] {
def apply(implicit algebra: Alg with Blend): algebra.Drawing[A] =
algebra.burn(picture(algebra))
}
def dodge: Picture[Alg with Blend, A] =
new Picture[Alg with Blend, A] {
def apply(implicit algebra: Alg with Blend): algebra.Drawing[A] =
algebra.dodge(picture(algebra))
}
def lighten: Picture[Alg with Blend, A] =
new Picture[Alg with Blend, A] {
def apply(implicit algebra: Alg with Blend): algebra.Drawing[A] =
algebra.lighten(picture(algebra))
}
def sourceOver: Picture[Alg with Blend, A] =
new Picture[Alg with Blend, A] {
def apply(implicit algebra: Alg with Blend): algebra.Drawing[A] =
algebra.sourceOver(picture(algebra))
}
}
}