/*
* Copyright 2020 The Android Open Source Project
*
* 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 androidx.compose.foundation.shape
import androidx.compose.ui.geometry.Size
import androidx.compose.ui.geometry.toRect
import androidx.compose.ui.graphics.Outline
import androidx.compose.ui.graphics.Path
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.LayoutDirection
import androidx.compose.ui.unit.dp
/**
* A shape describing the rectangle with cut corners.
* Corner size is representing the cut length - the size of both legs of the cut's right triangle.
*
* This shape will not automatically mirror the corner sizes in [LayoutDirection.Rtl], use
* [CutCornerShape] for the layout direction aware version of this shape.
*
* @param topLeft a size of the top left corner
* @param topRight a size of the top right corner
* @param bottomRight a size of the bottom right corner
* @param bottomLeft a size of the bottom left corner
*/
class AbsoluteCutCornerShape(
topLeft: CornerSize,
topRight: CornerSize,
bottomRight: CornerSize,
bottomLeft: CornerSize
) : CornerBasedShape(
topStart = topLeft,
topEnd = topRight,
bottomEnd = bottomRight,
bottomStart = bottomLeft
) {
override fun createOutline(
size: Size,
topStart: Float,
topEnd: Float,
bottomEnd: Float,
bottomStart: Float,
layoutDirection: LayoutDirection
) = if (topStart + topEnd + bottomStart + bottomEnd == 0.0f) {
Outline.Rectangle(size.toRect())
} else Outline.Generic(
Path().apply {
var cornerSize = topStart
moveTo(0f, cornerSize)
lineTo(cornerSize, 0f)
cornerSize = topEnd
lineTo(size.width - cornerSize, 0f)
lineTo(size.width, cornerSize)
cornerSize = bottomEnd
lineTo(size.width, size.height - cornerSize)
lineTo(size.width - cornerSize, size.height)
cornerSize = bottomStart
lineTo(cornerSize, size.height)
lineTo(0f, size.height - cornerSize)
close()
}
)
override fun copy(
topStart: CornerSize,
topEnd: CornerSize,
bottomEnd: CornerSize,
bottomStart: CornerSize
) = AbsoluteCutCornerShape(
topLeft = topStart,
topRight = topEnd,
bottomRight = bottomEnd,
bottomLeft = bottomStart
)
override fun toString(): String {
return "AbsoluteCutCornerShape(topLeft = $topStart, topRight = $topEnd, bottomRight = " +
"$bottomEnd, bottomLeft = $bottomStart)"
}
override fun equals(other: Any?): Boolean {
if (this === other) return true
if (other !is AbsoluteCutCornerShape) return false
if (topStart != other.topStart) return false
if (topEnd != other.topEnd) return false
if (bottomEnd != other.bottomEnd) return false
if (bottomStart != other.bottomStart) return false
return true
}
override fun hashCode(): Int {
var result = topStart.hashCode()
result = 31 * result + topEnd.hashCode()
result = 31 * result + bottomEnd.hashCode()
result = 31 * result + bottomStart.hashCode()
return result
}
}
/**
* Creates [AbsoluteCutCornerShape] with the same size applied for all four corners.
* @param corner [CornerSize] to apply.
*/
fun AbsoluteCutCornerShape(corner: CornerSize) =
AbsoluteCutCornerShape(corner, corner, corner, corner)
/**
* Creates [AbsoluteCutCornerShape] with the same size applied for all four corners.
* @param size Size in [Dp] to apply.
*/
fun AbsoluteCutCornerShape(size: Dp) = AbsoluteCutCornerShape(CornerSize(size))
/**
* Creates [AbsoluteCutCornerShape] with the same size applied for all four corners.
* @param size Size in pixels to apply.
*/
fun AbsoluteCutCornerShape(size: Float) = AbsoluteCutCornerShape(CornerSize(size))
/**
* Creates [AbsoluteCutCornerShape] with the same size applied for all four corners.
* @param percent Size in percents to apply.
*/
fun AbsoluteCutCornerShape(percent: Int) = AbsoluteCutCornerShape(CornerSize(percent))
/**
* Creates [AbsoluteCutCornerShape] with sizes defined in [Dp].
*/
fun AbsoluteCutCornerShape(
topLeft: Dp = 0.dp,
topRight: Dp = 0.dp,
bottomRight: Dp = 0.dp,
bottomLeft: Dp = 0.dp
) = AbsoluteCutCornerShape(
topLeft = CornerSize(topLeft),
topRight = CornerSize(topRight),
bottomRight = CornerSize(bottomRight),
bottomLeft = CornerSize(bottomLeft)
)
/**
* Creates [AbsoluteCutCornerShape] with sizes defined in float.
*/
fun AbsoluteCutCornerShape(
topLeft: Float = 0.0f,
topRight: Float = 0.0f,
bottomRight: Float = 0.0f,
bottomLeft: Float = 0.0f
) = AbsoluteCutCornerShape(
topLeft = CornerSize(topLeft),
topRight = CornerSize(topRight),
bottomRight = CornerSize(bottomRight),
bottomLeft = CornerSize(bottomLeft)
)
/**
* Creates [AbsoluteCutCornerShape] with sizes defined in percents of the shape's smaller side.
*
* @param topLeftPercent The top left corner clip size as a percentage of the smaller side, with a
* range of 0 - 100.
* @param topRightPercent The top right corner clip size as a percentage of the smaller side, with a
* range of 0 - 100.
* @param bottomRightPercent The bottom right clip size radius as a percentage of the smaller side,
* with a range of 0 - 100.
* @param bottomLeftPercent The bottom left clip size radius as a percentage of the smaller side,
* with a range of 0 - 100.
*/
fun AbsoluteCutCornerShape(
/*@IntRange(from = 0, to = 100)*/
topLeftPercent: Int = 0,
/*@IntRange(from = 0, to = 100)*/
topRightPercent: Int = 0,
/*@IntRange(from = 0, to = 100)*/
bottomRightPercent: Int = 0,
/*@IntRange(from = 0, to = 100)*/
bottomLeftPercent: Int = 0
) = AbsoluteCutCornerShape(
topLeft = CornerSize(topLeftPercent),
topRight = CornerSize(topRightPercent),
bottomRight = CornerSize(bottomRightPercent),
bottomLeft = CornerSize(bottomLeftPercent)
)