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/*
* Copyright 2019 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.corner
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.ui.unit.Dp
import androidx.ui.unit.dp
import androidx.ui.util.annotation.IntRange
/**
* 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.
*
* @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 left corner
* @param bottomLeft a size of the bottom right corner
*/
class CutCornerShape(
topLeft: CornerSize,
topRight: CornerSize,
bottomRight: CornerSize,
bottomLeft: CornerSize
) : CornerBasedShape(topLeft, topRight, bottomRight, bottomLeft) {
override fun createOutline(
size: Size,
topLeft: Float,
topRight: Float,
bottomRight: Float,
bottomLeft: Float
) = if (topLeft + topRight + bottomLeft + bottomRight == 0.0f) {
Outline.Rectangle(size.toRect())
} else Outline.Generic(Path().apply {
var cornerSize = topLeft
moveTo(0f, cornerSize)
lineTo(cornerSize, 0f)
cornerSize = topRight
lineTo(size.width - cornerSize, 0f)
lineTo(size.width, cornerSize)
cornerSize = bottomRight
lineTo(size.width, size.height - cornerSize)
lineTo(size.width - cornerSize, size.height)
cornerSize = bottomLeft
lineTo(cornerSize, size.height)
lineTo(0f, size.height - cornerSize)
close()
})
override fun copy(
topLeft: CornerSize,
topRight: CornerSize,
bottomRight: CornerSize,
bottomLeft: CornerSize
) = CutCornerShape(
topLeft = topLeft,
topRight = topRight,
bottomRight = bottomRight,
bottomLeft = bottomLeft
)
override fun toString(): String {
return "CutCornerShape(topLeft = $topLeft, topRight = $topRight, bottomRight = " +
"$bottomRight, bottomLeft = $bottomLeft)"
}
}
/**
* Creates [CutCornerShape] with the same size applied for all four corners.
* @param corner [CornerSize] to apply.
*/
/*inline*/ fun CutCornerShape(corner: CornerSize) = CutCornerShape(corner, corner, corner, corner)
/**
* Creates [CutCornerShape] with the same size applied for all four corners.
* @param size Size in [Dp] to apply.
*/
/*inline*/ fun CutCornerShape(size: Dp) = CutCornerShape(CornerSize(size))
/**
* Creates [CutCornerShape] with the same size applied for all four corners.
* @param size Size in pixels to apply.
*/
/*inline*/ fun CutCornerShape(size: Float) = CutCornerShape(CornerSize(size))
/**
* Creates [CutCornerShape] with the same size applied for all four corners.
* @param percent Size in percents to apply.
*/
/*inline*/ fun CutCornerShape(percent: Int) = CutCornerShape(CornerSize(percent))
/**
* Creates [CutCornerShape] with sizes defined in [Dp].
*/
/*inline*/ fun CutCornerShape(
topLeft: Dp = 0.dp,
topRight: Dp = 0.dp,
bottomRight: Dp = 0.dp,
bottomLeft: Dp = 0.dp
) = CutCornerShape(
CornerSize(topLeft),
CornerSize(topRight),
CornerSize(bottomRight),
CornerSize(bottomLeft)
)
/**
* Creates [CutCornerShape] with sizes defined in float.
*/
/*inline*/ fun CutCornerShape(
topLeft: Float = 0.0f,
topRight: Float = 0.0f,
bottomRight: Float = 0.0f,
bottomLeft: Float = 0.0f
) = CutCornerShape(
CornerSize(topLeft),
CornerSize(topRight),
CornerSize(bottomRight),
CornerSize(bottomLeft)
)
/**
* Creates [CutCornerShape] with sizes defined in percents of the shape's smaller side.
*/
/*inline*/ fun CutCornerShape(
@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
) = CutCornerShape(
CornerSize(topLeftPercent),
CornerSize(topRightPercent),
CornerSize(bottomRightPercent),
CornerSize(bottomLeftPercent)
)