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library/src/main/java/app/juky/squircleview/utils/SquircleShape.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| package app.juky.squircleview.utils | ||
|
|
||
| import android.graphics.Rect | ||
| import android.graphics.RectF | ||
| import android.graphics.drawable.ShapeDrawable | ||
| import android.graphics.drawable.shapes.PathShape | ||
| import android.view.View | ||
| import com.google.android.material.shape.CornerSize | ||
| import com.google.android.material.shape.CutCornerTreatment | ||
| import com.google.android.material.shape.ShapeAppearanceModel | ||
| import com.google.android.material.shape.ShapePath | ||
|
|
||
| /** | ||
| * This class provides a ShapePath, ShapeAppearance and ShapeDrawable which can be used | ||
| * instead of the custom view, allowing you to use the default shapes in Android. | ||
| */ | ||
| object SquircleShape { | ||
| fun getSquirclePath(rect: RectF, width: Int, height: Int): ShapePath { | ||
| val radius = SquirclePath.getRadiusByHeightOrWidth(height, width) | ||
|
|
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| val startX = rect.left | ||
| val endX = rect.right | ||
| val startY = rect.top | ||
| val endY = rect.bottom | ||
|
|
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| val path = ShapePath() | ||
|
|
||
| // Top left corner | ||
| path.cubicToPoint( | ||
| startX, | ||
| startY, | ||
| startX, | ||
| startY, | ||
| startX + radius, | ||
| startY | ||
| ) | ||
|
|
||
| // Top line | ||
| path.lineTo(endX - radius, startY) | ||
|
|
||
| // Top right corner | ||
| path.cubicToPoint( | ||
| endX, | ||
| startY, | ||
| endX, | ||
| startY, | ||
| endX, | ||
| startY + radius, | ||
| ) | ||
|
|
||
| // Right line | ||
| path.lineTo(endX, endY - radius) | ||
|
|
||
| // Bottom right corner | ||
| path.cubicToPoint( | ||
| endX, | ||
| endY, | ||
| endX, | ||
| endY, | ||
| endX - radius, | ||
| endY, | ||
| ) | ||
|
|
||
| // Bottom line | ||
| path.lineTo(startX + radius, endY) | ||
|
|
||
| // Bottom left corner | ||
| path.cubicToPoint( | ||
| startX, | ||
| endY, | ||
| startX, | ||
| endY, | ||
| startX, | ||
| endY - radius, | ||
| ) | ||
|
|
||
| return path | ||
| } | ||
|
|
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| fun getShapeAppearance(): ShapeAppearanceModel.Builder = | ||
| ShapeAppearanceModel.builder().setAllCorners(SquircleCornerTreatment()) | ||
|
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| fun getShapeDrawable(view: View): ShapeDrawable { | ||
| val path = SquirclePath.getSquirclePath( | ||
| rect = RectF(0f, 0f, view.width.toFloat(), view.height.toFloat()), | ||
| width = view.width, | ||
| height = view.height | ||
| ) | ||
|
|
||
| return object : ShapeDrawable(PathShape(path, view.width.toFloat(), view.height.toFloat())) { | ||
| override fun onBoundsChange(bounds: Rect) { | ||
| super.onBoundsChange(bounds) | ||
| shape = PathShape( | ||
| SquirclePath.getSquirclePath( | ||
| RectF(0f, 0f, bounds.width().toFloat(), bounds.height().toFloat()), | ||
| width = bounds.width(), | ||
| height = bounds.height() | ||
| ), | ||
| bounds.width().toFloat(), | ||
| bounds.height().toFloat() | ||
| ) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * CornerTreatment used to apply a treatment to the corners of buttons, images, constraintlayouts, etc. | ||
| */ | ||
| class SquircleCornerTreatment : CutCornerTreatment() { | ||
| override fun getCornerPath(shapePath: ShapePath, angle: Float, interpolation: Float, bounds: RectF, size: CornerSize) { | ||
| val startX = 0f | ||
| val startY = 0f | ||
| val radius = SquirclePath.getRadiusByHeightOrWidth(bounds.height().toInt(), bounds.width().toInt()) | ||
|
|
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| shapePath.lineTo(startX, startY + radius) | ||
| shapePath.reset(0f, radius) | ||
|
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| shapePath.cubicToPoint( | ||
| startX, | ||
| startY, | ||
| startX, | ||
| startY, | ||
| startX + radius, | ||
| startY | ||
| ) | ||
| } | ||
| } | ||
| } |
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