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/*
* Copyright 2018 Allan Wang
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.pitchedapps.frost.glide
import android.graphics.Bitmap
import android.graphics.BitmapShader
import android.graphics.Canvas
import android.graphics.Paint
import android.graphics.RectF
import android.graphics.Shader
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool
import com.bumptech.glide.load.resource.bitmap.BitmapTransformation
import com.pitchedapps.frost.utils.Prefs
import java.security.MessageDigest
/**
* Created by Allan Wang on 27/12/17.
*/
class RoundCornerTransformation : BitmapTransformation() {
override fun updateDiskCacheKey(messageDigest: MessageDigest) {
messageDigest.update("FrostRoundCornerTransform-${Prefs.showRoundedIcons}".toByteArray())
}
override fun transform(pool: BitmapPool, toTransform: Bitmap, outWidth: Int, outHeight: Int): Bitmap {
val width = toTransform.width
val height = toTransform.height
val bitmap = pool.get(width, height, Bitmap.Config.ARGB_8888)
bitmap.setHasAlpha(true)
val radius = Math.min(width, height).toFloat() /
(if (Prefs.showRoundedIcons) 2f else 10f)
val canvas = Canvas(bitmap)
val paint = Paint()
paint.isAntiAlias = true
paint.shader = BitmapShader(toTransform, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP)
canvas.drawRoundRect(
RectF(0f, 0f, width.toFloat(), height.toFloat()),
radius, radius, paint
)
return bitmap
}
}
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