73 lines
2.6 KiB
Kotlin
73 lines
2.6 KiB
Kotlin
/*
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* Twidere - Twitter client for Android
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*
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* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.mariotaku.twidere.util.glide
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import android.content.Context
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import android.graphics.*
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import com.bumptech.glide.Glide
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import com.bumptech.glide.load.Transformation
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import com.bumptech.glide.load.engine.Resource
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import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool
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import com.bumptech.glide.load.resource.bitmap.BitmapResource
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class RoundedRectTransformation(
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private val bitmapPool: BitmapPool,
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private val radius: Float,
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private val radiusPercent: Float
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) : Transformation<Bitmap> {
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val rectF = RectF()
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constructor(context: Context, radius: Float, radiusPercent: Float) :
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this(Glide.get(context).bitmapPool, radius, radiusPercent)
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override fun transform(resource: Resource<Bitmap>, outWidth: Int, outHeight: Int): Resource<Bitmap> {
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val source = resource.get()
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val width = source.width
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val height = source.height
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val bitmap = bitmapPool.get(width, height, Bitmap.Config.ARGB_8888)
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?: Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
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val canvas = Canvas(bitmap)
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val paint = Paint()
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paint.isAntiAlias = true
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paint.shader = BitmapShader(source, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP)
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rectF.right = width.toFloat()
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rectF.bottom = height.toFloat()
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val calculatedRadius = if (radiusPercent != 0f) {
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width * radiusPercent
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} else {
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radius
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}
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drawRoundRect(canvas, calculatedRadius, paint)
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return BitmapResource.obtain(bitmap, bitmapPool)
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}
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private fun drawRoundRect(canvas: Canvas, radius: Float, paint: Paint) {
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canvas.drawRoundRect(rectF, radius, radius, paint)
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}
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override fun getId(): String {
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return "RoundedRectTransformation(radius=$radius, radiusPercent=$radius)"
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}
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}
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