mirror of https://github.com/MISP/misp-bump
49 lines
1.3 KiB
Kotlin
49 lines
1.3 KiB
Kotlin
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package lu.circl.mispbump.auxiliary
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import android.graphics.Bitmap
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import android.graphics.BitmapShader
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import android.graphics.Canvas
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import android.graphics.ColorFilter
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import android.graphics.Paint
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import android.graphics.PixelFormat
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import android.graphics.Shader
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import android.graphics.drawable.BitmapDrawable
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import android.graphics.drawable.Drawable
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class TileDrawable(drawable: Drawable, tileMode: Shader.TileMode) : Drawable() {
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private val paint: Paint
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init {
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paint = Paint().apply {
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shader = BitmapShader(getBitmap(drawable), tileMode, tileMode)
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}
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}
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override fun draw(canvas: Canvas) {
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canvas.drawPaint(paint)
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}
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override fun setAlpha(alpha: Int) {
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paint.alpha = alpha
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}
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override fun getOpacity() = PixelFormat.TRANSLUCENT
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override fun setColorFilter(colorFilter: ColorFilter?) {
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paint.colorFilter = colorFilter
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}
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private fun getBitmap(drawable: Drawable): Bitmap {
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if (drawable is BitmapDrawable) {
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return drawable.bitmap
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}
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val bmp = Bitmap.createBitmap(drawable.intrinsicWidth, drawable.intrinsicHeight,
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Bitmap.Config.ARGB_8888)
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val c = Canvas(bmp)
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drawable.setBounds(0, 0, drawable.intrinsicWidth, drawable.intrinsicHeight)
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drawable.draw(c)
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return bmp
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}
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}
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