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Commit 988b7865 authored by Kshitij's avatar Kshitij
Browse files

fix: De-jank blurring on DPI change 

- Calling createBitmap with just width and height completely disregards the
  density of input bitmap.
- We can just copy input bitmap and overwrite that to save us the trouble
parent 54c92bcb

bliss/src/foundation/e/bliss/blur/BlurWallpaperProvider.kt

+7 −11
Original line number Diff line number Diff line
@@ -180,21 +180,17 @@ class BlurWallpaperProvider(val context: Context) { 
    }



    private fun applyVibrancy(wallpaper: Bitmap): Bitmap {

        val width = wallpaper.width

        val height = wallpaper.height



        val bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)

        val canvas = Canvas()

        canvas.setBitmap(bitmap)

        mVibrancyPaint.colorFilter =

            ColorMatrixColorFilter(ColorMatrix().apply { setSaturation(1.25f) })



        val colorMatrix = ColorMatrix()

        colorMatrix.setSaturation(1.25f)

        val filter = ColorMatrixColorFilter(colorMatrix)

        mVibrancyPaint.colorFilter = filter

        canvas.drawBitmap(wallpaper, 0f, 0f, mVibrancyPaint)

        val bitmap = Bitmap.createBitmap(wallpaper)

        Canvas().apply {

            setBitmap(bitmap)

            drawBitmap(wallpaper, 0f, 0f, mVibrancyPaint)

        }



        wallpaper.recycle()



        return bitmap

    }