Android Glide高斯模糊載入圖片
阿新 • • 發佈:2018-11-19
Glide.with(this)
.load(R.mipmap.bg_default_cover)
.crossFade(1000)
.bitmapTransform(new BlurTransformation(EditVideoStoryActivity.this))
.into(ivBg);
public class BlurTransformation extends BitmapTransformation { private RenderScript rs; public BlurTransformation(Context context) { super( context ); rs = RenderScript.create( context ); } @Override protected Bitmap transform(BitmapPool pool, Bitmap toTransform, int outWidth, int outHeight) { Bitmap blurredBitmap = toTransform.copy( Bitmap.Config.ARGB_8888, true ); // Allocate memory for Renderscript to work with Allocation input = Allocation.createFromBitmap( rs, blurredBitmap, Allocation.MipmapControl.MIPMAP_FULL, Allocation.USAGE_SHARED ); Allocation output = Allocation.createTyped(rs, input.getType()); // Load up an instance of the specific script that we want to use. ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs)); script.setInput(input); // Set the blur radius script.setRadius(10); // Start the ScriptIntrinisicBlur script.forEach(output); // Copy the output to the blurred bitmap output.copyTo(blurredBitmap); toTransform.recycle(); return blurredBitmap; } @Override public String getId() { return "blur"; } }