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android: implement Aero effect

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pengfei.zhou 2021-11-25 15:05:33 +08:00 committed by osborn
parent bf5a8c0e9a
commit cc014a6061
1 changed files with 15 additions and 10 deletions
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25
doric-android/doric/src/main/java/pub/doric/shader/AeroEffectView.java
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@ -80,29 +80,34 @@ public class AeroEffectView extends DoricLayer {
} }
Bitmap blurredBitmap; Bitmap blurredBitmap;
int radius = 15; int radius = 15;
float scale = Math.max(blurringBitmap.getWidth() / 50f, blurringBitmap.getHeight() / 50f); Paint paint = new Paint();
paint.setAntiAlias(true);
float scale = Math.max(1, Math.max(blurringBitmap.getWidth() / 50f, blurringBitmap.getHeight() / 50f));
int scaledWidth = (int) (blurringBitmap.getWidth() / scale); int scaledWidth = (int) (blurringBitmap.getWidth() / scale);
int scaledHeight = (int) (blurringBitmap.getHeight() / scale); int scaledHeight = (int) (blurringBitmap.getHeight() / scale);
if (mScaledBitmap == null if (mScaledBitmap == null
|| mScaledBitmap.getWidth() != scaledWidth || mScaledBitmap.getWidth() != scaledWidth
|| mScaledBitmap.getHeight() != scaledHeight) { || mScaledBitmap.getHeight() != scaledHeight) {
mScaledBitmap = Bitmap.createScaledBitmap(blurringBitmap, scaledWidth, scaledHeight, true); mScaledBitmap = Bitmap.createBitmap(scaledWidth, scaledHeight, Bitmap.Config.ARGB_8888);
mScaledCanvas = new Canvas(mScaledBitmap); mScaledCanvas = new Canvas(mScaledBitmap);
} else {
mScaledCanvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
Matrix matrix = new Matrix();
matrix.setScale(1 / scale, 1 / scale);
mScaledCanvas.drawBitmap(blurringBitmap, matrix, null);
} }
mScaledCanvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
mScaledCanvas.drawBitmap(blurringBitmap,
new Rect(0, 0, blurringBitmap.getWidth(), blurringBitmap.getHeight()),
new Rect(0, 0, scaledWidth, scaledHeight),
paint);
blurredBitmap = DoricUtils.blur(getContext(), mScaledBitmap, radius); blurredBitmap = DoricUtils.blur(getContext(), mScaledBitmap, radius);
if (mEffectiveRect != null) { if (mEffectiveRect != null) {
mFullCanvas.save();
mFullCanvas.clipRect(mEffectiveRect);
mFullCanvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
mFullCanvas.restore();
mFullCanvas.drawBitmap(blurredBitmap, mFullCanvas.drawBitmap(blurredBitmap,
new Rect(0, 0, blurredBitmap.getWidth(), blurredBitmap.getHeight()), new Rect(0, 0, blurredBitmap.getWidth(), blurredBitmap.getHeight()),
mEffectiveRect, mEffectiveRect,
null); paint);
} else { } else {
Paint paint = new Paint(); mFullCanvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
paint.setAntiAlias(true);
mFullCanvas.drawBitmap(blurredBitmap, mFullCanvas.drawBitmap(blurredBitmap,
new Rect(0, 0, blurredBitmap.getWidth(), blurredBitmap.getHeight()), new Rect(0, 0, blurredBitmap.getWidth(), blurredBitmap.getHeight()),
new Rect(0, 0, mFullBitmap.getWidth(), mFullBitmap.getHeight()), new Rect(0, 0, mFullBitmap.getWidth(), mFullBitmap.getHeight()),