Merge "Add pixel scaling to ScreenDecorationUtils" into main

import android.content.Context;

import android.content.res.Resources;

import android.util.DisplayUtils;

import android.view.Display;

import android.view.DisplayInfo;

import android.view.RoundedCorners;

import com.android.internal.R;

            bottomRadius = defaultRadius;

        }

        // If the physical pixels are scaled, apply it here

        float scale = getPhysicalPixelDisplaySizeRatio(context);

        if (scale != 1f) {

            topRadius = topRadius * scale;

            bottomRadius = bottomRadius * scale;

        }

        // Always use the smallest radius to make sure the rounded corners will

        // completely cover the display.

        return Math.min(topRadius, bottomRadius);

    }

    static float getPhysicalPixelDisplaySizeRatio(Context context) {

        DisplayInfo displayInfo = new DisplayInfo();

        context.getDisplay().getDisplayInfo(displayInfo);

        final Display.Mode maxDisplayMode =

                DisplayUtils.getMaximumResolutionDisplayMode(displayInfo.supportedModes);

        if (maxDisplayMode == null) {

            return 1f;

        }

        return DisplayUtils.getPhysicalPixelDisplaySizeRatio(

                maxDisplayMode.getPhysicalWidth(), maxDisplayMode.getPhysicalHeight(),

                displayInfo.getNaturalWidth(), displayInfo.getNaturalHeight());

    }

    /**

     * If live rounded corners are supported on windows.

     */