Add glyph rerasterization hack for SystemUI. (362dd6d6) · Commits · e / os / android_frameworks_base

core/java/android/view/HardwareCanvas.java

+4 −0

Original line number	Diff line number	Diff line
		@@ -112,4 +112,8 @@ public abstract class HardwareCanvas extends Canvas {

		public abstract void drawCircle(CanvasProperty<Float> cx, CanvasProperty<Float> cy,
		CanvasProperty<Float> radius, CanvasProperty<Paint> paint);

		public static void setProperty(String name, String value) {
		GLES20Canvas.setProperty(name, value);
		}
		}

packages/SystemUI/res/values/dimens.xml

+3 −0

Original line number	Diff line number	Diff line
		@@ -351,4 +351,7 @@

		<!-- The font size of the time when collapsed in QS -->
		<dimen name="qs_time_collapsed_size">14sp</dimen>

		<!-- The font size of the time when expanded in QS -->
		<dimen name="qs_time_expanded_size">20sp</dimen>
		</resources>

packages/SystemUI/res/values/styles.xml

+1 −1

Original line number	Diff line number	Diff line
		@@ -70,7 +70,7 @@
		<style name="TextAppearance.StatusBar.Expanded" parent="@*android:style/TextAppearance.StatusBar" />

		<style name="TextAppearance.StatusBar.Expanded.Clock">
		<item name="android:textSize">20sp</item>
		<item name="android:textSize">@dimen/qs_time_expanded_size</item>
		<item name="android:fontFamily">sans-serif-medium</item>
		<item name="android:textColor">#ffffff</item>
		</style>

packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java

+30 −2

Original line number	Diff line number	Diff line
		@@ -61,7 +61,6 @@ import android.os.Message;
		import android.os.PowerManager;
		import android.os.RemoteException;
		import android.os.SystemClock;
		import android.os.Trace;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.provider.Settings.SettingNotFoundException;
		@@ -73,6 +72,7 @@ import android.util.EventLog;
		import android.util.Log;
		import android.view.Display;
		import android.view.Gravity;
		import android.view.HardwareCanvas;
		import android.view.KeyEvent;
		import android.view.LayoutInflater;
		import android.view.MotionEvent;
		@@ -82,6 +82,7 @@ import android.view.ViewGroup;
		import android.view.ViewGroup.LayoutParams;
		import android.view.ViewPropertyAnimator;
		import android.view.ViewStub;
		import android.view.ViewTreeObserver;
		import android.view.WindowManager;
		import android.view.animation.AccelerateInterpolator;
		import android.view.animation.Animation;
		@@ -119,7 +120,6 @@ import com.android.systemui.statusbar.StatusBarState;
		import com.android.systemui.statusbar.policy.BatteryController;
		import com.android.systemui.statusbar.policy.BluetoothControllerImpl;
		import com.android.systemui.statusbar.policy.CastControllerImpl;
		import com.android.systemui.statusbar.policy.DateView;
		import com.android.systemui.statusbar.policy.FlashlightController;
		import com.android.systemui.statusbar.policy.HeadsUpNotificationView;
		import com.android.systemui.statusbar.policy.KeyguardUserSwitcher;
		@@ -130,6 +130,7 @@ import com.android.systemui.statusbar.policy.RotationLockControllerImpl;
		import com.android.systemui.statusbar.policy.ZenModeController;
		import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
		import com.android.systemui.statusbar.stack.NotificationStackScrollLayout.OnChildLocationsChangedListener;
		import com.android.systemui.statusbar.stack.StackScrollAlgorithm;
		import com.android.systemui.statusbar.stack.StackScrollState.ViewState;
		import com.android.systemui.volume.VolumeComponent;

		@@ -383,6 +384,8 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,

		private final ShadeUpdates mShadeUpdates = new ShadeUpdates();

		private int mDrawCount;

		private static final int VISIBLE_LOCATIONS = ViewState.LOCATION_FIRST_CARD
		\| ViewState.LOCATION_TOP_STACK_PEEKING
		\| ViewState.LOCATION_MAIN_AREA
		@@ -723,9 +726,34 @@ public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
		// listen for USER_SETUP_COMPLETE setting (per-user)
		resetUserSetupObserver();

		startGlyphRasterizeHack();
		return mStatusBarView;
		}

		/**
		* Hack to improve glyph rasterization for scaled text views.
		*/
		private void startGlyphRasterizeHack() {
		mStatusBarView.getViewTreeObserver().addOnPreDrawListener(
		new ViewTreeObserver.OnPreDrawListener() {
		@Override
		public boolean onPreDraw() {
		if (mDrawCount == 1) {
		mStatusBarView.getViewTreeObserver().removeOnPreDrawListener(this);
		HardwareCanvas.setProperty("extraRasterBucket",
		Float.toString(StackScrollAlgorithm.DIMMED_SCALE));
		HardwareCanvas.setProperty("extraRasterBucket", Float.toString(
		mContext.getResources().getDimensionPixelSize(
		R.dimen.qs_time_collapsed_size)
		/ mContext.getResources().getDimensionPixelSize(
		R.dimen.qs_time_expanded_size)));
		}
		mDrawCount++;
		return true;
		}
		});
		}

		@Override
		protected void setZenMode(int mode) {
		super.setZenMode(mode);

packages/SystemUI/src/com/android/systemui/statusbar/stack/StackScrollAlgorithm.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -41,7 +41,7 @@ public class StackScrollAlgorithm {

		/** When a child is activated, the other cards' alpha fade to this value. */
		private static final float ACTIVATED_INVERSE_ALPHA = 0.9f;
		private static final float DIMMED_SCALE = 0.95f;
		public static final float DIMMED_SCALE = 0.95f;

		private int mPaddingBetweenElements;
		private int mCollapsedSize;