Specify light and shadow properties in theme (58c42c35) · Commits · e / os / android_frameworks_base

core/java/android/view/HardwareRenderer.java

+12 −28

Original line number	Diff line number	Diff line
		@@ -247,25 +247,9 @@ public abstract class HardwareRenderer {
		*/
		abstract void detachSurfaceTexture(long hardwareLayer);

		/**
		* Setup the hardware renderer for drawing. This is called whenever the size
		* of the target surface changes or when the surface is first created.
		*
		* @param width Width of the drawing surface.
		* @param height Height of the drawing surface.
		* @param surfaceInsets Insets between the drawing surface and actual
		* surface bounds.
		* @param lightX X position of the shadow casting light
		* @param lightY Y position of the shadow casting light
		* @param lightZ Z position of the shadow casting light
		* @param lightRadius radius of the shadow casting light
		*/
		abstract void setup(int width, int height, Rect surfaceInsets, float lightX, float lightY,
		float lightZ, float lightRadius);

		/**
		* Gets the current width of the surface. This is the width that the surface
		* was last set to in a call to {@link #setup(int, int, Rect, float, float, float, float)}.
		* was last set to in a call to {@link #setup(int, int, Rect)}.
		*
		* @return the current width of the surface
		*/
		@@ -273,7 +257,7 @@ public abstract class HardwareRenderer {

		/**
		* Gets the current height of the surface. This is the height that the surface
		* was last set to in a call to {@link #setup(int, int, Rect, float, float, float, float)}.
		* was last set to in a call to {@link #setup(int, int, Rect)}.
		*
		* @return the current width of the surface
		*/
		@@ -371,19 +355,18 @@ public abstract class HardwareRenderer {
		* @param width The width of the drawing surface.
		* @param height The height of the drawing surface.
		* @param surface The surface to hardware accelerate
		* @param metrics The display metrics used to draw the output.
		* @param surfaceInsets The drawing surface insets to apply
		*
		* @return true if the surface was initialized, false otherwise. Returning
		* false might mean that the surface was already initialized.
		*/
		boolean initializeIfNeeded(int width, int height, Surface surface, Rect surfaceInsets, DisplayMetrics metrics)
		boolean initializeIfNeeded(int width, int height, Surface surface, Rect surfaceInsets)
		throws OutOfResourcesException {
		if (isRequested()) {
		// We lost the gl context, so recreate it.
		if (!isEnabled()) {
		if (initialize(surface)) {
		setup(width, height, surfaceInsets, metrics);
		setup(width, height, surfaceInsets);
		return true;
		}
		}
		@@ -391,13 +374,14 @@ public abstract class HardwareRenderer {
		return false;
		}

		void setup(int width, int height, Rect surfaceInsets, DisplayMetrics metrics) {
		float lightX = width / 2.0f;
		float lightY = -400 * metrics.density;
		float lightZ = 800 * metrics.density;
		float lightRadius = 800 * metrics.density;
		setup(width, height, surfaceInsets, lightX, lightY, lightZ, lightRadius);
		}
		/**
		* Sets up the renderer for drawing.
		*
		* @param width The width of the drawing surface.
		* @param height The height of the drawing surface.
		* @param surfaceInsets The drawing surface insets to apply
		*/
		abstract void setup(int width, int height, Rect surfaceInsets);

		/**
		* Optional, sets the name of the renderer. Useful for debugging purposes.

core/java/android/view/ThreadedRenderer.java

+22 −3

Original line number	Diff line number	Diff line
		@@ -16,8 +16,11 @@

		package android.view;

		import com.android.internal.R;

		import android.content.Context;
		import android.content.res.Resources;
		import android.content.res.TypedArray;
		import android.graphics.Bitmap;
		import android.graphics.Rect;
		import android.graphics.drawable.Drawable;
		@@ -78,6 +81,13 @@ public class ThreadedRenderer extends HardwareRenderer {
		// applied as translation when updating the root render node.
		private int mInsetTop, mInsetLeft;

		// Light and shadow properties specified by the theme.
		private final float mLightY;
		private final float mLightZ;
		private final float mLightRadius;
		private final float mAmbientShadowAlpha;
		private final float mSpotShadowAlpha;

		private long mNativeProxy;
		private boolean mInitialized = false;
		private RenderNode mRootNode;
		@@ -85,6 +95,15 @@ public class ThreadedRenderer extends HardwareRenderer {
		private boolean mProfilingEnabled;

		ThreadedRenderer(Context context, boolean translucent) {
		final TypedArray a = context.obtainStyledAttributes(
		null, R.styleable.Lighting, R.attr.lightingStyle, 0);
		mLightY = a.getDimension(R.styleable.Lighting_lightY, 0);
		mLightZ = a.getDimension(R.styleable.Lighting_lightZ, 0);
		mLightRadius = a.getDimension(R.styleable.Lighting_lightRadius, 0);
		mAmbientShadowAlpha = a.getFloat(R.styleable.Lighting_ambientShadowAlpha, 0);
		mSpotShadowAlpha = a.getFloat(R.styleable.Lighting_spotShadowAlpha, 0);
		a.recycle();

		long rootNodePtr = nCreateRootRenderNode();
		mRootNode = RenderNode.adopt(rootNodePtr);
		mRootNode.setClipToBounds(false);
		@@ -164,8 +183,8 @@ public class ThreadedRenderer extends HardwareRenderer {
		}

		@Override
		void setup(int width, int height, Rect surfaceInsets, float lightX, float lightY, float lightZ,
		float lightRadius) {
		void setup(int width, int height, Rect surfaceInsets) {
		final float lightX = width / 2.0f;
		mWidth = width;
		mHeight = height;
		if (surfaceInsets != null) {
		@@ -180,7 +199,7 @@ public class ThreadedRenderer extends HardwareRenderer {
		mSurfaceHeight = height;
		}
		mRootNode.setLeftTopRightBottom(-mInsetLeft, -mInsetTop, mSurfaceWidth, mSurfaceHeight);
		nSetup(mNativeProxy, mSurfaceWidth, mSurfaceHeight, lightX, lightY, lightZ, lightRadius);
		nSetup(mNativeProxy, mSurfaceWidth, mSurfaceHeight, lightX, mLightY, mLightZ, mLightRadius);
		}

		@Override

core/java/android/view/ViewRootImpl.java

+3 −6

Original line number	Diff line number	Diff line
		@@ -1714,8 +1714,7 @@ public final class ViewRootImpl implements ViewParent,
		mWidth != mAttachInfo.mHardwareRenderer.getWidth() \|\|
		mHeight != mAttachInfo.mHardwareRenderer.getHeight()) {
		final Rect shadowInsets = params != null ? params.shadowInsets : null;
		mAttachInfo.mHardwareRenderer.setup(mWidth, mHeight, shadowInsets,
		mAttachInfo.mRootView.getResources().getDisplayMetrics());
		mAttachInfo.mHardwareRenderer.setup(mWidth, mHeight, shadowInsets);
		if (!hwInitialized) {
		mAttachInfo.mHardwareRenderer.invalidate(mSurface);
		mFullRedrawNeeded = true;
		@@ -2459,8 +2458,7 @@ public final class ViewRootImpl implements ViewParent,

		try {
		attachInfo.mHardwareRenderer.initializeIfNeeded(
		mWidth, mHeight, mSurface, surfaceInsets,
		attachInfo.mRootView.getResources().getDisplayMetrics());
		mWidth, mHeight, mSurface, surfaceInsets);
		} catch (OutOfResourcesException e) {
		handleOutOfResourcesException(e);
		return;
		@@ -3159,8 +3157,7 @@ public final class ViewRootImpl implements ViewParent,
		final WindowManager.LayoutParams lp = mWindowAttributes;
		final Rect surfaceInsets = lp != null ? lp.shadowInsets : null;
		mAttachInfo.mHardwareRenderer.initializeIfNeeded(
		mWidth, mHeight, mSurface, surfaceInsets,
		mAttachInfo.mRootView.getResources().getDisplayMetrics());
		mWidth, mHeight, mSurface, surfaceInsets);
		} catch (OutOfResourcesException e) {
		Log.e(TAG, "OutOfResourcesException locking surface", e);
		try {

core/res/res/values/attrs.xml

+17 −0

Original line number	Diff line number	Diff line
		@@ -985,6 +985,14 @@

		<!-- The color applied to framework buttons in their normal state. -->
		<attr name="colorButtonNormal" format="color" />

		<!-- ================== -->
		<!-- Hardware rendering -->
		<!-- ================== -->
		<eat-comment />

		<!-- Reference to the Lighting style. -->
		<attr name="lightingStyle" format="reference" />
		</declare-styleable>

		<!-- **************************************************************** -->
		@@ -7141,4 +7149,13 @@
		<attr name="layout_ignoreOffset" format="boolean" />
		<attr name="layout_gravity" />
		</declare-styleable>

		<!-- @hide -->
		<declare-styleable name="Lighting">
		<attr name="lightY" format="dimension" />
		<attr name="lightZ" format="dimension" />
		<attr name="lightRadius" format="dimension" />
		<attr name="ambientShadowAlpha" format="float" />
		<attr name="spotShadowAlpha" format="float" />
		</declare-styleable>
		</resources>

core/res/res/values/styles.xml

+8 −0

Original line number	Diff line number	Diff line
		@@ -1362,4 +1362,12 @@ please see styles_device_defaults.xml.
		<item name="padding">16dp</item>
		</style>

		<style name="Lighting">
		<item name="lightY">-200dp</item>
		<item name="lightZ">800dp</item>
		<item name="lightRadius">800dp</item>
		<item name="ambientShadowAlpha">0.125</item>
		<item name="spotShadowAlpha">0.25</item>
		</style>

		</resources>