Merge "Cache display lists for Drawables" (0ae6a7a2) · Commits · e / os / android_frameworks_base

api/current.txt

+2 −13

Original line number	Diff line number	Diff line
		@@ -10338,7 +10338,6 @@ package android.graphics.drawable {
		ctor public BitmapDrawable(android.content.res.Resources, java.lang.String);
		ctor public deprecated BitmapDrawable(java.io.InputStream);
		ctor public BitmapDrawable(android.content.res.Resources, java.io.InputStream);
		method public void draw(android.graphics.Canvas);
		method public final android.graphics.Bitmap getBitmap();
		method public final android.graphics.drawable.Drawable.ConstantState getConstantState();
		method public int getGravity();
		@@ -10364,7 +10363,6 @@ package android.graphics.drawable {

		public class ClipDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Drawable.Callback {
		ctor public ClipDrawable(android.graphics.drawable.Drawable, int, int);
		method public void draw(android.graphics.Canvas);
		method public int getOpacity();
		method public void invalidateDrawable(android.graphics.drawable.Drawable);
		method public void scheduleDrawable(android.graphics.drawable.Drawable, java.lang.Runnable, long);
		@@ -10378,7 +10376,6 @@ package android.graphics.drawable {
		public class ColorDrawable extends android.graphics.drawable.Drawable {
		ctor public ColorDrawable();
		ctor public ColorDrawable(int);
		method public void draw(android.graphics.Canvas);
		method public int getColor();
		method public int getOpacity();
		method public void setAlpha(int);
		@@ -10397,7 +10394,7 @@ package android.graphics.drawable {
		method public static android.graphics.drawable.Drawable createFromStream(java.io.InputStream, java.lang.String);
		method public static android.graphics.drawable.Drawable createFromXml(android.content.res.Resources, org.xmlpull.v1.XmlPullParser) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
		method public static android.graphics.drawable.Drawable createFromXmlInner(android.content.res.Resources, org.xmlpull.v1.XmlPullParser, android.util.AttributeSet) throws java.io.IOException, org.xmlpull.v1.XmlPullParserException;
		method public abstract void draw(android.graphics.Canvas);
		method public void draw(android.graphics.Canvas);
		method public int getAlpha();
		method public final android.graphics.Rect getBounds();
		method public android.graphics.drawable.Drawable.Callback getCallback();
		@@ -10421,6 +10418,7 @@ package android.graphics.drawable {
		method public void jumpToCurrentState();
		method public android.graphics.drawable.Drawable mutate();
		method protected void onBoundsChange(android.graphics.Rect);
		method protected void onDraw(android.graphics.Canvas);
		method protected boolean onLevelChange(int);
		method protected boolean onStateChange(int[]);
		method public static int resolveOpacity(int, int);
		@@ -10456,7 +10454,6 @@ package android.graphics.drawable {

		public class DrawableContainer extends android.graphics.drawable.Drawable implements android.graphics.drawable.Drawable.Callback {
		ctor public DrawableContainer();
		method public void draw(android.graphics.Canvas);
		method public int getOpacity();
		method public void invalidateDrawable(android.graphics.drawable.Drawable);
		method public void scheduleDrawable(android.graphics.drawable.Drawable, java.lang.Runnable, long);
		@@ -10497,7 +10494,6 @@ package android.graphics.drawable {
		public class GradientDrawable extends android.graphics.drawable.Drawable {
		ctor public GradientDrawable();
		ctor public GradientDrawable(android.graphics.drawable.GradientDrawable.Orientation, int[]);
		method public void draw(android.graphics.Canvas);
		method public int getOpacity();
		method public android.graphics.drawable.GradientDrawable.Orientation getOrientation();
		method public boolean onStateChange(int[]);
		@@ -10544,7 +10540,6 @@ package android.graphics.drawable {
		public class InsetDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Drawable.Callback {
		ctor public InsetDrawable(android.graphics.drawable.Drawable, int);
		ctor public InsetDrawable(android.graphics.drawable.Drawable, int, int, int, int);
		method public void draw(android.graphics.Canvas);
		method public android.graphics.drawable.Drawable getDrawable();
		method public int getOpacity();
		method public void invalidateDrawable(android.graphics.drawable.Drawable);
		@@ -10556,7 +10551,6 @@ package android.graphics.drawable {

		public class LayerDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Drawable.Callback {
		ctor public LayerDrawable(android.graphics.drawable.Drawable[]);
		method public void draw(android.graphics.Canvas);
		method public android.graphics.drawable.Drawable findDrawableByLayerId(int);
		method public android.graphics.drawable.Drawable getDrawable(int);
		method public int getId(int);
		@@ -10587,7 +10581,6 @@ package android.graphics.drawable {
		ctor public NinePatchDrawable(android.content.res.Resources, android.graphics.Bitmap, byte[], android.graphics.Rect, java.lang.String);
		ctor public deprecated NinePatchDrawable(android.graphics.NinePatch);
		ctor public NinePatchDrawable(android.content.res.Resources, android.graphics.NinePatch);
		method public void draw(android.graphics.Canvas);
		method public int getOpacity();
		method public android.graphics.Paint getPaint();
		method public void setAlpha(int);
		@@ -10606,7 +10599,6 @@ package android.graphics.drawable {

		public class PictureDrawable extends android.graphics.drawable.Drawable {
		ctor public PictureDrawable(android.graphics.Picture);
		method public void draw(android.graphics.Canvas);
		method public int getOpacity();
		method public android.graphics.Picture getPicture();
		method public void setAlpha(int);
		@@ -10620,7 +10612,6 @@ package android.graphics.drawable {

		public class RotateDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Drawable.Callback {
		ctor public RotateDrawable();
		method public void draw(android.graphics.Canvas);
		method public android.graphics.drawable.Drawable getDrawable();
		method public int getOpacity();
		method public void invalidateDrawable(android.graphics.drawable.Drawable);
		@@ -10632,7 +10623,6 @@ package android.graphics.drawable {

		public class ScaleDrawable extends android.graphics.drawable.Drawable implements android.graphics.drawable.Drawable.Callback {
		ctor public ScaleDrawable(android.graphics.drawable.Drawable, int, float, float);
		method public void draw(android.graphics.Canvas);
		method public android.graphics.drawable.Drawable getDrawable();
		method public int getOpacity();
		method public void invalidateDrawable(android.graphics.drawable.Drawable);
		@@ -10645,7 +10635,6 @@ package android.graphics.drawable {
		public class ShapeDrawable extends android.graphics.drawable.Drawable {
		ctor public ShapeDrawable();
		ctor public ShapeDrawable(android.graphics.drawable.shapes.Shape);
		method public void draw(android.graphics.Canvas);
		method public int getOpacity();
		method public android.graphics.Paint getPaint();
		method public android.graphics.drawable.ShapeDrawable.ShaderFactory getShaderFactory();

graphics/java/android/graphics/drawable/BitmapDrawable.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -456,7 +456,7 @@ public class BitmapDrawable extends Drawable {
		}

		@Override
		public void draw(Canvas canvas) {
		protected void onDraw(Canvas canvas) {
		Bitmap bitmap = mBitmap;
		if (bitmap != null) {
		final BitmapState state = mBitmapState;

graphics/java/android/graphics/drawable/Drawable.java

+90 −4

Original line number	Diff line number	Diff line
		@@ -39,6 +39,9 @@ import android.util.DisplayMetrics;
		import android.util.StateSet;
		import android.util.TypedValue;
		import android.util.Xml;
		import android.view.DisplayList;
		import android.view.HardwareCanvas;
		import android.view.HardwareRenderer;
		import android.view.View;

		import java.io.IOException;
		@@ -139,16 +142,96 @@ public abstract class Drawable {
		private Rect mBounds = ZERO_BOUNDS_RECT; // lazily becomes a new Rect()
		private WeakReference<Callback> mCallback = null;
		private boolean mVisible = true;
		private DisplayList mDisplayList;

		private int mLayoutDirection;

		/**
		* Draw in its bounds (set via setBounds) respecting optional effects such
		* as alpha (set via setAlpha) and color filter (set via setColorFilter).
		* <p>
		* Overriding this method will prevent caching optimizations. To enable
		* optimizations, override {@link #onDraw} instead.
		*
		* @param canvas The canvas to draw into
		*/
		public abstract void draw(Canvas canvas);
		public void draw(Canvas canvas) {
		if (canvas != null && canvas.isHardwareAccelerated()) {
		final HardwareCanvas hardwareCanvas = (HardwareCanvas) canvas;
		final DisplayList displayList = getDisplayList(hardwareCanvas);
		if (displayList != null) {
		final int restoreCount = hardwareCanvas.save(Canvas.MATRIX_SAVE_FLAG);
		hardwareCanvas.translate(mBounds.left, mBounds.top);
		hardwareCanvas.drawDisplayList(displayList);
		hardwareCanvas.restoreToCount(restoreCount);
		return;
		}
		}

		onDraw(canvas);
		}

		/**
		* Draw in its bounds (set via setBounds) respecting optional effects such
		* as alpha (set via setAlpha) and color filter (set via setColorFilter).
		* <p>
		* Overriding this method, rather than {@link #draw}, enables caching
		* optimizations that avoid re-drawing when unnecessary.
		*
		* @param canvas The canvas to draw into
		*/
		protected void onDraw(Canvas canvas) {
		throw new UnsupportedOperationException(
		"Drawable subclasses must implement either draw or onDraw");
		}

		/**
		* Gets a display list that can be used to draw this drawable again without
		* invoking its draw method.
		*
		* @param hardwareCanvas The hardware canvas.
		* @return A DisplayList ready to replay, or null if caching is not enabled.
		* @hide
		*/
		private DisplayList getDisplayList(HardwareCanvas hardwareCanvas) {
		DisplayList displayList = mDisplayList;
		if (displayList != null && displayList.isValid()) {
		// Note: This code assumes that the display list previously generated
		// is compatible with the given hardware canvas. That might not be true
		// if we start using multiple different types of hardware canvas
		// in the system someday.
		return displayList;
		}

		displayList = DisplayList.create(getClass().getName());
		mDisplayList = displayList;

		final Rect bounds = mBounds;
		final int width = bounds.width();
		final int height = bounds.height();
		final HardwareCanvas canvas = displayList.start(width, height);
		canvas.onPreDraw(null);

		// Draw the display list with origin (0,0) so that if the position
		// changes then we can translate without recreating the display list.
		final int restoreCount = canvas.save();
		try {
		canvas.translate(-bounds.left, -bounds.top);
		onDraw(canvas);
		} finally {
		canvas.restoreToCount(restoreCount);
		canvas.onPostDraw();
		displayList.end();
		}

		displayList.setLeftTopRightBottom(0, 0, width, height);
		displayList.setClipToBounds(false);
		return displayList;
		}

		private void invalidateDisplayList() {
		mDisplayList = null;
		}

		/**
		* Specify a bounding rectangle for the Drawable. This is where the drawable
		@@ -163,10 +246,11 @@ public abstract class Drawable {

		if (oldBounds.left != left \|\| oldBounds.top != top \|\|
		oldBounds.right != right \|\| oldBounds.bottom != bottom) {
		if (!oldBounds.isEmpty()) {
		// first invalidate the previous bounds
		invalidateSelf();
		if (oldBounds.right - oldBounds.left != right - left
		\|\| oldBounds.bottom - oldBounds.top != bottom - top) {
		invalidateDisplayList();
		}

		mBounds.set(left, top, right, bottom);
		onBoundsChange(mBounds);
		}
		@@ -354,6 +438,8 @@ public abstract class Drawable {
		* @see #setCallback(android.graphics.drawable.Drawable.Callback)
		*/
		public void invalidateSelf() {
		invalidateDisplayList();

		final Callback callback = getCallback();
		if (callback != null) {
		callback.invalidateDrawable(this);

graphics/java/android/graphics/drawable/GradientDrawable.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -472,7 +472,7 @@ public class GradientDrawable extends Drawable {
		}

		@Override
		public void draw(Canvas canvas) {
		protected void onDraw(Canvas canvas) {
		if (!ensureValidRect()) {
		// nothing to draw
		return;

graphics/java/android/graphics/drawable/NinePatchDrawable.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -223,7 +223,7 @@ public class NinePatchDrawable extends Drawable {
		}

		@Override
		public void draw(Canvas canvas) {
		protected void onDraw(Canvas canvas) {
		final Rect bounds = getBounds();
		final boolean needsMirroring = needsMirroring();
		if (needsMirroring) {