PixelCopy API feedback (056e5dc0) · Commits · e / os / android_frameworks_base

core/api/current.txt

+5 −5

Original line number	Diff line number	Diff line
		@@ -49735,7 +49735,7 @@ package android.view {
		method public static void request(@NonNull android.view.Surface, @Nullable android.graphics.Rect, @NonNull android.graphics.Bitmap, @NonNull android.view.PixelCopy.OnPixelCopyFinishedListener, @NonNull android.os.Handler);
		method public static void request(@NonNull android.view.Window, @NonNull android.graphics.Bitmap, @NonNull android.view.PixelCopy.OnPixelCopyFinishedListener, @NonNull android.os.Handler);
		method public static void request(@NonNull android.view.Window, @Nullable android.graphics.Rect, @NonNull android.graphics.Bitmap, @NonNull android.view.PixelCopy.OnPixelCopyFinishedListener, @NonNull android.os.Handler);
		method public static void request(@NonNull android.view.PixelCopy.Request);
		method public static void request(@NonNull android.view.PixelCopy.Request, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.view.PixelCopy.Result>);
		field public static final int ERROR_DESTINATION_INVALID = 5; // 0x5
		field public static final int ERROR_SOURCE_INVALID = 4; // 0x4
		field public static final int ERROR_SOURCE_NO_DATA = 3; // 0x3
		@@ -49751,14 +49751,14 @@ package android.view {
		public static final class PixelCopy.Request {
		method @Nullable public android.graphics.Bitmap getDestinationBitmap();
		method @Nullable public android.graphics.Rect getSourceRect();
		method @NonNull public static android.view.PixelCopy.Request.Builder ofSurface(@NonNull android.view.Surface, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.view.PixelCopy.Result>);
		method @NonNull public static android.view.PixelCopy.Request.Builder ofSurface(@NonNull android.view.SurfaceView, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.view.PixelCopy.Result>);
		method @NonNull public static android.view.PixelCopy.Request.Builder ofWindow(@NonNull android.view.Window, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.view.PixelCopy.Result>);
		method @NonNull public static android.view.PixelCopy.Request.Builder ofWindow(@NonNull android.view.View, @NonNull java.util.concurrent.Executor, @NonNull java.util.function.Consumer<android.view.PixelCopy.Result>);
		}

		public static final class PixelCopy.Request.Builder {
		method @NonNull public android.view.PixelCopy.Request build();
		method @NonNull public static android.view.PixelCopy.Request.Builder ofSurface(@NonNull android.view.Surface);
		method @NonNull public static android.view.PixelCopy.Request.Builder ofSurface(@NonNull android.view.SurfaceView);
		method @NonNull public static android.view.PixelCopy.Request.Builder ofWindow(@NonNull android.view.Window);
		method @NonNull public static android.view.PixelCopy.Request.Builder ofWindow(@NonNull android.view.View);
		method @NonNull public android.view.PixelCopy.Request.Builder setDestinationBitmap(@Nullable android.graphics.Bitmap);
		method @NonNull public android.view.PixelCopy.Request.Builder setSourceRect(@Nullable android.graphics.Rect);
		}

graphics/java/android/view/PixelCopy.java

+86 −96

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.view;
		import android.annotation.IntDef;
		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.annotation.SuppressLint;
		import android.graphics.Bitmap;
		import android.graphics.HardwareRenderer;
		import android.graphics.Rect;
		@@ -355,27 +356,23 @@ public final class PixelCopy {
		* PixelCopy.Request.ofSurface factories to create a {@link Request.Builder} for the
		* given source content. After setting any optional parameters, such as
		* {@link Builder#setSourceRect(Rect)}, build the request with {@link Builder#build()} and
		* then execute it with {@link PixelCopy#request(Request)}
		* then execute it with {@link PixelCopy#request(Request, Executor, Consumer)}
		*/
		public static final class Request {
		private final Surface mSource;
		private final Consumer<Result> mListener;
		private final Executor mListenerThread;
		private final Rect mSourceInsets;
		private Rect mSrcRect;
		private Bitmap mDest;

		private Request(Surface source, Rect sourceInsets, Executor listenerThread,
		Consumer<Result> listener) {
		private Request(Surface source, Rect sourceInsets) {
		this.mSource = source;
		this.mSourceInsets = sourceInsets;
		this.mListenerThread = listenerThread;
		this.mListener = listener;
		}

		/**
		* A builder to create the complete PixelCopy request, which is then executed by calling
		* {@link #request(Request)} with the built request returned from {@link #build()}
		* {@link #request(Request, Executor, Consumer)} with the built request returned from
		* {@link #build()}
		*/
		public static final class Builder {
		private Request mRequest;
		@@ -384,92 +381,33 @@ public final class PixelCopy {
		mRequest = request;
		}

		private void requireNotBuilt() {
		if (mRequest == null) {
		throw new IllegalStateException("build() already called on this builder");
		}
		}

		/**
		* Sets the region of the source to copy from. By default, the entire source is copied
		* to the output. If only a subset of the source is necessary to be copied, specifying
		* a srcRect will improve performance by reducing
		* the amount of data being copied.
		*
		* @param srcRect The area of the source to read from. Null or empty will be treated to
		* mean the entire source
		* @return this
		*/
		public @NonNull Builder setSourceRect(@Nullable Rect srcRect) {
		requireNotBuilt();
		mRequest.mSrcRect = srcRect;
		return this;
		}

		/**
		* Specifies the output bitmap in which to store the result. By default, a Bitmap of
		* format {@link android.graphics.Bitmap.Config#ARGB_8888} with a width & height
		* matching that of the {@link #setSourceRect(Rect) source area} will be created to
		* place the result.
		*
		* @param destination The bitmap to store the result, or null to have a bitmap
		* automatically created of the appropriate size. If not null, must
		* not be {@link Bitmap#isRecycled() recycled} and must be
		* {@link Bitmap#isMutable() mutable}.
		* @return this
		*/
		public @NonNull Builder setDestinationBitmap(@Nullable Bitmap destination) {
		requireNotBuilt();
		if (destination != null) {
		validateBitmapDest(destination);
		}
		mRequest.mDest = destination;
		return this;
		}

		/**
		* @return The built {@link PixelCopy.Request}
		*/
		public @NonNull Request build() {
		requireNotBuilt();
		Request ret = mRequest;
		mRequest = null;
		return ret;
		}
		}

		/**
		* Creates a PixelCopy request for the given {@link Window}
		* @param source The Window to copy from
		* @param callbackExecutor The executor to run the callback on
		* @param listener The callback for when the copy request is completed
		* @return A {@link Builder} builder to set the optional params & execute the request
		*/
		public static @NonNull Builder ofWindow(@NonNull Window source,
		@NonNull Executor callbackExecutor,
		@NonNull Consumer<Result> listener) {
		@SuppressLint("BuilderSetStyle")
		public static @NonNull Builder ofWindow(@NonNull Window source) {
		final Rect insets = new Rect();
		final Surface surface = sourceForWindow(source, insets);
		return new Builder(new Request(surface, insets, callbackExecutor, listener));
		return new Builder(new Request(surface, insets));
		}

		/**
		* Creates a PixelCopy request for the {@link Window} that the given {@link View} is
		* attached to.
		*
		* Note that this copy request is not cropped to the area the View occupies by default. If
		* that behavior is desired, use {@link View#getLocationInWindow(int[])} combined with
		* {@link Builder#setSourceRect(Rect)} to set a crop area to restrict the copy operation.
		* Note that this copy request is not cropped to the area the View occupies by default.
		* If that behavior is desired, use {@link View#getLocationInWindow(int[])} combined
		* with {@link Builder#setSourceRect(Rect)} to set a crop area to restrict the copy
		* operation.
		*
		* @param source A View that {@link View#isAttachedToWindow() is attached} to a window that
		* will be used to retrieve the window to copy from.
		* @param callbackExecutor The executor to run the callback on
		* @param listener The callback for when the copy request is completed
		* @param source A View that {@link View#isAttachedToWindow() is attached} to a window
		* that will be used to retrieve the window to copy from.
		* @return A {@link Builder} builder to set the optional params & execute the request
		*/
		public static @NonNull Builder ofWindow(@NonNull View source,
		@NonNull Executor callbackExecutor,
		@NonNull Consumer<Result> listener) {
		@SuppressLint("BuilderSetStyle")
		public static @NonNull Builder ofWindow(@NonNull View source) {
		if (source == null \|\| !source.isAttachedToWindow()) {
		throw new IllegalArgumentException(
		"View must not be null & must be attached to window");
		@@ -485,24 +423,21 @@ public final class PixelCopy {
		throw new IllegalArgumentException(
		"Window doesn't have a backing surface!");
		}
		return new Builder(new Request(surface, insets, callbackExecutor, listener));
		return new Builder(new Request(surface, insets));
		}

		/**
		* Creates a PixelCopy request for the given {@link Surface}
		*
		* @param source The Surface to copy from. Must be {@link Surface#isValid() valid}.
		* @param callbackExecutor The executor to run the callback on
		* @param listener The callback for when the copy request is completed
		* @return A {@link Builder} builder to set the optional params & execute the request
		*/
		public static @NonNull Builder ofSurface(@NonNull Surface source,
		@NonNull Executor callbackExecutor,
		@NonNull Consumer<Result> listener) {
		@SuppressLint("BuilderSetStyle")
		public static @NonNull Builder ofSurface(@NonNull Surface source) {
		if (source == null \|\| !source.isValid()) {
		throw new IllegalArgumentException("Source must not be null & must be valid");
		}
		return new Builder(new Request(source, null, callbackExecutor, listener));
		return new Builder(new Request(source, null));
		}

		/**
		@@ -511,14 +446,65 @@ public final class PixelCopy {
		*
		* @param source The SurfaceView to copy from. The backing surface must be
		* {@link Surface#isValid() valid}
		* @param callbackExecutor The executor to run the callback on
		* @param listener The callback for when the copy request is completed
		* @return A {@link Builder} builder to set the optional params & execute the request
		*/
		public static @NonNull Builder ofSurface(@NonNull SurfaceView source,
		@NonNull Executor callbackExecutor,
		@NonNull Consumer<Result> listener) {
		return ofSurface(source.getHolder().getSurface(), callbackExecutor, listener);
		@SuppressLint("BuilderSetStyle")
		public static @NonNull Builder ofSurface(@NonNull SurfaceView source) {
		return ofSurface(source.getHolder().getSurface());
		}

		private void requireNotBuilt() {
		if (mRequest == null) {
		throw new IllegalStateException("build() already called on this builder");
		}
		}

		/**
		* Sets the region of the source to copy from. By default, the entire source is copied
		* to the output. If only a subset of the source is necessary to be copied, specifying
		* a srcRect will improve performance by reducing
		* the amount of data being copied.
		*
		* @param srcRect The area of the source to read from. Null or empty will be treated to
		* mean the entire source
		* @return this
		*/
		public @NonNull Builder setSourceRect(@Nullable Rect srcRect) {
		requireNotBuilt();
		mRequest.mSrcRect = srcRect;
		return this;
		}

		/**
		* Specifies the output bitmap in which to store the result. By default, a Bitmap of
		* format {@link android.graphics.Bitmap.Config#ARGB_8888} with a width & height
		* matching that of the {@link #setSourceRect(Rect) source area} will be created to
		* place the result.
		*
		* @param destination The bitmap to store the result, or null to have a bitmap
		* automatically created of the appropriate size. If not null, must
		* not be {@link Bitmap#isRecycled() recycled} and must be
		* {@link Bitmap#isMutable() mutable}.
		* @return this
		*/
		public @NonNull Builder setDestinationBitmap(@Nullable Bitmap destination) {
		requireNotBuilt();
		if (destination != null) {
		validateBitmapDest(destination);
		}
		mRequest.mDest = destination;
		return this;
		}

		/**
		* @return The built {@link PixelCopy.Request}
		*/
		public @NonNull Request build() {
		requireNotBuilt();
		Request ret = mRequest;
		mRequest = null;
		return ret;
		}
		}

		/**
		@@ -538,9 +524,10 @@ public final class PixelCopy {
		/**
		* @hide
		*/
		public void request() {
		public void request(@NonNull Executor callbackExecutor,
		@NonNull Consumer<Result> listener) {
		if (!mSource.isValid()) {
		mListenerThread.execute(() -> mListener.accept(
		callbackExecutor.execute(() -> listener.accept(
		new Result(ERROR_SOURCE_INVALID, null)));
		return;
		}
		@@ -548,7 +535,7 @@ public final class PixelCopy {
		adjustSourceRectForInsets(mSourceInsets, mSrcRect), mDest) {
		@Override
		public void onCopyFinished(int result) {
		mListenerThread.execute(() -> mListener.accept(
		callbackExecutor.execute(() -> listener.accept(
		new Result(result, mDestinationBitmap)));
		}
		});
		@@ -558,9 +545,12 @@ public final class PixelCopy {
		/**
		* Executes the pixel copy request
		* @param request The request to execute
		* @param callbackExecutor The executor to run the callback on
		* @param listener The callback for when the copy request is completed
		*/
		public static void request(@NonNull Request request) {
		request.request();
		public static void request(@NonNull Request request, @NonNull Executor callbackExecutor,
		@NonNull Consumer<Result> listener) {
		request.request(callbackExecutor, listener);
		}

		private PixelCopy() {}