| /* |
| * Copyright (C) 2013 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.view; |
| |
| import dalvik.system.CloseGuard; |
| import android.graphics.Bitmap; |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.os.IBinder; |
| import android.util.Log; |
| import android.view.Surface.OutOfResourcesException; |
| |
| /** |
| * SurfaceControl |
| * @hide |
| */ |
| public class SurfaceControl { |
| private static final String TAG = "SurfaceControl"; |
| |
| private static native long nativeCreate(SurfaceSession session, String name, |
| int w, int h, int format, int flags) |
| throws OutOfResourcesException; |
| private static native void nativeRelease(long nativeObject); |
| private static native void nativeDestroy(long nativeObject); |
| private static native void nativeDisconnect(long nativeObject); |
| |
| private static native Bitmap nativeScreenshot(IBinder displayToken, |
| Rect sourceCrop, int width, int height, int minLayer, int maxLayer, |
| boolean allLayers, boolean useIdentityTransform, int rotation); |
| private static native void nativeScreenshot(IBinder displayToken, Surface consumer, |
| Rect sourceCrop, int width, int height, int minLayer, int maxLayer, |
| boolean allLayers, boolean useIdentityTransform); |
| |
| private static native void nativeOpenTransaction(); |
| private static native void nativeCloseTransaction(boolean sync); |
| private static native void nativeSetAnimationTransaction(); |
| |
| private static native void nativeSetLayer(long nativeObject, int zorder); |
| private static native void nativeSetPosition(long nativeObject, float x, float y); |
| private static native void nativeSetGeometryAppliesWithResize(long nativeObject); |
| private static native void nativeSetSize(long nativeObject, int w, int h); |
| private static native void nativeSetTransparentRegionHint(long nativeObject, Region region); |
| private static native void nativeSetAlpha(long nativeObject, float alpha); |
| private static native void nativeSetMatrix(long nativeObject, float dsdx, float dtdx, float dsdy, float dtdy); |
| private static native void nativeSetFlags(long nativeObject, int flags, int mask); |
| private static native void nativeSetWindowCrop(long nativeObject, int l, int t, int r, int b); |
| private static native void nativeSetFinalCrop(long nativeObject, int l, int t, int r, int b); |
| private static native void nativeSetLayerStack(long nativeObject, int layerStack); |
| |
| private static native boolean nativeClearContentFrameStats(long nativeObject); |
| private static native boolean nativeGetContentFrameStats(long nativeObject, WindowContentFrameStats outStats); |
| private static native boolean nativeClearAnimationFrameStats(); |
| private static native boolean nativeGetAnimationFrameStats(WindowAnimationFrameStats outStats); |
| |
| private static native IBinder nativeGetBuiltInDisplay(int physicalDisplayId); |
| private static native IBinder nativeCreateDisplay(String name, boolean secure); |
| private static native void nativeDestroyDisplay(IBinder displayToken); |
| private static native void nativeSetDisplaySurface( |
| IBinder displayToken, long nativeSurfaceObject); |
| private static native void nativeSetDisplayLayerStack( |
| IBinder displayToken, int layerStack); |
| private static native void nativeSetDisplayProjection( |
| IBinder displayToken, int orientation, |
| int l, int t, int r, int b, |
| int L, int T, int R, int B); |
| private static native void nativeSetDisplaySize(IBinder displayToken, int width, int height); |
| private static native SurfaceControl.PhysicalDisplayInfo[] nativeGetDisplayConfigs( |
| IBinder displayToken); |
| private static native int nativeGetActiveConfig(IBinder displayToken); |
| private static native boolean nativeSetActiveConfig(IBinder displayToken, int id); |
| private static native int[] nativeGetDisplayColorModes(IBinder displayToken); |
| private static native int nativeGetActiveColorMode(IBinder displayToken); |
| private static native boolean nativeSetActiveColorMode(IBinder displayToken, |
| int colorMode); |
| private static native void nativeSetDisplayPowerMode( |
| IBinder displayToken, int mode); |
| private static native void nativeDeferTransactionUntil(long nativeObject, |
| IBinder handle, long frame); |
| private static native void nativeSetOverrideScalingMode(long nativeObject, |
| int scalingMode); |
| private static native IBinder nativeGetHandle(long nativeObject); |
| private static native boolean nativeGetTransformToDisplayInverse(long nativeObject); |
| |
| private static native Display.HdrCapabilities nativeGetHdrCapabilities(IBinder displayToken); |
| |
| |
| private final CloseGuard mCloseGuard = CloseGuard.get(); |
| private final String mName; |
| long mNativeObject; // package visibility only for Surface.java access |
| |
| /* flags used in constructor (keep in sync with ISurfaceComposerClient.h) */ |
| |
| /** |
| * Surface creation flag: Surface is created hidden |
| */ |
| public static final int HIDDEN = 0x00000004; |
| |
| /** |
| * Surface creation flag: The surface contains secure content, special |
| * measures will be taken to disallow the surface's content to be copied |
| * from another process. In particular, screenshots and VNC servers will |
| * be disabled, but other measures can take place, for instance the |
| * surface might not be hardware accelerated. |
| * |
| */ |
| public static final int SECURE = 0x00000080; |
| |
| /** |
| * Surface creation flag: Creates a surface where color components are interpreted |
| * as "non pre-multiplied" by their alpha channel. Of course this flag is |
| * meaningless for surfaces without an alpha channel. By default |
| * surfaces are pre-multiplied, which means that each color component is |
| * already multiplied by its alpha value. In this case the blending |
| * equation used is: |
| * <p> |
| * <code>DEST = SRC + DEST * (1-SRC_ALPHA)</code> |
| * <p> |
| * By contrast, non pre-multiplied surfaces use the following equation: |
| * <p> |
| * <code>DEST = SRC * SRC_ALPHA * DEST * (1-SRC_ALPHA)</code> |
| * <p> |
| * pre-multiplied surfaces must always be used if transparent pixels are |
| * composited on top of each-other into the surface. A pre-multiplied |
| * surface can never lower the value of the alpha component of a given |
| * pixel. |
| * <p> |
| * In some rare situations, a non pre-multiplied surface is preferable. |
| * |
| */ |
| public static final int NON_PREMULTIPLIED = 0x00000100; |
| |
| /** |
| * Surface creation flag: Indicates that the surface must be considered opaque, |
| * even if its pixel format is set to translucent. This can be useful if an |
| * application needs full RGBA 8888 support for instance but will |
| * still draw every pixel opaque. |
| * <p> |
| * This flag is ignored if setAlpha() is used to make the surface non-opaque. |
| * Combined effects are (assuming a buffer format with an alpha channel): |
| * <ul> |
| * <li>OPAQUE + alpha(1.0) == opaque composition |
| * <li>OPAQUE + alpha(0.x) == blended composition |
| * <li>!OPAQUE + alpha(1.0) == blended composition |
| * <li>!OPAQUE + alpha(0.x) == blended composition |
| * </ul> |
| * If the underlying buffer lacks an alpha channel, the OPAQUE flag is effectively |
| * set automatically. |
| */ |
| public static final int OPAQUE = 0x00000400; |
| |
| /** |
| * Surface creation flag: Application requires a hardware-protected path to an |
| * external display sink. If a hardware-protected path is not available, |
| * then this surface will not be displayed on the external sink. |
| * |
| */ |
| public static final int PROTECTED_APP = 0x00000800; |
| |
| // 0x1000 is reserved for an independent DRM protected flag in framework |
| |
| /** |
| * Surface creation flag: Window represents a cursor glyph. |
| */ |
| public static final int CURSOR_WINDOW = 0x00002000; |
| |
| /** |
| * Surface creation flag: Creates a normal surface. |
| * This is the default. |
| * |
| */ |
| public static final int FX_SURFACE_NORMAL = 0x00000000; |
| |
| /** |
| * Surface creation flag: Creates a Dim surface. |
| * Everything behind this surface is dimmed by the amount specified |
| * in {@link #setAlpha}. It is an error to lock a Dim surface, since it |
| * doesn't have a backing store. |
| * |
| */ |
| public static final int FX_SURFACE_DIM = 0x00020000; |
| |
| /** |
| * Mask used for FX values above. |
| * |
| */ |
| public static final int FX_SURFACE_MASK = 0x000F0000; |
| |
| /* flags used with setFlags() (keep in sync with ISurfaceComposer.h) */ |
| |
| /** |
| * Surface flag: Hide the surface. |
| * Equivalent to calling hide(). |
| * Updates the value set during Surface creation (see {@link #HIDDEN}). |
| */ |
| private static final int SURFACE_HIDDEN = 0x01; |
| |
| /** |
| * Surface flag: composite without blending when possible. |
| * Updates the value set during Surface creation (see {@link #OPAQUE}). |
| */ |
| private static final int SURFACE_OPAQUE = 0x02; |
| |
| |
| /* built-in physical display ids (keep in sync with ISurfaceComposer.h) |
| * these are different from the logical display ids used elsewhere in the framework */ |
| |
| /** |
| * Built-in physical display id: Main display. |
| * Use only with {@link SurfaceControl#getBuiltInDisplay(int)}. |
| */ |
| public static final int BUILT_IN_DISPLAY_ID_MAIN = 0; |
| |
| /** |
| * Built-in physical display id: Attached HDMI display. |
| * Use only with {@link SurfaceControl#getBuiltInDisplay(int)}. |
| */ |
| public static final int BUILT_IN_DISPLAY_ID_HDMI = 1; |
| |
| /* Display power modes * / |
| |
| /** |
| * Display power mode off: used while blanking the screen. |
| * Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_OFF = 0; |
| |
| /** |
| * Display power mode doze: used while putting the screen into low power mode. |
| * Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_DOZE = 1; |
| |
| /** |
| * Display power mode normal: used while unblanking the screen. |
| * Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_NORMAL = 2; |
| |
| /** |
| * Display power mode doze: used while putting the screen into a suspended |
| * low power mode. Use only with {@link SurfaceControl#setDisplayPowerMode}. |
| */ |
| public static final int POWER_MODE_DOZE_SUSPEND = 3; |
| |
| /** |
| * Create a surface with a name. |
| * <p> |
| * The surface creation flags specify what kind of surface to create and |
| * certain options such as whether the surface can be assumed to be opaque |
| * and whether it should be initially hidden. Surfaces should always be |
| * created with the {@link #HIDDEN} flag set to ensure that they are not |
| * made visible prematurely before all of the surface's properties have been |
| * configured. |
| * <p> |
| * Good practice is to first create the surface with the {@link #HIDDEN} flag |
| * specified, open a transaction, set the surface layer, layer stack, alpha, |
| * and position, call {@link #show} if appropriate, and close the transaction. |
| * |
| * @param session The surface session, must not be null. |
| * @param name The surface name, must not be null. |
| * @param w The surface initial width. |
| * @param h The surface initial height. |
| * @param flags The surface creation flags. Should always include {@link #HIDDEN} |
| * in the creation flags. |
| * |
| * @throws throws OutOfResourcesException If the SurfaceControl cannot be created. |
| */ |
| public SurfaceControl(SurfaceSession session, |
| String name, int w, int h, int format, int flags) |
| throws OutOfResourcesException { |
| if (session == null) { |
| throw new IllegalArgumentException("session must not be null"); |
| } |
| if (name == null) { |
| throw new IllegalArgumentException("name must not be null"); |
| } |
| |
| if ((flags & SurfaceControl.HIDDEN) == 0) { |
| Log.w(TAG, "Surfaces should always be created with the HIDDEN flag set " |
| + "to ensure that they are not made visible prematurely before " |
| + "all of the surface's properties have been configured. " |
| + "Set the other properties and make the surface visible within " |
| + "a transaction. New surface name: " + name, |
| new Throwable()); |
| } |
| |
| mName = name; |
| mNativeObject = nativeCreate(session, name, w, h, format, flags); |
| if (mNativeObject == 0) { |
| throw new OutOfResourcesException( |
| "Couldn't allocate SurfaceControl native object"); |
| } |
| |
| mCloseGuard.open("release"); |
| } |
| |
| @Override |
| protected void finalize() throws Throwable { |
| try { |
| if (mCloseGuard != null) { |
| mCloseGuard.warnIfOpen(); |
| } |
| if (mNativeObject != 0) { |
| nativeRelease(mNativeObject); |
| } |
| } finally { |
| super.finalize(); |
| } |
| } |
| |
| @Override |
| public String toString() { |
| return "Surface(name=" + mName + ")"; |
| } |
| |
| /** |
| * Release the local reference to the server-side surface. |
| * Always call release() when you're done with a Surface. |
| * This will make the surface invalid. |
| */ |
| public void release() { |
| if (mNativeObject != 0) { |
| nativeRelease(mNativeObject); |
| mNativeObject = 0; |
| } |
| mCloseGuard.close(); |
| } |
| |
| /** |
| * Free all server-side state associated with this surface and |
| * release this object's reference. This method can only be |
| * called from the process that created the service. |
| */ |
| public void destroy() { |
| if (mNativeObject != 0) { |
| nativeDestroy(mNativeObject); |
| mNativeObject = 0; |
| } |
| mCloseGuard.close(); |
| } |
| |
| /** |
| * Disconnect any client still connected to the surface. |
| */ |
| public void disconnect() { |
| if (mNativeObject != 0) { |
| nativeDisconnect(mNativeObject); |
| } |
| } |
| |
| private void checkNotReleased() { |
| if (mNativeObject == 0) throw new NullPointerException( |
| "mNativeObject is null. Have you called release() already?"); |
| } |
| |
| /* |
| * set surface parameters. |
| * needs to be inside open/closeTransaction block |
| */ |
| |
| /** start a transaction */ |
| public static void openTransaction() { |
| nativeOpenTransaction(); |
| } |
| |
| /** end a transaction */ |
| public static void closeTransaction() { |
| nativeCloseTransaction(false); |
| } |
| |
| public static void closeTransactionSync() { |
| nativeCloseTransaction(true); |
| } |
| |
| public void deferTransactionUntil(IBinder handle, long frame) { |
| nativeDeferTransactionUntil(mNativeObject, handle, frame); |
| } |
| |
| public void setOverrideScalingMode(int scalingMode) { |
| checkNotReleased(); |
| nativeSetOverrideScalingMode(mNativeObject, scalingMode); |
| } |
| |
| public IBinder getHandle() { |
| return nativeGetHandle(mNativeObject); |
| } |
| |
| public boolean getTransformToDisplayInverse() { |
| return nativeGetTransformToDisplayInverse(mNativeObject); |
| } |
| |
| /** flag the transaction as an animation */ |
| public static void setAnimationTransaction() { |
| nativeSetAnimationTransaction(); |
| } |
| |
| public void setLayer(int zorder) { |
| checkNotReleased(); |
| nativeSetLayer(mNativeObject, zorder); |
| } |
| |
| public void setPosition(float x, float y) { |
| checkNotReleased(); |
| nativeSetPosition(mNativeObject, x, y); |
| } |
| |
| /** |
| * If the buffer size changes in this transaction, position and crop updates specified |
| * in this transaction will not complete until a buffer of the new size |
| * arrives. As transform matrix and size are already frozen in this fashion, |
| * this enables totally freezing the surface until the resize has completed |
| * (at which point the geometry influencing aspects of this transaction will then occur) |
| */ |
| public void setGeometryAppliesWithResize() { |
| checkNotReleased(); |
| nativeSetGeometryAppliesWithResize(mNativeObject); |
| } |
| |
| public void setSize(int w, int h) { |
| checkNotReleased(); |
| nativeSetSize(mNativeObject, w, h); |
| } |
| |
| public void hide() { |
| checkNotReleased(); |
| nativeSetFlags(mNativeObject, SURFACE_HIDDEN, SURFACE_HIDDEN); |
| } |
| |
| public void show() { |
| checkNotReleased(); |
| nativeSetFlags(mNativeObject, 0, SURFACE_HIDDEN); |
| } |
| |
| public void setTransparentRegionHint(Region region) { |
| checkNotReleased(); |
| nativeSetTransparentRegionHint(mNativeObject, region); |
| } |
| |
| public boolean clearContentFrameStats() { |
| checkNotReleased(); |
| return nativeClearContentFrameStats(mNativeObject); |
| } |
| |
| public boolean getContentFrameStats(WindowContentFrameStats outStats) { |
| checkNotReleased(); |
| return nativeGetContentFrameStats(mNativeObject, outStats); |
| } |
| |
| public static boolean clearAnimationFrameStats() { |
| return nativeClearAnimationFrameStats(); |
| } |
| |
| public static boolean getAnimationFrameStats(WindowAnimationFrameStats outStats) { |
| return nativeGetAnimationFrameStats(outStats); |
| } |
| |
| /** |
| * Sets an alpha value for the entire Surface. This value is combined with the |
| * per-pixel alpha. It may be used with opaque Surfaces. |
| */ |
| public void setAlpha(float alpha) { |
| checkNotReleased(); |
| nativeSetAlpha(mNativeObject, alpha); |
| } |
| |
| public void setMatrix(float dsdx, float dtdx, float dsdy, float dtdy) { |
| checkNotReleased(); |
| nativeSetMatrix(mNativeObject, dsdx, dtdx, dsdy, dtdy); |
| } |
| |
| public void setWindowCrop(Rect crop) { |
| checkNotReleased(); |
| if (crop != null) { |
| nativeSetWindowCrop(mNativeObject, |
| crop.left, crop.top, crop.right, crop.bottom); |
| } else { |
| nativeSetWindowCrop(mNativeObject, 0, 0, 0, 0); |
| } |
| } |
| |
| public void setFinalCrop(Rect crop) { |
| checkNotReleased(); |
| if (crop != null) { |
| nativeSetFinalCrop(mNativeObject, |
| crop.left, crop.top, crop.right, crop.bottom); |
| } else { |
| nativeSetFinalCrop(mNativeObject, 0, 0, 0, 0); |
| } |
| } |
| |
| public void setLayerStack(int layerStack) { |
| checkNotReleased(); |
| nativeSetLayerStack(mNativeObject, layerStack); |
| } |
| |
| /** |
| * Sets the opacity of the surface. Setting the flag is equivalent to creating the |
| * Surface with the {@link #OPAQUE} flag. |
| */ |
| public void setOpaque(boolean isOpaque) { |
| checkNotReleased(); |
| if (isOpaque) { |
| nativeSetFlags(mNativeObject, SURFACE_OPAQUE, SURFACE_OPAQUE); |
| } else { |
| nativeSetFlags(mNativeObject, 0, SURFACE_OPAQUE); |
| } |
| } |
| |
| /** |
| * Sets the security of the surface. Setting the flag is equivalent to creating the |
| * Surface with the {@link #SECURE} flag. |
| */ |
| public void setSecure(boolean isSecure) { |
| checkNotReleased(); |
| if (isSecure) { |
| nativeSetFlags(mNativeObject, SECURE, SECURE); |
| } else { |
| nativeSetFlags(mNativeObject, 0, SECURE); |
| } |
| } |
| |
| /* |
| * set display parameters. |
| * needs to be inside open/closeTransaction block |
| */ |
| |
| /** |
| * Describes the properties of a physical display known to surface flinger. |
| */ |
| public static final class PhysicalDisplayInfo { |
| public int width; |
| public int height; |
| public float refreshRate; |
| public float density; |
| public float xDpi; |
| public float yDpi; |
| public boolean secure; |
| public long appVsyncOffsetNanos; |
| public long presentationDeadlineNanos; |
| |
| public PhysicalDisplayInfo() { |
| } |
| |
| public PhysicalDisplayInfo(PhysicalDisplayInfo other) { |
| copyFrom(other); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| return o instanceof PhysicalDisplayInfo && equals((PhysicalDisplayInfo)o); |
| } |
| |
| public boolean equals(PhysicalDisplayInfo other) { |
| return other != null |
| && width == other.width |
| && height == other.height |
| && refreshRate == other.refreshRate |
| && density == other.density |
| && xDpi == other.xDpi |
| && yDpi == other.yDpi |
| && secure == other.secure |
| && appVsyncOffsetNanos == other.appVsyncOffsetNanos |
| && presentationDeadlineNanos == other.presentationDeadlineNanos; |
| } |
| |
| @Override |
| public int hashCode() { |
| return 0; // don't care |
| } |
| |
| public void copyFrom(PhysicalDisplayInfo other) { |
| width = other.width; |
| height = other.height; |
| refreshRate = other.refreshRate; |
| density = other.density; |
| xDpi = other.xDpi; |
| yDpi = other.yDpi; |
| secure = other.secure; |
| appVsyncOffsetNanos = other.appVsyncOffsetNanos; |
| presentationDeadlineNanos = other.presentationDeadlineNanos; |
| } |
| |
| // For debugging purposes |
| @Override |
| public String toString() { |
| return "PhysicalDisplayInfo{" + width + " x " + height + ", " + refreshRate + " fps, " |
| + "density " + density + ", " + xDpi + " x " + yDpi + " dpi, secure " + secure |
| + ", appVsyncOffset " + appVsyncOffsetNanos |
| + ", bufferDeadline " + presentationDeadlineNanos + "}"; |
| } |
| } |
| |
| public static void setDisplayPowerMode(IBinder displayToken, int mode) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| nativeSetDisplayPowerMode(displayToken, mode); |
| } |
| |
| public static SurfaceControl.PhysicalDisplayInfo[] getDisplayConfigs(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetDisplayConfigs(displayToken); |
| } |
| |
| public static int getActiveConfig(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetActiveConfig(displayToken); |
| } |
| |
| public static boolean setActiveConfig(IBinder displayToken, int id) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeSetActiveConfig(displayToken, id); |
| } |
| |
| public static int[] getDisplayColorModes(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetDisplayColorModes(displayToken); |
| } |
| |
| public static int getActiveColorMode(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetActiveColorMode(displayToken); |
| } |
| |
| public static boolean setActiveColorMode(IBinder displayToken, int colorMode) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeSetActiveColorMode(displayToken, colorMode); |
| } |
| |
| public static void setDisplayProjection(IBinder displayToken, |
| int orientation, Rect layerStackRect, Rect displayRect) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| if (layerStackRect == null) { |
| throw new IllegalArgumentException("layerStackRect must not be null"); |
| } |
| if (displayRect == null) { |
| throw new IllegalArgumentException("displayRect must not be null"); |
| } |
| nativeSetDisplayProjection(displayToken, orientation, |
| layerStackRect.left, layerStackRect.top, layerStackRect.right, layerStackRect.bottom, |
| displayRect.left, displayRect.top, displayRect.right, displayRect.bottom); |
| } |
| |
| public static void setDisplayLayerStack(IBinder displayToken, int layerStack) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| nativeSetDisplayLayerStack(displayToken, layerStack); |
| } |
| |
| public static void setDisplaySurface(IBinder displayToken, Surface surface) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| |
| if (surface != null) { |
| synchronized (surface.mLock) { |
| nativeSetDisplaySurface(displayToken, surface.mNativeObject); |
| } |
| } else { |
| nativeSetDisplaySurface(displayToken, 0); |
| } |
| } |
| |
| public static void setDisplaySize(IBinder displayToken, int width, int height) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| if (width <= 0 || height <= 0) { |
| throw new IllegalArgumentException("width and height must be positive"); |
| } |
| |
| nativeSetDisplaySize(displayToken, width, height); |
| } |
| |
| public static Display.HdrCapabilities getHdrCapabilities(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| return nativeGetHdrCapabilities(displayToken); |
| } |
| |
| public static IBinder createDisplay(String name, boolean secure) { |
| if (name == null) { |
| throw new IllegalArgumentException("name must not be null"); |
| } |
| return nativeCreateDisplay(name, secure); |
| } |
| |
| public static void destroyDisplay(IBinder displayToken) { |
| if (displayToken == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| nativeDestroyDisplay(displayToken); |
| } |
| |
| public static IBinder getBuiltInDisplay(int builtInDisplayId) { |
| return nativeGetBuiltInDisplay(builtInDisplayId); |
| } |
| |
| /** |
| * Copy the current screen contents into the provided {@link Surface} |
| * |
| * @param display The display to take the screenshot of. |
| * @param consumer The {@link Surface} to take the screenshot into. |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param minLayer The lowest (bottom-most Z order) surface layer to |
| * include in the screenshot. |
| * @param maxLayer The highest (top-most Z order) surface layer to |
| * include in the screenshot. |
| * @param useIdentityTransform Replace whatever transformation (rotation, |
| * scaling, translation) the surface layers are currently using with the |
| * identity transformation while taking the screenshot. |
| */ |
| public static void screenshot(IBinder display, Surface consumer, |
| int width, int height, int minLayer, int maxLayer, |
| boolean useIdentityTransform) { |
| screenshot(display, consumer, new Rect(), width, height, minLayer, maxLayer, |
| false, useIdentityTransform); |
| } |
| |
| /** |
| * Copy the current screen contents into the provided {@link Surface} |
| * |
| * @param display The display to take the screenshot of. |
| * @param consumer The {@link Surface} to take the screenshot into. |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| */ |
| public static void screenshot(IBinder display, Surface consumer, |
| int width, int height) { |
| screenshot(display, consumer, new Rect(), width, height, 0, 0, true, false); |
| } |
| |
| /** |
| * Copy the current screen contents into the provided {@link Surface} |
| * |
| * @param display The display to take the screenshot of. |
| * @param consumer The {@link Surface} to take the screenshot into. |
| */ |
| public static void screenshot(IBinder display, Surface consumer) { |
| screenshot(display, consumer, new Rect(), 0, 0, 0, 0, true, false); |
| } |
| |
| /** |
| * Copy the current screen contents into a bitmap and return it. |
| * |
| * CAVEAT: Versions of screenshot that return a {@link Bitmap} can |
| * be extremely slow; avoid use unless absolutely necessary; prefer |
| * the versions that use a {@link Surface} instead, such as |
| * {@link SurfaceControl#screenshot(IBinder, Surface)}. |
| * |
| * @param sourceCrop The portion of the screen to capture into the Bitmap; |
| * caller may pass in 'new Rect()' if no cropping is desired. |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param minLayer The lowest (bottom-most Z order) surface layer to |
| * include in the screenshot. |
| * @param maxLayer The highest (top-most Z order) surface layer to |
| * include in the screenshot. |
| * @param useIdentityTransform Replace whatever transformation (rotation, |
| * scaling, translation) the surface layers are currently using with the |
| * identity transformation while taking the screenshot. |
| * @param rotation Apply a custom clockwise rotation to the screenshot, i.e. |
| * Surface.ROTATION_0,90,180,270. Surfaceflinger will always take |
| * screenshots in its native portrait orientation by default, so this is |
| * useful for returning screenshots that are independent of device |
| * orientation. |
| * @return Returns a Bitmap containing the screen contents, or null |
| * if an error occurs. Make sure to call Bitmap.recycle() as soon as |
| * possible, once its content is not needed anymore. |
| */ |
| public static Bitmap screenshot(Rect sourceCrop, int width, int height, |
| int minLayer, int maxLayer, boolean useIdentityTransform, |
| int rotation) { |
| // TODO: should take the display as a parameter |
| IBinder displayToken = SurfaceControl.getBuiltInDisplay( |
| SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN); |
| return nativeScreenshot(displayToken, sourceCrop, width, height, |
| minLayer, maxLayer, false, useIdentityTransform, rotation); |
| } |
| |
| /** |
| * Like {@link SurfaceControl#screenshot(int, int, int, int, boolean)} but |
| * includes all Surfaces in the screenshot. |
| * |
| * @param width The desired width of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @param height The desired height of the returned bitmap; the raw |
| * screen will be scaled down to this size. |
| * @return Returns a Bitmap containing the screen contents, or null |
| * if an error occurs. Make sure to call Bitmap.recycle() as soon as |
| * possible, once its content is not needed anymore. |
| */ |
| public static Bitmap screenshot(int width, int height) { |
| // TODO: should take the display as a parameter |
| IBinder displayToken = SurfaceControl.getBuiltInDisplay( |
| SurfaceControl.BUILT_IN_DISPLAY_ID_MAIN); |
| return nativeScreenshot(displayToken, new Rect(), width, height, 0, 0, true, |
| false, Surface.ROTATION_0); |
| } |
| |
| private static void screenshot(IBinder display, Surface consumer, Rect sourceCrop, |
| int width, int height, int minLayer, int maxLayer, boolean allLayers, |
| boolean useIdentityTransform) { |
| if (display == null) { |
| throw new IllegalArgumentException("displayToken must not be null"); |
| } |
| if (consumer == null) { |
| throw new IllegalArgumentException("consumer must not be null"); |
| } |
| nativeScreenshot(display, consumer, sourceCrop, width, height, |
| minLayer, maxLayer, allLayers, useIdentityTransform); |
| } |
| } |
