diff options
Diffstat (limited to 'graphics/java/android/graphics/Picture.java')
| -rw-r--r-- | graphics/java/android/graphics/Picture.java | 95 |
1 files changed, 45 insertions, 50 deletions
diff --git a/graphics/java/android/graphics/Picture.java b/graphics/java/android/graphics/Picture.java index a16c099..5aa7c6a 100644 --- a/graphics/java/android/graphics/Picture.java +++ b/graphics/java/android/graphics/Picture.java @@ -31,18 +31,13 @@ public class Picture { private Canvas mRecordingCanvas; private final long mNativePicture; - /** - * @hide - */ - public final boolean createdFromStream; - private static final int WORKING_STREAM_STORAGE = 16 * 1024; /** * Creates an empty picture that is ready to record. */ public Picture() { - this(nativeConstructor(0), false); + this(nativeConstructor(0)); } /** @@ -51,9 +46,25 @@ public class Picture { * changes will not be reflected in this picture. */ public Picture(Picture src) { - this(nativeConstructor(src != null ? src.mNativePicture : 0), false); + this(nativeConstructor(src != null ? src.mNativePicture : 0)); + } + + private Picture(long nativePicture) { + if (nativePicture == 0) { + throw new RuntimeException(); + } + mNativePicture = nativePicture; + } + + @Override + protected void finalize() throws Throwable { + try { + nativeDestructor(mNativePicture); + } finally { + super.finalize(); + } } - + /** * To record a picture, call beginRecording() and then draw into the Canvas * that is returned. Nothing we appear on screen, but all of the draw @@ -67,7 +78,7 @@ public class Picture { mRecordingCanvas = new RecordingCanvas(this, ni); return mRecordingCanvas; } - + /** * Call endRecording when the picture is built. After this call, the picture * may be drawn, but the canvas that was returned by beginRecording must not @@ -85,29 +96,36 @@ public class Picture { * Get the width of the picture as passed to beginRecording. This * does not reflect (per se) the content of the picture. */ - public native int getWidth(); + public int getWidth() { + return nativeGetWidth(mNativePicture); + } /** * Get the height of the picture as passed to beginRecording. This * does not reflect (per se) the content of the picture. */ - public native int getHeight(); - + public int getHeight() { + return nativeGetHeight(mNativePicture); + } + /** - * Draw this picture on the canvas. The picture may have the side effect - * of changing the matrix and clip of the canvas. - * + * Draw this picture on the canvas. + * <p> + * Prior to {@link android.os.Build.VERSION_CODES#L}, this call could + * have the side effect of changing the matrix and clip of the canvas + * if this picture had imbalanced saves/restores. + * * <p> * <strong>Note:</strong> This forces the picture to internally call * {@link Picture#endRecording()} in order to prepare for playback. * - * @param canvas The picture is drawn to this canvas + * @param canvas The picture is drawn to this canvas */ public void draw(Canvas canvas) { if (mRecordingCanvas != null) { endRecording(); } - nativeDraw(canvas.getNativeCanvas(), mNativePicture); + nativeDraw(canvas.getNativeCanvasWrapper(), mNativePicture); } /** @@ -119,7 +137,7 @@ public class Picture { * <p> * <strong>Note:</strong> a picture created from an input stream cannot be * replayed on a hardware accelerated canvas. - * + * * @see #writeToStream(java.io.OutputStream) * @deprecated The recommended alternative is to not use writeToStream and * instead draw the picture into a Bitmap from which you can persist it as @@ -127,7 +145,7 @@ public class Picture { */ @Deprecated public static Picture createFromStream(InputStream stream) { - return new Picture(nativeCreateFromStream(stream, new byte[WORKING_STREAM_STORAGE]), true); + return new Picture(nativeCreateFromStream(stream, new byte[WORKING_STREAM_STORAGE])); } /** @@ -156,38 +174,18 @@ public class Picture { } } - protected void finalize() throws Throwable { - try { - nativeDestructor(mNativePicture); - } finally { - super.finalize(); - } - } - - final long ni() { - return mNativePicture; - } - - private Picture(long nativePicture, boolean fromStream) { - if (nativePicture == 0) { - throw new RuntimeException(); - } - mNativePicture = nativePicture; - createdFromStream = fromStream; - } - // return empty picture if src is 0, or a copy of the native src private static native long nativeConstructor(long nativeSrcOr0); - private static native long nativeCreateFromStream(InputStream stream, - byte[] storage); - private static native long nativeBeginRecording(long nativeCanvas, - int w, int h); + private static native long nativeCreateFromStream(InputStream stream, byte[] storage); + private static native int nativeGetWidth(long nativePicture); + private static native int nativeGetHeight(long nativePicture); + private static native long nativeBeginRecording(long nativeCanvas, int w, int h); private static native void nativeEndRecording(long nativeCanvas); private static native void nativeDraw(long nativeCanvas, long nativePicture); private static native boolean nativeWriteToStream(long nativePicture, OutputStream stream, byte[] storage); private static native void nativeDestructor(long nativePicture); - + private static class RecordingCanvas extends Canvas { private final Picture mPicture; @@ -195,21 +193,18 @@ public class Picture { super(nativeCanvas); mPicture = pict; } - + @Override public void setBitmap(Bitmap bitmap) { - throw new RuntimeException( - "Cannot call setBitmap on a picture canvas"); + throw new RuntimeException("Cannot call setBitmap on a picture canvas"); } @Override public void drawPicture(Picture picture) { if (mPicture == picture) { - throw new RuntimeException( - "Cannot draw a picture into its recording canvas"); + throw new RuntimeException("Cannot draw a picture into its recording canvas"); } super.drawPicture(picture); } } } - |