Revert "Rename LargeBitmap to BitmapRegionDecoder for having a better API."

This reverts commit 50ba3d2c09a9131f3578d271adf2bc8258ca1742.

1 files changed, 0 insertions, 270 deletions

diff --git a/graphics/java/android/graphics/BitmapRegionDecoder.java b/graphics/java/android/graphics/BitmapRegionDecoder.java
deleted file mode 100644
index bc92b05..0000000
--- a/graphics/java/android/graphics/BitmapRegionDecoder.java
+++ /dev/null
@@ -1,270 +0,0 @@
-/* Copyright (C) 2010 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.graphics;
-
-import android.content.res.AssetManager;
-import android.os.MemoryFile;
-
-import java.io.BufferedInputStream;
-import java.io.FileDescriptor;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-/**
- * BitmapRegionDecoder can be used to decode a rectangle region from an image.
- * BitmapRegionDecoder is particularly useful when an original image is large and
- * you only need parts of the image.
- *
- * <p>To create a BitmapRegionDecoder, call newInstance(...).
- * Given a BitmapRegionDecoder, users can call decodeRegion() repeatedly
- * to get a decoded Bitmap of the specified region.
- *
- * @hide
- */
-public final class BitmapRegionDecoder {
-    private int mNativeBitmapRegionDecoder;
-    private boolean mRecycled;
-
-    /**
-     * Create a BitmapRegionDecoder from the specified byte array.
-     * Currently only the Jpeg format is supported.
-     *
-     * @param data byte array of compressed image data.
-     * @param offset offset into data for where the decoder should begin
-     *               parsing.
-     * @param length the number of bytes, beginning at offset, to parse
-     * @param isShareable If this is true, then the BitmapRegionDecoder may keep a
-     *                    shallow reference to the input. If this is false,
-     *                    then the BitmapRegionDecoder will explicitly make a copy of the
-     *                    input data, and keep that. Even if sharing is allowed,
-     *                    the implementation may still decide to make a deep
-     *                    copy of the input data. If an image is progressively encoded,
-     *                    allowing sharing may degrade the decoding speed.
-     * @return BitmapRegionDecoder, or null if the image data could not be decoded.
-     * @throws IOException if the image format is not supported or can not be decoded.
-     */
-    public static BitmapRegionDecoder newInstance(byte[] data,
-            int offset, int length, boolean isShareable) throws IOException {
-        if ((offset | length) < 0 || data.length < offset + length) {
-            throw new ArrayIndexOutOfBoundsException();
-        }
-        return nativeNewInstance(data, offset, length, isShareable);
-    }
-
-    /**
-     * Create a BitmapRegionDecoder from the file descriptor.
-     * The position within the descriptor will not be changed when
-     * this returns, so the descriptor can be used again as is.
-     * Currently only the Jpeg format is supported.
-     *
-     * @param fd The file descriptor containing the data to decode
-     * @param isShareable If this is true, then the BitmapRegionDecoder may keep a
-     *                    shallow reference to the input. If this is false,
-     *                    then the BitmapRegionDecoder will explicitly make a copy of the
-     *                    input data, and keep that. Even if sharing is allowed,
-     *                    the implementation may still decide to make a deep
-     *                    copy of the input data. If an image is progressively encoded,
-     *                    allowing sharing may degrade the decoding speed.
-     * @return BitmapRegionDecoder, or null if the image data could not be decoded.
-     * @throws IOException if the image format is not supported or can not be decoded.
-     */
-    public static BitmapRegionDecoder newInstance(
-            FileDescriptor fd, boolean isShareable) throws IOException {
-        if (MemoryFile.isMemoryFile(fd)) {
-            int mappedlength = MemoryFile.getSize(fd);
-            MemoryFile file = new MemoryFile(fd, mappedlength, "r");
-            InputStream is = file.getInputStream();
-            return newInstance(is, isShareable);
-        }
-        return nativeNewInstance(fd, isShareable);
-    }
-
-    /**
-     * Create a BitmapRegionDecoder from an input stream.
-     * The stream's position will be where ever it was after the encoded data
-     * was read.
-     * Currently only the Jpeg format is supported.
-     *
-     * @param is The input stream that holds the raw data to be decoded into a
-     *           BitmapRegionDecoder.
-     * @param isShareable If this is true, then the BitmapRegionDecoder may keep a
-     *                    shallow reference to the input. If this is false,
-     *                    then the BitmapRegionDecoder will explicitly make a copy of the
-     *                    input data, and keep that. Even if sharing is allowed,
-     *                    the implementation may still decide to make a deep
-     *                    copy of the input data. If an image is progressively encoded,
-     *                    allowing sharing may degrade the decoding speed.
-     * @return BitmapRegionDecoder, or null if the image data could not be decoded.
-     * @throws IOException if the image format is not supported or can not be decoded.
-     */
-    public static BitmapRegionDecoder newInstance(InputStream is,
-            boolean isShareable) throws IOException {
-        // we need mark/reset to work properly in JNI
-
-        if (!is.markSupported()) {
-            is = new BufferedInputStream(is, 16 * 1024);
-        }
-
-        if (is instanceof AssetManager.AssetInputStream) {
-            return nativeNewInstance(
-                    ((AssetManager.AssetInputStream) is).getAssetInt(),
-                    isShareable);
-        } else {
-            // pass some temp storage down to the native code. 1024 is made up,
-            // but should be large enough to avoid too many small calls back
-            // into is.read(...).
-            byte [] tempStorage = new byte[16 * 1024];
-            return nativeNewInstance(is, tempStorage, isShareable);
-        }
-    }
-
-    /**
-     * Create a BitmapRegionDecoder from a file path.
-     * Currently only the Jpeg format is supported.
-     *
-     * @param pathName complete path name for the file to be decoded.
-     * @param isShareable If this is true, then the BitmapRegionDecoder may keep a
-     *                    shallow reference to the input. If this is false,
-     *                    then the BitmapRegionDecoder will explicitly make a copy of the
-     *                    input data, and keep that. Even if sharing is allowed,
-     *                    the implementation may still decide to make a deep
-     *                    copy of the input data. If an image is progressively encoded,
-     *                    allowing sharing may degrade the decoding speed.
-     * @return BitmapRegionDecoder, or null if the image data could not be decoded.
-     * @throws IOException if the image format is not supported or can not be decoded.
-     */
-    public static BitmapRegionDecoder newInstance(String pathName,
-            boolean isShareable) throws IOException {
-        BitmapRegionDecoder decoder = null;
-        InputStream stream = null;
-
-        try {
-            stream = new FileInputStream(pathName);
-            decoder = newInstance(stream, isShareable);
-        } finally {
-            if (stream != null) {
-                try {
-                    stream.close();
-                } catch (IOException e) {
-                    // do nothing here
-                }
-            }
-        }
-        return decoder;
-    }
-
-    /*  Private constructor that must receive an already allocated native
-        region decoder int (pointer).
-
-        This can be called from JNI code.
-    */
-    private BitmapRegionDecoder(int decoder) {
-        mNativeBitmapRegionDecoder = decoder;
-        mRecycled = false;
-    }
-
-    /**
-     * Decodes a rectangle region in the image specified by rect.
-     *
-     * @param rect The rectangle that specified the region to be decode.
-     * @param options null-ok; Options that control downsampling.
-     *             inPurgeable is not supported.
-     * @return The decoded bitmap, or null if the image data could not be
-     *         decoded.
-     */
-    public Bitmap decodeRegion(Rect rect, BitmapFactory.Options options) {
-        checkRecycled("decodeRegion called on recycled region decoder");
-        if (rect.left < 0 || rect.top < 0 || rect.right > getWidth()
-                || rect.bottom > getHeight())
-            throw new IllegalArgumentException("rectangle is not inside the image");
-        return nativeDecodeRegion(mNativeBitmapRegionDecoder, rect.left, rect.top,
-                rect.right - rect.left, rect.bottom - rect.top, options);
-    }
-
-    /** Returns the original image's width */
-    public int getWidth() {
-        checkRecycled("getWidth called on recycled region decoder");
-        return nativeGetWidth(mNativeBitmapRegionDecoder);
-    }
-
-    /** Returns the original image's height */
-    public int getHeight() {
-        checkRecycled("getHeight called on recycled region decoder");
-        return nativeGetHeight(mNativeBitmapRegionDecoder);
-    }
-
-    /**
-     * Frees up the memory associated with this region decoder, and mark the
-     * region decoder as "dead", meaning it will throw an exception if decodeRegion(),
-     * getWidth() or getHeight() is called.
-     *
-     * <p>This operation cannot be reversed, so it should only be called if you are
-     * sure there are no further uses for the region decoder. This is an advanced call,
-     * and normally need not be called, since the normal GC process will free up this
-     * memory when there are no more references to this region decoder.
-     */
-    public void recycle() {
-        if (!mRecycled) {
-            nativeClean(mNativeBitmapRegionDecoder);
-            mRecycled = true;
-        }
-    }
-
-    /**
-     * Returns true if this region decoder has been recycled.
-     * If so, then it is an error to try use its method.
-     *
-     * @return true if the region decoder has been recycled
-     */
-    public final boolean isRecycled() {
-        return mRecycled;
-    }
-
-    /**
-     * Called by methods that want to throw an exception if the region decoder
-     * has already been recycled.
-     */
-    private void checkRecycled(String errorMessage) {
-        if (mRecycled) {
-            throw new IllegalStateException(errorMessage);
-        }
-    }
-
-    protected void finalize() throws Throwable {
-        try {
-            recycle();
-        } finally {
-            super.finalize();
-        }
-    }
-
-    private static native Bitmap nativeDecodeRegion(int lbm,
-            int start_x, int start_y, int width, int height,
-            BitmapFactory.Options options);
-    private static native int nativeGetWidth(int lbm);
-    private static native int nativeGetHeight(int lbm);
-    private static native void nativeClean(int lbm);
-
-    private static native BitmapRegionDecoder nativeNewInstance(
-            byte[] data, int offset, int length, boolean isShareable);
-    private static native BitmapRegionDecoder nativeNewInstance(
-            FileDescriptor fd, boolean isShareable);
-    private static native BitmapRegionDecoder nativeNewInstance(
-            InputStream is, byte[] storage, boolean isShareable);
-    private static native BitmapRegionDecoder nativeNewInstance(
-            int asset, boolean isShareable);
-}