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Diffstat (limited to 'src/com/android/camera/Mosaic.java')
| -rw-r--r-- | src/com/android/camera/Mosaic.java | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/src/com/android/camera/Mosaic.java b/src/com/android/camera/Mosaic.java deleted file mode 100644 index 78876c384..000000000 --- a/src/com/android/camera/Mosaic.java +++ /dev/null @@ -1,206 +0,0 @@ -/* - * Copyright (C) 2011 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 com.android.camera; - -/** - * The Java interface to JNI calls regarding mosaic stitching. - * - * A high-level usage is: - * - * Mosaic mosaic = new Mosaic(); - * mosaic.setSourceImageDimensions(width, height); - * mosaic.reset(blendType); - * - * while ((pixels = hasNextImage()) != null) { - * mosaic.setSourceImage(pixels); - * } - * - * mosaic.createMosaic(highRes); - * byte[] result = mosaic.getFinalMosaic(); - * - */ -public class Mosaic { - /** - * In this mode, the images are stitched together in the same spatial arrangement as acquired - * i.e. if the user follows a curvy trajectory, the image boundary of the resulting mosaic will - * be curved in the same manner. This mode is useful if the user wants to capture a mosaic as - * if "painting" the scene using the smart-phone device and does not want any corrective warps - * to distort the captured images. - */ - public static final int BLENDTYPE_FULL = 0; - - /** - * This mode is the same as BLENDTYPE_FULL except that the resulting mosaic is rotated - * to balance the first and last images to be approximately at the same vertical offset in the - * output mosaic. This is useful when acquiring a mosaic by a typical panning-like motion to - * remove a one-sided curve in the mosaic (typically due to the camera not staying horizontal - * during the video capture) and convert it to a more symmetrical "smiley-face" like output. - */ - public static final int BLENDTYPE_PAN = 1; - - /** - * This mode compensates for typical "smiley-face" like output in longer mosaics and creates - * a rectangular mosaic with minimal black borders (by unwrapping the mosaic onto an imaginary - * cylinder). If the user follows a curved trajectory (instead of a perfect panning trajectory), - * the resulting mosaic here may suffer from some image distortions in trying to map the - * trajectory to a cylinder. - */ - public static final int BLENDTYPE_CYLINDERPAN = 2; - - /** - * This mode is basically BLENDTYPE_CYLINDERPAN plus doing a rectangle cropping before returning - * the mosaic. The mode is useful for making the resulting mosaic have a rectangle shape. - */ - public static final int BLENDTYPE_HORIZONTAL =3; - - /** - * This strip type will use the default thin strips where the strips are - * spaced according to the image capture rate. - */ - public static final int STRIPTYPE_THIN = 0; - - /** - * This strip type will use wider strips for blending. The strip separation - * is controlled by a threshold on the native side. Since the strips are - * wider, there is an additional cross-fade blending step to make the seam - * boundaries smoother. Since this mode uses lesser image frames, it is - * computationally more efficient than the thin strip mode. - */ - public static final int STRIPTYPE_WIDE = 1; - - /** - * Return flags returned by createMosaic() are one of the following. - */ - public static final int MOSAIC_RET_OK = 1; - public static final int MOSAIC_RET_ERROR = -1; - public static final int MOSAIC_RET_CANCELLED = -2; - public static final int MOSAIC_RET_LOW_TEXTURE = -3; - public static final int MOSAIC_RET_FEW_INLIERS = 2; - - - static { - System.loadLibrary("jni_mosaic"); - } - - /** - * Allocate memory for the image frames at the given resolution. - * - * @param width width of the input frames in pixels - * @param height height of the input frames in pixels - */ - public native void allocateMosaicMemory(int width, int height); - - /** - * Free memory allocated by allocateMosaicMemory. - * - */ - public native void freeMosaicMemory(); - - /** - * Pass the input image frame to the native layer. Each time the a new - * source image t is set, the transformation matrix from the first source - * image to t is computed and returned. - * - * @param pixels source image of NV21 format. - * @return Float array of length 11; first 9 entries correspond to the 3x3 - * transformation matrix between the first frame and the passed frame; - * the 10th entry is the number of the passed frame, where the counting - * starts from 1; and the 11th entry is the returning code, whose value - * is one of those MOSAIC_RET_* returning flags defined above. - */ - public native float[] setSourceImage(byte[] pixels); - - /** - * This is an alternative to the setSourceImage function above. This should - * be called when the image data is already on the native side in a fixed - * byte array. In implementation, this array is filled by the GL thread - * using glReadPixels directly from GPU memory (where it is accessed by - * an associated SurfaceTexture). - * - * @return Float array of length 11; first 9 entries correspond to the 3x3 - * transformation matrix between the first frame and the passed frame; - * the 10th entry is the number of the passed frame, where the counting - * starts from 1; and the 11th entry is the returning code, whose value - * is one of those MOSAIC_RET_* returning flags defined above. - */ - public native float[] setSourceImageFromGPU(); - - /** - * Set the type of blending. - * - * @param type the blending type defined in the class. {BLENDTYPE_FULL, - * BLENDTYPE_PAN, BLENDTYPE_CYLINDERPAN, BLENDTYPE_HORIZONTAL} - */ - public native void setBlendingType(int type); - - /** - * Set the type of strips to use for blending. - * @param type the blending strip type to use {STRIPTYPE_THIN, - * STRIPTYPE_WIDE}. - */ - public native void setStripType(int type); - - /** - * Tell the native layer to create the final mosaic after all the input frame - * data have been collected. - * The case of generating high-resolution mosaic may take dozens of seconds to finish. - * - * @param value True means generating a high-resolution mosaic - - * which is based on the original images set in setSourceImage(). - * False means generating a low-resolution version - - * which is based on 1/4 downscaled images from the original images. - * @return Returns a status code suggesting if the mosaic building was - * successful, in error, or was cancelled by the user. - */ - public native int createMosaic(boolean value); - - /** - * Get the data for the created mosaic. - * - * @return Returns an integer array which contains the final mosaic in the ARGB_8888 format. - * The first MosaicWidth*MosaicHeight values contain the image data, followed by 2 - * integers corresponding to the values MosaicWidth and MosaicHeight respectively. - */ - public native int[] getFinalMosaic(); - - /** - * Get the data for the created mosaic. - * - * @return Returns a byte array which contains the final mosaic in the NV21 format. - * The first MosaicWidth*MosaicHeight*1.5 values contain the image data, followed by - * 8 bytes which pack the MosaicWidth and MosaicHeight integers into 4 bytes each - * respectively. - */ - public native byte[] getFinalMosaicNV21(); - - /** - * Reset the state of the frame arrays which maintain the captured frame data. - * Also re-initializes the native mosaic object to make it ready for capturing a new mosaic. - */ - public native void reset(); - - /** - * Get the progress status of the mosaic computation process. - * @param hires Boolean flag to select whether to report progress of the - * low-res or high-res mosaicer. - * @param cancelComputation Boolean flag to allow cancelling the - * mosaic computation when needed from the GUI end. - * @return Returns a number from 0-100 where 50 denotes that the mosaic - * computation is 50% done. - */ - public native int reportProgress(boolean hires, boolean cancelComputation); -} |