1 package com.android.rs.refocus; 2 3 import android.graphics.Bitmap; 4 import android.support.v8.renderscript.Allocation; 5 import android.support.v8.renderscript.RenderScript; 6 7 /** 8 * A class that manages the image buffers that interface between Java and Render 9 * Script. This class will be specialized for float in f32 package and for byte 10 * in u8 package. 11 * 12 * @author zhl (at) google.com (Li Zhang) 13 */ 14 public class ImageBuffersForRenderScript { 15 /** 16 * Input and output images and their corresponding Allocation to interface 17 * with Render Script. Both input and output images are unpadded images. 18 */ 19 public Bitmap inputImage; 20 public Bitmap outputImage; 21 public Allocation inAllocation; 22 public Allocation outAllocation; 23 24 /** 25 * The following three member variables are used in the subclasses that extend 26 * this class. Therefore, they are protected. 27 */ 28 public int imageWidthPadded; 29 public int imageHeightPadded; 30 public int paddedMargin; 31 32 public ImageBuffersForRenderScript(Bitmap inImage, int margin, 33 RenderScript renderScript) { 34 inputImage = inImage; 35 inAllocation = Allocation.createFromBitmap(renderScript, inputImage); 36 37 outputImage = Bitmap.createBitmap(inputImage.getWidth(), 38 inputImage.getHeight(), Bitmap.Config.ARGB_8888); 39 outAllocation = Allocation.createFromBitmap(renderScript, outputImage); 40 41 paddedMargin = margin; 42 imageWidthPadded = inputImage.getWidth() + 2 * margin; 43 imageHeightPadded = inputImage.getHeight() + 2 * margin; 44 } 45 } 46
