How to use

getWidth

method

in

boofcv.struct.image.GrayS8

public static BufferedImage renderOrientation4(GrayS8 direction , GrayF32 intensity , float threshold , BufferedImage out ) {
    out = new BufferedImage(direction.getWidth(),direction.getHeight(),BufferedImage.TYPE_INT_RGB);
    int data[] = raster.getDataStorage();
    int w = direction.getWidth();
    int h = direction.getHeight();

public static BufferedImage renderOrientation4(GrayS8 direction , GrayF32 intensity , float threshold , BufferedImage out ) {
    out = new BufferedImage(direction.getWidth(),direction.getHeight(),BufferedImage.TYPE_INT_RGB);
    int offsetDst = ConvertRaster.getOffset(raster);
    int w = direction.getWidth();
    int h = direction.getHeight();

/**
 * Bounds image pixels to be between these two values
 * 
 * @param img Image
 * @param min minimum value.
 * @param max maximum value.
 */
public static void boundImage(GrayS8 img , int min , int max ) {
  final int h = img.getHeight();
  final int w = img.getWidth();
  byte[] data = img.data;
  for (int y = 0; y < h; y++) {
    int index = img.getStartIndex() + y * img.getStride();
    int indexEnd = index+w;
    // for(int x = 0; x < w; x++ ) {
    for (; index < indexEnd; index++) {
      int value = data[index];
      if( value < min )
        data[index] = (byte)min;
      else if( value > max )
        data[index] = (byte)max;
    }
  }
}

/**
 * <p>
 * Computes the absolute value of the difference between each pixel in the two images.<br>
 * d(x,y) = |img1(x,y) - img2(x,y)|
 * </p>
 * @param imgA Input image. Not modified.
 * @param imgB Input image. Not modified.
 * @param diff Absolute value of difference image. Modified.
 */
public static void diffAbs(GrayS8 imgA , GrayS8 imgB , GrayS8 diff ) {
  InputSanityCheck.checkSameShape(imgA,imgB,diff);
  
  final int h = imgA.getHeight();
  final int w = imgA.getWidth();
  for (int y = 0; y < h; y++) {
    int indexA = imgA.getStartIndex() + y * imgA.getStride();
    int indexB = imgB.getStartIndex() + y * imgB.getStride();
    int indexDiff = diff.getStartIndex() + y * diff.getStride();
    
    int indexEnd = indexA+w;
    // for(int x = 0; x < w; x++ ) {
    for (; indexA < indexEnd; indexA++, indexB++, indexDiff++ ) {
      diff.data[indexDiff] = (byte)Math.abs((imgA.data[indexA] ) - (imgB.data[indexB] ));
    }
  }
}

/**
 * <p>
 * Performs pixel-wise addition<br>
 * output(x,y) = imgA(x,y) + imgB(x,y)
 * </p>
 * @param imgA Input image. Not modified.
 * @param imgB Input image. Not modified.
 * @param output Output image. Modified.
 */
public static void add(GrayS8 imgA , GrayS8 imgB , GrayS16 output ) {
  InputSanityCheck.checkSameShape(imgA,imgB,output);
  
  final int h = imgA.getHeight();
  final int w = imgA.getWidth();
  for (int y = 0; y < h; y++) {
    int indexA = imgA.getStartIndex() + y * imgA.getStride();
    int indexB = imgB.getStartIndex() + y * imgB.getStride();
    int indexOut = output.getStartIndex() + y * output.getStride();
    
    int indexEnd = indexA+w;
    // for(int x = 0; x < w; x++ ) {
    for (; indexA < indexEnd; indexA++, indexB++, indexOut++ ) {
      output.data[indexOut] = (short)((imgA.data[indexA] ) + (imgB.data[indexB] ));
    }
  }
}

/**
 * <p>
 * Performs pixel-wise subtraction.<br>
 * output(x,y) = imgA(x,y) - imgB(x,y)
 * </p>
 * @param imgA Input image. Not modified.
 * @param imgB Input image. Not modified.
 * @param output Output image. Modified.
 */
public static void subtract(GrayS8 imgA , GrayS8 imgB , GrayS16 output ) {
  InputSanityCheck.checkSameShape(imgA,imgB,output);
  
  final int h = imgA.getHeight();
  final int w = imgA.getWidth();
  for (int y = 0; y < h; y++) {
    int indexA = imgA.getStartIndex() + y * imgA.getStride();
    int indexB = imgB.getStartIndex() + y * imgB.getStride();
    int indexOut = output.getStartIndex() + y * output.getStride();
    
    int indexEnd = indexA+w;
    // for(int x = 0; x < w; x++ ) {
    for (; indexA < indexEnd; indexA++, indexB++, indexOut++ ) {
      output.data[indexOut] = (short)((imgA.data[indexA] ) - (imgB.data[indexB] ));
    }
  }
}