How to use

matrixMultiply

method

in

org.apache.batik.ext.awt.g2d.TransformStackElement

public boolean concatenate(TransformStackElement stackElement){
  boolean canConcatenate = false;
  if(type.toInt() == stackElement.type.toInt()){
    canConcatenate = true;
    switch(type.toInt()){
    case TransformType.TRANSFORM_TRANSLATE:
      transformParameters[0] += stackElement.transformParameters[0];
      transformParameters[1] += stackElement.transformParameters[1];
      break;
    case TransformType.TRANSFORM_ROTATE:
      transformParameters[0] += stackElement.transformParameters[0];
      break;
    case TransformType.TRANSFORM_SCALE:
      transformParameters[0] *= stackElement.transformParameters[0];
      transformParameters[1] *= stackElement.transformParameters[1];
      break;
    case TransformType.TRANSFORM_GENERAL:
      transformParameters
        = matrixMultiply(transformParameters,
                 stackElement.transformParameters);
      break;
    default:
      canConcatenate = false;
    }
  }
  return canConcatenate;
}

public boolean concatenate(TransformStackElement stackElement){
  boolean canConcatenate = false;
  if(type.toInt() == stackElement.type.toInt()){
    canConcatenate = true;
    switch(type.toInt()){
    case TransformType.TRANSFORM_TRANSLATE:
      transformParameters[0] += stackElement.transformParameters[0];
      transformParameters[1] += stackElement.transformParameters[1];
      break;
    case TransformType.TRANSFORM_ROTATE:
      transformParameters[0] += stackElement.transformParameters[0];
      break;
    case TransformType.TRANSFORM_SCALE:
      transformParameters[0] *= stackElement.transformParameters[0];
      transformParameters[1] *= stackElement.transformParameters[1];
      break;
    case TransformType.TRANSFORM_GENERAL:
      transformParameters
        = matrixMultiply(transformParameters,
                 stackElement.transformParameters);
      break;
    default:
      canConcatenate = false;
    }
  }
  return canConcatenate;
}

public boolean concatenate(TransformStackElement stackElement){
  boolean canConcatenate = false;
  if(type.toInt() == stackElement.type.toInt()){
    canConcatenate = true;
    switch(type.toInt()){
    case TransformType.TRANSFORM_TRANSLATE:
      transformParameters[0] += stackElement.transformParameters[0];
      transformParameters[1] += stackElement.transformParameters[1];
      break;
    case TransformType.TRANSFORM_ROTATE:
      transformParameters[0] += stackElement.transformParameters[0];
      break;
    case TransformType.TRANSFORM_SCALE:
      transformParameters[0] *= stackElement.transformParameters[0];
      transformParameters[1] *= stackElement.transformParameters[1];
      break;
    case TransformType.TRANSFORM_GENERAL:
      transformParameters
        = matrixMultiply(transformParameters,
                 stackElement.transformParameters);
      break;
    default:
      canConcatenate = false;
    }
  }
  return canConcatenate;
}