content: /*
   * Copyright (C) 2014 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.renderscript;
  
  /**
   * Intrinsic for performing a resize of a 2D allocation.
   */
  public final class ScriptIntrinsicResize extends ScriptIntrinsic {
      private Allocation mInput;
  
      private ScriptIntrinsicResize(long id, RenderScript rs) {
          super(id, rs);
      }
  
      /**
       * Supported elements types are {@link Element#U8}, {@link
       * Element#U8_2}, {@link Element#U8_3}, {@link Element#U8_4}
       * {@link Element#F32}, {@link Element#F32_2}, {@link
       * Element#F32_3}, {@link Element#F32_4}
       *
       * @param rs The RenderScript context
       *
       * @return ScriptIntrinsicResize
       */
      public static ScriptIntrinsicResize create(RenderScript rs) {
          long id = rs.nScriptIntrinsicCreate(12, 0);
          ScriptIntrinsicResize si = new ScriptIntrinsicResize(id, rs);
          return si;
  
      }
  
      /**
       * Set the input of the resize.
       * Must match the element type supplied during create.
       *
       * @param ain The input allocation.
       */
      public void setInput(Allocation ain) {
          Element e = ain.getElement();
          if (!e.isCompatible(Element.U8(mRS)) &&
              !e.isCompatible(Element.U8_2(mRS)) &&
              !e.isCompatible(Element.U8_3(mRS)) &&
              !e.isCompatible(Element.U8_4(mRS)) &&
              !e.isCompatible(Element.F32(mRS)) &&
              !e.isCompatible(Element.F32_2(mRS)) &&
              !e.isCompatible(Element.F32_3(mRS)) &&
              !e.isCompatible(Element.F32_4(mRS))) {
              throw new RSIllegalArgumentException("Unsupported element type.");
          }
  
          mInput = ain;
          setVar(0, ain);
      }
  
      /**
       * Get a FieldID for the input field of this intrinsic.
       *
       * @return Script.FieldID The FieldID object.
       */
      public Script.FieldID getFieldID_Input() {
          return createFieldID(0, null);
      }
  
  
      /**
       * Resize copy the input allocation to the output specified. The
       * Allocation is rescaled if necessary using bi-cubic
       * interpolation.
       *
       * @param aout Output allocation. Element type must match
       *             current input.  Must not be same as input.
       */
      public void forEach_bicubic(Allocation aout) {
          if (aout == mInput) {
              throw new RSIllegalArgumentException("Output cannot be same as Input.");
          }
          forEach_bicubic(aout, null);
      }
  
      /**
       * Resize copy the input allocation to the output specified. The
       * Allocation is rescaled if necessary using bi-cubic
       * interpolation.
       *
       * @param aout Output allocation. Element type must match
       *             current input.
       * @param opt LaunchOptions for clipping
       */
      public void forEach_bicubic(Allocation aout, Script.LaunchOptions opt) {
          forEach(0, (Allocation) null, aout, null, opt);
      }
  
      /**
       * Get a KernelID for this intrinsic kernel.
       *
       * @return Script.KernelID The KernelID object.
       */
      public Script.KernelID getKernelID_bicubic() {
          return createKernelID(0, 2, null, null);
      }
  
  
  }
  