| /* |
| * 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); |
| } |
| |
| |
| } |