1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.renderscript; 18 19 /** 20 * Intrinsic for performing a resize of a 2D allocation. 21 * 22 * @deprecated Renderscript has been deprecated in API level 31. Please refer to the <a 23 * href="https://developer.android.com/guide/topics/renderscript/migration-guide">migration 24 * guide</a> for the proposed alternatives. 25 */ 26 @Deprecated 27 public final class ScriptIntrinsicResize extends ScriptIntrinsic { 28 private Allocation mInput; 29 ScriptIntrinsicResize(long id, RenderScript rs)30 private ScriptIntrinsicResize(long id, RenderScript rs) { 31 super(id, rs); 32 } 33 34 /** 35 * Supported elements types are {@link Element#U8}, {@link 36 * Element#U8_2}, {@link Element#U8_3}, {@link Element#U8_4} 37 * {@link Element#F32}, {@link Element#F32_2}, {@link 38 * Element#F32_3}, {@link Element#F32_4} 39 * 40 * @param rs The RenderScript context 41 * 42 * @return ScriptIntrinsicResize 43 */ create(RenderScript rs)44 public static ScriptIntrinsicResize create(RenderScript rs) { 45 long id = rs.nScriptIntrinsicCreate(12, 0); 46 ScriptIntrinsicResize si = new ScriptIntrinsicResize(id, rs); 47 return si; 48 49 } 50 51 /** 52 * Set the input of the resize. 53 * Must match the element type supplied during create. 54 * 55 * @param ain The input allocation. 56 */ setInput(Allocation ain)57 public void setInput(Allocation ain) { 58 Element e = ain.getElement(); 59 if (!e.isCompatible(Element.U8(mRS)) && 60 !e.isCompatible(Element.U8_2(mRS)) && 61 !e.isCompatible(Element.U8_3(mRS)) && 62 !e.isCompatible(Element.U8_4(mRS)) && 63 !e.isCompatible(Element.F32(mRS)) && 64 !e.isCompatible(Element.F32_2(mRS)) && 65 !e.isCompatible(Element.F32_3(mRS)) && 66 !e.isCompatible(Element.F32_4(mRS))) { 67 throw new RSIllegalArgumentException("Unsupported element type."); 68 } 69 70 mInput = ain; 71 setVar(0, ain); 72 } 73 74 /** 75 * Get a FieldID for the input field of this intrinsic. 76 * 77 * @return Script.FieldID The FieldID object. 78 */ getFieldID_Input()79 public Script.FieldID getFieldID_Input() { 80 return createFieldID(0, null); 81 } 82 83 84 /** 85 * Resize copy the input allocation to the output specified. The 86 * Allocation is rescaled if necessary using bi-cubic 87 * interpolation. 88 * 89 * @param aout Output allocation. Element type must match 90 * current input. Must not be same as input. 91 */ forEach_bicubic(Allocation aout)92 public void forEach_bicubic(Allocation aout) { 93 if (aout == mInput) { 94 throw new RSIllegalArgumentException("Output cannot be same as Input."); 95 } 96 forEach_bicubic(aout, null); 97 } 98 99 /** 100 * Resize copy the input allocation to the output specified. The 101 * Allocation is rescaled if necessary using bi-cubic 102 * interpolation. 103 * 104 * @param aout Output allocation. Element type must match 105 * current input. 106 * @param opt LaunchOptions for clipping 107 */ forEach_bicubic(Allocation aout, Script.LaunchOptions opt)108 public void forEach_bicubic(Allocation aout, Script.LaunchOptions opt) { 109 forEach(0, (Allocation) null, aout, null, opt); 110 } 111 112 /** 113 * Get a KernelID for this intrinsic kernel. 114 * 115 * @return Script.KernelID The KernelID object. 116 */ getKernelID_bicubic()117 public Script.KernelID getKernelID_bicubic() { 118 return createKernelID(0, 2, null, null); 119 } 120 121 122 } 123