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/*
* 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);
}
}
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