107 lines
2.9 KiB
Java
107 lines
2.9 KiB
Java
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.renderscript;
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import java.io.IOException;
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import java.io.InputStream;
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import android.content.res.Resources;
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/**
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* @hide
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**/
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public class ScriptC extends Script {
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ScriptC(int id, RenderScript rs) {
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super(id, rs);
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}
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public static class Builder extends Script.Builder {
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byte[] mProgram;
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int mProgramLength;
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public Builder(RenderScript rs) {
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super(rs);
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}
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public void setScript(String s) {
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try {
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mProgram = s.getBytes("UTF-8");
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mProgramLength = mProgram.length;
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} catch (java.io.UnsupportedEncodingException e) {
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throw new RuntimeException(e);
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}
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}
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public void setScript(Resources resources, int id) {
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InputStream is = resources.openRawResource(id);
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try {
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try {
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setScript(is);
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} finally {
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is.close();
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}
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} catch(IOException e) {
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throw new Resources.NotFoundException();
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}
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}
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public void setScript(InputStream is) throws IOException {
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byte[] buf = new byte[1024];
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int currentPos = 0;
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while(true) {
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int bytesLeft = buf.length - currentPos;
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if (bytesLeft == 0) {
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byte[] buf2 = new byte[buf.length * 2];
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System.arraycopy(buf, 0, buf2, 0, buf.length);
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buf = buf2;
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bytesLeft = buf.length - currentPos;
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}
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int bytesRead = is.read(buf, currentPos, bytesLeft);
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if (bytesRead <= 0) {
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break;
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}
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currentPos += bytesRead;
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}
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mProgram = buf;
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mProgramLength = currentPos;
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}
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static synchronized ScriptC internalCreate(Builder b) {
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b.mRS.nScriptCBegin();
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b.transferCreate();
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b.mRS.nScriptCSetScript(b.mProgram, 0, b.mProgramLength);
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int id = b.mRS.nScriptCCreate();
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ScriptC obj = new ScriptC(id, b.mRS);
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b.transferObject(obj);
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return obj;
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}
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public ScriptC create() {
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return internalCreate(this);
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}
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}
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}
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