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/*
* Copyright (C) 2008 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;
import java.io.IOException;
import java.io.InputStream;
import android.content.res.Resources;
/**
* @hide
**/
public class ScriptC extends Script {
ScriptC(int id, RenderScript rs) {
super(id, rs);
}
public static class Builder extends Script.Builder {
byte[] mProgram;
int mProgramLength;
public Builder(RenderScript rs) {
super(rs);
}
public void setScript(String s) {
try {
mProgram = s.getBytes("UTF-8");
mProgramLength = mProgram.length;
} catch (java.io.UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
public void setScript(Resources resources, int id) {
InputStream is = resources.openRawResource(id);
try {
try {
setScript(is);
} finally {
is.close();
}
} catch(IOException e) {
throw new Resources.NotFoundException();
}
}
public void setScript(InputStream is) throws IOException {
byte[] buf = new byte[1024];
int currentPos = 0;
while(true) {
int bytesLeft = buf.length - currentPos;
if (bytesLeft == 0) {
byte[] buf2 = new byte[buf.length * 2];
System.arraycopy(buf, 0, buf2, 0, buf.length);
buf = buf2;
bytesLeft = buf.length - currentPos;
}
int bytesRead = is.read(buf, currentPos, bytesLeft);
if (bytesRead <= 0) {
break;
}
currentPos += bytesRead;
}
mProgram = buf;
mProgramLength = currentPos;
}
static synchronized ScriptC internalCreate(Builder b) {
b.mRS.nScriptCBegin();
b.transferCreate();
b.mRS.nScriptCSetScript(b.mProgram, 0, b.mProgramLength);
int id = b.mRS.nScriptCCreate();
ScriptC obj = new ScriptC(id, b.mRS);
b.transferObject(obj);
return obj;
}
public ScriptC create() {
return internalCreate(this);
}
}
}
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