Home | History | Annotate | Download | only in modelviewer 
      1 /*
      2  * Copyright (C) 2008 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 com.android.modelviewer;
     18 
     19 import java.io.Writer;
     20 import java.util.Map;
     21 import java.util.Vector;
     22 
     23 import android.content.res.Resources;
     24 import android.renderscript.*;
     25 import android.renderscript.Element.Builder;
     26 import android.renderscript.ProgramStore.DepthFunc;
     27 import android.util.Log;
     28 
     29 enum TransformType {
     30 
     31     NONE(0),
     32     TRANSLATE(1),
     33     ROTATE(2),
     34     SCALE(3);
     35 
     36     int mID;
     37     TransformType(int id) {
     38         mID = id;
     39     }
     40 }
     41 
     42 public class SgTransform {
     43 
     44 
     45     ScriptField_SgTransform mTransformField;
     46     ScriptField_SgTransform mChildField;
     47     public ScriptField_SgTransform.Item mTransformData;
     48 
     49     RenderScript mRS;
     50 
     51     Vector mChildren;
     52     SgTransform mParent;
     53     int mIndexInParentGroup;
     54 
     55     public void setParent(SgTransform parent, int parentIndex) {
     56         mParent = parent;
     57         mIndexInParentGroup = parentIndex;
     58     }
     59 
     60     public void addChild(SgTransform child) {
     61         mChildren.add(child);
     62         child.setParent(this, mChildren.size() - 1);
     63     }
     64 
     65     public void setTransform(int index, Float4 value, TransformType type) {
     66         mTransformData.transforms[index] = value;
     67         mTransformData.transformTypes[index] = type.mID;
     68     }
     69 
     70     void initData() {
     71         int numElements = mTransformData.transforms.length;
     72         mTransformData.transformTypes = new int[numElements];
     73         for (int i = 0; i < numElements; i ++) {
     74             mTransformData.transforms[i] = new Float4(0, 0, 0, 0);
     75             mTransformData.transformTypes[i] = TransformType.NONE.mID;
     76         }
     77 
     78         mTransformData.isDirty = 1;
     79         mTransformData.children = null;
     80     }
     81 
     82     public SgTransform(RenderScript rs) {
     83         mRS = rs;
     84         mTransformData = new ScriptField_SgTransform.Item();
     85         mChildren = new Vector();
     86         initData();
     87     }
     88 
     89     public ScriptField_SgTransform.Item getData() {
     90         if (mChildren.size() != 0) {
     91             mChildField = new ScriptField_SgTransform(mRS, mChildren.size());
     92             mTransformData.children = mChildField.getAllocation();
     93 
     94             for (int i = 0; i < mChildren.size(); i ++) {
     95                 SgTransform child = (SgTransform)mChildren.get(i);
     96                 mChildField.set(child.getData(), i, false);
     97             }
     98             mChildField.copyAll();
     99         }
    100 
    101         return mTransformData;
    102     }
    103 
    104     public ScriptField_SgTransform getField() {
    105         mTransformField = new ScriptField_SgTransform(mRS, 1);
    106         mTransformField.set(getData(), 0, true);
    107         return mTransformField;
    108     }
    109 }
    110 
    111 
    112 
    113