1 files changed, 122 insertions, 0 deletions
diff --git a/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/TouchHandler.java b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/TouchHandler.java
new file mode 100644
index 0000000..4d30341
--- /dev/null
+++ b/tests/RenderScriptTests/SceneGraph/src/com/android/testapp/TouchHandler.java
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2011 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 com.android.testapp;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.FileInputStream;
+import java.io.BufferedInputStream;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Vector;
+
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.os.AsyncTask;
+import android.renderscript.*;
+import android.renderscript.Allocation.MipmapControl;
+import android.renderscript.Element.Builder;
+import android.renderscript.Font.Style;
+import android.renderscript.Program.TextureType;
+import android.renderscript.ProgramStore.DepthFunc;
+import android.util.Log;
+
+import com.android.scenegraph.*;
+
+public class TouchHandler {
+
+    private static String TAG = "TouchHandler";
+
+    public TouchHandler() {
+    }
+
+    public void init(Scene scene) {
+        mCameraRotate = (CompoundTransform)scene.getTransformByName("CameraAim");
+        mCameraDist = (CompoundTransform)scene.getTransformByName("CameraDist");
+
+        if (mCameraRotate != null && mCameraDist != null) {
+            mRotateX = mCameraRotate.mTransformComponents.get(2);
+            mRotateY = mCameraRotate.mTransformComponents.get(1);
+            mDist = mCameraDist.mTransformComponents.get(0);
+        }
+    }
+
+
+    private Resources mRes;
+    private RenderScriptGL mRS;
+
+    float mLastX;
+    float mLastY;
+
+    CompoundTransform mCameraRotate;
+    CompoundTransform mCameraDist;
+
+    CompoundTransform.Component mRotateX;
+    CompoundTransform.Component mRotateY;
+    CompoundTransform.Component mDist;
+
+    public void onActionDown(float x, float y) {
+        mLastX = x;
+        mLastY = y;
+    }
+
+    public void onActionScale(float scale) {
+        if (mCameraDist == null) {
+            return;
+        }
+        mDist.mValue.z *= 1.0f / scale;
+        mDist.mValue.z = Math.max(20.0f, Math.min(mDist.mValue.z, 100.0f));
+        mCameraDist.updateRSData();
+    }
+
+    public void onActionMove(float x, float y) {
+        if (mCameraRotate == null) {
+            return;
+        }
+
+        float dx = mLastX - x;
+        float dy = mLastY - y;
+
+        if (Math.abs(dy) <= 2.0f) {
+            dy = 0.0f;
+        }
+        if (Math.abs(dx) <= 2.0f) {
+            dx = 0.0f;
+        }
+
+        mRotateY.mValue.w += dx*0.25;
+        if (mRotateY.mValue.w > 360) {
+            mRotateY.mValue.w -= 360;
+        }
+        if (mRotateY.mValue.w < 0) {
+            mRotateY.mValue.w += 360;
+        }
+
+        mRotateX.mValue.w += dy*0.25;
+        mRotateX.mValue.w = Math.max(mRotateX.mValue.w, -80.0f);
+        mRotateX.mValue.w = Math.min(mRotateX.mValue.w, 0.0f);
+
+        mLastX = x;
+        mLastY = y;
+
+        mCameraRotate.updateRSData();
+    }
+}