Add a new Camera API to control the camera's location
Change-Id: Id9a082d2def803eb527e1987875e0d8a22c6e8aa
diff --git a/api/current.xml b/api/current.xml
index a36f066..cd827a6 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -77585,6 +77585,23 @@
visibility="public"
>
</method>
+<method name="rotate"
+ return="void"
+ abstract="false"
+ native="true"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="x" type="float">
+</parameter>
+<parameter name="y" type="float">
+</parameter>
+<parameter name="z" type="float">
+</parameter>
+</method>
<method name="rotateX"
return="void"
abstract="false"
@@ -77635,6 +77652,23 @@
visibility="public"
>
</method>
+<method name="setLocation"
+ return="void"
+ abstract="false"
+ native="true"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="x" type="float">
+</parameter>
+<parameter name="y" type="float">
+</parameter>
+<parameter name="z" type="float">
+</parameter>
+</method>
<method name="translate"
return="void"
abstract="false"
@@ -266659,7 +266693,7 @@
deprecated="not deprecated"
visibility="public"
>
-<parameter name="t" type="T">
+<parameter name="arg0" type="T">
</parameter>
</method>
</interface>
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index ae06888..e00b9cd 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -5748,9 +5748,7 @@
}
mCamera.save();
mMatrix.preScale(mScaleX, mScaleY, mPivotX, mPivotY);
- mCamera.rotateX(mRotationX);
- mCamera.rotateY(mRotationY);
- mCamera.rotateZ(-mRotation);
+ mCamera.rotate(mRotationX, mRotationY, -mRotation);
mCamera.getMatrix(matrix3D);
matrix3D.preTranslate(-mPivotX, -mPivotY);
matrix3D.postTranslate(mPivotX + mTranslationX, mPivotY + mTranslationY);
diff --git a/core/jni/android/graphics/Camera.cpp b/core/jni/android/graphics/Camera.cpp
index 980003e..0d715fd 100644
--- a/core/jni/android/graphics/Camera.cpp
+++ b/core/jni/android/graphics/Camera.cpp
@@ -45,6 +45,18 @@
v->rotateZ(SkFloatToScalar(degrees));
}
+static void Camera_rotate(JNIEnv* env, jobject obj, jfloat x, jfloat y, jfloat z) {
+ Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+ v->rotateX(SkFloatToScalar(x));
+ v->rotateY(SkFloatToScalar(y));
+ v->rotateZ(SkFloatToScalar(z));
+}
+
+static void Camera_setLocation(JNIEnv* env, jobject obj, jfloat x, jfloat y, jfloat z) {
+ Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
+ v->setCameraLocation(SkFloatToScalar(x), SkFloatToScalar(y), SkFloatToScalar(z));
+}
+
static void Camera_getMatrix(JNIEnv* env, jobject obj, int native_matrix) {
Sk3DView* v = (Sk3DView*)env->GetIntField(obj, gNativeInstanceFieldID);
v->getMatrix((SkMatrix*)native_matrix);
@@ -79,6 +91,8 @@
{ "rotateX", "(F)V", (void*)Camera_rotateX },
{ "rotateY", "(F)V", (void*)Camera_rotateY },
{ "rotateZ", "(F)V", (void*)Camera_rotateZ },
+ { "rotate", "(FFF)V", (void*)Camera_rotate },
+ { "setLocation", "(FFF)V", (void*)Camera_setLocation },
{ "nativeGetMatrix", "(I)V", (void*)Camera_getMatrix },
{ "nativeApplyToCanvas", "(I)V", (void*)Camera_applyToCanvas },
{ "dotWithNormal", "(FFF)F", (void*)Camera_dotWithNormal }
diff --git a/graphics/java/android/graphics/Camera.java b/graphics/java/android/graphics/Camera.java
index 530655f..7ef35a9 100644
--- a/graphics/java/android/graphics/Camera.java
+++ b/graphics/java/android/graphics/Camera.java
@@ -16,24 +16,115 @@
package android.graphics;
-
+/**
+ * A camera instance can be used to compute 3D transformations and
+ * generate a matrix that can be applied, for instance, on a
+ * {@link Canvas}.
+ */
public class Camera {
-
+ /**
+ * Creates a new camera, with empty transformations.
+ */
public Camera() {
nativeConstructor();
}
+ /**
+ * Saves the camera state. Each save should be balanced
+ * with a call to {@link #restore()}.
+ *
+ * @see #save()
+ */
public native void save();
+
+ /**
+ * Restores the saved state, if any.
+ *
+ * @see #restore()
+ */
public native void restore();
+ /**
+ * Applies a translation transform on all three axis.
+ *
+ * @param x The distance to translate by on the X axis
+ * @param y The distance to translate by on the Y axis
+ * @param z The distance to translate by on the Z axis
+ */
public native void translate(float x, float y, float z);
+
+ /**
+ * Applies a rotation transform around the X axis.
+ *
+ * @param deg The angle of rotation around the X axis, in degrees
+ *
+ * @see #rotateY(float)
+ * @see #rotateZ(float)
+ * @see #rotate(float, float, float)
+ */
public native void rotateX(float deg);
+
+ /**
+ * Applies a rotation transform around the Y axis.
+ *
+ * @param deg The angle of rotation around the Y axis, in degrees
+ *
+ * @see #rotateX(float)
+ * @see #rotateZ(float)
+ * @see #rotate(float, float, float)
+ */
public native void rotateY(float deg);
+
+ /**
+ * Applies a rotation transform around the Z axis.
+ *
+ * @param deg The angle of rotation around the Z axis, in degrees
+ *
+ * @see #rotateX(float)
+ * @see #rotateY(float)
+ * @see #rotate(float, float, float)
+ */
public native void rotateZ(float deg);
+ /**
+ * Applies a rotation transform around all three axis.
+ *
+ * @param x The angle of rotation around the X axis, in degrees
+ * @param y The angle of rotation around the Y axis, in degrees
+ * @param z The angle of rotation around the Z axis, in degrees
+ *
+ * @see #rotateX(float)
+ * @see #rotateY(float)
+ * @see #rotateZ(float)
+ */
+ public native void rotate(float x, float y, float z);
+
+ /**
+ * Sets the location of the camera. The default location is set at
+ * 0, 0, -8.
+ *
+ * @param x The x location of the camera
+ * @param y The y location of the camera
+ * @param z The z location of the camera
+ */
+ public native void setLocation(float x, float y, float z);
+
+ /**
+ * Computes the matrix corresponding to the current transformation
+ * and copies it to the supplied matrix object.
+ *
+ * @param matrix The matrix to copy the current transforms into
+ */
public void getMatrix(Matrix matrix) {
nativeGetMatrix(matrix.native_instance);
}
+
+ /**
+ * Computes the matrix corresponding to the current transformation
+ * and applies it to the specified Canvas.
+ *
+ * @param canvas The Canvas to set the transform matrix onto
+ */
public void applyToCanvas(Canvas canvas) {
nativeApplyToCanvas(canvas.mNativeCanvas);
}
@@ -41,7 +132,11 @@
public native float dotWithNormal(float dx, float dy, float dz);
protected void finalize() throws Throwable {
- nativeDestructor();
+ try {
+ nativeDestructor();
+ } finally {
+ super.finalize();
+ }
}
private native void nativeConstructor();
@@ -51,4 +146,3 @@
int native_instance;
}
-
diff --git a/tests/HwAccelerationTest/AndroidManifest.xml b/tests/HwAccelerationTest/AndroidManifest.xml
index ae7ec45..e82f9aa 100644
--- a/tests/HwAccelerationTest/AndroidManifest.xml
+++ b/tests/HwAccelerationTest/AndroidManifest.xml
@@ -397,6 +397,16 @@
</activity>
<activity
+ android:name="Animated3dActivity"
+ android:label="_Animated 3d"
+ android:theme="@android:style/Theme.Translucent.NoTitleBar">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+
+ <activity
android:name="SimplePathsActivity"
android:label="_SimplePaths">
<intent-filter>
diff --git a/tests/HwAccelerationTest/res/drawable-nodpi/large_photo.jpg b/tests/HwAccelerationTest/res/drawable-nodpi/large_photo.jpg
new file mode 100644
index 0000000..e23dbb0
--- /dev/null
+++ b/tests/HwAccelerationTest/res/drawable-nodpi/large_photo.jpg
Binary files differ
diff --git a/tests/HwAccelerationTest/src/com/android/test/hwui/Animated3dActivity.java b/tests/HwAccelerationTest/src/com/android/test/hwui/Animated3dActivity.java
new file mode 100644
index 0000000..f632c83
--- /dev/null
+++ b/tests/HwAccelerationTest/src/com/android/test/hwui/Animated3dActivity.java
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2010 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.test.hwui;
+
+import android.animation.ObjectAnimator;
+import android.app.Activity;
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Camera;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.FrameLayout;
+import android.widget.ImageView;
+
+@SuppressWarnings({"UnusedDeclaration"})
+public class Animated3dActivity extends Activity {
+ @Override
+ protected void onCreate(Bundle savedInstanceState) {
+ super.onCreate(savedInstanceState);
+
+ ImageView view = new ImageView(this);
+ view.setImageResource(R.drawable.large_photo);
+
+ setContentView(view, new FrameLayout.LayoutParams(
+ FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.MATCH_PARENT
+ ));
+
+ ObjectAnimator animator = ObjectAnimator.ofFloat(view, "rotationY", 0.0f, 360.0f);
+ animator.setDuration(4000);
+ animator.setRepeatCount(ObjectAnimator.INFINITE);
+ animator.setRepeatMode(ObjectAnimator.REVERSE);
+ animator.start();
+ }
+}
