| /* |
| * 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.graphics.cts; |
| |
| import android.graphics.Camera; |
| import android.graphics.Canvas; |
| import android.graphics.Matrix; |
| import android.test.AndroidTestCase; |
| |
| public class CameraTest extends AndroidTestCase { |
| private Camera mCamera; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| mCamera = new Camera(); |
| } |
| |
| public void testCamera(){ |
| new Camera(); |
| } |
| |
| public void testRestore() { |
| // we cannot get the state changed because it was a native method |
| mCamera.save(); |
| mCamera.restore(); |
| } |
| |
| public void testTranslate() { |
| Matrix m1 = new Matrix(); |
| preCompare(m1); |
| |
| mCamera.translate(10.0f, 28.0f, 2008.0f); |
| Matrix m2 = new Matrix(); |
| mCamera.getMatrix(m2); |
| assertFalse(m1.equals(m2)); |
| |
| float[] f = new float[9]; |
| m2.getValues(f); |
| assertEquals(0.22291021f, f[0]); |
| assertEquals(0.0f, f[1]); |
| assertEquals(2.2291021f, f[2]); |
| assertEquals(0.0f, f[3]); |
| assertEquals(0.22291021f, f[4]); |
| assertEquals(-6.241486f, f[5]); |
| assertEquals(0.0f, f[6]); |
| assertEquals(0.0f, f[7]); |
| assertEquals(1.0f, f[8]); |
| } |
| |
| public void testRotateX() { |
| Matrix m1 = new Matrix(); |
| preCompare(m1); |
| |
| mCamera.rotateX(90.0f); |
| Matrix m2 = new Matrix(); |
| mCamera.getMatrix(m2); |
| assertFalse(m1.equals(m2)); |
| |
| float[] f = new float[9]; |
| m2.getValues(f); |
| assertEquals(1.0f, f[0]); |
| assertEquals(0.0f, f[1]); |
| assertEquals(0.0f, f[2]); |
| assertEquals(0.0f, f[3]); |
| assertEquals(0.0f, f[4]); |
| assertEquals(0.0f, f[5]); |
| assertEquals(0.0f, f[6]); |
| assertEquals(-0.0017361111f, f[7]); |
| assertEquals(1.0f, f[8]); |
| } |
| |
| public void testRotateY() { |
| Matrix m1 = new Matrix(); |
| preCompare(m1); |
| |
| mCamera.rotateY(90.0f); |
| Matrix m2 = new Matrix(); |
| mCamera.getMatrix(m2); |
| assertFalse(m1.equals(m2)); |
| |
| float[] f = new float[9]; |
| m2.getValues(f); |
| assertEquals(0.0f, f[0]); |
| assertEquals(0.0f, f[1]); |
| assertEquals(0.0f, f[2]); |
| assertEquals(0.0f, f[3]); |
| assertEquals(1.0f, f[4]); |
| assertEquals(0.0f, f[5]); |
| assertEquals(0.0017361111f, f[6]); |
| assertEquals(0.0f, f[7]); |
| assertEquals(1.0f, f[8]); |
| } |
| |
| public void testRotateZ() { |
| Matrix m1 = new Matrix(); |
| preCompare(m1); |
| |
| mCamera.rotateZ(90.0f); |
| Matrix m2 = new Matrix(); |
| mCamera.getMatrix(m2); |
| assertFalse(m1.equals(m2)); |
| |
| float[] f = new float[9]; |
| m2.getValues(f); |
| assertEquals(0.0f, f[0]); |
| assertEquals(1.0f, f[1]); |
| assertEquals(0.0f, f[2]); |
| assertEquals(-1.0f, f[3]); |
| assertEquals(0.0f, f[4]); |
| assertEquals(0.0f, f[5]); |
| assertEquals(0.0f, f[6]); |
| assertEquals(0.0f, f[7]); |
| assertEquals(1.0f, f[8]); |
| } |
| |
| public void testApplyToCanvas() { |
| Canvas c1 = new Canvas(); |
| mCamera.applyToCanvas(c1); |
| |
| Canvas c2 = new Canvas(); |
| Matrix m = new Matrix(); |
| mCamera.getMatrix(m); |
| c2.concat(m); |
| |
| assertTrue(c1.getMatrix().equals(c2.getMatrix())); |
| } |
| |
| public void testDotWithNormal() { |
| assertEquals(0.0792f, mCamera.dotWithNormal(0.1f, 0.28f, 0.2008f)); |
| } |
| |
| private void preCompare(Matrix m) { |
| mCamera.getMatrix(m); |
| float[] f = new float[9]; |
| m.getValues(f); |
| assertEquals(1.0f, f[0]); |
| assertEquals(0.0f, f[1]); |
| assertEquals(0.0f, f[2]); |
| assertEquals(0.0f, f[3]); |
| assertEquals(1.0f, f[4]); |
| assertEquals(0.0f, f[5]); |
| assertEquals(0.0f, f[6]); |
| assertEquals(0.0f, f[7]); |
| assertEquals(1.0f, f[8]); |
| } |
| |
| } |