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1 /*
2  * Copyright (C) 2011 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 #define LOG_NDEBUG 0
17 
18 #define LOG_TAG "MeteringJNI"
19 #include <utils/Log.h>
20 #include "com_android_cts_verifier_camera_analyzer_MeteringTest.h"
21 
22 #include <vector>
23 #include <string>
24 #include <string.h>
25 #include <math.h>
26 
27 #include "testingimage.h"
28 #include "meteringtest.h"
29 #include "vec2.h"
30 #include "android/bitmap.h"
31 
Java_com_android_cts_verifier_camera_analyzer_MeteringTest_createMeteringTest(JNIEnv * env,jobject thiz)32 jlong Java_com_android_cts_verifier_camera_analyzer_MeteringTest_createMeteringTest(
33         JNIEnv*      env,
34         jobject      thiz) {
35 
36     MeteringTest* testHandler = new MeteringTest();
37     long handlerAddress = (long)testHandler;
38     return handlerAddress;
39 }
40 
Java_com_android_cts_verifier_camera_analyzer_MeteringTest_createMeteringClass(JNIEnv * env,jobject thiz,jlong inputImageAddress,jlong inputHandlerAddress,jlong checkercenterAddress,jlong checkerradiusAddress)41 void Java_com_android_cts_verifier_camera_analyzer_MeteringTest_createMeteringClass(
42         JNIEnv*      env,
43         jobject      thiz,
44         jlong        inputImageAddress,
45         jlong        inputHandlerAddress,
46         jlong        checkercenterAddress,
47         jlong        checkerradiusAddress){
48 
49     ALOGV("JNI createMeteringClass starts!");
50     long imageAddress = (long)inputImageAddress;
51     long handlerAddress = (long)inputHandlerAddress;
52 
53     TestingImage *image = (TestingImage*) imageAddress;
54     MeteringTest *testHandler = (MeteringTest*) handlerAddress;
55 
56     std::vector<std::vector< Vec2f > >* checkerCenter =
57             (std::vector<std::vector< Vec2f > >*) (long) checkercenterAddress;
58     std::vector<std::vector< float > >* checkerRadius =
59             (std::vector<std::vector< float > >*) (long) checkerradiusAddress;
60     ALOGV("Classes recovered");
61 
62     testHandler->addDataToList(image->getColorChecker(3, 4, 0, 6,
63                                                       checkerCenter,
64                                                       checkerRadius));
65 
66     delete image;
67 }
68 
Java_com_android_cts_verifier_camera_analyzer_MeteringTest_processMeteringTest(JNIEnv * env,jobject thiz,jlong inputHandlerAddress,jbooleanArray tempArray)69 void Java_com_android_cts_verifier_camera_analyzer_MeteringTest_processMeteringTest(
70         JNIEnv*          env,
71         jobject          thiz,
72         jlong            inputHandlerAddress,
73         jbooleanArray    tempArray) {
74 
75     ALOGV("Processing Auto Lock data!");
76 
77     long handlerAddress = (long) inputHandlerAddress;
78     MeteringTest *testHandler = (MeteringTest*) handlerAddress;
79 
80     testHandler->processData();
81 
82     const std::vector<bool>* nativeComparisonResults =
83             testHandler->getComparisonResults();
84     jboolean jComparisonResults[nativeComparisonResults->size()];
85 
86     for (int i = 0; i < nativeComparisonResults->size(); ++i) {
87         jComparisonResults[i] = (jboolean) (*nativeComparisonResults)[i];
88     }
89 
90     env->SetBooleanArrayRegion(tempArray,
91                                0, nativeComparisonResults->size(),
92                                jComparisonResults);
93     testHandler->clearData();
94 }
95 
96 // Find the gray checker borders from the native array of checker center and
97 // radius. Convert the coordinate to the coordinates accepted by Android
98 // Camera.Area type, which defines the top left corner to (-1000, -1000) and
99 // bottom right corner to (1000, 1000).
Java_com_android_cts_verifier_camera_analyzer_MeteringTest_findGreyCoordinates(JNIEnv * env,jobject thiz,jintArray greyCoordinates,jlong checkercenterAddress,jlong checkerradiusAddress)100 void Java_com_android_cts_verifier_camera_analyzer_MeteringTest_findGreyCoordinates(
101         JNIEnv*      env,
102         jobject      thiz,
103         jintArray    greyCoordinates,
104         jlong        checkercenterAddress,
105         jlong        checkerradiusAddress){
106 
107     ALOGV("Start finding grey coordinates");
108 
109     std::vector<std::vector< Vec2f > >* checkerCenter =
110             (std::vector<std::vector< Vec2f > >*) (long) checkercenterAddress;
111     std::vector<std::vector< float > >* checkerRadius =
112             (std::vector<std::vector< float > >*) (long) checkerradiusAddress;
113 
114     ALOGV("Checker recovered!");
115     int nativeGreyCoordinates[24];
116 
117     for (int i = 0; i < 6; ++i) {
118         float radius = sqrt((*checkerRadius)[3][i]);
119         nativeGreyCoordinates[i * 4] = static_cast<int>(
120                 ((*checkerCenter)[3][i].y() - radius)
121                 / 160.0 * 2000.0 - 1000.0);
122         nativeGreyCoordinates[i * 4 + 1] = static_cast<int>(
123                 ((*checkerCenter)[3][i].x() - radius)
124                 / 120.0 * 2000.0 - 1000.0);
125         nativeGreyCoordinates[i * 4 + 2] = static_cast<int>(
126                 ((*checkerCenter)[3][i].y() + radius)
127                 / 160.0 * 2000.0 - 1000.0);
128         nativeGreyCoordinates[i * 4 + 3] = static_cast<int>(
129                 ((*checkerCenter)[3][i].x() + radius)
130                 / 120.0 * 2000.0 - 1000.0);
131 
132         ALOGV("checker is bounded by %f, %f, %f",
133              (*checkerCenter)[3][i].x(), (*checkerCenter)[3][i].y(), radius);
134 
135         ALOGV("Square is bounded by %d, %d, %d, %d",
136              nativeGreyCoordinates[i * 4], nativeGreyCoordinates[i * 4 + 1],
137              nativeGreyCoordinates[i * 4 + 2],
138              nativeGreyCoordinates[i * 4 + 3]);
139     }
140 
141     env->SetIntArrayRegion(greyCoordinates, 0, 24, nativeGreyCoordinates);
142 }
143