1 /*
2 * Copyright (C) 2014 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 #define LOG_TAG "OpenGLRenderer"
18
19 #include <Interpolator.h>
20 #include <cutils/log.h>
21
22 #include "graphics_jni_helpers.h"
23
24 namespace android {
25
26 using namespace uirenderer;
27
createAccelerateDecelerateInterpolator(JNIEnv * env,jobject clazz)28 static jlong createAccelerateDecelerateInterpolator(JNIEnv* env, jobject clazz) {
29 return reinterpret_cast<jlong>(new AccelerateDecelerateInterpolator());
30 }
31
createAccelerateInterpolator(JNIEnv * env,jobject clazz,jfloat factor)32 static jlong createAccelerateInterpolator(JNIEnv* env, jobject clazz, jfloat factor) {
33 return reinterpret_cast<jlong>(new AccelerateInterpolator(factor));
34 }
35
createAnticipateInterpolator(JNIEnv * env,jobject clazz,jfloat tension)36 static jlong createAnticipateInterpolator(JNIEnv* env, jobject clazz, jfloat tension) {
37 return reinterpret_cast<jlong>(new AnticipateInterpolator(tension));
38 }
39
createAnticipateOvershootInterpolator(JNIEnv * env,jobject clazz,jfloat tension)40 static jlong createAnticipateOvershootInterpolator(JNIEnv* env, jobject clazz, jfloat tension) {
41 return reinterpret_cast<jlong>(new AnticipateOvershootInterpolator(tension));
42 }
43
createBounceInterpolator(JNIEnv * env,jobject clazz)44 static jlong createBounceInterpolator(JNIEnv* env, jobject clazz) {
45 return reinterpret_cast<jlong>(new BounceInterpolator());
46 }
47
createCycleInterpolator(JNIEnv * env,jobject clazz,jfloat cycles)48 static jlong createCycleInterpolator(JNIEnv* env, jobject clazz, jfloat cycles) {
49 return reinterpret_cast<jlong>(new CycleInterpolator(cycles));
50 }
51
createDecelerateInterpolator(JNIEnv * env,jobject clazz,jfloat factor)52 static jlong createDecelerateInterpolator(JNIEnv* env, jobject clazz, jfloat factor) {
53 return reinterpret_cast<jlong>(new DecelerateInterpolator(factor));
54 }
55
createLinearInterpolator(JNIEnv * env,jobject clazz)56 static jlong createLinearInterpolator(JNIEnv* env, jobject clazz) {
57 return reinterpret_cast<jlong>(new LinearInterpolator());
58 }
59
createOvershootInterpolator(JNIEnv * env,jobject clazz,jfloat tension)60 static jlong createOvershootInterpolator(JNIEnv* env, jobject clazz, jfloat tension) {
61 return reinterpret_cast<jlong>(new OvershootInterpolator(tension));
62 }
63
createPathInterpolator(JNIEnv * env,jobject clazz,jfloatArray jX,jfloatArray jY)64 static jlong createPathInterpolator(JNIEnv* env, jobject clazz, jfloatArray jX, jfloatArray jY) {
65 jsize lenX = env->GetArrayLength(jX);
66 jsize lenY = env->GetArrayLength(jY);
67 LOG_ALWAYS_FATAL_IF(lenX != lenY || lenX <= 0, "Invalid path interpolator, x size: %d,"
68 " y size: %d", lenX, lenY);
69 std::vector<float> x(lenX);
70 std::vector<float> y(lenY);
71 env->GetFloatArrayRegion(jX, 0, lenX, x.data());
72 env->GetFloatArrayRegion(jY, 0, lenX, y.data());
73
74 return reinterpret_cast<jlong>(new PathInterpolator(std::move(x), std::move(y)));
75 }
76
createLutInterpolator(JNIEnv * env,jobject clazz,jfloatArray jlut)77 static jlong createLutInterpolator(JNIEnv* env, jobject clazz, jfloatArray jlut) {
78 jsize len = env->GetArrayLength(jlut);
79 if (len <= 0) {
80 return 0;
81 }
82 float* lut = new float[len];
83 env->GetFloatArrayRegion(jlut, 0, len, lut);
84 return reinterpret_cast<jlong>(new LUTInterpolator(lut, len));
85 }
86
87 // ----------------------------------------------------------------------------
88 // JNI Glue
89 // ----------------------------------------------------------------------------
90
91 const char* const kClassPathName = "android/graphics/animation/NativeInterpolatorFactory";
92
93 static const JNINativeMethod gMethods[] = {
94 { "createAccelerateDecelerateInterpolator", "()J", (void*) createAccelerateDecelerateInterpolator },
95 { "createAccelerateInterpolator", "(F)J", (void*) createAccelerateInterpolator },
96 { "createAnticipateInterpolator", "(F)J", (void*) createAnticipateInterpolator },
97 { "createAnticipateOvershootInterpolator", "(F)J", (void*) createAnticipateOvershootInterpolator },
98 { "createBounceInterpolator", "()J", (void*) createBounceInterpolator },
99 { "createCycleInterpolator", "(F)J", (void*) createCycleInterpolator },
100 { "createDecelerateInterpolator", "(F)J", (void*) createDecelerateInterpolator },
101 { "createLinearInterpolator", "()J", (void*) createLinearInterpolator },
102 { "createOvershootInterpolator", "(F)J", (void*) createOvershootInterpolator },
103 { "createPathInterpolator", "([F[F)J", (void*) createPathInterpolator },
104 { "createLutInterpolator", "([F)J", (void*) createLutInterpolator },
105 };
106
register_android_graphics_animation_NativeInterpolatorFactory(JNIEnv * env)107 int register_android_graphics_animation_NativeInterpolatorFactory(JNIEnv* env) {
108 return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
109 }
110
111
112 } // namespace android
113