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 "jni.h" 20#include <nativehelper/JNIHelp.h> 21#include <android_runtime/AndroidRuntime.h> 22 23#include <Interpolator.h> 24 25namespace android { 26 27using namespace uirenderer; 28 29#ifdef USE_OPENGL_RENDERER 30 31static jlong createAccelerateDecelerateInterpolator(JNIEnv* env, jobject clazz) { 32 return reinterpret_cast<jlong>(new AccelerateDecelerateInterpolator()); 33} 34 35static jlong createAccelerateInterpolator(JNIEnv* env, jobject clazz, jfloat factor) { 36 return reinterpret_cast<jlong>(new AccelerateInterpolator(factor)); 37} 38 39static jlong createAnticipateInterpolator(JNIEnv* env, jobject clazz, jfloat tension) { 40 return reinterpret_cast<jlong>(new AnticipateInterpolator(tension)); 41} 42 43static jlong createAnticipateOvershootInterpolator(JNIEnv* env, jobject clazz, jfloat tension) { 44 return reinterpret_cast<jlong>(new AnticipateOvershootInterpolator(tension)); 45} 46 47static jlong createBounceInterpolator(JNIEnv* env, jobject clazz) { 48 return reinterpret_cast<jlong>(new BounceInterpolator()); 49} 50 51static jlong createCycleInterpolator(JNIEnv* env, jobject clazz, jfloat cycles) { 52 return reinterpret_cast<jlong>(new CycleInterpolator(cycles)); 53} 54 55static jlong createDecelerateInterpolator(JNIEnv* env, jobject clazz, jfloat factor) { 56 return reinterpret_cast<jlong>(new DecelerateInterpolator(factor)); 57} 58 59static jlong createLinearInterpolator(JNIEnv* env, jobject clazz) { 60 return reinterpret_cast<jlong>(new LinearInterpolator()); 61} 62 63static jlong createOvershootInterpolator(JNIEnv* env, jobject clazz, jfloat tension) { 64 return reinterpret_cast<jlong>(new OvershootInterpolator(tension)); 65} 66 67static jlong createLutInterpolator(JNIEnv* env, jobject clazz, jfloatArray jlut) { 68 jsize len = env->GetArrayLength(jlut); 69 if (len <= 0) { 70 return 0; 71 } 72 float* lut = new float[len]; 73 env->GetFloatArrayRegion(jlut, 0, len, lut); 74 return reinterpret_cast<jlong>(new LUTInterpolator(lut, len)); 75} 76 77#endif 78 79// ---------------------------------------------------------------------------- 80// JNI Glue 81// ---------------------------------------------------------------------------- 82 83const char* const kClassPathName = "com/android/internal/view/animation/NativeInterpolatorFactoryHelper"; 84 85static JNINativeMethod gMethods[] = { 86#ifdef USE_OPENGL_RENDERER 87 { "createAccelerateDecelerateInterpolator", "()J", (void*) createAccelerateDecelerateInterpolator }, 88 { "createAccelerateInterpolator", "(F)J", (void*) createAccelerateInterpolator }, 89 { "createAnticipateInterpolator", "(F)J", (void*) createAnticipateInterpolator }, 90 { "createAnticipateOvershootInterpolator", "(F)J", (void*) createAnticipateOvershootInterpolator }, 91 { "createBounceInterpolator", "()J", (void*) createBounceInterpolator }, 92 { "createCycleInterpolator", "(F)J", (void*) createCycleInterpolator }, 93 { "createDecelerateInterpolator", "(F)J", (void*) createDecelerateInterpolator }, 94 { "createLinearInterpolator", "()J", (void*) createLinearInterpolator }, 95 { "createOvershootInterpolator", "(F)J", (void*) createOvershootInterpolator }, 96 { "createLutInterpolator", "([F)J", (void*) createLutInterpolator }, 97#endif 98}; 99 100int register_com_android_internal_view_animation_NativeInterpolatorFactoryHelper(JNIEnv* env) { 101 return AndroidRuntime::registerNativeMethods(env, kClassPathName, gMethods, NELEM(gMethods)); 102} 103 104 105} // namespace android 106