The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | #include "GraphicsJNI.h" |
| 2 | #include "SkInterpolator.h" |
Ben Wagner | 60126ef | 2015-08-07 12:13:48 -0400 | [diff] [blame^] | 3 | #include "core_jni_helpers.h" |
| 4 | |
| 5 | #include <jni.h> |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 6 | |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 7 | static jlong Interpolator_constructor(JNIEnv* env, jobject clazz, jint valueCount, jint frameCount) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 8 | { |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 9 | return reinterpret_cast<jlong>(new SkInterpolator(valueCount, frameCount)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 10 | } |
| 11 | |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 12 | static void Interpolator_destructor(JNIEnv* env, jobject clazz, jlong interpHandle) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 13 | { |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 14 | SkInterpolator* interp = reinterpret_cast<SkInterpolator*>(interpHandle); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 15 | delete interp; |
| 16 | } |
| 17 | |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 18 | static void Interpolator_reset(JNIEnv* env, jobject clazz, jlong interpHandle, jint valueCount, jint frameCount) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 19 | { |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 20 | SkInterpolator* interp = reinterpret_cast<SkInterpolator*>(interpHandle); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | interp->reset(valueCount, frameCount); |
| 22 | } |
| 23 | |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 24 | static void Interpolator_setKeyFrame(JNIEnv* env, jobject clazz, jlong interpHandle, jint index, jint msec, jfloatArray valueArray, jfloatArray blendArray) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 25 | { |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 26 | SkInterpolator* interp = reinterpret_cast<SkInterpolator*>(interpHandle); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 27 | |
Leon Scroggins III | 2e0103e | 2014-04-04 17:05:24 -0400 | [diff] [blame] | 28 | AutoJavaFloatArray autoValues(env, valueArray); |
| 29 | AutoJavaFloatArray autoBlend(env, blendArray, 4); |
| 30 | #ifdef SK_SCALAR_IS_FLOAT |
| 31 | SkScalar* scalars = autoValues.ptr(); |
| 32 | SkScalar* blend = autoBlend.ptr(); |
| 33 | #else |
| 34 | #error Need to convert float array to SkScalar array before calling the following function. |
| 35 | #endif |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 36 | |
| 37 | interp->setKeyFrame(index, msec, scalars, blend); |
| 38 | } |
| 39 | |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 40 | static void Interpolator_setRepeatMirror(JNIEnv* env, jobject clazz, jlong interpHandle, jfloat repeatCount, jboolean mirror) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | { |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 42 | SkInterpolator* interp = reinterpret_cast<SkInterpolator*>(interpHandle); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 43 | if (repeatCount > 32000) |
| 44 | repeatCount = 32000; |
| 45 | |
Leon Scroggins III | 2e0103e | 2014-04-04 17:05:24 -0400 | [diff] [blame] | 46 | interp->setRepeatCount(repeatCount); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 47 | interp->setMirror(mirror != 0); |
| 48 | } |
| 49 | |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 50 | static jint Interpolator_timeToValues(JNIEnv* env, jobject clazz, jlong interpHandle, jint msec, jfloatArray valueArray) |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 51 | { |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 52 | SkInterpolator* interp = reinterpret_cast<SkInterpolator*>(interpHandle); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 53 | SkInterpolatorBase::Result result; |
| 54 | |
| 55 | float* values = valueArray ? env->GetFloatArrayElements(valueArray, NULL) : NULL; |
| 56 | result = interp->timeToValues(msec, (SkScalar*)values); |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 57 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 58 | if (valueArray) { |
| 59 | int n = env->GetArrayLength(valueArray); |
| 60 | for (int i = 0; i < n; i++) { |
| 61 | values[i] = SkScalarToFloat(*(SkScalar*)&values[i]); |
| 62 | } |
| 63 | env->ReleaseFloatArrayElements(valueArray, values, 0); |
| 64 | } |
Elliott Hughes | 4cb1753 | 2011-04-12 16:10:26 -0700 | [diff] [blame] | 65 | |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 66 | return static_cast<jint>(result); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | // ---------------------------------------------------------------------------- |
| 70 | |
| 71 | /* |
| 72 | * JNI registration. |
| 73 | */ |
| 74 | static JNINativeMethod gInterpolatorMethods[] = { |
Ashok Bhat | a2f9042 | 2014-01-13 20:45:30 +0000 | [diff] [blame] | 75 | { "nativeConstructor", "(II)J", (void*)Interpolator_constructor }, |
| 76 | { "nativeDestructor", "(J)V", (void*)Interpolator_destructor }, |
| 77 | { "nativeReset", "(JII)V", (void*)Interpolator_reset }, |
| 78 | { "nativeSetKeyFrame", "(JII[F[F)V", (void*)Interpolator_setKeyFrame }, |
| 79 | { "nativeSetRepeatMirror", "(JFZ)V", (void*)Interpolator_setRepeatMirror }, |
| 80 | { "nativeTimeToValues", "(JI[F)I", (void*)Interpolator_timeToValues } |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 81 | }; |
| 82 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 83 | int register_android_graphics_Interpolator(JNIEnv* env) |
| 84 | { |
Andreas Gampe | ed6b9df | 2014-11-20 22:02:20 -0800 | [diff] [blame] | 85 | return android::RegisterMethodsOrDie(env, "android/graphics/Interpolator", |
| 86 | gInterpolatorMethods, NELEM(gInterpolatorMethods)); |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | } |