| #include "jni.h" |
| #include <android_runtime/AndroidRuntime.h> |
| |
| #include "GraphicsJNI.h" |
| #include "SkInterpolator.h" |
| #include "SkTemplates.h" |
| |
| static SkInterpolator* Interpolator_constructor(JNIEnv* env, jobject clazz, int valueCount, int frameCount) |
| { |
| return new SkInterpolator(valueCount, frameCount); |
| } |
| |
| static void Interpolator_destructor(JNIEnv* env, jobject clazz, SkInterpolator* interp) |
| { |
| delete interp; |
| } |
| |
| static void Interpolator_reset(JNIEnv* env, jobject clazz, SkInterpolator* interp, int valueCount, int frameCount) |
| { |
| interp->reset(valueCount, frameCount); |
| } |
| |
| static void Interpolator_setKeyFrame(JNIEnv* env, jobject clazz, SkInterpolator* interp, int index, int msec, jfloatArray valueArray, jfloatArray blendArray) |
| { |
| SkScalar blendStorage[4]; |
| SkScalar* blend = NULL; |
| |
| AutoJavaFloatArray autoValues(env, valueArray); |
| float* values = autoValues.ptr(); |
| int i, n = autoValues.length(); |
| |
| SkAutoSTMalloc<16, SkScalar> storage(n); |
| SkScalar* scalars = storage.get(); |
| |
| for (i = 0; i < n; i++) |
| scalars[i] = SkFloatToScalar(values[i]); |
| |
| if (blendArray != NULL) { |
| AutoJavaFloatArray autoBlend(env, blendArray, 4); |
| values = autoBlend.ptr(); |
| for (i = 0; i < 4; i++) |
| blendStorage[i] = SkFloatToScalar(values[i]); |
| blend = blendStorage; |
| } |
| |
| interp->setKeyFrame(index, msec, scalars, blend); |
| } |
| |
| static void Interpolator_setRepeatMirror(JNIEnv* env, jobject clazz, SkInterpolator* interp, float repeatCount, jboolean mirror) |
| { |
| if (repeatCount > 32000) |
| repeatCount = 32000; |
| |
| interp->setRepeatCount(SkFloatToScalar(repeatCount)); |
| interp->setMirror(mirror != 0); |
| } |
| |
| static int Interpolator_timeToValues(JNIEnv* env, jobject clazz, SkInterpolator* interp, int msec, jfloatArray valueArray) |
| { |
| SkInterpolatorBase::Result result; |
| |
| float* values = valueArray ? env->GetFloatArrayElements(valueArray, NULL) : NULL; |
| result = interp->timeToValues(msec, (SkScalar*)values); |
| |
| if (valueArray) { |
| int n = env->GetArrayLength(valueArray); |
| for (int i = 0; i < n; i++) { |
| values[i] = SkScalarToFloat(*(SkScalar*)&values[i]); |
| } |
| env->ReleaseFloatArrayElements(valueArray, values, 0); |
| } |
| |
| return result; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| /* |
| * JNI registration. |
| */ |
| static JNINativeMethod gInterpolatorMethods[] = { |
| { "nativeConstructor", "(II)I", (void*)Interpolator_constructor }, |
| { "nativeDestructor", "(I)V", (void*)Interpolator_destructor }, |
| { "nativeReset", "(III)V", (void*)Interpolator_reset }, |
| { "nativeSetKeyFrame", "(III[F[F)V", (void*)Interpolator_setKeyFrame }, |
| { "nativeSetRepeatMirror", "(IFZ)V", (void*)Interpolator_setRepeatMirror }, |
| { "nativeTimeToValues", "(II[F)I", (void*)Interpolator_timeToValues } |
| }; |
| |
| int register_android_graphics_Interpolator(JNIEnv* env) |
| { |
| return android::AndroidRuntime::registerNativeMethods(env, |
| "android/graphics/Interpolator", |
| gInterpolatorMethods, |
| SK_ARRAY_COUNT(gInterpolatorMethods)); |
| } |