1 files changed, 46 insertions, 0 deletions
diff --git a/tests/Camera2Tests/SmartCamera/SimpleCamera/jni/histogram.h b/tests/Camera2Tests/SmartCamera/SimpleCamera/jni/histogram.h
new file mode 100644
index 0000000..b5e88aa
--- /dev/null
+++ b/tests/Camera2Tests/SmartCamera/SimpleCamera/jni/histogram.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// Native function to extract histogram from image (handed down as ByteBuffer).
+
+#ifndef ANDROID_FILTERFW_JNI_HISTOGRAM_H
+#define ANDROID_FILTERFW_JNI_HISTOGRAM_H
+
+#include <jni.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+JNIEXPORT void JNICALL
+Java_androidx_media_filterpacks_histogram_GrayHistogramFilter_extractHistogram(
+    JNIEnv* env, jclass clazz, jobject imageBuffer, jobject maskBuffer, jobject histogramBuffer );
+
+JNIEXPORT void JNICALL
+Java_androidx_media_filterpacks_histogram_ChromaHistogramFilter_extractChromaHistogram(
+    JNIEnv* env, jclass clazz, jobject imageBuffer, jobject histogramBuffer, jint hBins, jint sBins);
+
+JNIEXPORT void JNICALL
+Java_androidx_media_filterpacks_histogram_NewChromaHistogramFilter_extractChromaHistogram(
+    JNIEnv* env, jclass clazz, jobject imageBuffer, jobject histogramBuffer,
+    jint hueBins, jint saturationBins, jint valueBins,
+    jint saturationThreshold, jint valueThreshold);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // ANDROID_FILTERFW_JNI_HISTOGRAM_H