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-rw-r--r--jni/filters/filters.h46
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+/*
+ * 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.
+ */
+
+#ifndef FILTERS_H
+#define FILTERS_H
+
+#include <jni.h>
+#include <string.h>
+#include <android/log.h>
+#include <android/bitmap.h>
+
+typedef unsigned int Color;
+
+#define SetColor(a, r, g, b) ((a << 24) | (b << 16) | (g << 8) | (r << 0));
+#define GetA(color) (((color) >> 24) & 0xFF)
+#define GetB(color) (((color) >> 16) & 0xFF)
+#define GetG(color) (((color) >> 8) & 0xFF)
+#define GetR(color) (((color) >> 0) & 0xFF)
+
+#define MIN(a, b) (a < b ? a : b)
+#define MAX(a, b) (a > b ? a : b)
+
+#define LOG(msg...) __android_log_print(ANDROID_LOG_VERBOSE, "NativeFilters", msg)
+
+#define JNIFUNCF(cls, name, vars...) Java_com_android_gallery3d_filtershow_filters_ ## cls ## _ ## name(JNIEnv* env, jobject this, vars)
+
+#define RED i
+#define GREEN i+1
+#define BLUE i+2
+#define ALPHA i+3
+#define CLAMP(c) (MAX(0, MIN(255, c)))
+
+#endif // FILTERS_H