Xfermode.cpp revision 6062c5912dc79704b489fc8c289b78a400ed05ee 
1/*
2 * Copyright (C) 2007 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#include "jni.h"
18#include "GraphicsJNI.h"
19#include <android_runtime/AndroidRuntime.h>
20
21#include "SkAvoidXfermode.h"
22#include "SkPixelXorXfermode.h"
23
24namespace android {
25
26class SkXfermodeGlue {
27public:
28
29    static void finalizer(JNIEnv* env, jobject, SkXfermode* obj)
30    {
31        SkSafeUnref(obj);
32    }
33
34    static SkXfermode* avoid_create(JNIEnv* env, jobject, SkColor opColor,
35                                U8CPU tolerance, SkAvoidXfermode::Mode mode)
36    {
37        return new SkAvoidXfermode(opColor, tolerance, mode);
38    }
39
40    static SkXfermode* pixelxor_create(JNIEnv* env, jobject, SkColor opColor)
41    {
42        return new SkPixelXorXfermode(opColor);
43    }
44};
45
46///////////////////////////////////////////////////////////////////////////////
47
48static JNINativeMethod gXfermodeMethods[] = {
49    {"finalizer", "(I)V", (void*) SkXfermodeGlue::finalizer}
50};
51
52static JNINativeMethod gAvoidMethods[] = {
53    {"nativeCreate", "(III)I", (void*) SkXfermodeGlue::avoid_create}
54};
55
56static JNINativeMethod gPixelXorMethods[] = {
57    {"nativeCreate", "(I)I", (void*) SkXfermodeGlue::pixelxor_create}
58};
59
60#include <android_runtime/AndroidRuntime.h>
61
62#define REG(env, name, array)                                              \
63    result = android::AndroidRuntime::registerNativeMethods(env, name, array, \
64                                                  SK_ARRAY_COUNT(array));  \
65    if (result < 0) return result
66
67int register_android_graphics_Xfermode(JNIEnv* env) {
68    int result;
69
70    REG(env, "android/graphics/Xfermode", gXfermodeMethods);
71    REG(env, "android/graphics/AvoidXfermode", gAvoidMethods);
72    REG(env, "android/graphics/PixelXorXfermode", gPixelXorMethods);
73
74    return 0;
75}
76
77}
78