Xfermode.cpp revision 36bef0bf30d6bae48cf3837df351075ca4fce654
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, jlong objHandle) 30 { 31 SkXfermode* obj = reinterpret_cast<SkXfermode *>(objHandle); 32 SkSafeUnref(obj); 33 } 34 35 static jlong avoid_create(JNIEnv* env, jobject, jint opColor, 36 jint tolerance, jint modeHandle) 37 { 38 SkAvoidXfermode::Mode mode = static_cast<SkAvoidXfermode::Mode>(modeHandle); 39 return reinterpret_cast<jlong>(new SkAvoidXfermode(opColor, tolerance, mode)); 40 } 41 42 static jlong pixelxor_create(JNIEnv* env, jobject, jint opColor) 43 { 44 return reinterpret_cast<jlong>(new SkPixelXorXfermode(opColor)); 45 } 46}; 47 48/////////////////////////////////////////////////////////////////////////////// 49 50static JNINativeMethod gXfermodeMethods[] = { 51 {"finalizer", "(J)V", (void*) SkXfermodeGlue::finalizer} 52}; 53 54static JNINativeMethod gAvoidMethods[] = { 55 {"nativeCreate", "(III)J", (void*) SkXfermodeGlue::avoid_create} 56}; 57 58static JNINativeMethod gPixelXorMethods[] = { 59 {"nativeCreate", "(I)J", (void*) SkXfermodeGlue::pixelxor_create} 60}; 61 62#include <android_runtime/AndroidRuntime.h> 63 64#define REG(env, name, array) \ 65 result = android::AndroidRuntime::registerNativeMethods(env, name, array, \ 66 SK_ARRAY_COUNT(array)); \ 67 if (result < 0) return result 68 69int register_android_graphics_Xfermode(JNIEnv* env) { 70 int result; 71 72 REG(env, "android/graphics/Xfermode", gXfermodeMethods); 73 REG(env, "android/graphics/AvoidXfermode", gAvoidMethods); 74 REG(env, "android/graphics/PixelXorXfermode", gPixelXorMethods); 75 76 return 0; 77} 78 79} 80