Home | History | Annotate | Download | only in graphics 
      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 "core_jni_helpers.h"
     20 
     21 #include "AvoidXfermode.h"
     22 #include "SkPixelXorXfermode.h"
     23 
     24 namespace android {
     25 
     26 class SkXfermodeGlue {
     27 public:
     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         AvoidXfermode::Mode mode = static_cast<AvoidXfermode::Mode>(modeHandle);
     39         return reinterpret_cast<jlong>(AvoidXfermode::Create(opColor, tolerance, mode));
     40     }
     41 
     42     static jlong pixelxor_create(JNIEnv* env, jobject, jint opColor)
     43     {
     44         return reinterpret_cast<jlong>(SkPixelXorXfermode::Create(opColor));
     45     }
     46 };
     47 
     48 ///////////////////////////////////////////////////////////////////////////////
     49 
     50 static JNINativeMethod gXfermodeMethods[] = {
     51     {"finalizer", "(J)V", (void*) SkXfermodeGlue::finalizer}
     52 };
     53 
     54 static JNINativeMethod gAvoidMethods[] = {
     55     {"nativeCreate", "(III)J", (void*) SkXfermodeGlue::avoid_create}
     56 };
     57 
     58 static JNINativeMethod gPixelXorMethods[] = {
     59     {"nativeCreate", "(I)J", (void*) SkXfermodeGlue::pixelxor_create}
     60 };
     61 
     62 int register_android_graphics_Xfermode(JNIEnv* env) {
     63     android::RegisterMethodsOrDie(env, "android/graphics/Xfermode", gXfermodeMethods,
     64                                   NELEM(gXfermodeMethods));
     65     android::RegisterMethodsOrDie(env, "android/graphics/Xfermode", gXfermodeMethods,
     66                                   NELEM(gXfermodeMethods));
     67     android::RegisterMethodsOrDie(env, "android/graphics/AvoidXfermode", gAvoidMethods,
     68                                   NELEM(gAvoidMethods));
     69     android::RegisterMethodsOrDie(env, "android/graphics/PixelXorXfermode", gPixelXorMethods,
     70                                   NELEM(gPixelXorMethods));
     71 
     72     return 0;
     73 }
     74 
     75 }
     76