| /* libs/android_runtime/android/graphics/ColorFilter.cpp |
| ** |
| ** Copyright 2006, 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. |
| */ |
| |
| #include "jni.h" |
| #include "GraphicsJNI.h" |
| #include "core_jni_helpers.h" |
| |
| #include "SkColorFilter.h" |
| #include "SkColorMatrixFilter.h" |
| |
| namespace android { |
| |
| using namespace uirenderer; |
| |
| class SkColorFilterGlue { |
| public: |
| static void SafeUnref(SkColorFilter* filter) { |
| SkSafeUnref(filter); |
| } |
| |
| static jlong GetNativeFinalizer(JNIEnv*, jobject) { |
| return static_cast<jlong>(reinterpret_cast<uintptr_t>(&SafeUnref)); |
| } |
| |
| static jlong CreateBlendModeFilter(JNIEnv* env, jobject, jint srcColor, jint modeHandle) { |
| SkBlendMode mode = static_cast<SkBlendMode>(modeHandle); |
| return reinterpret_cast<jlong>(SkColorFilters::Blend(srcColor, mode).release()); |
| } |
| |
| static jlong CreateLightingFilter(JNIEnv* env, jobject, jint mul, jint add) { |
| return reinterpret_cast<jlong>(SkColorMatrixFilter::MakeLightingFilter(mul, add).release()); |
| } |
| |
| static jlong CreateColorMatrixFilter(JNIEnv* env, jobject, jfloatArray jarray) { |
| AutoJavaFloatArray autoArray(env, jarray, 20); |
| const float* src = autoArray.ptr(); |
| |
| #ifdef SK_SCALAR_IS_FLOAT |
| return reinterpret_cast<jlong>(SkColorFilters::MatrixRowMajor255(src).release()); |
| #else |
| SkASSERT(false); |
| #endif |
| } |
| }; |
| |
| static const JNINativeMethod colorfilter_methods[] = { |
| {"nativeGetFinalizer", "()J", (void*) SkColorFilterGlue::GetNativeFinalizer } |
| }; |
| |
| static const JNINativeMethod blendmode_methods[] = { |
| { "native_CreateBlendModeFilter", "(II)J", (void*) SkColorFilterGlue::CreateBlendModeFilter }, |
| }; |
| |
| static const JNINativeMethod lighting_methods[] = { |
| { "native_CreateLightingFilter", "(II)J", (void*) SkColorFilterGlue::CreateLightingFilter }, |
| }; |
| |
| static const JNINativeMethod colormatrix_methods[] = { |
| { "nativeColorMatrixFilter", "([F)J", (void*) SkColorFilterGlue::CreateColorMatrixFilter }, |
| }; |
| |
| int register_android_graphics_ColorFilter(JNIEnv* env) { |
| android::RegisterMethodsOrDie(env, "android/graphics/ColorFilter", colorfilter_methods, |
| NELEM(colorfilter_methods)); |
| android::RegisterMethodsOrDie(env, "android/graphics/PorterDuffColorFilter", blendmode_methods, |
| NELEM(blendmode_methods)); |
| android::RegisterMethodsOrDie(env, "android/graphics/BlendModeColorFilter", blendmode_methods, |
| NELEM(blendmode_methods)); |
| android::RegisterMethodsOrDie(env, "android/graphics/LightingColorFilter", lighting_methods, |
| NELEM(lighting_methods)); |
| android::RegisterMethodsOrDie(env, "android/graphics/ColorMatrixColorFilter", |
| colormatrix_methods, NELEM(colormatrix_methods)); |
| |
| return 0; |
| } |
| |
| } |