| /* 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 <android_runtime/AndroidRuntime.h> |
| |
| #include "SkColorFilter.h" |
| #include "SkColorMatrixFilter.h" |
| #include "SkPorterDuff.h" |
| |
| #include <SkiaColorFilter.h> |
| #include <Caches.h> |
| |
| namespace android { |
| |
| using namespace uirenderer; |
| |
| class SkColorFilterGlue { |
| public: |
| static void finalizer(JNIEnv* env, jobject clazz, SkColorFilter* obj, SkiaColorFilter* f) { |
| if (obj) SkSafeUnref(obj); |
| // f == NULL when not !USE_OPENGL_RENDERER, so no need to delete outside the ifdef |
| #ifdef USE_OPENGL_RENDERER |
| if (f && android::uirenderer::Caches::hasInstance()) { |
| android::uirenderer::Caches::getInstance().resourceCache.destructor(f); |
| } else { |
| delete f; |
| } |
| #endif |
| } |
| |
| static SkiaColorFilter* glCreatePorterDuffFilter(JNIEnv* env, jobject, SkColorFilter *skFilter, |
| jint srcColor, SkPorterDuff::Mode mode) { |
| #ifdef USE_OPENGL_RENDERER |
| return new SkiaBlendFilter(skFilter, srcColor, SkPorterDuff::ToXfermodeMode(mode)); |
| #else |
| return NULL; |
| #endif |
| } |
| |
| static SkiaColorFilter* glCreateLightingFilter(JNIEnv* env, jobject, SkColorFilter *skFilter, |
| jint mul, jint add) { |
| #ifdef USE_OPENGL_RENDERER |
| return new SkiaLightingFilter(skFilter, mul, add); |
| #else |
| return NULL; |
| #endif |
| } |
| |
| static SkiaColorFilter* glCreateColorMatrixFilter(JNIEnv* env, jobject, SkColorFilter *skFilter, |
| jfloatArray jarray) { |
| #ifdef USE_OPENGL_RENDERER |
| AutoJavaFloatArray autoArray(env, jarray, 20); |
| const float* src = autoArray.ptr(); |
| |
| float* colorMatrix = new float[16]; |
| memcpy(colorMatrix, src, 4 * sizeof(float)); |
| memcpy(&colorMatrix[4], &src[5], 4 * sizeof(float)); |
| memcpy(&colorMatrix[8], &src[10], 4 * sizeof(float)); |
| memcpy(&colorMatrix[12], &src[15], 4 * sizeof(float)); |
| |
| float* colorVector = new float[4]; |
| colorVector[0] = src[4]; |
| colorVector[1] = src[9]; |
| colorVector[2] = src[14]; |
| colorVector[3] = src[19]; |
| |
| return new SkiaColorMatrixFilter(skFilter, colorMatrix, colorVector); |
| #else |
| return NULL; |
| #endif |
| } |
| |
| static SkColorFilter* CreatePorterDuffFilter(JNIEnv* env, jobject, jint srcColor, |
| SkPorterDuff::Mode mode) { |
| return SkColorFilter::CreateModeFilter(srcColor, SkPorterDuff::ToXfermodeMode(mode)); |
| } |
| |
| static SkColorFilter* CreateLightingFilter(JNIEnv* env, jobject, jint mul, jint add) { |
| return SkColorFilter::CreateLightingFilter(mul, add); |
| } |
| |
| static SkColorFilter* CreateColorMatrixFilter(JNIEnv* env, jobject, jfloatArray jarray) { |
| AutoJavaFloatArray autoArray(env, jarray, 20); |
| const float* src = autoArray.ptr(); |
| |
| #ifdef SK_SCALAR_IS_FIXED |
| SkFixed array[20]; |
| for (int i = 0; i < 20; i++) { |
| array[i] = SkFloatToScalar(src[i]); |
| } |
| return new SkColorMatrixFilter(array); |
| #else |
| return new SkColorMatrixFilter(src); |
| #endif |
| } |
| }; |
| |
| static JNINativeMethod colorfilter_methods[] = { |
| {"destroyFilter", "(II)V", (void*) SkColorFilterGlue::finalizer} |
| }; |
| |
| static JNINativeMethod porterduff_methods[] = { |
| { "native_CreatePorterDuffFilter", "(II)I", (void*) SkColorFilterGlue::CreatePorterDuffFilter }, |
| { "nCreatePorterDuffFilter", "(III)I", (void*) SkColorFilterGlue::glCreatePorterDuffFilter } |
| }; |
| |
| static JNINativeMethod lighting_methods[] = { |
| { "native_CreateLightingFilter", "(II)I", (void*) SkColorFilterGlue::CreateLightingFilter }, |
| { "nCreateLightingFilter", "(III)I", (void*) SkColorFilterGlue::glCreateLightingFilter }, |
| }; |
| |
| static JNINativeMethod colormatrix_methods[] = { |
| { "nativeColorMatrixFilter", "([F)I", (void*) SkColorFilterGlue::CreateColorMatrixFilter }, |
| { "nColorMatrixFilter", "(I[F)I", (void*) SkColorFilterGlue::glCreateColorMatrixFilter } |
| }; |
| |
| #define REG(env, name, array) \ |
| result = android::AndroidRuntime::registerNativeMethods(env, name, array, \ |
| SK_ARRAY_COUNT(array)); \ |
| if (result < 0) return result |
| |
| int register_android_graphics_ColorFilter(JNIEnv* env) { |
| int result; |
| |
| REG(env, "android/graphics/ColorFilter", colorfilter_methods); |
| REG(env, "android/graphics/PorterDuffColorFilter", porterduff_methods); |
| REG(env, "android/graphics/LightingColorFilter", lighting_methods); |
| REG(env, "android/graphics/ColorMatrixColorFilter", colormatrix_methods); |
| |
| return 0; |
| } |
| |
| } |