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/*
* Copyright (C) 2020 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 "Bitmap.h"
#include "GraphicsJNI.h"
#include "SkImageFilter.h"
#include "SkImageFilters.h"
#include "graphics_jni_helpers.h"
#include "utils/Blur.h"
#include <utils/Log.h>
using namespace android::uirenderer;
static jlong createOffsetEffect(
JNIEnv* env,
jobject,
jfloat offsetX,
jfloat offsetY,
jlong inputFilterHandle
) {
auto* inputFilter = reinterpret_cast<const SkImageFilter*>(inputFilterHandle);
sk_sp<SkImageFilter> offset = SkImageFilters::Offset(offsetX, offsetY, sk_ref_sp(inputFilter));
return reinterpret_cast<jlong>(offset.release());
}
static jlong createBlurEffect(JNIEnv* env , jobject, jfloat radiusX,
jfloat radiusY, jlong inputFilterHandle, jint edgeTreatment) {
auto* inputImageFilter = reinterpret_cast<SkImageFilter*>(inputFilterHandle);
sk_sp<SkImageFilter> blurFilter =
SkImageFilters::Blur(
Blur::convertRadiusToSigma(radiusX),
Blur::convertRadiusToSigma(radiusY),
static_cast<SkTileMode>(edgeTreatment),
sk_ref_sp(inputImageFilter),
nullptr);
return reinterpret_cast<jlong>(blurFilter.release());
}
static jlong createBitmapEffect(
JNIEnv* env,
jobject,
jlong bitmapHandle,
jfloat srcLeft,
jfloat srcTop,
jfloat srcRight,
jfloat srcBottom,
jfloat dstLeft,
jfloat dstTop,
jfloat dstRight,
jfloat dstBottom
) {
sk_sp<SkImage> image = android::bitmap::toBitmap(bitmapHandle).makeImage();
SkRect srcRect = SkRect::MakeLTRB(srcLeft, srcTop, srcRight, srcBottom);
SkRect dstRect = SkRect::MakeLTRB(dstLeft, dstTop, dstRight, dstBottom);
sk_sp<SkImageFilter> bitmapFilter = SkImageFilters::Image(
image, srcRect, dstRect, SkSamplingOptions(SkFilterMode::kLinear));
return reinterpret_cast<jlong>(bitmapFilter.release());
}
static jlong createColorFilterEffect(
JNIEnv* env,
jobject,
jlong colorFilterHandle,
jlong inputFilterHandle
) {
auto* colorFilter = reinterpret_cast<const SkColorFilter*>(colorFilterHandle);
auto* inputFilter = reinterpret_cast<const SkImageFilter*>(inputFilterHandle);
sk_sp<SkImageFilter> colorFilterImageFilter = SkImageFilters::ColorFilter(
sk_ref_sp(colorFilter), sk_ref_sp(inputFilter), nullptr);
return reinterpret_cast<jlong>(colorFilterImageFilter.release());
}
static jlong createBlendModeEffect(
JNIEnv* env,
jobject,
jlong backgroundImageFilterHandle,
jlong foregroundImageFilterHandle,
jint blendmodeHandle
) {
auto* backgroundFilter = reinterpret_cast<const SkImageFilter*>(backgroundImageFilterHandle);
auto* foregroundFilter = reinterpret_cast<const SkImageFilter*>(foregroundImageFilterHandle);
SkBlendMode blendMode = static_cast<SkBlendMode>(blendmodeHandle);
sk_sp<SkImageFilter> xfermodeFilter = SkImageFilters::Blend(
blendMode,
sk_ref_sp(backgroundFilter),
sk_ref_sp(foregroundFilter)
);
return reinterpret_cast<jlong>(xfermodeFilter.release());
}
static jlong createChainEffect(
JNIEnv* env,
jobject,
jlong outerFilterHandle,
jlong innerFilterHandle
) {
auto* outerImageFilter = reinterpret_cast<const SkImageFilter*>(outerFilterHandle);
auto* innerImageFilter = reinterpret_cast<const SkImageFilter*>(innerFilterHandle);
sk_sp<SkImageFilter> composeFilter = SkImageFilters::Compose(
sk_ref_sp(outerImageFilter),
sk_ref_sp(innerImageFilter)
);
return reinterpret_cast<jlong>(composeFilter.release());
}
static jlong createShaderEffect(
JNIEnv* env,
jobject,
jlong shaderHandle
) {
auto* shader = reinterpret_cast<const SkShader*>(shaderHandle);
sk_sp<SkImageFilter> shaderFilter = SkImageFilters::Shader(
sk_ref_sp(shader), nullptr
);
return reinterpret_cast<jlong>(shaderFilter.release());
}
static void RenderEffect_safeUnref(SkImageFilter* filter) {
SkSafeUnref(filter);
}
static jlong getRenderEffectFinalizer(JNIEnv*, jobject) {
return static_cast<jlong>(reinterpret_cast<uintptr_t>(&RenderEffect_safeUnref));
}
static const JNINativeMethod gRenderEffectMethods[] = {
{"nativeGetFinalizer", "()J", (void*)getRenderEffectFinalizer},
{"nativeCreateOffsetEffect", "(FFJ)J", (void*)createOffsetEffect},
{"nativeCreateBlurEffect", "(FFJI)J", (void*)createBlurEffect},
{"nativeCreateBitmapEffect", "(JFFFFFFFF)J", (void*)createBitmapEffect},
{"nativeCreateColorFilterEffect", "(JJ)J", (void*)createColorFilterEffect},
{"nativeCreateBlendModeEffect", "(JJI)J", (void*)createBlendModeEffect},
{"nativeCreateChainEffect", "(JJ)J", (void*)createChainEffect},
{"nativeCreateShaderEffect", "(J)J", (void*)createShaderEffect}
};
int register_android_graphics_RenderEffect(JNIEnv* env) {
android::RegisterMethodsOrDie(env, "android/graphics/RenderEffect",
gRenderEffectMethods, NELEM(gRenderEffectMethods));
return 0;
}
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