a818713c5e
JNI methods should use JNI types for their return types so as to ensure type compatibility between Java and C++. Bug: 152250228 Test: N/A Change-Id: Iae05806b91ebe5f173607d243d8504ec9e938589
119 lines
4.6 KiB
C++
119 lines
4.6 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "GraphicsJNI.h"
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#include <PathParser.h>
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#include <SkPath.h>
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#include <utils/VectorDrawableUtils.h>
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#include <android/log.h>
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namespace android {
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using namespace uirenderer;
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static void parseStringForPath(JNIEnv* env, jobject, jlong skPathHandle, jstring inputPathStr,
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jint strLength) {
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const char* pathString = env->GetStringUTFChars(inputPathStr, NULL);
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SkPath* skPath = reinterpret_cast<SkPath*>(skPathHandle);
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PathParser::ParseResult result;
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PathParser::parseAsciiStringForSkPath(skPath, &result, pathString, strLength);
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env->ReleaseStringUTFChars(inputPathStr, pathString);
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if (result.failureOccurred) {
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doThrowIAE(env, result.failureMessage.c_str());
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}
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}
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static jlong createEmptyPathData(JNIEnv*, jobject) {
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PathData* pathData = new PathData();
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return reinterpret_cast<jlong>(pathData);
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}
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static jlong createPathData(JNIEnv*, jobject, jlong pathDataPtr) {
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PathData* pathData = reinterpret_cast<PathData*>(pathDataPtr);
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PathData* newPathData = new PathData(*pathData);
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return reinterpret_cast<jlong>(newPathData);
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}
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static jlong createPathDataFromStringPath(JNIEnv* env, jobject, jstring inputStr, jint strLength) {
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const char* pathString = env->GetStringUTFChars(inputStr, NULL);
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PathData* pathData = new PathData();
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PathParser::ParseResult result;
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PathParser::getPathDataFromAsciiString(pathData, &result, pathString, strLength);
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env->ReleaseStringUTFChars(inputStr, pathString);
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if (!result.failureOccurred) {
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return reinterpret_cast<jlong>(pathData);
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} else {
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delete pathData;
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doThrowIAE(env, result.failureMessage.c_str());
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return NULL;
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}
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}
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static jboolean interpolatePathData(JNIEnv*, jobject, jlong outPathDataPtr, jlong fromPathDataPtr,
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jlong toPathDataPtr, jfloat fraction) {
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PathData* outPathData = reinterpret_cast<PathData*>(outPathDataPtr);
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PathData* fromPathData = reinterpret_cast<PathData*>(fromPathDataPtr);
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PathData* toPathData = reinterpret_cast<PathData*>(toPathDataPtr);
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return VectorDrawableUtils::interpolatePathData(outPathData, *fromPathData,
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*toPathData, fraction);
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}
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static void deletePathData(JNIEnv*, jobject, jlong pathDataHandle) {
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PathData* pathData = reinterpret_cast<PathData*>(pathDataHandle);
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delete pathData;
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}
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static jboolean canMorphPathData(JNIEnv*, jobject, jlong fromPathDataPtr, jlong toPathDataPtr) {
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PathData* fromPathData = reinterpret_cast<PathData*>(fromPathDataPtr);
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PathData* toPathData = reinterpret_cast<PathData*>(toPathDataPtr);
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return VectorDrawableUtils::canMorph(*fromPathData, *toPathData);
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}
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static void setPathData(JNIEnv*, jobject, jlong outPathDataPtr, jlong fromPathDataPtr) {
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PathData* fromPathData = reinterpret_cast<PathData*>(fromPathDataPtr);
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PathData* outPathData = reinterpret_cast<PathData*>(outPathDataPtr);
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*outPathData = *fromPathData;
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}
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static void setSkPathFromPathData(JNIEnv*, jobject, jlong outPathPtr, jlong pathDataPtr) {
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PathData* pathData = reinterpret_cast<PathData*>(pathDataPtr);
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SkPath* skPath = reinterpret_cast<SkPath*>(outPathPtr);
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VectorDrawableUtils::verbsToPath(skPath, *pathData);
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}
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static const JNINativeMethod gMethods[] = {
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{"nParseStringForPath", "(JLjava/lang/String;I)V", (void*)parseStringForPath},
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{"nCreatePathDataFromString", "(Ljava/lang/String;I)J", (void*)createPathDataFromStringPath},
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// ---------------- @FastNative -----------------
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{"nCreateEmptyPathData", "()J", (void*)createEmptyPathData},
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{"nCreatePathData", "(J)J", (void*)createPathData},
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{"nInterpolatePathData", "(JJJF)Z", (void*)interpolatePathData},
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{"nFinalize", "(J)V", (void*)deletePathData},
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{"nCanMorph", "(JJ)Z", (void*)canMorphPathData},
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{"nSetPathData", "(JJ)V", (void*)setPathData},
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{"nCreatePathFromPathData", "(JJ)V", (void*)setSkPathFromPathData},
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};
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int register_android_util_PathParser(JNIEnv* env) {
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return RegisterMethodsOrDie(env, "android/util/PathParser", gMethods, NELEM(gMethods));
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}
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};
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