1 files changed, 118 insertions, 0 deletions
diff --git a/libs/hwui/jni/android_util_PathParser.cpp b/libs/hwui/jni/android_util_PathParser.cpp
new file mode 100644
index 000000000000..df5e9cd44ed0
--- /dev/null
+++ b/libs/hwui/jni/android_util_PathParser.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2015 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 "GraphicsJNI.h"
+
+#include <PathParser.h>
+#include <SkPath.h>
+#include <utils/VectorDrawableUtils.h>
+
+#include <android/log.h>
+
+namespace android {
+
+using namespace uirenderer;
+
+static void parseStringForPath(JNIEnv* env, jobject, jlong skPathHandle, jstring inputPathStr,
+        jint strLength) {
+    const char* pathString = env->GetStringUTFChars(inputPathStr, NULL);
+    SkPath* skPath = reinterpret_cast<SkPath*>(skPathHandle);
+
+    PathParser::ParseResult result;
+    PathParser::parseAsciiStringForSkPath(skPath, &result, pathString, strLength);
+    env->ReleaseStringUTFChars(inputPathStr, pathString);
+    if (result.failureOccurred) {
+        doThrowIAE(env, result.failureMessage.c_str());
+    }
+}
+
+static long createEmptyPathData(JNIEnv*, jobject) {
+    PathData* pathData = new PathData();
+    return reinterpret_cast<jlong>(pathData);
+}
+
+static long createPathData(JNIEnv*, jobject, jlong pathDataPtr) {
+    PathData* pathData = reinterpret_cast<PathData*>(pathDataPtr);
+    PathData* newPathData = new PathData(*pathData);
+    return reinterpret_cast<jlong>(newPathData);
+}
+
+static long createPathDataFromStringPath(JNIEnv* env, jobject, jstring inputStr, jint strLength) {
+    const char* pathString = env->GetStringUTFChars(inputStr, NULL);
+    PathData* pathData = new PathData();
+    PathParser::ParseResult result;
+    PathParser::getPathDataFromAsciiString(pathData, &result, pathString, strLength);
+    env->ReleaseStringUTFChars(inputStr, pathString);
+    if (!result.failureOccurred) {
+        return reinterpret_cast<jlong>(pathData);
+    } else {
+        delete pathData;
+        doThrowIAE(env, result.failureMessage.c_str());
+        return NULL;
+    }
+}
+
+static bool interpolatePathData(JNIEnv*, jobject, jlong outPathDataPtr, jlong fromPathDataPtr,
+        jlong toPathDataPtr, jfloat fraction) {
+    PathData* outPathData = reinterpret_cast<PathData*>(outPathDataPtr);
+    PathData* fromPathData = reinterpret_cast<PathData*>(fromPathDataPtr);
+    PathData* toPathData = reinterpret_cast<PathData*>(toPathDataPtr);
+    return VectorDrawableUtils::interpolatePathData(outPathData, *fromPathData,
+            *toPathData, fraction);
+}
+
+static void deletePathData(JNIEnv*, jobject, jlong pathDataHandle) {
+    PathData* pathData = reinterpret_cast<PathData*>(pathDataHandle);
+    delete pathData;
+}
+
+static bool canMorphPathData(JNIEnv*, jobject, jlong fromPathDataPtr, jlong toPathDataPtr) {
+    PathData* fromPathData = reinterpret_cast<PathData*>(fromPathDataPtr);
+    PathData* toPathData = reinterpret_cast<PathData*>(toPathDataPtr);
+    return VectorDrawableUtils::canMorph(*fromPathData, *toPathData);
+}
+
+static void setPathData(JNIEnv*, jobject, jlong outPathDataPtr, jlong fromPathDataPtr) {
+    PathData* fromPathData = reinterpret_cast<PathData*>(fromPathDataPtr);
+    PathData* outPathData = reinterpret_cast<PathData*>(outPathDataPtr);
+    *outPathData = *fromPathData;
+}
+
+static void setSkPathFromPathData(JNIEnv*, jobject, jlong outPathPtr, jlong pathDataPtr) {
+    PathData* pathData = reinterpret_cast<PathData*>(pathDataPtr);
+    SkPath* skPath = reinterpret_cast<SkPath*>(outPathPtr);
+    VectorDrawableUtils::verbsToPath(skPath, *pathData);
+}
+
+static const JNINativeMethod gMethods[] = {
+    {"nParseStringForPath", "(JLjava/lang/String;I)V", (void*)parseStringForPath},
+    {"nCreatePathDataFromString", "(Ljava/lang/String;I)J", (void*)createPathDataFromStringPath},
+
+    // ---------------- @FastNative -----------------
+
+    {"nCreateEmptyPathData", "()J", (void*)createEmptyPathData},
+    {"nCreatePathData", "(J)J", (void*)createPathData},
+    {"nInterpolatePathData", "(JJJF)Z", (void*)interpolatePathData},
+    {"nFinalize", "(J)V", (void*)deletePathData},
+    {"nCanMorph", "(JJ)Z", (void*)canMorphPathData},
+    {"nSetPathData", "(JJ)V", (void*)setPathData},
+    {"nCreatePathFromPathData", "(JJ)V", (void*)setSkPathFromPathData},
+};
+
+int register_android_util_PathParser(JNIEnv* env) {
+    return RegisterMethodsOrDie(env, "android/util/PathParser", gMethods, NELEM(gMethods));
+}
+};