55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
#include "line_string.hpp"
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#include "point.hpp"
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namespace mbgl {
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namespace android {
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namespace geojson {
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mapbox::geojson::line_string LineString::convert(jni::JNIEnv &env, jni::Object<LineString> jLineString) {
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mapbox::geojson::line_string lineString;
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if (jLineString) {
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auto jPointList = LineString::coordinates(env, jLineString);
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lineString = LineString::convert(env, jPointList);
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jni::DeleteLocalRef(env, jPointList);
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}
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return lineString;
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}
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mapbox::geojson::line_string LineString::convert(jni::JNIEnv &env, jni::Object<java::util::List/*<Point>*/> jPointList) {
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mapbox::geojson::line_string lineString;
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if (jPointList) {
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auto jPointArray = java::util::List::toArray<Point>(env, jPointList);
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auto size = jPointArray.Length(env);
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lineString.reserve(size);
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for (std::size_t i = 0; i < size; i++) {
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auto jPoint = jPointArray.Get(env, i);
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lineString.push_back(Point::convert(env, jPoint));
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jni::DeleteLocalRef(env, jPoint);
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}
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jni::DeleteLocalRef(env, jPointArray);
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}
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return lineString;
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}
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jni::Object<java::util::List> LineString::coordinates(jni::JNIEnv &env, jni::Object<LineString> jLineString) {
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static auto method = LineString::javaClass.GetMethod<jni::Object<java::util::List> ()>(env, "coordinates");
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return jLineString.Call(env, method);
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}
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void LineString::registerNative(jni::JNIEnv &env) {
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// Lookup the class
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javaClass = *jni::Class<LineString>::Find(env).NewGlobalRef(env).release();
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}
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jni::Class<LineString> LineString::javaClass;
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} // namespace geojson
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} // namespace android
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} // namespace mbgl
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