b71d86599d
* add 1 hole support to polygon-related classes * fix no hole crash and add triangle hole shape example * add support for multiple holes
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
#include "polygon.hpp"
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#include "../conversion/color.hpp"
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namespace mbgl {
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namespace android {
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jni::Class<Polygon> Polygon::javaClass;
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mbgl::FillAnnotation Polygon::toAnnotation(jni::JNIEnv& env, jni::Object<Polygon> polygon) {
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auto points = Polygon::getPoints(env, polygon);
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auto holes = Polygon::getHoles(env, polygon);
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mbgl::Polygon<double> geometry { MultiPoint::toGeometry<mbgl::LinearRing<double>>(env, points) };
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auto jHoleListsArray = java::util::List::toArray<java::util::List>(env, holes);
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std::size_t jHoleListsSize = jHoleListsArray.Length(env);
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for (std::size_t i = 0; i < jHoleListsSize; i++) {
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auto jHoleList = jHoleListsArray.Get(env, i);
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geometry.push_back(MultiPoint::toGeometry<mbgl::LinearRing<double>>(env, jHoleList));
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jni::DeleteLocalRef(env, jHoleList);
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}
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jni::DeleteLocalRef(env, jHoleListsArray);
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mbgl::FillAnnotation annotation { geometry };
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annotation.opacity = { Polygon::getOpacity(env, polygon) };
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annotation.color = { Polygon::getFillColor(env, polygon) };
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annotation.outlineColor = { Polygon::getOutlineColor(env, polygon) };
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jni::DeleteLocalRef(env, points);
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jni::DeleteLocalRef(env, holes);
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return annotation;
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}
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jni::Object<java::util::List> Polygon::getPoints(jni::JNIEnv& env, jni::Object<Polygon> polygon) {
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static auto field = Polygon::javaClass.GetField<jni::Object<java::util::List>>(env, "points");
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return polygon.Get(env, field);
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}
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jni::Object<java::util::List> Polygon::getHoles(jni::JNIEnv& env, jni::Object<Polygon> polygon) {
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static auto field = Polygon::javaClass.GetField<jni::Object<java::util::List>>(env, "holes");
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return polygon.Get(env, field);
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}
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float Polygon::getOpacity(jni::JNIEnv& env, jni::Object<Polygon> polygon) {
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static auto field = Polygon::javaClass.GetField<float>(env, "alpha");
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return polygon.Get(env, field);
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}
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mbgl::Color Polygon::getFillColor(jni::JNIEnv& env, jni::Object<Polygon> polygon) {
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static auto field = Polygon::javaClass.GetField<int>(env, "fillColor");
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return *conversion::convert<mbgl::Color, int>(env, polygon.Get(env, field));
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}
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mbgl::Color Polygon::getOutlineColor(jni::JNIEnv& env, jni::Object<Polygon> polygon) {
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static auto field = Polygon::javaClass.GetField<int>(env, "strokeColor");
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return *conversion::convert<mbgl::Color, int>(env, polygon.Get(env, field));
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}
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void Polygon::registerNative(jni::JNIEnv& env) {
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Polygon::javaClass = *jni::Class<Polygon>::Find(env).NewGlobalRef(env).release();
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}
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} // namespace android
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} // namespace mbgl
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