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MapLibreParticleLab/test/api/annotations.test.cpp
Bart Louwers 550f64be22 core: rename mbgl namespace to mln (#4487) 
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2026-08-14 23:25:20 +02:00

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#include <algorithm>
#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/test/map_adapter.hpp>
#include <mbgl/annotation/annotation.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/style/image.hpp>
#include <mbgl/map/map_options.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/util/color.hpp>
#include <mbgl/renderer/renderer.hpp>
#include <mbgl/gfx/headless_frontend.hpp>
#include <algorithm>
using namespace mln;
namespace {
PremultipliedImage namedImage(const std::string& name) {
return decodeImage(util::read_file("test/fixtures/sprites/" + name + ".png"));
}
std::unique_ptr<style::Image> namedMarker(const std::string& name) {
return std::make_unique<style::Image>(name, namedImage(name), 1.0f);
}
class AnnotationTest {
public:
util::RunLoop loop;
HeadlessFrontend frontend{1};
MapAdapter map{frontend,
MapObserver::nullObserver(),
std::make_shared<StubFileSource>(),
MapOptions().withMapMode(MapMode::Static).withSize(frontend.getSize())};
void checkRendering(const char* name) {
#if WIN32
test::checkImage(std::string("test/fixtures/annotations/") + name, frontend.render(map).image, 0.015, 0.1);
#else
test::checkImage(std::string("test/fixtures/annotations/") + name, frontend.render(map).image, 0.0002, 0.1);
#endif
}
};
} // end namespace
TEST(Annotations, SymbolAnnotation) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotation(SymbolAnnotation{Point<double>(0, 0), "default_marker"});
test.checkRendering("point_annotation");
// auto size = test.frontend.getSize();
// auto screenBox = ScreenBox { {}, { double(size.width),
// double(size.height) } }; for (uint8_t zoom = test.map.getMinZoom();
// zoom <= test.map.getMaxZoom(); ++zoom) {
// test.map.jumpTo(CameraOptions().withZoom(zoom));
// test.checkRendering("point_annotation");
// EXPECT_EQ(test.map.queryPointAnnotations(screenBox).size(), 1u);
// }
}
TEST(Annotations, SymbolAnnotationTileBoundary) {
// Almost exactly the same as SymbolAnnotation test above, but offset my
// fractions of a degree tests precision issue from
// https://github.com/mapbox/mapbox-gl-native/issues/12472
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotation(SymbolAnnotation{Point<double>(0.000000000000001, 0.00000000000001), "default_marker"});
test.map.jumpTo(CameraOptions().withZoom(10));
test.checkRendering("point_annotation");
}
TEST(Annotations, LineAnnotation) {
AnnotationTest test;
LineString<double> line = {{{0, 0}, {45, 45}, {30, 0}}};
LineAnnotation annotation{line};
annotation.color = Color::red();
annotation.width = {5};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotation(annotation);
test.checkRendering("line_annotation");
test.map.jumpTo(CameraOptions().withZoom(*test.map.getBounds().maxZoom));
test.checkRendering("line_annotation_max_zoom");
}
TEST(Annotations, FillAnnotation) {
AnnotationTest test;
Polygon<double> polygon = {{{{0, 0}, {0, 45}, {45, 45}, {45, 0}}}};
FillAnnotation annotation{polygon};
annotation.color = Color::red();
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotation(annotation);
test.checkRendering("fill_annotation");
test.map.jumpTo(CameraOptions().withZoom(*test.map.getBounds().maxZoom));
test.checkRendering("fill_annotation_max_zoom");
}
TEST(Annotations, AntimeridianAnnotationSmall) {
AnnotationTest test;
double antimeridian = 180;
test.map.jumpTo(CameraOptions().withCenter(LatLng{0, antimeridian}).withZoom(0.0));
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
LineString<double> line = {{{antimeridian, 20}, {antimeridian, -20}}};
LineAnnotation lineAnnotation{line};
lineAnnotation.color = Color::red();
lineAnnotation.width = {2};
test.map.addAnnotation(lineAnnotation);
Polygon<double> polygon = {{{{antimeridian + 10, 0}, {antimeridian - 10, 10}, {antimeridian - 10, -10}}}};
FillAnnotation polygonAnnotation{polygon};
polygonAnnotation.color = Color::blue();
test.map.addAnnotation(polygonAnnotation);
test.checkRendering("antimeridian_annotation_small");
}
TEST(Annotations, AntimeridianAnnotationLarge) {
AnnotationTest test;
double antimeridian = 180;
test.map.jumpTo(CameraOptions().withCenter(mln::LatLng(0.0, antimeridian)).withZoom(0.0));
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
LineString<double> line = {{{antimeridian, 20}, {antimeridian, -20}}};
LineAnnotation lineAnnotation{line};
lineAnnotation.color = Color::red();
lineAnnotation.width = {2};
test.map.addAnnotation(lineAnnotation);
Polygon<double> polygon = {{{{antimeridian - 10, 0}, {-antimeridian + 10, 10}, {-antimeridian + 10, -10}}}};
FillAnnotation polygonAnnotation{polygon};
polygonAnnotation.color = Color::blue();
test.map.addAnnotation(polygonAnnotation);
test.checkRendering("antimeridian_annotation_large");
}
TEST(Annotations, OverlappingFillAnnotation) {
AnnotationTest test;
Polygon<double> polygon = {{{{0, 0}, {0, 45}, {45, 45}, {45, 0}}}};
FillAnnotation underlaidAnnotation{polygon};
underlaidAnnotation.color = Color::green();
FillAnnotation overlaidAnnotation{polygon};
overlaidAnnotation.color = Color::red();
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotation(underlaidAnnotation);
test.map.addAnnotation(overlaidAnnotation);
test.checkRendering("overlapping_fill_annotation");
}
TEST(Annotations, AddMultiple) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotation(SymbolAnnotation{Point<double>{-10, 0}, "default_marker"});
test.frontend.render(test.map);
test.map.addAnnotation(SymbolAnnotation{Point<double>{10, 0}, "default_marker"});
test.checkRendering("add_multiple");
}
TEST(Annotations, NonImmediateAdd) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.frontend.render(test.map);
Polygon<double> polygon = {{{{0, 0}, {0, 45}, {45, 45}, {45, 0}}}};
FillAnnotation annotation{polygon};
annotation.color = Color::red();
test.map.addAnnotation(annotation);
test.checkRendering("non_immediate_add");
}
TEST(Annotations, UpdateSymbolAnnotationGeometry) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotationImage(namedMarker("flipped_marker"));
AnnotationID point = test.map.addAnnotation(SymbolAnnotation{Point<double>{0, 0}, "default_marker"});
test.frontend.render(test.map);
test.map.updateAnnotation(point, SymbolAnnotation{Point<double>{-10, 0}, "default_marker"});
test.checkRendering("update_point");
}
TEST(Annotations, UpdateSymbolAnnotationIcon) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotationImage(namedMarker("flipped_marker"));
AnnotationID point = test.map.addAnnotation(SymbolAnnotation{Point<double>{0, 0}, "default_marker"});
test.frontend.render(test.map);
test.map.updateAnnotation(point, SymbolAnnotation{Point<double>{0, 0}, "flipped_marker"});
test.checkRendering("update_icon");
}
TEST(Annotations, UpdateLineAnnotationGeometry) {
AnnotationTest test;
LineAnnotation annotation{LineString<double>{{{0, 0}, {45, 45}, {30, 0}}}};
annotation.color = Color::red();
annotation.width = {5};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
AnnotationID line = test.map.addAnnotation(annotation);
test.frontend.render(test.map);
annotation.geometry = LineString<double>{{{0, 0}, {-45, -45}}};
test.map.updateAnnotation(line, annotation);
test.checkRendering("update_line_geometry");
}
TEST(Annotations, UpdateLineAnnotationStyle) {
AnnotationTest test;
LineAnnotation annotation{LineString<double>{{{0, 0}, {45, 45}, {30, 0}}}};
annotation.color = Color::red();
annotation.width = {5};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
AnnotationID line = test.map.addAnnotation(annotation);
test.frontend.render(test.map);
annotation.color = Color::green();
annotation.width = {2};
test.map.updateAnnotation(line, annotation);
test.checkRendering("update_line_style");
}
TEST(Annotations, UpdateFillAnnotationGeometry) {
AnnotationTest test;
FillAnnotation annotation{Polygon<double>{{{{0, 0}, {0, 45}, {45, 45}, {45, 0}}}}};
annotation.color = Color::red();
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
AnnotationID fill = test.map.addAnnotation(annotation);
test.frontend.render(test.map);
annotation.geometry = Polygon<double>{{{{0, 0}, {0, 45}, {45, 0}}}};
test.map.updateAnnotation(fill, annotation);
test.checkRendering("update_fill_geometry");
}
TEST(Annotations, UpdateFillAnnotationStyle) {
AnnotationTest test;
Polygon<double> polygon = {{{{0, 0}, {0, 45}, {45, 45}, {45, 0}}}};
FillAnnotation annotation{polygon};
annotation.color = Color::red();
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
AnnotationID fill = test.map.addAnnotation(annotation);
test.frontend.render(test.map);
annotation.color = Color::green();
test.map.updateAnnotation(fill, annotation);
test.checkRendering("update_fill_style");
}
TEST(Annotations, RemovePoint) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
AnnotationID point = test.map.addAnnotation(SymbolAnnotation{Point<double>{0, 0}, "default_marker"});
test.frontend.render(test.map);
test.map.removeAnnotation(point);
test.checkRendering("remove_point");
}
TEST(Annotations, RemoveShape) {
AnnotationTest test;
LineString<double> line = {{{0, 0}, {45, 45}}};
LineAnnotation annotation{line};
annotation.color = Color::red();
annotation.width = {5};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
AnnotationID shape = test.map.addAnnotation(annotation);
test.frontend.render(test.map);
test.map.removeAnnotation(shape);
test.checkRendering("remove_shape");
}
TEST(Annotations, ImmediateRemoveShape) {
AnnotationTest test;
test.map.removeAnnotation(test.map.addAnnotation(LineAnnotation{LineString<double>()}));
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.frontend.render(test.map);
}
TEST(Annotations, SwitchStyle) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotation(SymbolAnnotation{Point<double>{0, 0}, "default_marker"});
test.frontend.render(test.map);
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.checkRendering("switch_style");
}
TEST(Annotations, ReaddImage) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotation(SymbolAnnotation{Point<double>{0, 0}, "default_marker"});
test.frontend.render(test.map);
test.map.addAnnotationImage(std::make_unique<style::Image>("default_marker", namedImage("flipped_marker"), 1.0f));
test.checkRendering("readd_image");
}
TEST(Annotations, QueryRenderedFeatures) {
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotation(SymbolAnnotation{Point<double>{0, 0}, "default_marker"});
test.map.addAnnotation(SymbolAnnotation{Point<double>{0, 50}, "default_marker"});
test.frontend.render(test.map);
// Batch conversion of latLngs to pixels
auto points = test.map.pixelsForLatLngs({{0, 0}, {50, 0}});
ASSERT_EQ(2, points.size());
// Single conversion of latLng to pixel
auto point0 = test.map.pixelForLatLng({0, 0});
ASSERT_NEAR(points[0].x, point0.x, 1e-8);
ASSERT_NEAR(points[0].y, point0.y, 1e-8);
auto point1 = test.map.pixelForLatLng({50, 0});
ASSERT_NEAR(points[1].x, point1.x, 1e-8);
ASSERT_NEAR(points[1].y, point1.y, 1e-8);
auto features = test.frontend.getRenderer()->queryRenderedFeatures(point0);
ASSERT_EQ(features.size(), 1u);
EXPECT_EQ(features[0].id.is<NullValue>(), false);
EXPECT_EQ(features[0].id, uint64_t(0));
auto features2 = test.frontend.getRenderer()->queryRenderedFeatures(point1);
ASSERT_EQ(features2.size(), 1u);
EXPECT_EQ(features[0].id.is<NullValue>(), false);
EXPECT_EQ(features2[0].id, uint64_t(1));
}
TEST(Annotations, QueryFractionalZoomLevels) {
AnnotationTest test;
auto viewSize = test.frontend.getSize();
auto box = ScreenBox{{}, {double(viewSize.width), double(viewSize.height)}};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
std::vector<mln::AnnotationID> ids;
for (int longitude = 0; longitude < 10; longitude += 2) {
for (int latitude = 0; latitude < 10; latitude += 2) {
ids.push_back(
test.map.addAnnotation(SymbolAnnotation{{double(latitude), double(longitude)}, "default_marker"}));
}
}
test.map.jumpTo(CameraOptions().withCenter(mln::LatLng(5.0, 5.0)).withZoom(0.0));
for (uint16_t zoomSteps = 10; zoomSteps <= 20; ++zoomSteps) {
test.map.jumpTo(CameraOptions().withZoom(zoomSteps / 10.0));
test.frontend.render(test.map);
auto features = test.frontend.getRenderer()->queryRenderedFeatures(box);
// Filter out repeated features.
// See 'edge-cases/null-island' query-test for reference.
auto sortID = [](const Feature& lhs, const Feature& rhs) {
return lhs.id < rhs.id;
};
auto sameID = [](const Feature& lhs, const Feature& rhs) {
return lhs.id == rhs.id;
};
std::ranges::sort(features, sortID);
features.erase(std::unique(features.begin(), features.end(), sameID),
features.end()); // NOLINT(modernize-use-ranges)
EXPECT_EQ(features.size(), ids.size());
}
}
TEST(Annotations, VisibleFeatures) {
AnnotationTest test;
auto viewSize = test.frontend.getSize();
auto box = ScreenBox{{}, {double(viewSize.width), double(viewSize.height)}};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.jumpTo(CameraOptions().withCenter(mln::LatLng(5.0, 5.0)).withZoom(3.0));
std::vector<mln::AnnotationID> ids;
for (int longitude = 0; longitude < 10; longitude += 2) {
for (int latitude = 0; latitude <= 10; latitude += 2) {
ids.push_back(
test.map.addAnnotation(SymbolAnnotation{{double(latitude), double(longitude)}, "default_marker"}));
}
}
// Change bearing *after* adding annotations causes them to be reordered.
test.map.jumpTo(CameraOptions().withBearing(45.0));
test.frontend.render(test.map);
auto features = test.frontend.getRenderer()->queryRenderedFeatures(box, {});
auto sortID = [](const Feature& lhs, const Feature& rhs) {
return lhs.id < rhs.id;
};
auto sameID = [](const Feature& lhs, const Feature& rhs) {
return lhs.id == rhs.id;
};
std::ranges::sort(features, sortID);
features.erase(std::unique(features.begin(), features.end(), sameID),
features.end()); // NOLINT(modernize-use-ranges)
EXPECT_EQ(features.size(), ids.size());
test.map.jumpTo(CameraOptions().withZoom(4.0).withBearing(0.0));
test.frontend.render(test.map);
features = test.frontend.getRenderer()->queryRenderedFeatures(box);
std::ranges::sort(features, sortID);
features.erase(std::unique(features.begin(), features.end(), sameID),
features.end()); // NOLINT(modernize-use-ranges)
EXPECT_EQ(features.size(), ids.size());
}
TEST(Annotations, ViewFrustumCulling) {
// The purpose of the test is to control that annotations outside screen
// rectangle are not rendered for different camera setup, especially when
// using edge insets - viewport center is then offsetted.
// Important premise of this test is "static const float viewportPadding =
// 100;" as defined in collision_index.cpp: tests using edge insets are
// written so that padding is 128 (half of viewSize width). If increasing
// viewportPadding, increase the padding in test cases below.
AnnotationTest test;
auto viewSize = test.frontend.getSize();
auto box = ScreenBox{{}, {double(viewSize.width), double(viewSize.height)}};
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationImage(namedMarker("default_marker"));
const LatLng center = {5.0, 5.0};
test.map.jumpTo(CameraOptions().withCenter(center).withZoom(3.0));
// Batch conversion of pixels to latLngs
const std::vector<LatLng> batchLatLngs = test.map.latLngsForPixels(
{ScreenCoordinate(0, 0),
ScreenCoordinate(viewSize.width, viewSize.height),
ScreenCoordinate(viewSize.width, 0),
ScreenCoordinate(0, viewSize.height)});
ASSERT_EQ(4, batchLatLngs.size());
// Single conversion of pixel to latLng
LatLng tl = test.map.latLngForPixel(ScreenCoordinate(0, 0));
ASSERT_NEAR(batchLatLngs[0].latitude(), tl.latitude(), 1e-8);
ASSERT_NEAR(batchLatLngs[0].longitude(), tl.longitude(), 1e-8);
LatLng br = test.map.latLngForPixel(ScreenCoordinate(viewSize.width, viewSize.height));
ASSERT_NEAR(batchLatLngs[1].latitude(), br.latitude(), 1e-8);
ASSERT_NEAR(batchLatLngs[1].longitude(), br.longitude(), 1e-8);
LatLng bl = test.map.latLngForPixel(ScreenCoordinate(viewSize.width, 0));
ASSERT_NEAR(batchLatLngs[2].latitude(), bl.latitude(), 1e-8);
ASSERT_NEAR(batchLatLngs[2].longitude(), bl.longitude(), 1e-8);
LatLng tr = test.map.latLngForPixel(ScreenCoordinate(0, viewSize.height));
ASSERT_NEAR(batchLatLngs[3].latitude(), tr.latitude(), 1e-8);
ASSERT_NEAR(batchLatLngs[3].longitude(), tr.longitude(), 1e-8);
std::vector<LatLng> latLngs = {tl, bl, tr, br, center};
std::vector<mln::AnnotationID> ids;
for (auto latLng : latLngs) {
ids.push_back(
test.map.addAnnotation(SymbolAnnotation{{latLng.longitude(), latLng.latitude()}, "default_marker"}));
}
std::vector<std::pair<CameraOptions, std::vector<uint64_t>>> expectedVisibleForCamera = {
// Start with all markers visible.
{CameraOptions(), {0, 1, 2, 3, 4}},
// Move center to topLeft: only former center and top left (now center) are visible.
{CameraOptions().withCenter(tl), {0, 4}},
// Reset center. With pitch: only top row markers and center are visible.
{CameraOptions().withCenter(center).withPitch(45), {0, 1, 4}},
// Reset pitch, and use padding to move viewport center: only topleft and center are visible.
{CameraOptions().withPitch(0).withPadding(EdgeInsets{viewSize.height * 0.5, viewSize.width * 0.5, 0, 0}),
{0, 4}},
// Use opposite padding to move viewport center: only bottom right and center are visible.
{CameraOptions().withPitch(0).withPadding(EdgeInsets{0, 0, viewSize.height * 0.5, viewSize.width * 0.5}),
{3, 4}},
// Use top padding to move viewport center: top row and center are visible.
{CameraOptions().withPitch(0).withPadding(EdgeInsets{viewSize.height * 0.5, 0, 0, 0}), {0, 1, 4}},
// Use bottom padding: only bottom right and center are visible.
{CameraOptions().withPitch(0).withPadding(EdgeInsets{0, 0, viewSize.height * 0.5, 0}), {2, 3, 4}},
// Left padding and pitch: top left, bottom left and center are visible.
{CameraOptions().withPitch(45).withPadding(EdgeInsets{0, viewSize.width * 0.5, 0, 0}), {0, 2, 4}}};
for (unsigned i = 0; i < expectedVisibleForCamera.size(); i++) {
auto testCase = expectedVisibleForCamera[i];
test.map.jumpTo(testCase.first);
test.frontend.render(test.map);
auto features = test.frontend.getRenderer()->queryRenderedFeatures(box, {});
for (uint64_t id : testCase.second) { // testCase.second is vector of ids expected.
EXPECT_NE(std::ranges::find_if(features,
[&id](auto feature) { return id == feature.id.template get<uint64_t>(); }),
features.end())
<< "Point with id " << id << " is missing in test case " << i;
EXPECT_EQ(features.size(), testCase.second.size()) << " in test case " << i;
}
}
}
TEST(Annotations, TopOffsetPixels) {
AnnotationTest test;
test.map.addAnnotationImage(namedMarker("default_marker"));
EXPECT_EQ(test.map.getTopOffsetPixelsForAnnotationImage("default_marker"), -28);
}
TEST(Annotations, DebugEmpty) {
// This test should render nothing, not even the tile borders. Tile borders
// are only rendered when there is an actual tile we're trying to render,
// but since there is no annotation, we should not render them.
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.setDebug(MapDebugOptions::TileBorders);
test.map.jumpTo(CameraOptions().withZoom(1.0));
test.checkRendering("debug_empty");
}
TEST(Annotations, DebugSparse) {
if (gfx::Backend::GetType() != gfx::Backend::Type::OpenGL) {
return;
}
// This test should only render the top right tile with the associated tile
// border, but no other tiles because they're all empty.
AnnotationTest test;
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.setDebug(MapDebugOptions::TileBorders);
test.map.jumpTo(CameraOptions().withZoom(1.0));
test.map.addAnnotationImage(namedMarker("default_marker"));
test.map.addAnnotation(SymbolAnnotation{Point<double>(10, 10), "default_marker"});
test.checkRendering("debug_sparse");
}
TEST(Annotations, ChangeMaxZoom) {
AnnotationTest test;
LineString<double> line = {{{0, 0}, {45, 45}, {30, 0}}};
LineAnnotation annotation{line};
annotation.color = Color::red();
annotation.width = {5};
test.map.setBounds(BoundOptions().withMaxZoom(6));
test.map.getStyle().loadJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotation(annotation);
test.map.setBounds(BoundOptions().withMaxZoom(14));
test.map.jumpTo(CameraOptions().withZoom(*test.map.getBounds().maxZoom));
test.checkRendering("line_annotation_max_zoom");
}
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