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MapLibreParticleLab/test/api/annotations.cpp
Jesse Bounds dfd40b27a5 [tests] Add tests for shape overlays crossing the antimeridian 
This adds two tests:

AntimeridianAnnotationSmall: Test that a shape that is represented with
+-180 longitudinal values is drawn spanning the antimeridian. In other
words, it is rendered as a "small" shape as opposed to one that spans
around the world to reach the other side of the antimeridian. This test
is currently failing at the time of this commit.

AntimeridianAnnotationLarge: Test that a shape that is represented with
points that do not cross the +-180 boundary is rendered as a "large"
shape. In other words, it is rendered by wrapping around the world to
reach the other side of the meridian. This test is currently passing at
the time of this commit.
2016-08-19 16:51:01 +03:00

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#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/annotation/annotation.hpp>
#include <mbgl/sprite/sprite_image.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/platform/default/headless_display.hpp>
#include <mbgl/platform/default/headless_view.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/util/color.hpp>
using namespace mbgl;
namespace {
std::shared_ptr<SpriteImage> namedMarker(const std::string &name) {
PremultipliedImage image = decodeImage(util::read_file("test/fixtures/sprites/" + name));
return std::make_shared<SpriteImage>(std::move(image), 1.0);
}
class AnnotationTest {
public:
util::RunLoop loop;
std::shared_ptr<HeadlessDisplay> display { std::make_shared<HeadlessDisplay>() };
HeadlessView view { display, 1 };
StubFileSource fileSource;
Map map { view, fileSource, MapMode::Still };
void checkRendering(const char * name) {
test::checkImage(std::string("test/fixtures/annotations/") + name,
test::render(map), 0.0002, 0.1);
}
};
} // end namespace
TEST(Annotations, SymbolAnnotation) {
AnnotationTest test;
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
test.map.addAnnotation(SymbolAnnotation { Point<double>(0, 0), "default_marker" });
test.checkRendering("point_annotation");
// FIXME: https://github.com/mapbox/mapbox-gl-native/issues/5419
//test.map.setZoom(test.map.getMaxZoom());
//test.checkRendering("point_annotation");
}
TEST(Annotations, LineAnnotation) {
AnnotationTest test;
LineString<double> line = {{ { 0, 0 }, { 45, 45 }, { 30, 0 } }};
LineAnnotation annotation { line };
annotation.color = { { 255, 0, 0, 1 } };
annotation.width = { 5 };
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotation(annotation);
test.checkRendering("line_annotation");
test.map.setZoom(test.map.getMaxZoom());
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 = { { 255, 0, 0, 1 } };
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotation(annotation);
test.checkRendering("fill_annotation");
test.map.setZoom(test.map.getMaxZoom());
test.checkRendering("fill_annotation_max_zoom");
}
TEST(Annotations, AntimeridianAnnotationSmall) {
AnnotationTest test;
double antimeridian = 180;
test.map.setLatLngZoom(mbgl::LatLng(0, antimeridian), 0);
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
LineString<double> line = {{ { antimeridian, 20 }, { antimeridian, -20 } }};
LineAnnotation lineAnnotation { line };
lineAnnotation.color = { { 255, 0, 0, 1 } };
lineAnnotation.width = { 2 };
test.map.addAnnotation(lineAnnotation);
Polygon<double> polygon = {{ {{ { antimeridian+10, 0 }, { antimeridian - 10, 10 }, { antimeridian-10, -10 } }} }};
FillAnnotation polygonAnnotation { polygon };
polygonAnnotation.color = { { 0, 0, 255, 1 } };
test.map.addAnnotation(polygonAnnotation);
test.checkRendering("antimeridian_annotation_small");
}
TEST(Annotations, AntimeridianAnnotationLarge) {
AnnotationTest test;
double antimeridian = 180;
test.map.setLatLngZoom(mbgl::LatLng(0, antimeridian), 0);
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
LineString<double> line = {{ { antimeridian, 20 }, { antimeridian, -20 } }};
LineAnnotation lineAnnotation { line };
lineAnnotation.color = { { 255, 0, 0, 1 } };
lineAnnotation.width = { 2 };
test.map.addAnnotation(lineAnnotation);
Polygon<double> polygon = {{ {{ { antimeridian-10, 0 }, { -antimeridian+10, 10 }, { -antimeridian+10, -10 } }} }};
FillAnnotation polygonAnnotation { polygon };
polygonAnnotation.color = { { 0, 0, 255, 1 } };
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 = { { 0, 255, 0, 1 } };
FillAnnotation overlaidAnnotation { polygon };
overlaidAnnotation.color = { { 255, 0, 0, 1 } };
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotation(underlaidAnnotation);
test.map.addAnnotation(overlaidAnnotation);
test.checkRendering("overlapping_fill_annotation");
}
TEST(Annotations, StyleSourcedShapeAnnotation) {
AnnotationTest test;
Polygon<double> polygon = {{ {{ { 0, 0 }, { 0, 45 }, { 45, 45 }, { 45, 0 } }} }};
test.map.setStyleJSON(util::read_file("test/fixtures/api/annotation.json"));
test.map.addAnnotation(StyleSourcedAnnotation { polygon, "annotation" });
test.checkRendering("style_sourced_shape_annotation");
}
TEST(Annotations, AddMultiple) {
AnnotationTest test;
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
test.map.addAnnotation(SymbolAnnotation { Point<double> { -10, 0 }, "default_marker" });
test::render(test.map);
test.map.addAnnotation(SymbolAnnotation { Point<double> { 10, 0 }, "default_marker" });
test.checkRendering("add_multiple");
}
TEST(Annotations, NonImmediateAdd) {
AnnotationTest test;
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test::render(test.map);
Polygon<double> polygon = {{ {{ { 0, 0 }, { 0, 45 }, { 45, 45 }, { 45, 0 } }} }};
FillAnnotation annotation { polygon };
annotation.color = { { 255, 0, 0, 1 } };
test.map.addAnnotation(annotation);
test.checkRendering("non_immediate_add");
}
TEST(Annotations, UpdateSymbolAnnotationGeometry) {
AnnotationTest test;
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
test.map.addAnnotationIcon("flipped_marker", namedMarker("flipped_marker.png"));
AnnotationID point = test.map.addAnnotation(SymbolAnnotation { Point<double> { 0, 0 }, "default_marker" });
test::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.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
test.map.addAnnotationIcon("flipped_marker", namedMarker("flipped_marker.png"));
AnnotationID point = test.map.addAnnotation(SymbolAnnotation { Point<double> { 0, 0 }, "default_marker" });
test::render(test.map);
test.map.updateAnnotation(point, SymbolAnnotation { Point<double> { 0, 0 }, "flipped_marker" });
test.checkRendering("update_icon");
}
TEST(Annotations, RemovePoint) {
AnnotationTest test;
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
AnnotationID point = test.map.addAnnotation(SymbolAnnotation { Point<double> { 0, 0 }, "default_marker" });
test::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 = { { 255, 0, 0, 1 } };
annotation.width = { 5 };
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
AnnotationID shape = test.map.addAnnotation(annotation);
test::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.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test::render(test.map);
}
TEST(Annotations, SwitchStyle) {
AnnotationTest test;
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
test.map.addAnnotation(SymbolAnnotation { Point<double> { 0, 0 }, "default_marker" });
test::render(test.map);
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.checkRendering("switch_style");
}
TEST(Annotations, QueryRenderedFeatures) {
AnnotationTest test;
test.map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
test.map.addAnnotationIcon("default_marker", namedMarker("default_marker.png"));
test.map.addAnnotation(SymbolAnnotation { Point<double> { 0, 0 }, "default_marker" });
test.map.addAnnotation(SymbolAnnotation { Point<double> { 0, 50 }, "default_marker" });
test::render(test.map);
auto features = test.map.queryRenderedFeatures(test.map.pixelForLatLng({ 0, 0 }));
EXPECT_EQ(features.size(), 1u);
EXPECT_TRUE(!!features[0].id);
EXPECT_EQ(*features[0].id, 0);
auto features2 = test.map.queryRenderedFeatures(test.map.pixelForLatLng({ 50, 0 }));
EXPECT_EQ(features2.size(), 1u);
EXPECT_TRUE(!!features2[0].id);
EXPECT_EQ(*features2[0].id, 1);
}
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