1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/gl/headless_frontend.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/renderer/backend_scope.hpp>
#include <mbgl/storage/online_file_source.hpp>
#include <mbgl/style/function/camera_function.hpp>
#include <mbgl/style/function/exponential_stops.hpp>
#include <mbgl/style/image.hpp>
#include <mbgl/style/layers/line_layer.hpp>
#include <mbgl/style/sources/geojson_source.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/util/default_thread_pool.hpp>
#include <mbgl/util/exception.hpp>
#include <mbgl/util/geometry.hpp>
#include <mbgl/util/geojson.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/run_loop.hpp>
using namespace mbgl;
using namespace mbgl::style;
TEST(API, ZoomHistory) {
util::RunLoop loop;
StubFileSource fileSource;
ThreadPool threadPool(4);
float pixelRatio { 1 };
HeadlessFrontend frontend { pixelRatio, fileSource, threadPool };
auto map = std::make_unique<Map>(frontend, MapObserver::nullObserver(), frontend.getSize(),
pixelRatio, fileSource, threadPool, MapMode::Static);
EXPECT_TRUE(map);
map->getStyle().loadJSON(util::readFile("test/fixtures/api/empty.json"));
auto source = std::make_unique<GeoJSONSource>("source");
source->setGeoJSON({ LineString<double> { { 45, -45 }, { -45, 45 } } });
map->getStyle().addSource(std::move(source));
auto layer = std::make_unique<LineLayer>("layer-1", "source");
layer->setLineWidth(CameraFunction<float> { ExponentialStops<float> {{ { 0, 8 }, { 1, 16 } }} });
layer->setLineDasharray({ std::vector<float> { 1, 1 } });
layer->setLineColor( { Color::black() } );
map->getStyle().addLayer(std::move(layer));
layer = std::make_unique<LineLayer>("layer-2", "source");
layer->setLineWidth(CameraFunction<float> { ExponentialStops<float> {{ { 0, 4 }, { 1, 8 } }} });
layer->setLineDasharray({ std::vector<float> { 2, 2 } });
layer->setLineColor( { Color::red() } );
map->getStyle().addLayer(std::move(layer));
// ZoomHistory.lastIntegerZoom is 1.
map->setZoom(1.0);
frontend.render(*map);
map->setZoom(0.0);
frontend.render(*map);
// ZoomHistory.lastIntegerZoom should be 0.
map->setZoom(0.5);
test::checkImage("test/fixtures/zoom_history", frontend.render(*map), 0.0002);
map->setZoom(1.0);
frontend.render(*map);
map->setZoom(0.5);
test::checkImage("test/fixtures/zoom_history", frontend.render(*map), 0.0002);
}
|
