143 lines
4.3 KiB
C++
143 lines
4.3 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/gfx/headless_frontend.hpp>
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#include <mbgl/map/map.hpp>
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#include <mbgl/map/map_options.hpp>
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#include <mbgl/storage/resource_options.hpp>
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#include <mbgl/style/layers/fill_layer.hpp>
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#include <mbgl/style/style.hpp>
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#include <mbgl/util/io.hpp>
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#include <mbgl/util/mat4.hpp>
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#include <mbgl/util/run_loop.hpp>
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#if MLN_DRAWABLE_RENDERER
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#include <mbgl/style/layers/custom_drawable_layer.hpp>
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#include <mbgl/util/constants.hpp>
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#include <memory>
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#include <cmath>
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class TestDrawableLayer : public mbgl::style::CustomDrawableLayerHost {
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public:
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void initialize() override {}
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void update(Interface& interface) override {
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// if we have built our drawable(s) already, either update or skip
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if (interface.getDrawableCount()) return;
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// set tile
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interface.setTileID({11, 327, 791});
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// add polylines
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using namespace mbgl;
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constexpr auto numLines = 6;
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Interface::LineOptions options[numLines]{
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{/*color=*/Color::red(),
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/*blur=*/0.0f,
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/*opacity=*/1.0f,
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/*gapWidth=*/0.0f,
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/*offset=*/0.0f,
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/*width=*/8.0f,
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{}},
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{/*color=*/Color::blue(),
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/*blur=*/4.0f,
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/*opacity=*/1.0f,
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/*gapWidth=*/2.0f,
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/*offset=*/-1.0f,
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/*width=*/4.0f,
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{}},
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{/*color=*/Color(1.f, 0.5f, 0, 0.5f),
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/*blur=*/16.0f,
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/*opacity=*/1.0f,
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/*gapWidth=*/1.0f,
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/*offset=*/2.0f,
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/*width=*/16.0f,
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{}},
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{/*color=*/Color(1.f, 1.f, 0, 0.3f),
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/*blur=*/2.0f,
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/*opacity=*/1.0f,
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/*gapWidth=*/1.0f,
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/*offset=*/-2.0f,
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/*width=*/2.0f,
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{}},
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{/*color=*/Color::black(),
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/*blur=*/0.5f,
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/*opacity=*/0.5f,
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/*gapWidth=*/1.0f,
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/*offset=*/0.5f,
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/*width=*/0.5f,
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{}},
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{/*color=*/Color(1.f, 0, 1.f, 0.2f),
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/*blur=*/24.0f,
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/*opacity=*/0.5f,
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/*gapWidth=*/1.0f,
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/*offset=*/-5.0f,
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/*width=*/24.0f,
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{}},
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};
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for (auto& opt : options) {
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opt.geometry.beginCap = style::LineCapType::Round;
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opt.geometry.endCap = style::LineCapType::Round;
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opt.geometry.joinType = style::LineJoinType::Round;
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}
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constexpr auto numPoints = 100;
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GeometryCoordinates polyline;
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for (auto ipoint{0}; ipoint < numPoints; ++ipoint) {
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polyline.emplace_back(ipoint * util::EXTENT / numPoints,
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std::sin(ipoint * 2 * M_PI / numPoints) * util::EXTENT / numLines / 2.f);
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}
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for (auto index{0}; index < numLines; ++index) {
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for (auto& p : polyline) {
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p.y += util::EXTENT / numLines;
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}
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// set property values
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interface.setLineOptions(options[index]);
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// add polyline
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interface.addPolyline(polyline);
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}
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// finish
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interface.finish();
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}
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void deinitialize() override {}
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};
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TEST(CustomDrawableLayer, Basic) {
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using namespace mbgl;
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using namespace mbgl::style;
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util::RunLoop loop;
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HeadlessFrontend frontend{1};
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Map map(frontend,
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MapObserver::nullObserver(),
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MapOptions().withMapMode(MapMode::Static).withSize(frontend.getSize()),
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ResourceOptions().withCachePath(":memory:").withAssetPath("test/fixtures/api/assets"));
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// load style
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map.getStyle().loadJSON(util::read_file("test/fixtures/api/water.json"));
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map.jumpTo(CameraOptions().withCenter(LatLng{37.8, -122.4426032}).withZoom(10.0));
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// add fill layer
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auto layer = std::make_unique<FillLayer>("landcover", "mapbox");
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layer->setSourceLayer("landcover");
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layer->setFillColor(Color{1.0, 1.0, 0.0, 1.0});
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map.getStyle().addLayer(std::move(layer));
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// add custom drawable layer
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map.getStyle().addLayer(
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std::make_unique<CustomDrawableLayer>("custom-drawable", std::make_unique<TestDrawableLayer>()));
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// render and test
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test::checkImage("test/fixtures/custom_drawable_layer/basic", frontend.render(map).image, 0.0006, 0.1);
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}
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#endif // MLN_DRAWABLE_RENDERER
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