diff options
Diffstat (limited to 'platform/glfw/glfw_view.cpp')
| -rw-r--r-- | platform/glfw/glfw_view.cpp | 103 |
1 files changed, 93 insertions, 10 deletions
diff --git a/platform/glfw/glfw_view.cpp b/platform/glfw/glfw_view.cpp index 43c4de9759..c39b2c904a 100644 --- a/platform/glfw/glfw_view.cpp +++ b/platform/glfw/glfw_view.cpp @@ -4,22 +4,24 @@ #include "ny_route.hpp" #include <mbgl/annotation/annotation.hpp> -#include <mbgl/style/style.hpp> -#include <mbgl/style/sources/custom_geometry_source.hpp> +#include <mbgl/gfx/backend.hpp> +#include <mbgl/gfx/backend_scope.hpp> +#include <mbgl/map/camera.hpp> +#include <mbgl/renderer/renderer.hpp> +#include <mbgl/style/expression/dsl.hpp> #include <mbgl/style/image.hpp> -#include <mbgl/style/transition_options.hpp> #include <mbgl/style/layers/fill_extrusion_layer.hpp> +#include <mbgl/style/layers/fill_layer.hpp> #include <mbgl/style/layers/line_layer.hpp> -#include <mbgl/style/expression/dsl.hpp> +#include <mbgl/style/sources/custom_geometry_source.hpp> +#include <mbgl/style/sources/geojson_source.hpp> +#include <mbgl/style/style.hpp> +#include <mbgl/style/transition_options.hpp> +#include <mbgl/util/chrono.hpp> +#include <mbgl/util/geo.hpp> #include <mbgl/util/logging.hpp> #include <mbgl/util/platform.hpp> #include <mbgl/util/string.hpp> -#include <mbgl/util/chrono.hpp> -#include <mbgl/util/geo.hpp> -#include <mbgl/renderer/renderer.hpp> -#include <mbgl/gfx/backend.hpp> -#include <mbgl/gfx/backend_scope.hpp> -#include <mbgl/map/camera.hpp> #include <mapbox/cheap_ruler.hpp> #include <mapbox/geometry.hpp> @@ -323,6 +325,52 @@ void GLFWView::onKey(GLFWwindow *window, int key, int /*scancode*/, int action, case GLFW_KEY_T: view->toggleCustomSource(); break; + case GLFW_KEY_F: { + using namespace mbgl; + using namespace mbgl::style; + using namespace mbgl::style::expression::dsl; + + auto &style = view->map->getStyle(); + if (!style.getSource("states")) { + std::string url = "https://docs.mapbox.com/mapbox-gl-js/assets/us_states.geojson"; + auto source = std::make_unique<GeoJSONSource>("states"); + source->setURL(url); + style.addSource(std::move(source)); + + mbgl::CameraOptions cameraOptions; + cameraOptions.center = mbgl::LatLng{42.619626, -103.523181}; + cameraOptions.zoom = 3; + cameraOptions.pitch = 0; + cameraOptions.bearing = 0; + view->map->jumpTo(cameraOptions); + } + + auto layer = style.getLayer("state-fills"); + if (!layer) { + auto fillLayer = std::make_unique<FillLayer>("state-fills", "states"); + fillLayer->setFillColor(mbgl::Color{0.0, 0.0, 1.0, 0.5}); + fillLayer->setFillOpacity(PropertyExpression<float>( + createExpression(R"(["case", ["boolean", ["feature-state", "hover"], false], 1, 0.5])"))); + style.addLayer(std::move(fillLayer)); + } else { + layer->setVisibility(layer->getVisibility() == mbgl::style::VisibilityType::Visible + ? mbgl::style::VisibilityType::None + : mbgl::style::VisibilityType::Visible); + } + + layer = style.getLayer("state-borders"); + if (!layer) { + auto borderLayer = std::make_unique<LineLayer>("state-borders", "states"); + borderLayer->setLineColor(mbgl::Color{0.0, 0.0, 1.0, 1.0}); + borderLayer->setLineWidth(PropertyExpression<float>( + createExpression(R"(["case", ["boolean", ["feature-state", "hover"], false], 2, 1])"))); + style.addLayer(std::move(borderLayer)); + } else { + layer->setVisibility(layer->getVisibility() == mbgl::style::VisibilityType::Visible + ? mbgl::style::VisibilityType::None + : mbgl::style::VisibilityType::Visible); + } + } break; } } @@ -558,6 +606,41 @@ void GLFWView::onMouseMove(GLFWwindow *window, double x, double y) { } view->lastX = x; view->lastY = y; + + auto &style = view->map->getStyle(); + if (style.getLayer("state-fills")) { + auto screenCoordinate = mbgl::ScreenCoordinate{view->lastX, view->lastY}; + const mbgl::RenderedQueryOptions queryOptions({{{"state-fills"}}, {}}); + auto result = view->rendererFrontend->getRenderer()->queryRenderedFeatures(screenCoordinate, queryOptions); + using namespace mbgl; + FeatureState newState; + + if (result.size() > 0) { + FeatureIdentifier id = result[0].id; + optional<std::string> idStr = featureIDtoString(id); + + if (idStr) { + if (view->featureID && (*view->featureID != *idStr)) { + newState["hover"] = false; + view->rendererFrontend->getRenderer()->setFeatureState("states", {}, *view->featureID, newState); + view->featureID = nullopt; + } + + if (!view->featureID) { + newState["hover"] = true; + view->featureID = featureIDtoString(id); + view->rendererFrontend->getRenderer()->setFeatureState("states", {}, *view->featureID, newState); + } + } + } else { + if (view->featureID) { + newState["hover"] = false; + view->rendererFrontend->getRenderer()->setFeatureState("states", {}, *view->featureID, newState); + view->featureID = nullopt; + } + } + view->invalidate(); + } } void GLFWView::onWindowFocus(GLFWwindow *window, int focused) { |