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Merge pull request #97 from dpaulat/feature/radar-site-labels
Radar Site Labels
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,173 @@ | ||
| #include <scwx/qt/map/radar_site_layer.hpp> | ||
| #include <scwx/qt/config/radar_site.hpp> | ||
| #include <scwx/qt/util/maplibre.hpp> | ||
| #include <scwx/qt/util/tooltip.hpp> | ||
| #include <scwx/common/geographic.hpp> | ||
| #include <scwx/util/logger.hpp> | ||
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| // #include <GeographicLib/Geodesic.hpp> | ||
| #include <imgui.h> | ||
| #include <mbgl/util/constants.hpp> | ||
|
|
||
| namespace scwx | ||
| { | ||
| namespace qt | ||
| { | ||
| namespace map | ||
| { | ||
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| static const std::string logPrefix_ = "scwx::qt::map::radar_site_layer"; | ||
| static const auto logger_ = scwx::util::Logger::Create(logPrefix_); | ||
|
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| class RadarSiteLayer::Impl | ||
| { | ||
| public: | ||
| explicit Impl(RadarSiteLayer* self) : self_ {self} {} | ||
| ~Impl() = default; | ||
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| void RenderRadarSite(const QMapLibreGL::CustomLayerRenderParameters& params, | ||
| std::shared_ptr<config::RadarSite>& radarSite); | ||
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| RadarSiteLayer* self_; | ||
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| std::vector<std::shared_ptr<config::RadarSite>> radarSites_ {}; | ||
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| glm::vec2 mapScreenCoordLocation_ {}; | ||
| float mapScale_ {1.0f}; | ||
| float mapBearingCos_ {1.0f}; | ||
| float mapBearingSin_ {0.0f}; | ||
| float halfWidth_ {}; | ||
| float halfHeight_ {}; | ||
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| std::string hoverText_ {}; | ||
| }; | ||
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| RadarSiteLayer::RadarSiteLayer(std::shared_ptr<MapContext> context) : | ||
| DrawLayer(context), p(std::make_unique<Impl>(this)) | ||
| { | ||
| } | ||
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| RadarSiteLayer::~RadarSiteLayer() = default; | ||
|
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| void RadarSiteLayer::Initialize() | ||
| { | ||
| logger_->debug("Initialize()"); | ||
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| p->radarSites_ = config::RadarSite::GetAll(); | ||
| } | ||
|
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| void RadarSiteLayer::Render( | ||
| const QMapLibreGL::CustomLayerRenderParameters& params) | ||
| { | ||
| gl::OpenGLFunctions& gl = context()->gl(); | ||
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| context()->set_render_parameters(params); | ||
|
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| // Update map screen coordinate and scale information | ||
| p->mapScreenCoordLocation_ = util::maplibre::LatLongToScreenCoordinate( | ||
| {params.latitude, params.longitude}); | ||
| p->mapScale_ = std::pow(2.0, params.zoom) * mbgl::util::tileSize_D / | ||
| mbgl::util::DEGREES_MAX; | ||
| p->mapBearingCos_ = cosf(params.bearing * common::kDegreesToRadians); | ||
| p->mapBearingSin_ = sinf(params.bearing * common::kDegreesToRadians); | ||
| p->halfWidth_ = params.width * 0.5f; | ||
| p->halfHeight_ = params.height * 0.5f; | ||
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| p->hoverText_.clear(); | ||
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| // Radar site ImGui windows shouldn't have padding | ||
| ImGui::PushStyleVar(ImGuiStyleVar_WindowPadding, ImVec2 {0.0f, 0.0f}); | ||
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| for (auto& radarSite : p->radarSites_) | ||
| { | ||
| p->RenderRadarSite(params, radarSite); | ||
| } | ||
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| ImGui::PopStyleVar(); | ||
|
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| SCWX_GL_CHECK_ERROR(); | ||
| } | ||
|
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| void RadarSiteLayer::Impl::RenderRadarSite( | ||
| const QMapLibreGL::CustomLayerRenderParameters& params, | ||
| std::shared_ptr<config::RadarSite>& radarSite) | ||
| { | ||
| const std::string windowName = fmt::format("radar-site-{}", radarSite->id()); | ||
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| const auto screenCoordinates = | ||
| (util::maplibre::LatLongToScreenCoordinate( | ||
| {radarSite->latitude(), radarSite->longitude()}) - | ||
| mapScreenCoordLocation_) * | ||
| mapScale_; | ||
|
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| // Rotate text according to map rotation | ||
| float rotatedX = screenCoordinates.x; | ||
| float rotatedY = screenCoordinates.y; | ||
| if (params.bearing != 0.0) | ||
| { | ||
| rotatedX = screenCoordinates.x * mapBearingCos_ - | ||
| screenCoordinates.y * mapBearingSin_; | ||
| rotatedY = screenCoordinates.x * mapBearingSin_ + | ||
| screenCoordinates.y * mapBearingCos_; | ||
| } | ||
|
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| // Convert screen to ImGui coordinates | ||
| float x = rotatedX + halfWidth_; | ||
| float y = params.height - (rotatedY + halfHeight_); | ||
|
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| // Setup window to hold text | ||
| ImGui::SetNextWindowPos( | ||
| ImVec2 {x, y}, ImGuiCond_Always, ImVec2 {0.5f, 0.5f}); | ||
| if (ImGui::Begin(windowName.c_str(), | ||
| nullptr, | ||
| ImGuiWindowFlags_NoTitleBar | ImGuiWindowFlags_NoResize | | ||
| ImGuiWindowFlags_AlwaysAutoResize)) | ||
| { | ||
| // Render text | ||
| if (ImGui::Button(radarSite->id().c_str())) | ||
| { | ||
| Q_EMIT self_->RadarSiteSelected(radarSite->id()); | ||
| } | ||
|
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| // Store hover text for mouse picking pass | ||
| if (ImGui::IsItemHovered()) | ||
| { | ||
| hoverText_ = | ||
| fmt::format("{} ({})\n{}\n{}, {}", | ||
| radarSite->id(), | ||
| radarSite->type_name(), | ||
| radarSite->location_name(), | ||
| common::GetLatitudeString(radarSite->latitude()), | ||
| common::GetLongitudeString(radarSite->longitude())); | ||
| } | ||
|
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| // End window | ||
| ImGui::End(); | ||
| } | ||
| } | ||
|
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| void RadarSiteLayer::Deinitialize() | ||
| { | ||
| logger_->debug("Deinitialize()"); | ||
|
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| p->radarSites_.clear(); | ||
| } | ||
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| bool RadarSiteLayer::RunMousePicking( | ||
| const QMapLibreGL::CustomLayerRenderParameters& /* params */, | ||
| const QPointF& /* mouseLocalPos */, | ||
| const QPointF& mouseGlobalPos, | ||
| const glm::vec2& /* mouseCoords */) | ||
| { | ||
| if (!p->hoverText_.empty()) | ||
| { | ||
| util::tooltip::Show(p->hoverText_, mouseGlobalPos); | ||
| return true; | ||
| } | ||
|
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| return false; | ||
| } | ||
|
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| } // namespace map | ||
| } // namespace qt | ||
| } // namespace scwx |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,40 @@ | ||
| #pragma once | ||
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| #include <scwx/qt/map/draw_layer.hpp> | ||
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| namespace scwx | ||
| { | ||
| namespace qt | ||
| { | ||
| namespace map | ||
| { | ||
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| class RadarSiteLayer : public DrawLayer | ||
| { | ||
| Q_OBJECT | ||
| Q_DISABLE_COPY_MOVE(RadarSiteLayer) | ||
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| public: | ||
| explicit RadarSiteLayer(std::shared_ptr<MapContext> context); | ||
| ~RadarSiteLayer(); | ||
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| void Initialize() override final; | ||
| void Render(const QMapLibreGL::CustomLayerRenderParameters&) override final; | ||
| void Deinitialize() override final; | ||
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| bool RunMousePicking(const QMapLibreGL::CustomLayerRenderParameters& params, | ||
| const QPointF& mouseLocalPos, | ||
| const QPointF& mouseGlobalPos, | ||
| const glm::vec2& mouseCoords) override final; | ||
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| signals: | ||
| void RadarSiteSelected(const std::string& id); | ||
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| private: | ||
| class Impl; | ||
| std::unique_ptr<Impl> p; | ||
| }; | ||
|
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| } // namespace map | ||
| } // namespace qt | ||
| } // namespace scwx |
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