diff options
Diffstat (limited to 'platform/glfw/glfw_view.cpp')
| -rw-r--r-- | platform/glfw/glfw_view.cpp | 112 |
1 files changed, 111 insertions, 1 deletions
diff --git a/platform/glfw/glfw_view.cpp b/platform/glfw/glfw_view.cpp index f59d44bd8c..e538d934a3 100644 --- a/platform/glfw/glfw_view.cpp +++ b/platform/glfw/glfw_view.cpp @@ -20,6 +20,7 @@ #include <mbgl/style/transition_options.hpp> #include <mbgl/util/chrono.hpp> #include <mbgl/util/geo.hpp> +#include <mbgl/util/io.hpp> #include <mbgl/util/logging.hpp> #include <mbgl/util/platform.hpp> #include <mbgl/util/string.hpp> @@ -41,6 +42,25 @@ #include <iostream> #include <utility> +#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_LOCATION_INDICATOR_DISABLE_ALL) +#include <mbgl/style/layers/location_indicator_layer.hpp> + +namespace { +const std::string mbglPuckAssetsPath{MAPBOX_PUCK_ASSETS_PATH}; + +mbgl::Color premultiply(mbgl::Color c) { + c.r *= c.a; + c.g *= c.a; + c.b *= c.a; + return c; +} + +std::array<double, 3> toArray(const mbgl::LatLng &crd) { + return {crd.latitude(), crd.longitude(), 0}; +} +} // namespace +#endif + class SnapshotObserver final : public mbgl::MapSnapshotterObserver { public: ~SnapshotObserver() override = default; @@ -459,6 +479,9 @@ void GLFWView::onKey(GLFWwindow *window, int key, int /*scancode*/, int action, // Snapshot with overlay view->makeSnapshot(true); } break; + case GLFW_KEY_G: { + view->toggleLocationIndicatorLayer(); + } break; } } @@ -689,6 +712,12 @@ void GLFWView::onScroll(GLFWwindow *window, double /*xOffset*/, double yOffset) } view->map->scaleBy(scale, mbgl::ScreenCoordinate { view->lastX, view->lastY }); +#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_CUSTOM_DISABLE_ALL) + if (view->puck && view->puckFollowsCameraCenter) { + mbgl::LatLng mapCenter = view->map->getCameraOptions().center.value(); + view->puck->setLocation(toArray(mapCenter)); + } +#endif } void GLFWView::onWindowResize(GLFWwindow *window, int width, int height) { @@ -755,7 +784,12 @@ void GLFWView::onMouseMove(GLFWwindow *window, double x, double y) { } view->lastX = x; view->lastY = y; - +#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_CUSTOM_DISABLE_ALL) + if (view->puck && view->puckFollowsCameraCenter) { + mbgl::LatLng mapCenter = view->map->getCameraOptions().center.value(); + view->puck->setLocation(toArray(mapCenter)); + } +#endif auto &style = view->map->getStyle(); if (style.getLayer("state-fills")) { auto screenCoordinate = mbgl::ScreenCoordinate{view->lastX, view->lastY}; @@ -879,6 +913,10 @@ void GLFWView::setWindowTitle(const std::string& title) { } void GLFWView::onDidFinishLoadingStyle() { +#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_CUSTOM_DISABLE_ALL) + puck = nullptr; +#endif + if (show3DExtrusions) { toggle3DExtrusions(show3DExtrusions); } @@ -933,3 +971,75 @@ void GLFWView::toggleCustomSource() { mbgl::style::VisibilityType::None : mbgl::style::VisibilityType::Visible); } } + +void GLFWView::toggleLocationIndicatorLayer() { +#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_LOCATION_INDICATOR_DISABLE_ALL) + puck = static_cast<mbgl::style::LocationIndicatorLayer *>(map->getStyle().getLayer("puck")); + static const mbgl::LatLng puckLocation{35.683389, 139.76525}; // A location on the crossing of 4 tiles + if (puck == nullptr) { + auto puckLayer = std::make_unique<mbgl::style::LocationIndicatorLayer>("puck"); + + puckLayer->setLocationTransition(mbgl::style::TransitionOptions( + mbgl::Duration::zero(), mbgl::Duration::zero())); // Note: This is used here for demo purpose. + // SDKs should not use this, or else the location + // will "jump" to positions. + puckLayer->setLocation(toArray(puckLocation)); + puckLayer->setAccuracyRadius(50); + puckLayer->setAccuracyRadiusColor( + premultiply(mbgl::Color{0.0, 1.0, 0.0, 0.2})); // Note: these must be fed premultiplied + + puckLayer->setBearing(0); + puckLayer->setAccuracyRadiusBorderColor(premultiply(mbgl::Color{0.0, 1.0, 0.2, 0.4})); + puckLayer->setTopImageSize(24); + puckLayer->setBearingImageSize(72); + puckLayer->setShadowImageSize(96); + puckLayer->setImageTiltDisplacement(8.0f); // set to 0 for a "flat" puck + puckLayer->setPerspectiveCompensation(0.9); + + map->getStyle().addImage(std::make_unique<mbgl::style::Image>( + "puck.png", mbgl::decodeImage(mbgl::util::read_file(mbglPuckAssetsPath + "puck.png")), 1.0)); + + map->getStyle().addImage(std::make_unique<mbgl::style::Image>( + "puck_shadow.png", mbgl::decodeImage(mbgl::util::read_file(mbglPuckAssetsPath + "puck_shadow.png")), 1.0)); + + map->getStyle().addImage(std::make_unique<mbgl::style::Image>( + "puck_hat.png", mbgl::decodeImage(mbgl::util::read_file(mbglPuckAssetsPath + "puck_hat.png")), 1.0)); + + puckLayer->setBearingImage(mbgl::style::expression::Image("puck.png")); + puckLayer->setShadowImage(mbgl::style::expression::Image("puck_shadow.png")); + puckLayer->setTopImage(mbgl::style::expression::Image("puck_hat.png")); + + puck = puckLayer.get(); + map->getStyle().addLayer(std::move(puckLayer)); + } else { + bool visible = puck->getVisibility() == mbgl::style::VisibilityType::Visible; + if (visible) { + if (!puckFollowsCameraCenter) { + mbgl::LatLng mapCenter = map->getCameraOptions().center.value(); + puck->setLocation(toArray(mapCenter)); + puckFollowsCameraCenter = true; + } else { + puckFollowsCameraCenter = false; + puck->setVisibility(mbgl::style::VisibilityType(mbgl::style::VisibilityType::None)); + } + } else { + puck->setLocation(toArray(puckLocation)); + puck->setVisibility(mbgl::style::VisibilityType(mbgl::style::VisibilityType::Visible)); + puckFollowsCameraCenter = false; + } + } +#endif +} + +using Nanoseconds = std::chrono::nanoseconds; + +void GLFWView::onWillStartRenderingFrame() { +#if defined(MBGL_RENDER_BACKEND_OPENGL) && !defined(MBGL_LAYER_LOCATION_INDICATOR_DISABLE_ALL) + puck = static_cast<mbgl::style::LocationIndicatorLayer *>(map->getStyle().getLayer("puck")); + if (puck) { + uint64_t ns = mbgl::Clock::now().time_since_epoch().count(); + const float bearing = float(ns % 2000000000) / 2000000000.0 * 360.0; + puck->setBearing(bearing); + } +#endif +} |