supercell-wx/scwx-qt/source/scwx/qt/gl/draw/placefile_text.cpp

308 lines
9.4 KiB
C++

#include <scwx/qt/gl/draw/placefile_text.hpp>
#include <scwx/qt/manager/font_manager.hpp>
#include <scwx/qt/manager/placefile_manager.hpp>
#include <scwx/qt/settings/text_settings.hpp>
#include <scwx/qt/util/maplibre.hpp>
#include <scwx/qt/util/tooltip.hpp>
#include <scwx/util/logger.hpp>
#include <scwx/util/time.hpp>
#include <fmt/format.h>
#include <imgui.h>
#include <mbgl/util/constants.hpp>
namespace scwx::qt::gl::draw
{
static const std::string logPrefix_ = "scwx::qt::gl::draw::placefile_text";
static const auto logger_ = scwx::util::Logger::Create(logPrefix_);
class PlacefileText::Impl
{
public:
explicit Impl(std::string placefileName) :
placefileName_ {std::move(placefileName)}
{
}
~Impl() = default;
Impl(const Impl&) = delete;
Impl& operator=(const Impl&) = delete;
Impl(const Impl&&) = delete;
Impl& operator=(const Impl&&) = delete;
void RenderTextDrawItem(
const QMapLibre::CustomLayerRenderParameters& params,
const std::shared_ptr<const gr::Placefile::TextDrawItem>& di);
void RenderText(const QMapLibre::CustomLayerRenderParameters& params,
const std::string& text,
const std::string& hoverText,
boost::gil::rgba8_pixel_t color,
float x,
float y);
std::string placefileName_;
bool thresholded_ {false};
std::chrono::system_clock::time_point selectedTime_ {};
std::uint32_t textId_ {};
glm::vec2 mapScreenCoordLocation_ {};
float mapScale_ {1.0f};
float mapBearingCos_ {1.0f};
float mapBearingSin_ {0.0f};
float halfWidth_ {};
float halfHeight_ {};
std::string hoverText_ {};
units::length::nautical_miles<double> mapDistance_ {};
std::mutex listMutex_ {};
std::vector<std::shared_ptr<const gr::Placefile::TextDrawItem>> textList_ {};
std::vector<std::shared_ptr<const gr::Placefile::TextDrawItem>> newList_ {};
std::vector<std::shared_ptr<types::ImGuiFont>> fonts_ {};
std::vector<std::shared_ptr<types::ImGuiFont>> newFonts_ {};
};
PlacefileText::PlacefileText(const std::string& placefileName) :
DrawItem(), p(std::make_unique<Impl>(placefileName))
{
}
PlacefileText::~PlacefileText() = default;
PlacefileText::PlacefileText(PlacefileText&&) noexcept = default;
PlacefileText& PlacefileText::operator=(PlacefileText&&) noexcept = default;
void PlacefileText::set_placefile_name(const std::string& placefileName)
{
p->placefileName_ = placefileName;
}
void PlacefileText::set_selected_time(
std::chrono::system_clock::time_point selectedTime)
{
p->selectedTime_ = selectedTime;
}
void PlacefileText::set_thresholded(bool thresholded)
{
p->thresholded_ = thresholded;
}
void PlacefileText::Initialize() {}
void PlacefileText::Render(const QMapLibre::CustomLayerRenderParameters& params)
{
std::unique_lock lock {p->listMutex_};
if (!p->textList_.empty())
{
// Reset text ID per frame
p->textId_ = 0;
p->hoverText_.clear();
// 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;
p->mapDistance_ = util::maplibre::GetMapDistance(params);
for (auto& di : p->textList_)
{
p->RenderTextDrawItem(params, di);
}
}
}
void PlacefileText::Impl::RenderTextDrawItem(
const QMapLibre::CustomLayerRenderParameters& params,
const std::shared_ptr<const gr::Placefile::TextDrawItem>& di)
{
// If no time has been selected, use the current time
std::chrono::system_clock::time_point selectedTime =
(selectedTime_ == std::chrono::system_clock::time_point {}) ?
scwx::util::time::now() :
selectedTime_;
const bool thresholdMet =
!thresholded_ || mapDistance_ <= di->threshold_ ||
(di->threshold_.value() < 0.0 && mapDistance_ >= -(di->threshold_));
if (thresholdMet &&
(di->startTime_ == std::chrono::system_clock::time_point {} ||
(di->startTime_ <= selectedTime && selectedTime < di->endTime_)))
{
const auto screenCoordinates = (util::maplibre::LatLongToScreenCoordinate(
{di->latitude_, di->longitude_}) -
mapScreenCoordLocation_) *
mapScale_;
// 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_;
}
// Clamp font number to 0-8
std::size_t fontNumber = std::clamp<std::size_t>(di->fontNumber_, 0, 8);
// Set the font for the drop shadow and text
ImGui::PushFont(fonts_[fontNumber]->font());
if (settings::TextSettings::Instance()
.placefile_text_drop_shadow_enabled()
.GetValue())
{
// Draw a drop shadow 1 pixel to the lower right, in black, with the
// original transparency level
RenderText(params,
di->text_,
{},
boost::gil::rgba8_pixel_t {0, 0, 0, di->color_[3]},
rotatedX + di->x_ + halfWidth_ + 1.0f,
rotatedY + di->y_ + halfHeight_ - 1.0f);
}
// Draw the text
RenderText(params,
di->text_,
di->hoverText_,
di->color_,
rotatedX + di->x_ + halfWidth_,
rotatedY + di->y_ + halfHeight_);
// Reset the font
ImGui::PopFont();
}
}
void PlacefileText::Impl::RenderText(
const QMapLibre::CustomLayerRenderParameters& params,
const std::string& text,
const std::string& hoverText,
boost::gil::rgba8_pixel_t color,
float x,
float y)
{
const std::string windowName {
fmt::format("PlacefileText-{}-{}", placefileName_, ++textId_)};
// Convert screen to ImGui coordinates
y = params.height - y;
// Setup "window" to hold text
ImGui::SetNextWindowPos(
ImVec2 {x, y}, ImGuiCond_Always, ImVec2 {0.5f, 0.5f});
ImGui::Begin(windowName.c_str(),
nullptr,
ImGuiWindowFlags_AlwaysAutoResize |
ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoNav |
ImGuiWindowFlags_NoBackground);
// Render text
ImGui::PushStyleColor(ImGuiCol_Text,
IM_COL32(color[0], color[1], color[2], color[3]));
ImGui::TextUnformatted(text.c_str());
ImGui::PopStyleColor();
// Store hover text for mouse picking pass
if (!hoverText.empty() && ImGui::IsItemHovered())
{
hoverText_ = hoverText;
}
// End window
ImGui::End();
}
void PlacefileText::Deinitialize()
{
std::unique_lock lock {p->listMutex_};
// Clear the text list
p->textList_.clear();
}
bool PlacefileText::RunMousePicking(
const QMapLibre::CustomLayerRenderParameters& /* params */,
const QPointF& /* mouseLocalPos */,
const QPointF& mouseGlobalPos,
const glm::vec2& /* mouseCoords */,
const common::Coordinate& /* mouseGeoCoords */,
std::shared_ptr<types::EventHandler>& /* eventHandler */)
{
bool itemPicked = false;
// Create tooltip for hover text
if (!p->hoverText_.empty())
{
itemPicked = true;
util::tooltip::Show(p->hoverText_, mouseGlobalPos);
}
return itemPicked;
}
void PlacefileText::StartText()
{
// Clear the new list
p->newList_.clear();
}
void PlacefileText::SetFonts(
const boost::unordered_flat_map<std::size_t,
std::shared_ptr<types::ImGuiFont>>& fonts)
{
auto defaultFont = manager::FontManager::Instance().GetImGuiFont(
types::FontCategory::Default);
// Valid font numbers are from 1 to 8, use 0 for the default font
for (std::size_t i = 0; i <= 8; ++i)
{
auto it = (i > 0) ? fonts.find(i) : fonts.cend();
if (it != fonts.cend())
{
p->newFonts_.push_back(it->second);
}
else
{
p->newFonts_.push_back(defaultFont);
}
}
}
void PlacefileText::AddText(
const std::shared_ptr<gr::Placefile::TextDrawItem>& di)
{
if (di != nullptr)
{
p->newList_.emplace_back(di);
}
}
void PlacefileText::FinishText()
{
std::unique_lock lock {p->listMutex_};
// Swap text lists
p->textList_.swap(p->newList_);
p->fonts_.swap(p->newFonts_);
// Clear the new list
p->newList_.clear();
p->newFonts_.clear();
}
} // namespace scwx::qt::gl::draw