Refactor placefile text into its own draw item

This commit is contained in:
Dan Paulat 2023-08-19 10:05:26 -05:00
parent d6f8a339fc
commit a4027ba120
4 changed files with 321 additions and 132 deletions

View file

@ -1,16 +1,10 @@
#include <scwx/qt/map/placefile_layer.hpp>
#include <scwx/qt/gl/draw/placefile_icons.hpp>
#include <scwx/qt/gl/draw/placefile_polygons.hpp>
#include <scwx/qt/gl/draw/placefile_text.hpp>
#include <scwx/qt/manager/placefile_manager.hpp>
#include <scwx/qt/manager/resource_manager.hpp>
#include <scwx/qt/manager/settings_manager.hpp>
#include <scwx/qt/util/maplibre.hpp>
#include <scwx/common/geographic.hpp>
#include <scwx/util/logger.hpp>
#include <fmt/format.h>
#include <imgui.h>
#include <mbgl/util/constants.hpp>
namespace scwx
{
@ -32,7 +26,9 @@ public:
placefileName_ {placefileName},
placefileIcons_ {std::make_shared<gl::draw::PlacefileIcons>(context)},
placefilePolygons_ {
std::make_shared<gl::draw::PlacefilePolygons>(context)}
std::make_shared<gl::draw::PlacefilePolygons>(context)},
placefileText_ {
std::make_shared<gl::draw::PlacefileText>(context, placefileName)}
{
ConnectSignals();
}
@ -42,36 +38,17 @@ public:
void AddIcon(const std::shared_ptr<gr::Placefile::IconDrawItem>& di);
void AddPolygon(const std::shared_ptr<gr::Placefile::PolygonDrawItem>& di);
void
RenderTextDrawItem(const QMapLibreGL::CustomLayerRenderParameters& params,
const std::shared_ptr<gr::Placefile::TextDrawItem>& di);
void AddText(const std::shared_ptr<gr::Placefile::TextDrawItem>& di);
void RenderText(const QMapLibreGL::CustomLayerRenderParameters& params,
const std::string& text,
const std::string& hoverText,
boost::gil::rgba8_pixel_t color,
float x,
float y);
PlacefileLayer* self_;
std::string placefileName_;
bool dirty_ {true};
std::uint32_t textId_ {};
glm::vec2 mapScreenCoordLocation_ {};
float mapScale_ {1.0f};
float mapBearingCos_ {1.0f};
float mapBearingSin_ {0.0f};
float halfWidth_ {};
float halfHeight_ {};
bool thresholded_ {true};
ImFont* monospaceFont_ {};
units::length::nautical_miles<double> mapDistance_ {};
std::shared_ptr<gl::draw::PlacefileIcons> placefileIcons_;
std::shared_ptr<gl::draw::PlacefilePolygons> placefilePolygons_;
std::shared_ptr<gl::draw::PlacefileText> placefileText_;
};
PlacefileLayer::PlacefileLayer(std::shared_ptr<MapContext> context,
@ -81,6 +58,7 @@ PlacefileLayer::PlacefileLayer(std::shared_ptr<MapContext> context,
{
AddDrawItem(p->placefileIcons_);
AddDrawItem(p->placefilePolygons_);
AddDrawItem(p->placefileText_);
}
PlacefileLayer::~PlacefileLayer() = default;
@ -110,6 +88,8 @@ void PlacefileLayer::set_placefile_name(const std::string& placefileName)
{
p->placefileName_ = placefileName;
p->dirty_ = true;
p->placefileText_->set_placefile_name(placefileName);
}
void PlacefileLayer::Initialize()
@ -141,78 +121,15 @@ void PlacefileLayer::Impl::AddPolygon(
placefilePolygons_->AddPolygon(di);
}
void PlacefileLayer::Impl::RenderTextDrawItem(
const QMapLibreGL::CustomLayerRenderParameters& params,
void PlacefileLayer::Impl::AddText(
const std::shared_ptr<gr::Placefile::TextDrawItem>& di)
{
if (!thresholded_ || mapDistance_ <= di->threshold_)
if (!dirty_)
{
const auto screenCoordinates = (util::maplibre::LatLongToScreenCoordinate(
{di->latitude_, di->longitude_}) -
mapScreenCoordLocation_) *
mapScale_;
return;
};
// 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_;
}
RenderText(params,
di->text_,
di->hoverText_,
di->color_,
rotatedX + di->x_ + halfWidth_,
rotatedY + di->y_ + halfHeight_);
}
}
void PlacefileLayer::Impl::RenderText(
const QMapLibreGL::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();
// Create tooltip for hover text
if (!hoverText.empty() && ImGui::IsItemHovered())
{
ImGui::BeginTooltip();
ImGui::PushFont(monospaceFont_);
ImGui::TextUnformatted(hoverText.c_str());
ImGui::PopFont();
ImGui::EndTooltip();
}
// End window
ImGui::End();
placefileText_->AddText(di);
}
void PlacefileLayer::Render(
@ -223,36 +140,6 @@ void PlacefileLayer::Render(
// Set OpenGL blend mode for transparency
gl.glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Reset text ID per frame
p->textId_ = 0;
// 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);
// Get monospace font pointer
std::size_t fontSize = 16;
auto fontSizes =
manager::SettingsManager::general_settings().font_sizes().GetValue();
if (fontSizes.size() > 1)
{
fontSize = fontSizes[1];
}
else if (fontSizes.size() > 0)
{
fontSize = fontSizes[0];
}
auto monospace =
manager::ResourceManager::Font(types::Font::Inconsolata_Regular);
p->monospaceFont_ = monospace->ImGuiFont(fontSize);
std::shared_ptr<manager::PlacefileManager> placefileManager =
manager::PlacefileManager::Instance();
@ -261,10 +148,11 @@ void PlacefileLayer::Render(
// Render placefile
if (placefile != nullptr)
{
p->thresholded_ =
bool thresholded =
placefileManager->placefile_thresholded(placefile->name());
p->placefileIcons_->set_thresholded(p->thresholded_);
p->placefilePolygons_->set_thresholded(p->thresholded_);
p->placefileIcons_->set_thresholded(thresholded);
p->placefilePolygons_->set_thresholded(thresholded);
p->placefileText_->set_thresholded(thresholded);
if (p->dirty_)
{
@ -275,6 +163,9 @@ void PlacefileLayer::Render(
// Reset Placefile Polygons
p->placefilePolygons_->StartPolygons();
// Reset Placefile Text
p->placefileText_->Reset();
}
for (auto& drawItem : placefile->GetDrawItems())
@ -282,8 +173,7 @@ void PlacefileLayer::Render(
switch (drawItem->itemType_)
{
case gr::Placefile::ItemType::Text:
p->RenderTextDrawItem(
params,
p->AddText(
std::static_pointer_cast<gr::Placefile::TextDrawItem>(drawItem));
break;