Method updateImageFromSimulation

source/Gui/SimulationView.cpp:282–360

}

void SimulationView::updateImageFromSimulation()
{
    auto worldRect = Viewport::get().getVisibleWorldRect();
    auto viewSize = Viewport::get().getViewSize();
    auto zoomFactor = Viewport::get().getZoomFactor();

    if (zoomFactor >= ZoomFactorForOverlay) {
        auto overlay = _simulationFacade->tryDrawVectorGraphicsAndReturnOverlay(
            worldRect.topLeft, worldRect.bottomRight, {viewSize.x, viewSize.y}, zoomFactor);
        if (overlay) {
            std::sort(overlay->elements.begin(), overlay->elements.end(), [](OverlayElementDescription const& left, OverlayElementDescription const& right) {
                return left.id < right.id;
            });
            _overlay = overlay;
        }
    } else {
        _simulationFacade->tryDrawVectorGraphics(
            worldRect.topLeft, worldRect.bottomRight, {viewSize.x, viewSize.y}, zoomFactor);
        _overlay = std::nullopt;
    }

    //draw overlay
    if (_overlay) {
        ImDrawList* drawList = ImGui::GetBackgroundDrawList();
        auto parameters = _simulationFacade->getSimulationParameters();
        auto timestep = _simulationFacade->getCurrentTimestep();
        for (auto const& overlayElement : _overlay->elements) {
            if (_cellDetailOverlayActive && overlayElement.cell) {
                {
                    auto fontSizeUnit = std::min(40.0f, Viewport::get().getZoomFactor()) / 2;
                    auto viewPos = Viewport::get().mapWorldToViewPosition({overlayElement.pos.x, overlayElement.pos.y + 0.3f}, parameters.borderlessRendering);
                    if (overlayElement.cellType != CellFunction_None) {
                        auto text = Const::CellFunctionToStringMap.at(overlayElement.cellType);
                        if (overlayElement.executionOrderNumber == toInt((timestep - 1) % parameters.cellNumExecutionOrderNumbers)) {
                            drawList->AddCircleFilled(
                                {viewPos.x - 2.0f * fontSizeUnit, viewPos.y + 0.5f * fontSizeUnit}, fontSizeUnit / 5, ImColor::HSV(0.0f, 1.0f, 0.7f, 1.0f));
                        }
                        drawList->AddText(
                            StyleRepository::get().getMediumFont(),
                            fontSizeUnit,
                            {viewPos.x - 1.7f * fontSizeUnit, viewPos.y},
                            Const::CellFunctionOverlayShadowColor,
                            text.c_str());
                        drawList->AddText(
                            StyleRepository::get().getMediumFont(),
                            fontSizeUnit,
                            {viewPos.x - 1.7f * fontSizeUnit + 1, viewPos.y + 1},
                            Const::CellFunctionOverlayColor,
                            text.c_str());
                    }
                }
                {
                    auto viewPos =
                        Viewport::get().mapWorldToViewPosition({overlayElement.pos.x - 0.12f, overlayElement.pos.y - 0.25f}, parameters.borderlessRendering);
                    auto fontSize = Viewport::get().getZoomFactor() / 2;
                    drawList->AddText(
                        StyleRepository::get().getLargeFont(),
                        fontSize,