| 28 | } |
| 29 | |
| 30 | void VisualiserView::drawContent() |
| 31 | { |
| 32 | const auto& diskLayout = Datastore::getDiskLayout(); |
| 33 | const auto& disk = Datastore::getDisk(); |
| 34 | |
| 35 | ImDrawList* drawList = ImGui::GetWindowDrawList(); |
| 36 | auto pos = ImGui::GetCursorScreenPos(); |
| 37 | auto size = ImGui::GetContentRegionAvail(); |
| 38 | auto padding = ImGui::GetStyle().WindowPadding; |
| 39 | uint32_t fg = ImGui::GetColorU32(ImGuiCol_Text); |
| 40 | uint32_t bg = ImGui::GetColorU32(ImGuiCol_WindowBg); |
| 41 | uint32_t diskbg = ImGui::GetColorU32(ImGuiCol_FrameBg); |
| 42 | |
| 43 | ImVec2 centre(pos.x + size.x / 2, pos.y + size.y / 2); |
| 44 | float outerRadius = (size.x - padding.x * 2) / 2; |
| 45 | ImVec2 side0pos(centre.x, centre.y - outerRadius - padding.y); |
| 46 | ImVec2 side1pos(centre.x, centre.y + outerRadius + padding.y); |
| 47 | |
| 48 | bool badData = false; |
| 49 | |
| 50 | auto drawCentered = |
| 51 | [&](const ImVec2& pos, uint32_t colour, const std::string& s) |
| 52 | { |
| 53 | auto size = ImGui::CalcTextSize(s.c_str()); |
| 54 | drawList->AddText({pos.x - size.x / 2, pos.y - size.y / 2}, |
| 55 | colour, |
| 56 | &*s.begin(), |
| 57 | &*s.end()); |
| 58 | }; |
| 59 | |
| 60 | auto drawSide = [&](int head, ImVec2 pos) |
| 61 | { |
| 62 | drawList->AddCircleFilled(pos, outerRadius, diskbg, 0); |
| 63 | drawList->AddCircleFilled(pos, INNER_RADIUS, bg, 0); |
| 64 | drawList->AddCircle(pos, outerRadius, fg, 0); |
| 65 | drawList->AddCircle(pos, INNER_RADIUS, fg, 0); |
| 66 | drawCentered(pos, fg, fmt::format("h{}", head)); |
| 67 | |
| 68 | if (!diskLayout || !disk) |
| 69 | return; |
| 70 | |
| 71 | int numPhysicalTracks = |
| 72 | diskLayout->maxPhysicalCylinder - diskLayout->minPhysicalCylinder; |
| 73 | float trackSpacing = (float)(outerRadius - INNER_RADIUS) / |
| 74 | (float)(numPhysicalTracks + 2); |
| 75 | |
| 76 | for (const auto& [ch, track] : disk->tracksByPhysicalLocation) |
| 77 | { |
| 78 | if (ch.head != head) |
| 79 | continue; |
| 80 | if (!track->fluxmap) |
| 81 | continue; |
| 82 | |
| 83 | const auto& indexMarks = track->fluxmap->getIndexMarks(); |
| 84 | nanoseconds_t rotationalPeriod; |
| 85 | if (indexMarks.empty()) |
| 86 | { |
| 87 | badData = true; |