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feat: add pie chart style #10

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feat: add pie chart style #10

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1b95bb2
feat: initial changes to support pies
CosminPerRam Dec 3, 2025
881a721
tidy stuff up
CosminPerRam Dec 3, 2025
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2 changes: 1 addition & 1 deletion include/Settings.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@ struct Settings
inline static const float PLOT_MIN_DELAY = IF_PLATFORM_WINDOWS(1.f, 0.01f);
inline static const float PLOT_MAX_DELAY = 500.f;

enum class PLOT_TYPES { BARS, LINES, HEATMAP };
enum class PLOT_TYPES { BARS, LINES, HEATMAP, PIE };
inline static PLOT_TYPES PLOT_TYPE = PLOT_TYPES::BARS;

inline static bool PLOT_SHOW_SCALE = true;
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30 changes: 27 additions & 3 deletions src/Interface.cpp
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Expand Up @@ -206,9 +206,9 @@ void Interface::draw(sf::RenderWindow& window) {
ImGui::Checkbox("Show scale", &Settings::PLOT_SHOW_SCALE);

static const std::pair<const char*, Settings::PLOT_TYPES> typeNames[] = { {"Bars", Settings::PLOT_TYPES::BARS}, {"Lines", Settings::PLOT_TYPES::LINES},
{"Heatmap", Settings::PLOT_TYPES::HEATMAP} };
{"Heatmap", Settings::PLOT_TYPES::HEATMAP}, {"Pie", Settings::PLOT_TYPES::PIE} };
static int typeChoosed = 0;
if (ImGui::SliderInt("Plot type", &typeChoosed, 0, 2, typeNames[typeChoosed].first))
if (ImGui::SliderInt("Plot type", &typeChoosed, 0, 3, typeNames[typeChoosed].first))
Settings::PLOT_TYPE = typeNames[typeChoosed].second;

ImGui::Separator();
Expand Down Expand Up @@ -374,7 +374,11 @@ void Interface::draw(sf::RenderWindow& window) {
ImGui::SameLine();
}

if (ImPlot::BeginPlot("##MainPlot", {-1, plotSizeHeight}, ImPlotFlags_NoMenus | ImPlotFlags_NoMouseText)) {
ImPlotFlags plotFlags = ImPlotFlags_NoMenus | ImPlotFlags_NoMouseText;
if (Settings::PLOT_TYPE == Settings::PLOT_TYPES::PIE)
plotFlags |= ImPlotFlags_NoLegend;

if (ImPlot::BeginPlot("##MainPlot", {-1, plotSizeHeight}, plotFlags)) {
static std::pair<unsigned, unsigned> gridSize;

if (!Settings::PLOT_SHOW_SCALE || Settings::PLOT_TYPE == Settings::PLOT_TYPES::HEATMAP)
Expand Down Expand Up @@ -408,6 +412,26 @@ void Interface::draw(sf::RenderWindow& window) {
ImPlot::PopStyleColor(); ImPlot::PopStyleColor(); ImPlot::PopStyleColor();
}
}
else if(Settings::PLOT_TYPE == Settings::PLOT_TYPES::PIE) {
ImPlot::SetupAxesLimits(0, 1, 0, 1, ImPlotCond_Always);

if(numbersSize > 0) {
static std::vector<std::string> labels(numbersSize);
static std::vector<const char*> labelsIds;

if(labelsIds.size() != numbersSize) {
labels.resize(numbersSize);
labelsIds.resize(numbersSize);

for(unsigned i = 0; i < numbersSize; ++i) {
labels[i] = std::to_string(i);
labelsIds[i] = labels[i].c_str();
}
}

ImPlot::PlotPieChart(labelsIds.data(), &numbers[0], numbersSize, 0.5, 0.5, 0.48, "%.0f");
}
}
else if(Settings::PLOT_TYPE == Settings::PLOT_TYPES::LINES) {
ImPlot::SetupAxesLimits(0, numbersSize - 1, 0, Settings::SHUFFLE_MAX_VALUE, ImPlotCond_Always);

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