refactor: Rework features that use external libraries into optional plugins (#1470)

plugins/visualizers/source/content/pl_visualizers/line_plot.cpp

@@ -0,0 +1,30 @@
+#include <hex/helpers/utils.hpp>
+
+#include <content/visualizer_helpers.hpp>
+
+#include <implot.h>
+#include <imgui.h>
+
+#include <hex/ui/imgui_imhex_extensions.h>
+
+namespace hex::plugin::visualizers {
+
+    void drawLinePlotVisualizer(pl::ptrn::Pattern &, pl::ptrn::IIterable &, bool shouldReset, std::span<const pl::core::Token::Literal> arguments) {
+        static std::vector<float> values;
+        auto dataPattern = arguments[0].toPattern();
+
+        if (ImPlot::BeginPlot("##plot", ImVec2(400, 250), ImPlotFlags_CanvasOnly)) {
+            ImPlot::SetupAxes("X", "Y", ImPlotAxisFlags_AutoFit, ImPlotAxisFlags_AutoFit);
+
+            if (shouldReset) {
+                values.clear();
+                values = sampleData(patternToArray<float>(dataPattern.get()), ImPlot::GetPlotSize().x * 4);
+            }
+
+            ImPlot::PlotLine("##line", values.data(), values.size());
+
+            ImPlot::EndPlot();
+        }
+    }
+
+}