new stuff

core/src/gui/widgets/symbol_diagram.cpp

@@ -0,0 +1,42 @@
+#pragma once
+#include <gui/widgets/symbol_diagram.h>
+
+namespace ImGui {
+    SymbolDiagram::SymbolDiagram() {
+        memset(buffer, 0, 1024 * sizeof(float));
+    }
+
+    void SymbolDiagram::draw(const ImVec2& size_arg) {
+        std::lock_guard<std::mutex> lck(bufferMtx);
+        ImGuiWindow* window = GetCurrentWindow();
+        ImGuiStyle& style = GetStyle();
+        float pad = style.FramePadding.y;
+        ImVec2 min = window->DC.CursorPos;
+        ImVec2 size = CalcItemSize(size_arg, CalcItemWidth(), 100);
+        ImRect bb(min, ImVec2(min.x+size.x, min.y+size.y));
+        float lineHeight = size.y;
+
+        ItemSize(size, style.FramePadding.y);
+        if (!ItemAdd(bb, 0)) {
+            return;
+        }
+
+        window->DrawList->AddRectFilled(min, ImVec2(min.x+size.x, min.y+size.y), IM_COL32(0,0,0,255));
+        ImU32 col = ImGui::GetColorU32(ImGuiCol_CheckMark, 0.7f);
+        float increment = size.x / 1024.0f;
+        for (int i = 0; i < 1024; i++) {
+            if (buffer[i] > 1.0f || buffer[i] < -1.0f) { continue; }
+            window->DrawList->AddCircleFilled(ImVec2(((float)i * increment) + min.x, ((buffer[i] + 1) * (size.y*0.5f)) + min.y), 2, col);
+        }
+    }
+
+    float* SymbolDiagram::aquireBuffer() {
+        bufferMtx.lock();
+        return buffer;
+    }
+
+    void SymbolDiagram::releaseBuffer() {
+        bufferMtx.unlock();
+    }
+
+}

core/src/gui/widgets/symbol_diagram.h

@@ -0,0 +1,24 @@
+#pragma once
+
+#include <imgui.h>
+#include <imgui_internal.h>
+#include <dsp/stream.h>
+#include <mutex>
+
+namespace ImGui {
+    class SymbolDiagram {
+    public:
+        SymbolDiagram();
+
+        void draw(const ImVec2& size_arg = ImVec2(0, 0));
+
+        float* aquireBuffer();
+
+        void releaseBuffer();
+
+    private:
+        std::mutex bufferMtx;
+        float buffer[1024];
+
+    };
+}