Let us start here, from square one. No, from Zero!

2022-09-30 22:45:51 +09:00
parent 14215af0d1
commit b7a60638a4
1005 changed files with 303069 additions and 0 deletions
@@ -0,0 +1,44 @@
+#include "extensions.h"
+#include <cmath>
+
+#include "external/imgui/imgui.h"
+
+
+namespace ImGui {
+
+    void HelpMarker(const char* desc) {
+        ImGui::TextDisabled("(?)");
+        if (ImGui::IsItemHovered())
+        {
+            ImGui::BeginTooltip();
+            ImGui::PushTextWrapPos(ImGui::GetFontSize() * 35.0f);
+            ImGui::TextUnformatted(desc);
+            ImGui::PopTextWrapPos();
+            ImGui::EndTooltip();
+        }
+    }
+
+    void Knob(float fraction, float size, float thickness, float pos_x, float pos_y) {
+
+        // get values
+        auto radius = size * 0.5f;
+        auto pos = ImGui::GetCursorScreenPos();
+        if (pos_x >= 0) pos.x = pos_x;
+        if (pos_y >= 0) pos.y = pos_y;
+        auto center = ImVec2(pos.x + radius, pos.y + radius);
+        auto draw_list = ImGui::GetWindowDrawList();
+
+        // dummy for spacing knob with other content
+        if (pos_x < 0 && pos_y < 0) {
+            ImGui::Dummy(ImVec2(size, size));
+        }
+
+        // draw knob
+        auto angle = (fraction + 0.25f) * (3.141592f * 2);
+        draw_list->AddCircleFilled(center, radius, ImGui::GetColorU32(ImGuiCol_FrameBg), 16);
+        draw_list->AddLine(center,
+                ImVec2(center.x + cosf(angle) * radius, center.y + sinf(angle) * radius),
+                ImGui::GetColorU32(ImGuiCol_PlotHistogram),
+                thickness);
+    }
+}