1 files changed, 38 insertions, 0 deletions
diff --git a/tangle/util/colormap.h b/tangle/util/colormap.h
new file mode 100644
index 0000000..c01cea8
--- /dev/null
+++ b/tangle/util/colormap.h
@@ -0,0 +1,38 @@
+#pragma once
+#include "assets.h"
+#include "texture.h"
+
+#include <imgui.h>
+#include <imgui-SFML.h>
+#include <SFML/Graphics.hpp>
+
+struct ColorPalette {
+  const assets::File* current;
+  sf::Texture texture;
+
+  ColorPalette(cudaSurfaceObject_t& palette) {
+    current = &assets::palette::files[5];
+    texture.loadFromMemory(current->data, current->size);
+    palette = bindTextureToCuda(texture);
+  }
+
+  void interact();
+};
+
+void ColorPalette::interact() {
+  if (ImGui::BeginCombo("Color palette", current->name.c_str())) {
+    for (unsigned i=0; i < assets::palette::file_count; ++i) {
+      bool is_selected = (current == &assets::palette::files[i]);
+      if (ImGui::Selectable(assets::palette::files[i].name.c_str(), is_selected)) {
+        current = &assets::palette::files[i];
+        texture.loadFromMemory(current->data, current->size);
+        break;
+      }
+      if (is_selected) {
+        ImGui::SetItemDefaultFocus();
+      }
+    }
+    ImGui::EndCombo();
+  }
+  ImGui::Image(texture, sf::Vector2f(400.,40.));
+}