color.h

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#ifndef YAZE_GUI_COLOR_H
#define YAZE_GUI_COLOR_H
 
#if defined(__clang__)
#include <format>
#endif
#include <string>
 
#include "absl/status/status.h"
#include "app/gfx/snes_palette.h"
#include "imgui/imgui.h"
 
namespace yaze {
namespace gui {
 
struct Color {
  float red;
  float blue;
  float green;
  float alpha;
};
 
inline ImVec4 ConvertColorToImVec4(const Color &color) {
  return ImVec4(color.red, color.green, color.blue, color.alpha);
}
 
inline std::string ColorToHexString(const Color &color) {
#if defined(__clang__)
  return std::format(
      "{:02X}{:02X}{:02X}{:02X}", static_cast<int>(color.red * 255),
      static_cast<int>(color.green * 255), static_cast<int>(color.blue * 255),
      static_cast<int>(color.alpha * 255));
#else
  return absl::StrFormat("%02X%02X%02X%02X", static_cast<int>(color.red * 255),
                         static_cast<int>(color.green * 255),
                         static_cast<int>(color.blue * 255),
                         static_cast<int>(color.alpha * 255));
#endif
}
 
// A utility function to convert an SnesColor object to an ImVec4 with
// normalized color values
ImVec4 ConvertSnesColorToImVec4(const gfx::SnesColor &color);
 
// A utility function to convert an ImVec4 to an SnesColor object
gfx::SnesColor ConvertImVec4ToSnesColor(const ImVec4 &color);
 
// The wrapper function for ImGui::ColorButton that takes a SnesColor reference
IMGUI_API bool SnesColorButton(absl::string_view id, gfx::SnesColor &color,
                               ImGuiColorEditFlags flags = 0,
                               const ImVec2 &size_arg = ImVec2(0, 0));
 
IMGUI_API bool SnesColorEdit4(absl::string_view label, gfx::SnesColor *color,
                              ImGuiColorEditFlags flags = 0);
 
absl::Status DisplayPalette(gfx::SnesPalette &palette, bool loaded);
 
absl::Status DisplayEditablePalette(gfx::SnesPalette &palette,
                                    const std::string &title = "",
                                    bool show_color_picker = false,
                                    int colors_per_row = 8,
                                    ImGuiColorEditFlags flags = 0);
 
void SelectablePalettePipeline(uint64_t &palette_id, bool &refresh_graphics,
                               gfx::SnesPalette &palette);
 
}  // namespace gui
}  // namespace yaze
 
#endif