ImGradient.h

// https://github.com/CedricGuillemet/ImGuizmo
// v1.91.3 WIP
//
// The MIT License(MIT)
//
// Copyright(c) 2021 Cedric Guillemet
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files(the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
#pragma once
#include <cstddef>

struct ImVec4;
struct ImVec2;

namespace ImGradient
{
   struct Delegate
   {
      virtual size_t GetPointCount() = 0;
      virtual ImVec4* GetPoints() = 0;
      virtual int EditPoint(int pointIndex, ImVec4 value) = 0;
      virtual ImVec4 GetPoint(float t) = 0;
      virtual void AddPoint(ImVec4 value) = 0;
      virtual ~Delegate() = default;
   };

   bool Edit(Delegate& delegate, const ImVec2& size, int& selection);
}