ABrush.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2024 Alex2772 and Contributors
 *
 * SPDX-License-Identifier: MPL-2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 */
 
//
// Created by Alex2772 on 11/18/2021.
//
 
#pragma once
 
 
#include <span>
#include <variant>
#include <AUI/Common/AColor.h>
#include <AUI/Common/ASmallVector.h>
#include <AUI/Enum/Repeat.h>
#include "AUI/Enum/ImageRendering.h"
#include "AUI/Util/AAngleRadians.h"
#include "AUI/Traits/values.h"
 
 
struct ASolidBrush {
    AColor solidColor = AColor::WHITE;
};
 
 
struct ACustomShaderBrush {
 
};
 
 
struct ALinearGradientBrush {
    struct ColorEntry {
        aui::float_within_0_1 position;
        AColor color;
    };
    AVector<ColorEntry> colors;
 
    AAngleRadians rotation = 180_deg;
};
 
class ITexture;
 
struct ATexturedBrush {
    _<ITexture> texture;
 
    AOptional<glm::vec2> uv1;
 
    AOptional<glm::vec2> uv2;
 
    ImageRendering imageRendering = ImageRendering::PIXELATED;
 
    Repeat repeat = Repeat::NONE;
};
 
 
using ABrush = std::variant<ASolidBrush,
                            ALinearGradientBrush,
                            ATexturedBrush,
                            ACustomShaderBrush>;