BackgroundImage.h

/*
 * AUI Framework - Declarative UI toolkit for modern C++20
 * Copyright (C) 2020-2025 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 alex2 on 3.12.2020.
//
 
#pragma once
 
#include <AUI/Render/IRenderer.h>
#include <AUI/Common/IStringable.h>
#include "IProperty.h"
 
namespace ass {
enum class Sizing {
   NONE,

   FIT,

   CENTER,

   TILE,

   FIT_PADDING,

   COVER,

   CONTAIN,

   CONTAIN_PADDING,

   SPLIT_2X2,

   CROPPED,
};

struct BackgroundImage {
   unset_wrap<std::variant<AString, _<IDrawable>>> image;

   unset_wrap<AColor> overlayColor;

   unset_wrap<Repeat> rep;

   unset_wrap<Sizing> sizing;

   unset_wrap<glm::vec2> scale;

   unset_wrap<float> dpiMargin;
 
   BackgroundImage() {}
 
   BackgroundImage(std::nullptr_t) : image("") {}
 
   BackgroundImage(
       const unset_wrap<std::variant<AString, _<IDrawable>>>& url, const unset_wrap<AColor>& overlayColor = {},
       const unset_wrap<Repeat>& rep = {}, const unset_wrap<Sizing>& sizing = {}, const unset_wrap<glm::vec2>& scale = {},
       const unset_wrap<float>& dpiMargin = {})
     : image(url), overlayColor(overlayColor), rep(rep), sizing(sizing), scale(scale), dpiMargin(dpiMargin) {}
};
 
namespace prop {
template <>
struct API_AUI_VIEWS Property<BackgroundImage> : IPropertyBase, IStringable {
private:
   BackgroundImage mInfo;
 
public:
   Property(const BackgroundImage& info) : mInfo(info) {}
 
   void applyFor(AView* view) override;
   void renderFor(AView* view, const ARenderContext& ctx) override;
 
   PropertySlot getPropertySlot() const override;
 
   [[nodiscard]]
   const auto& value() const noexcept {
       return mInfo;
   }
 
   AString toString() const override;
 
   static void
   draw(const ARenderContext& ctx, AView* view, const _<IDrawable>& drawable, const ass::BackgroundImage& info);
};
 
}   // namespace prop
}   // namespace ass
 
AUI_ENUM_VALUES(
   ass::Sizing, ass::Sizing::NONE, ass::Sizing::FIT, ass::Sizing::CENTER, ass::Sizing::FIT_PADDING, ass::Sizing::COVER,
   ass::Sizing::CONTAIN, ass::Sizing::SPLIT_2X2, ass::Sizing::CROPPED)

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