Bitmap.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "TextureFormat.hpp"
 
#include "CeresEngine/DataTypes.hpp"
 
#include "CeresEngine/Foundation/Poly.hpp"
#include "CeresEngine/Foundation/Container/MemoryView.hpp"
#include "CeresEngine/Foundation/Container/Vector.hpp"
 
#include "CeresEngine/Math/Extent.hpp"
#include "CeresEngine/Reflection/IReflectable.hpp"
 
namespace CeresEngine {
 
    using BitmapExtent = TExtent3<UInt32>;
 
    using BitmapData = MemoryView<const Byte>;
 
    class Bitmap {
        CE_META_CLASS_FRIEND(Bitmap);
 
    private:
        Format mFormat = Format::RGBA8UInt;
 
        BitmapExtent mExtents;
 
        Vector<Byte> mData;
 
    public:
        Bitmap(const BitmapExtent& extents, const Format format = Format::RGBA8UInt)
                : mFormat(format), mExtents(extents), mData(extents.width * extents.height * extents.depth * 4) {
            // TODO: Multiply by the format size!
        }
 
        Bitmap(UInt32 width, const Format format = Format::RGBA8UInt) : Bitmap({width, 1, 1}, format) {}
        Bitmap(UInt32 width, UInt32 height, const Format format = Format::RGBA8UInt) : Bitmap({width, height, 1}, format) {}
        Bitmap(UInt32 width, UInt32 height, UInt32 depth, const Format format = Format::RGBA8UInt) : Bitmap({width, height, depth}, format) {}
 
    public:
        [[nodiscard]] const Format& getFormat() const noexcept { return mFormat; }
 
        [[nodiscard]] const BitmapExtent& getExtents() const noexcept { return mExtents; }
 
        [[nodiscard]] BitmapData getData() const noexcept { return mData; }
 
        void copyData(const Byte* const source, const size_t length) { memcpy(mData.data(), source, std::min(length, mData.size())); }
 
        [[nodiscard]] ByteMemoryView getByteData() const {
            return make_memory_view<Byte>(const_cast<Byte*>(mData.data()), mData.size());
        }
 
        void setByteData(const ByteMemoryView& data) {
            copyData(data.data(), data.size());
        }
    };
 
} // namespace CeresEngine