TextLayout.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 "CeresEngine/DataTypes.hpp"
 
#include "CeresEngine/Foundation/Container/Vector.hpp"
 
#include "CeresEngine/Math/Color.hpp"
#include "CeresEngine/Math/Rect.hpp"
 
namespace CeresEngine {
 
    using Glyph = UInt32;
 
    enum class LineBreakMode {
        ByWordWrapping,
 
        ByCharWrapping,
 
        ByClipping,
 
        ByTruncatingHead,
 
        ByTruncatingTail,
 
        ByTruncatingMiddle,
    };
 
    struct TextContainer {
        Rect2 rect;
 
        Rect2 usedRect;
 
        LineBreakMode lineBreakMode = LineBreakMode::ByWordWrapping;
 
        UInt32 maximumNumberOfLines = 0;
 
        double lineFragmentPadding = 5.0;
    };
 
    struct GlyphLayout {
        Glyph glyph;
 
        Point2 pen;
 
        Rect2 bounds;
 
        UInt32 textureIdx = 0;
 
        Rect2 uv;
 
        Color color;
    };
 
    struct TextLayout {
        TextContainer& container;
 
        UInt32 offset;
 
        Vector<GlyphLayout> glyphs;
 
        TextLayout(TextContainer& container);
    };
 
} // namespace CeresEngine