text.hpp

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// text.hpp
/*
  neogfx C++ GUI Library
  Copyright (c) 2015 Leigh Johnston.  All Rights Reserved.
  
  This program is free software: you can redistribute it and / or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once

#include <neogfx/neogfx.hpp>
#include <neogfx/gui/widget/i_widget.hpp>
#include <neogfx/gfx/text/font.hpp>
#include "shape.hpp"

namespace neogfx
{
    class text : public shape
    {
    public:
        text(i_shape_container& aContainer, const vec3& aPosition, const std::string& aText, const neogfx::font& aFont, const neogfx::text_appearance& aAppearance, neogfx::alignment aAlignment = alignment::Left);
    public:
        const std::string& value() const;
        void set_value(const std::string& aText);
        const neogfx::font& font() const;
        void set_font(const neogfx::font& aFont);
        const neogfx::text_appearance& appearance() const;
        void set_appearance(const neogfx::text_appearance& aAppearance);
        neogfx::alignment alignment() const;
        void set_alignment(neogfx::alignment aAlignment);
        const optional_dimension& border() const;
        void set_border(const optional_dimension& aBorder);
        const optional_margins& margins() const;
        void set_margins(const optional_margins& aMargins);
    public:
        vec3 extents() const override;
        rect bounding_box_2d(bool aWithPosition = true) const override;
    public:
        void paint(graphics_context& aGraphicsContext) const override;
    private:
        size text_extent() const;
    private:
        std::string iText;
        neogfx::font iFont;
        neogfx::text_appearance iAppearance;
        neogfx::alignment iAlignment;
        mutable optional_size iTextExtent;
        mutable glyph_text iGlyphTextCache;
        optional_dimension iBorder;
        optional_margins iMargins;
    };
}