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104 lines
2.8 KiB
104 lines
2.8 KiB
13 years ago
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#ifndef Magnum_Text_AbstractFont_h
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#define Magnum_Text_AbstractFont_h
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/*
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Copyright © 2010, 2011, 2012 Vladimír Vondruš <mosra@centrum.cz>
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This file is part of Magnum.
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Magnum is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License version 3
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only, as published by the Free Software Foundation.
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Magnum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License version 3 for more details.
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*/
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/** @file
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* @brief Class Magnum::Text::AbstractFont, Magnum::Text::AbstractLayouter
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*/
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#include <tuple>
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#include <string>
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#include "Magnum.h"
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#include "Texture.h"
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#include "Text/Text.h"
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#include "Text/magnumTextVisibility.h"
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namespace Magnum { namespace Text {
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/**
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@brief Base for fonts
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*/
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class MAGNUM_TEXT_EXPORT AbstractFont {
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AbstractFont(const AbstractFont&) = delete;
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AbstractFont(AbstractFont&&) = delete;
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AbstractFont& operator=(const AbstractFont&) = delete;
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AbstractFont& operator=(const AbstractFont&&) = delete;
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public:
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AbstractFont();
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virtual ~AbstractFont() = 0;
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/** @brief %Font texture atlas */
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inline Texture2D& texture() { return _texture; }
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/**
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* @brief Layout the text using fon't own layouter
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* @param size %Font size
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* @param text Text to layout
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*/
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virtual AbstractLayouter* layout(const Float size, const std::string& text) = 0;
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#ifdef DOXYGEN_GENERATING_OUTPUT
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private:
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#else
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protected:
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#endif
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Texture2D _texture;
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};
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/**
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@brief Base for text layouters
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Returned by AbstractFont::layout().
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*/
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class MAGNUM_TEXT_EXPORT AbstractLayouter {
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AbstractLayouter(const AbstractLayouter&) = delete;
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AbstractLayouter(AbstractLayouter&&) = delete;
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AbstractLayouter& operator=(const AbstractLayouter&) = delete;
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AbstractLayouter& operator=(const AbstractLayouter&&) = delete;
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public:
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AbstractLayouter();
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virtual ~AbstractLayouter() = 0;
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/** @brief Count of glyphs in laid out text */
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inline UnsignedInt glyphCount() const {
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return _glyphCount;
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}
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/**
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* @brief Render glyph
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* @param i Glyph index
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* @param cursorPosition Cursor position
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*
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* Returns quad position, texture coordinates and advance to next
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* glyph.
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*/
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virtual std::tuple<Rectangle, Rectangle, Vector2> renderGlyph(const Vector2& cursorPosition, const UnsignedInt i) = 0;
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#ifdef DOXYGEN_GENERATING_OUTPUT
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private:
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#else
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protected:
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#endif
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UnsignedInt _glyphCount;
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};
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}}
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#endif
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