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Font and text layouting is now abstracted out from its implementation. Font class is renamed to FreeTypeFont and all the work can be done through AbstractFont and AbstractLayouter interface.pull/278/head
Vladimír Vondruš
13 years ago
8 changed files with 249 additions and 177 deletions
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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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#include "Text/AbstractFont.h" |
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namespace Magnum { namespace Text { |
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AbstractFont::AbstractFont() {} |
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AbstractFont::~AbstractFont() {} |
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AbstractLayouter::AbstractLayouter(): _glyphCount(0) {} |
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AbstractLayouter::~AbstractLayouter() {} |
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}} |
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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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|
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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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