mirror of
https://github.com/love2d/love.git
synced 2026-08-16 00:02:12 +02:00
Sasha Szpakowski
98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/**
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* Copyright (c) 2006-2024 LOVE Development Team
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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#ifndef LOVE_FONT_BMFONT_RASTERIZER_H
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#define LOVE_FONT_BMFONT_RASTERIZER_H
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// LOVE
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#include "common/config.h"
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#include "Rasterizer.h"
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#include "image/ImageData.h"
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// C++
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#include <unordered_map>
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#include <vector>
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namespace love
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{
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namespace font
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{
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/**
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* Rasterizer for BMFont bitmap fonts.
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**/
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class BMFontRasterizer : public Rasterizer
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{
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public:
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BMFontRasterizer(love::filesystem::FileData *fontdef, const std::vector<image::ImageData *> &imagelist, float dpiscale);
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virtual ~BMFontRasterizer();
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// Implements Rasterizer.
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int getLineHeight() const override;
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int getGlyphSpacing(uint32 glyph) const override;
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int getGlyphIndex(uint32 glyph) const override;
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GlyphData *getGlyphDataForIndex(int index) const override;
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int getGlyphCount() const override;
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bool hasGlyph(uint32 glyph) const override;
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float getKerning(uint32 leftglyph, uint32 rightglyph) const override;
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DataType getDataType() const override;
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TextShaper *newTextShaper() override;
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static bool accepts(love::filesystem::FileData *fontdef);
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private:
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struct BMFontCharacter
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{
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int x;
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int y;
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int page;
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GlyphMetrics metrics;
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uint32 glyph;
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};
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void parseConfig(const std::string &config);
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std::string fontFolder;
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// Image pages, indexed by their page id.
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std::unordered_map<int, StrongRef<image::ImageData>> images;
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std::vector<BMFontCharacter> characters;
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// Glyph character indices, indexed by their glyph id.
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std::unordered_map<uint32, int> characterIndices;
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// Kerning information, indexed by two (packed) characters.
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std::unordered_map<uint64, int> kerning;
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int fontSize;
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bool unicode;
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int lineHeight;
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}; // BMFontRasterizer
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} // font
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} // love
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#endif // LOVE_FONT_BMFONT_RASTERIZER_H
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