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64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/*
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* CBitmapFont.h, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#pragma once
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#include "../render/IFont.h"
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#include "../../lib/Rect.h"
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VCMI_LIB_NAMESPACE_BEGIN
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class ResourcePath;
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VCMI_LIB_NAMESPACE_END
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class CBitmapFont final : public IFont
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{
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SDL_Surface * atlasImage;
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using CodePoint = uint32_t;
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struct EntryFNT
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{
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int32_t leftOffset;
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uint32_t width;
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uint32_t height;
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int32_t rightOffset;
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std::vector<uint8_t> pixels;
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};
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struct BitmapChar
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{
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Rect positionInAtlas;
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int32_t leftOffset;
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int32_t rightOffset;
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};
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std::unordered_map<CodePoint, BitmapChar> chars;
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uint32_t maxHeight;
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void loadModFont(const std::string & modName, const ResourcePath & resource, std::unordered_map<CodePoint, EntryFNT> & loadedChars);
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void renderCharacter(SDL_Surface * surface, const BitmapChar & character, const ColorRGBA & color, int &posX, int &posY) const;
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void renderText(SDL_Surface * surface, const std::string & data, const ColorRGBA & color, const Point & pos) const override;
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public:
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explicit CBitmapFont(const std::string & filename);
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~CBitmapFont();
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size_t getLineHeight() const override;
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size_t getGlyphWidth(const char * data) const override;
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/// returns true if this font contains provided utf-8 character
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bool canRepresentCharacter(const char * data) const;
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bool canRepresentString(const std::string & data) const;
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friend class CBitmapHanFont;
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friend class CTrueTypeFont;
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};
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