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57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/*
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* IFont.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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VCMI_LIB_NAMESPACE_BEGIN
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class Point;
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class ColorRGBA;
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VCMI_LIB_NAMESPACE_END
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struct SDL_Surface;
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class IFont
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{
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protected:
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/// Internal function to render font, see renderTextLeft
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virtual void renderText(SDL_Surface * surface, const std::string & data, const ColorRGBA & color, const Point & pos) const = 0;
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public:
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virtual ~IFont()
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{}
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/// Returns height of font
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virtual size_t getLineHeight() const = 0;
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/// Returns width, in pixels of a character glyph. Pointer must contain at least characterSize valid bytes
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virtual size_t getGlyphWidth(const char * data) const = 0;
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/// Return width of the string
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virtual size_t getStringWidth(const std::string & data) const;
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/**
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* @param surface - destination to print text on
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* @param data - string to print
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* @param color - font color
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* @param pos - position of rendered font
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*/
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/// pos = topleft corner of the text
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void renderTextLeft(SDL_Surface * surface, const std::string & data, const ColorRGBA & color, const Point & pos) const;
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/// pos = center of the text
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void renderTextRight(SDL_Surface * surface, const std::string & data, const ColorRGBA & color, const Point & pos) const;
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/// pos = bottomright corner of the text
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void renderTextCenter(SDL_Surface * surface, const std::string & data, const ColorRGBA & color, const Point & pos) const;
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/// pos = topleft corner of the text
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void renderTextLinesLeft(SDL_Surface * surface, const std::vector<std::string> & data, const ColorRGBA & color, const Point & pos) const;
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/// pos = center of the text
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void renderTextLinesRight(SDL_Surface * surface, const std::vector<std::string> & data, const ColorRGBA & color, const Point & pos) const;
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/// pos = bottomright corner of the text
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void renderTextLinesCenter(SDL_Surface * surface, const std::vector<std::string> & data, const ColorRGBA & color, const Point & pos) const;
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};
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