Font(const std::string& file, const std::string& shadowfile,
int w, int h, int shadowsize = 2);
~Font();
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/** returns the width of a given text. (Note that I won't add a normal
* get_width function here, as we might switch to variable width fonts in the
* future.)
* Supports breaklines.
*/
float get_text_width(const std::string& text) const;
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/** returns the height of a given text. This function supports breaklines.
* In case, you are positive that your text doesn't use break lines, you can
* just use get_height().
float get_text_height(const std::string& text) const;
/// returns the height of the font.
float get_height() const;
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/**
* returns the given string, truncated (preferrably at whitespace) to be at most max_width pixels long
*/
* returns the given string, truncated (preferrably at whitespace) to be at most max_chars characters long
*/
static std::string wrap_to_chars(const std::string& text, int max_chars, std::string* overflow);
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/** Draws the given text to the screen. Also needs the position.
* Type of alignment, drawing effect and alpha are optional. */
void draw(const std::string& text, const Vector& pos,
FontAlignment allignment = LEFT_ALLIGN,
DrawingEffect drawing_effect = NO_EFFECT,
float alpha = 1.0f) const;
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private:
friend class DrawingContext;
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void draw_text(const std::string& text, const Vector& pos,
DrawingEffect drawing_effect = NO_EFFECT,
float alpha = 1.0f) const;
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void draw_chars(Surface* pchars, const std::string& text,
const Vector& position, DrawingEffect drawing_effect,
float alpha) const;
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Surface* chars;
Surface* shadow_chars;
int w;
int h;
int shadowsize;
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/// the number of the first character that is represented in the font
uint32_t first_char;
/// the number of the last character that is represented in the font