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Revision 319

documented font. also changed a bit the timer

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font.h
2 2
#define FONT_H_INCLUDED
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struct font;
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/**
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 * @brief Font. Represents a set of glyphs that can be drawn for showing text.
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 */
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typedef struct font font_t;
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/**
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 * @brief Construct font.
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 *
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 * The font is constructed from a provided path. That path is required to
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 * contain glyphs with the name "ascii???.xpm2", files with format XPM2 where
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 * instead of having "???" we have 3-digit ASCII codes, where the glyph with
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 * that name map to that XPM2 file.
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 * @param   s   Path to directory
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 * @return      Pointer to font
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 */
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font_t* (font_ctor)(const char *s);
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int     (font_dtor)(font_t *p);
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/**
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 * @brief Destruct font.
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 * @param   p   Pointer to font to be destroyed
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 */
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void    (font_dtor)(font_t *p);
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/**
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 * @brief Initialize font stuff.
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 *
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 * More specifically, this involves loading the default font, which is currently consolas.
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 * @return  SUCCESS if initialization was successful, false otherwise
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 */
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int (font_init)(void);
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/**
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 * @brief Get default font.
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 *
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 * Currently, the default font is Consolas.
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 * @return  Pointer to default font
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 */
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const font_t* font_get_default(void);
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/**
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 * @brief Get Consolas font.
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 * @return Pointer to Consolas font
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 */
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const font_t* font_get_consolas(void);
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int (font_free)(void);
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/**
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 * @brief Free resources used on initialization of fonts.
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 */
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void (font_free)(void);
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/**
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 * @brief Enumeration of vertical alignment schemes.
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 */
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typedef enum{
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    text_valign_top    = -1,
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    text_valign_center =  0,
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    text_valign_bottom =  1
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} text_valign;
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/**
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 * @brief Enumeration of horizontal alignment schemes.
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 */
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typedef enum{
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    text_halign_left   = -1,
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    text_halign_center =  0,
......
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} text_halign;
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struct text;
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/**
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 * @brief Drawable text.
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 */
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typedef struct text text_t;
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/**
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 * @brief Construct text.
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 * @param   fnt Font to draw the text
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 * @param   txt String to be drawn
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 * @return      Pointer to constructed text
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 */
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text_t* (text_ctor)(const font_t *fnt, const char *txt);
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/**
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 * @brief Destruct text.
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 * @param   p   Pointer to text to be destroyed
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 */
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void    (text_dtor)(text_t *p);
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char* (text_get_string)(const text_t *p);
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/**
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 * @brief Set text string.
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 * @param   p   Pointer to text
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 * @param   txt String to be set
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 */
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void (text_set_string)(text_t *p, const char *txt);
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/**
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 * @brief Set text position.
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 * @param   p   Pointer to text
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 * @param   x   X-position of the text
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 * @param   y   Y-position of the text
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 */
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void (text_set_pos)   (text_t *p, int16_t x, int16_t y);
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/**
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 * @brief Set text size (letter size).
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 * @param   p       Pointer to text
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 * @param   size    Letter size of the text
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 */
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void (text_set_size)  (text_t *p, unsigned size);
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/**
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 * @brief Set text color.
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 * @param   p       Pointer to text
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 * @param   color   Text color
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 */
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void (text_set_color) (text_t *p, uint32_t color);
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/**
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 * @brief Set text vertical alignment.
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 * @param   p       Pointer to text
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 * @param   valign  Vertical alignment of the text
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 */
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void (text_set_valign)(text_t *p, text_valign valign);
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/**
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 * @brief Set text horizontal alignment.
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 * @param   p       Pointer to text
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 * @param   halign  Horizontal alignment of the text
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 */
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void (text_set_halign)(text_t *p, text_halign halign);
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/**
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 * @brief Get string of the text.
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 * @param   p       Pointer to text
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 * @return  Pointer to string
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 */
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const char* (text_get_string)(const text_t *p);
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/**
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 * @brief Get text x-position.
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 * @param   p   Pointer to text
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 * @return      X-position of text
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 */
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int16_t (text_get_x)  (const text_t *p);
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/**
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 * @brief Get text y-position.
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 * @param   p   Pointer to text
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 * @return      Y-position of text
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 */
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int16_t (text_get_y)  (const text_t *p);
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/**
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 * @brief Draw text on the screen buffer.
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 * @param   p   Pointer to text
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 * @return      SUCCESS if operation was successful, false otherwise
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 */
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int     (text_draw)   (const text_t *p);
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#endif //FONT_H_INCLUDED

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