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/* Copyright 2007, 2008 Peter Klausler. See COPYING for license. */
#ifndef DISPLAY_H
#define DISPLAY_H
struct display;
typedef unsigned rgba_t;
#define DEFAULT_FGRGBA 0xff
#define DEFAULT_BGRGBA (~0)
struct display *display_init(void);
void display_reset(struct display *);
void display_end(struct display *);
void display_get_geometry(struct display *, unsigned *rows, unsigned *columns);
void display_title(struct display *, const char *);
void display_cursor(struct display *, unsigned row, unsigned column);
void display_put(struct display *, unsigned row, unsigned column,
Unicode_t unicode, rgba_t fgRGBA, rgba_t bgRGBA);
void display_erase(struct display *, unsigned row, unsigned column,
unsigned rows, unsigned columns,
rgba_t fgRGBA, rgba_t bgRGBA);
void display_beep(struct display *);
void display_sync(struct display *);
/* display_getch() implies a display_sync().
*
* Once ERROR_CHANGED is returned after a window size change,
* it will continue to be returned until display_get_geometry() is called
*/
Unicode_t display_getch(struct display *, Boolean_t block);
/* hints */
void display_insert_spaces(struct display *, unsigned row, unsigned column,
unsigned spaces, unsigned columns,
rgba_t fgRGBA, rgba_t bgRGBA);
void display_delete_chars(struct display *, unsigned row, unsigned column,
unsigned chars, unsigned columns,
rgba_t fgRGBA, rgba_t bgRGBA);
void display_insert_lines(struct display *, unsigned row, unsigned column,
unsigned lines, unsigned rows, unsigned columns,
rgba_t fgRGBA, rgba_t bgRGBA);
void display_delete_lines(struct display *, unsigned row, unsigned column,
unsigned lines, unsigned rows, unsigned columns,
rgba_t fgRGBA, rgba_t bgRGBA);
#endif
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