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#ifndef DISPLAY_H
#define DISPLAY_H
#ifdef __cplusplus
extern "C" {
#endif
struct membuffer;
#define SCALE_SCREEN 1.0
#define SCALE_PRINT (1.0 / get_screen_dpi())
extern double get_screen_dpi(void);
/* Plot info with smoothing, velocity indication
* and one-, two- and three-minute minimums and maximums */
struct plot_info {
int nr;
int maxtime;
int meandepth, maxdepth;
int minpressure, maxpressure;
int minhr, maxhr;
int mintemp, maxtemp;
double endtempcoord;
double maxpp;
bool has_ndl;
struct plot_data *entry;
};
/*
* handy datastructure to keep all of our scaling data in one place
*/
struct graphics_context {
int printer;
double maxx, maxy;
double leftx, rightx;
double topy, bottomy;
unsigned int maxtime;
struct plot_info pi;
};
typedef enum { SC_SCREEN, SC_PRINT } scale_mode_t;
extern struct divecomputer *select_dc(struct divecomputer *main);
extern void get_plot_details(struct graphics_context *gc, int time, struct membuffer *mb);
struct options {
enum { PRETTY, TABLE, TWOPERPAGE } type;
int print_selected;
int color_selected;
bool notes_up;
int profile_height, notes_height, tanks_height;
};
extern char dc_number;
extern unsigned int amount_selected;
extern int is_default_dive_computer_device(const char *);
extern int is_default_dive_computer(const char *, const char *);
typedef void (*device_callback_t) (const char *name, void *userdata);
int enumerate_devices (device_callback_t callback, void *userdata);
extern const char *default_dive_computer_vendor;
extern const char *default_dive_computer_product;
extern const char *default_dive_computer_device;
#ifdef __cplusplus
}
#endif
#endif // DISPLAY_H
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