subsurface/display.h
Linus Torvalds 50424df653 Use 'struct membuffer' for profile info string generation
The profile info was generated using nasty string concatenation that the
membuffers are much better at anyway.  And membuffers don't need those
arbitrarily sized fixed buffers (500 bytes? Why 500 bytes?).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2014-02-10 07:03:27 -08:00

72 lines
1.6 KiB
C

#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 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 zoomed_plot, 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