subsurface/display.h
Danilo Cesar Lemes de Paula a8d33f80b0 implement device probe in C
It's an attempt to build auto-completion for the dive-computers
based on unpublished code inside libdivecomputer[1]

[1] -
http://git.libdivecomputer.org/?p=libdivecomputer.git;a=commitdiff;h=d44053a99435fb9fc1f408fb3f1629a54c938afc

Signed-off-by: Danilo Cesar Lemes de Paula <danilo.eu@gmail.com>
2013-09-16 22:40:47 -03:00

89 lines
2.4 KiB
C

#ifndef DISPLAY_H
#define DISPLAY_H
#ifdef __cplusplus
extern "C" {
#endif
#define SCALE_SCREEN 1.0
#define SCALE_PRINT (1.0 / get_screen_dpi())
extern void repaint_dive(void);
extern void do_print(void);
// Commented out because I don't know how to get the dpi on a paint device yet.
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;
};
/*
// I'm not sure if this is needed anymore - but keeping this here
// so I wont break stuff trying to redo the well.
*/
/*
* Cairo scaling really is horribly horribly mis-designed.
*
* Which is sad, because I really like Cairo otherwise. But
* the fact that the line width is scaled with the same scale
* as the coordinate system is a f*&%ing disaster. So we
* can't use it, and instead have this butt-ugly wrapper thing..
*/
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 void plot(struct graphics_context *gc, struct dive *dive, scale_mode_t scale);
extern struct divecomputer *select_dc(struct divecomputer *main);
extern void init_profile_background(struct graphics_context *gc);
extern void attach_tooltip(int x, int y, int w, int h, const char *text, struct event *event);
extern void get_plot_details(struct graphics_context *gc, int time, char *buf, int bufsize);
extern int x_to_time(double x);
extern int x_abs(double x);
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