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#ifndef DISPLAY_H
#define DISPLAY_H
#include <cairo.h>
extern void repaint_dive(void);
extern void do_print(void);
/*
* 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;
cairo_t *cr;
double maxx, maxy;
double leftx, rightx;
double topy, bottomy;
};
extern void plot(struct graphics_context *gc, int w, int h, struct dive *dive);
extern void set_source_rgb(struct graphics_context *gc, double r, double g, double b);
#endif
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