| 1 | #ifndef _DRAWING_H |
| 2 | #define _DRAWING_H |
| 3 | |
| 4 | #include <glib.h> |
| 5 | #include <gdk/gdk.h> |
| 6 | #include <gtk/gtk.h> |
| 7 | #include <ltt/ltt.h> |
| 8 | |
| 9 | /* This part of the viewer does : |
| 10 | * Draw horizontal lines, getting graphic context as arg. |
| 11 | * Copy region of the screen into another. |
| 12 | * Modify the boundaries to reflect a scale change. (resize) |
| 13 | * Refresh the physical screen with the pixmap |
| 14 | * A helper function is provided here to convert from time and process |
| 15 | * identifier to pixels and the contrary (will be useful for mouse selection). |
| 16 | */ |
| 17 | |
| 18 | typedef struct _Drawing_t Drawing_t; |
| 19 | |
| 20 | Drawing_t *Drawing_construct(void); |
| 21 | void Drawing_destroy(Drawing_t *Drawing); |
| 22 | |
| 23 | GtkWidget *Drawing_getWidget(Drawing_t *Drawing); |
| 24 | |
| 25 | //void Drawing_Refresh ( Drawing_t *Drawing, |
| 26 | // guint x, guint y, |
| 27 | // guint width, guint height); |
| 28 | |
| 29 | void Drawing_draw_line( Drawing_t *Drawing, |
| 30 | GdkPixmap *Pixmap, |
| 31 | guint x1, guint y1, |
| 32 | guint x2, guint y2, |
| 33 | GdkGC *GC); |
| 34 | |
| 35 | //void Drawing_copy( Drawing_t *Drawing, |
| 36 | // guint xsrc, guint ysrc, |
| 37 | // guint xdest, guint ydest, |
| 38 | // guint width, guint height); |
| 39 | |
| 40 | |
| 41 | //void Drawing_Resize(Drawing_t *Drawing, guint h, guint w); |
| 42 | |
| 43 | void convert_pixels_to_time( |
| 44 | Drawing_t *Drawing, |
| 45 | guint x, |
| 46 | LttTime *window_time_begin, |
| 47 | LttTime *window_time_end, |
| 48 | LttTime *begin); |
| 49 | |
| 50 | void convert_time_to_pixels( |
| 51 | LttTime window_time_begin, |
| 52 | LttTime window_time_end, |
| 53 | LttTime time, |
| 54 | Drawing_t *Drawing, |
| 55 | guint *x); |
| 56 | |
| 57 | #endif // _DRAWING_H |