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1 | #ifndef _DRAWING_H |
2 | #define _DRAWING_H |
3 | |
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4 | #include <glib.h> |
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5 | #include <gdk/gdk.h> |
6 | #include <gtk/gtk.h> |
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7 | #include <ltt/ltt.h> |
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8 | |
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9 | /* This part of the viewer does : |
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10 | * Draw horizontal lines, getting graphic context as arg. |
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11 | * Copy region of the screen into another. |
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12 | * Modify the boundaries to reflect a scale change. (resize) |
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13 | * Refresh the physical screen with the pixmap |
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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 | */ |
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17 | |
18 | typedef struct _Drawing_t Drawing_t; |
19 | |
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20 | Drawing_t *Drawing_construct(void); |
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21 | void Drawing_destroy(Drawing_t *Drawing); |
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22 | |
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23 | GtkWidget *Drawing_getWidget(Drawing_t *Drawing); |
24 | |
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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, |
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33 | GdkGC *GC); |
34 | |
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35 | //void Drawing_copy( Drawing_t *Drawing, |
36 | // guint xsrc, guint ysrc, |
37 | // guint xdest, guint ydest, |
38 | // guint width, guint height); |
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39 | |
40 | |
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41 | //void Drawing_Resize(Drawing_t *Drawing, guint h, guint w); |
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42 | |
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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); |
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56 | |
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57 | #endif // _DRAWING_H |