ltt/branches/poly/lttv/modules/guiControlFlow/Drawing.h

   1 #ifndef _DRAWING_H
   2 #define _DRAWING_H
   3
   4 #include <glib.h>
   5 #include <ltt/ltt.h>
   6
   7 /* This part of the viewer does :
   8  * Draw horizontal lines, getting line color and width as arguments.
   9  * Copy region of the screen into another.
  10  * Modify the boundaries to reflect a scale change.
  11  *
  12  * A helper function is provided here to convert from time and process
  13  * identifier to pixels and the contrary (will be useful for mouse selection).
  14  */
  15
  16 typedef struct _Drawing_t Drawing_t;
  17
  18 Drawing_t *Drawing(void);
  19 void Drawing_destroy(Drawing_t *Drawing);
  20 void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);
  21
  22
  23
  24 void convert_pixels_to_time(
  25                 Drawing_t *Drawing,
  26                 guint x,
  27                 LttTime *window_time_begin,
  28                 LttTime *window_time_end,
  29                 LttTime *begin);
  30
  31 void convert_time_to_pixels(
  32                 LttTime window_time_begin,
  33                 LttTime window_time_end,
  34                 LttTime time,
  35                 Drawing_t *Drawing,
  36                 guint *x);
  37
  38
  39 #endif // _DRAWING_H