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

   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  *
  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
  26 void Drawing_draw_line( guint x1, guint y1, guint x2, guint y2,
  27                         GdkGC *GC);
  28
  29 void Drawing_copy(guint xsrc, guint ysrc,
  30                 guint xdest, guint ydest,
  31                 guint width, guint height);
  32
  33
  34 void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);
  35
  36 void convert_pixels_to_time(
  37                 Drawing_t *Drawing,
  38                 guint x,
  39                 LttTime *window_time_begin,
  40                 LttTime *window_time_end,
  41                 LttTime *begin);
  42
  43 void convert_time_to_pixels(
  44                 LttTime window_time_begin,
  45                 LttTime window_time_end,
  46                 LttTime time,
  47                 Drawing_t *Drawing,
  48                 guint *x);
  49
  50 #endif // _DRAWING_H