[lttv.git] / ltt / branches / poly / lttv / modules / guiControlFlow / Drawing.h

#ifndef _DRAWING_H
#define _DRAWING_H

#include <glib.h>
#include <ltt/ltt.h>

/* This part of the viewer does :
 * Draw horizontal lines, getting line color and width as arguments.
 * Copy region of the screen into another.
 * Modify the boundaries to reflect a scale change.
 *
 * A helper function is provided here to convert from time and process
 * identifier to pixels and the contrary (will be useful for mouse selection).
 */

typedef struct _Drawing_t Drawing_t;

Drawing_t *Drawing(void);
void Drawing_destroy(Drawing_t *Drawing);
void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);


void convert_pixels_to_time(
		Drawing_t *Drawing,
		guint x,
		LttTime *window_time_begin,
		LttTime *window_time_end,
		LttTime *begin);

void convert_time_to_pixels(
		LttTime window_time_begin,
		LttTime window_time_end,
		LttTime time,
		Drawing_t *Drawing,
		guint *x);


#endif // _DRAWING_H
Commit	Line	Data
f0d936c0	1	#ifndef _DRAWING_H
	2	#define _DRAWING_H
	3
558aa013	4	#include <glib.h>
fa2c4dbe	5	#include <ltt/ltt.h>
f0d936c0	6
fa2c4dbe	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	*/
f0d936c0	15
	16	typedef struct _Drawing_t Drawing_t;
	17
	18	Drawing_t *Drawing(void);
	19	void Drawing_destroy(Drawing_t *Drawing);
558aa013	20	void Drawing_Resize(Drawing_t *Drawing, guint h, guint w);
f0d936c0	21
	22
	23
fa2c4dbe	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);
f0d936c0	37
	38
	39	#endif // _DRAWING_H