1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
#include "sys-defines.h"
#include "extern.h"
bool
#ifdef _HAVE_PROTOS
_x_end_page (S___(Plotter *_plotter))
#else
_x_end_page (S___(_plotter))
S___(Plotter *_plotter;)
#endif
{
/* Xdrawable Plotters support double buffering `by hand', so check for it */
if (_plotter->x_double_buffering == DBL_BY_HAND)
/* copy final frame of buffered graphics from pixmap serving as
graphics buffer, to window */
{
/* compute rectangle size; note flipped-y convention */
int window_width = (_plotter->data->imax - _plotter->data->imin) + 1;
int window_height = (_plotter->data->jmin - _plotter->data->jmax) + 1;
if (_plotter->x_drawable1)
XCopyArea (_plotter->x_dpy, _plotter->x_drawable3, _plotter->x_drawable1,
_plotter->drawstate->x_gc_bg,
0, 0,
(unsigned int)window_width, (unsigned int)window_height,
0, 0);
if (_plotter->x_drawable2)
XCopyArea (_plotter->x_dpy, _plotter->x_drawable3, _plotter->x_drawable2,
_plotter->drawstate->x_gc_bg,
0, 0,
(unsigned int)window_width, (unsigned int)window_height,
0, 0);
/* no more need for pixmap, so free it (if there is one) */
if (_plotter->x_drawable1 || _plotter->x_drawable2)
XFreePixmap (_plotter->x_dpy, _plotter->x_drawable3);
}
/* do teardown of X-specific elements of the first drawing state on the
drawing state stack */
_x_delete_gcs_from_first_drawing_state (S___(_plotter));
return true;
}
void
#ifdef _HAVE_PROTOS
_x_delete_gcs_from_first_drawing_state (S___(Plotter *_plotter))
#else
_x_delete_gcs_from_first_drawing_state (S___(_plotter))
S___(Plotter *_plotter;)
#endif
{
/* free graphics contexts, if we have them -- and to have them, must have
at least one drawable (see x_savestate.c) */
if (_plotter->x_drawable1 || _plotter->x_drawable2)
{
XFreeGC (_plotter->x_dpy, _plotter->drawstate->x_gc_fg);
XFreeGC (_plotter->x_dpy, _plotter->drawstate->x_gc_fill);
XFreeGC (_plotter->x_dpy, _plotter->drawstate->x_gc_bg);
}
}
|
