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From http://www.jwz.org/xscreensaver/xscreensaver-5.37.tar.gz
[xscreensaver]
/
hacks
/
triangle.c
diff --git
a/hacks/triangle.c
b/hacks/triangle.c
index 3f413432564b15c8f46f4f75db4043d443e9ca2c..d73c1226f547bbc040b10391e5c7af967971d727 100644
(file)
--- a/
hacks/triangle.c
+++ b/
hacks/triangle.c
@@
-51,8
+51,7
@@
static const char sccsid[] = "@(#)triangle.c 4.04 97/07/28 xlockmore";
"*fpsSolid: true \n" \
# define SMOOTH_COLORS
"*fpsSolid: true \n" \
# define SMOOTH_COLORS
-# define reshape_triangle 0
-# define triangle_handle_event 0
+# define release_triangle 0
# include "xlockmore.h" /* in xscreensaver distribution */
#else /* STANDALONE */
# include "xlock.h" /* in xlockmore distribution */
# include "xlockmore.h" /* in xscreensaver distribution */
#else /* STANDALONE */
# include "xlock.h" /* in xlockmore distribution */
@@
-107,7
+106,7
@@
draw_atriangle(ModeInfo * mi, XPoint * p, int y_0, int y_1, int y_2, double dinv
Window window = MI_WINDOW(mi);
GC gc = MI_GC(mi);
Window window = MI_WINDOW(mi);
GC gc = MI_GC(mi);
- if (MI_N
PIXEL
S(mi) > 2) { /* color */
+ if (MI_N
COLOR
S(mi) > 2) { /* color */
int dmax, dmin;
long color;
int dmax, dmin;
long color;
@@
-119,11
+118,11
@@
draw_atriangle(ModeInfo * mi, XPoint * p, int y_0, int y_1, int y_2, double dinv
if (dmax == 0) {
color = BLUE;
} else {
if (dmax == 0) {
color = BLUE;
} else {
- color = MI_N
PIXEL
S(mi) -
- (int) ((double) MI_N
PIXEL
S(mi) / M_PI_2 * atan(dinv * (dmax - dmin)));
+ color = MI_N
COLOR
S(mi) -
+ (int) ((double) MI_N
COLOR
S(mi) / M_PI_2 * atan(dinv * (dmax - dmin)));
}
}
- XSetForeground(display, gc,
MI_PIXEL(mi, color % MI_NPIXELS(mi))
);
+ XSetForeground(display, gc,
mi->colors[color % MI_NCOLORS(mi)].pixel
);
XFillPolygon(display, window, gc, p, 3, Convex, CoordModeOrigin);
} else {
/* mono */
XFillPolygon(display, window, gc, p, 3, Convex, CoordModeOrigin);
} else {
/* mono */
@@
-224,11
+223,7
@@
init_triangle (ModeInfo * mi)
short *tmp;
int i, dim, one;
short *tmp;
int i, dim, one;
- if (triangles == NULL) {
- if ((triangles = (trianglestruct *) calloc(MI_NUM_SCREENS(mi),
- sizeof (trianglestruct))) == NULL)
- return;
- }
+ MI_INIT (mi, triangles, 0);
tp = &triangles[MI_SCREEN(mi)];
tp->width = MI_WIN_WIDTH(mi);
tp = &triangles[MI_SCREEN(mi)];
tp->width = MI_WIN_WIDTH(mi);
@@
-299,11
+294,11
@@
draw_triangle (ModeInfo * mi)
XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
if (!mono_p)
{
XClearWindow(MI_DISPLAY(mi), MI_WINDOW(mi));
if (!mono_p)
{
- free_colors(mi->
dpy
, mi->xgwa.colormap, mi->colors,
+ free_colors(mi->
xgwa.screen
, mi->xgwa.colormap, mi->colors,
mi->npixels);
mi->npixels =
get_integer_resource (mi->dpy, "ncolors", "Integer");
mi->npixels);
mi->npixels =
get_integer_resource (mi->dpy, "ncolors", "Integer");
- make_smooth_colormap (mi->
dpy
,
+ make_smooth_colormap (mi->
xgwa.screen
,
mi->xgwa.visual, mi->xgwa.colormap,
mi->colors, &mi->npixels,
True, &mi->writable_p, True);
mi->xgwa.visual, mi->xgwa.colormap,
mi->colors, &mi->npixels,
True, &mi->writable_p, True);
@@
-346,12
+341,10
@@
draw_triangle (ModeInfo * mi)
}
ENTRYPOINT void
}
ENTRYPOINT void
-re
lease_triangle(ModeInfo * mi
)
+re
shape_triangle(ModeInfo * mi, int width, int height
)
{
{
- if (triangles != NULL) {
- (void) free((void *) triangles);
- triangles = NULL;
- }
+ XClearWindow (MI_DISPLAY (mi), MI_WINDOW(mi));
+ init_triangle (mi);
}
ENTRYPOINT void
}
ENTRYPOINT void
@@
-360,4
+353,16
@@
refresh_triangle (ModeInfo * mi)
/* Do nothing, it will refresh by itself */
}
/* Do nothing, it will refresh by itself */
}
+ENTRYPOINT Bool
+triangle_handle_event (ModeInfo *mi, XEvent *event)
+{
+ if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event))
+ {
+ reshape_triangle (mi, MI_WIDTH(mi), MI_HEIGHT(mi));
+ return True;
+ }
+ return False;
+}
+
+
XSCREENSAVER_MODULE ("Triangle", triangle)
XSCREENSAVER_MODULE ("Triangle", triangle)