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added --path command line argument to examples/behave; removed bspline example

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This commit is contained in:
Tomas Frydrych 2007-04-30 08:39:31 +00:00
parent e61aed2146
commit dd9061ae18
3 changed files with 73 additions and 107 deletions
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8
examples/Makefile.am
View File

@ -1,4 +1,4 @@
noinst_PROGRAMS = test super-oh behave test-text bspline
noinst_PROGRAMS = test super-oh behave test-text
INCLUDES = -I$(top_srcdir)/
LDADD = $(top_builddir)/clutter/libclutter-@CLUTTER_FLAVOUR@-@CLUTTER_MAJORMINOR@.la
@ -27,12 +27,6 @@ test_text_LDFLAGS = \
$(CLUTTER_LIBS) \
$(GCONF_LIBS)
bspline_SOURCES = bspline.c
bspline_CFLAGS = $(CLUTTER_CFLAGS) $(GCONF_CFLAGS)
bspline_LDFLAGS = \
$(CLUTTER_LIBS) \
$(GCONF_LIBS)
EXTRA_DIST = redhand.png \
clutter-logo-800x600.png \
README

75
examples/behave.c
View File

@ -33,6 +33,15 @@ scroll_event_cb (ClutterStage *stage,
: "down");
}
typedef enum {
PATH_POLY,
PATH_ELLIPSE,
PATH_BSPLINE
} path_t;
#define MAGIC 0.551784
#define RADIUS 200
int
main (int argc, char *argv[])
{
@ -45,10 +54,47 @@ main (int argc, char *argv[])
ClutterColor rect_bg_color = { 0x33, 0x22, 0x22, 0xff };
ClutterColor rect_border_color = { 0, 0, 0, 0 };
GdkPixbuf *pixbuf;
int i;
char *p;
path_t path_type = PATH_POLY;
ClutterKnot knots_poly[] = {{ 0, 0 }, { 0, 300 }, { 300, 300 },
{ 300, 0 }, {0, 0 }};
ClutterKnot origin = { 200, 200 };
ClutterKnot knots[] = {{ 0, 0 }, { 0, 300 }, { 300, 300 },
{ 300, 0 }, {0, 0 }};
ClutterKnot knots_bspline[] = {{ -RADIUS, 0 },
{ -RADIUS, RADIUS*MAGIC },
{ -RADIUS*MAGIC, RADIUS },
{ 0, RADIUS },
{ RADIUS*MAGIC, RADIUS },
{ RADIUS, RADIUS*MAGIC },
{ RADIUS, 0 },
{ RADIUS, -RADIUS*MAGIC },
{ RADIUS*MAGIC, -RADIUS },
{ 0, -RADIUS },
{ -RADIUS*MAGIC, -RADIUS },
{ -RADIUS, -RADIUS*MAGIC },
{ -RADIUS, 0}};
for (i = 0; i < argc; ++i)
{
if (!strncmp (argv[i], "--path", 6))
{
if (!strncmp (argv[i] + 7, "poly", 4))
path_type = PATH_POLY;
else if (!strncmp (argv[i] + 7, "bspline", 7))
path_type = PATH_BSPLINE;
else if (!strncmp (argv[i] + 7, "ellipse", 7))
path_type = PATH_ELLIPSE;
}
else if (!strncmp (argv[i], "--help", 6))
{
printf ("behave [--path=poly|ellipse|bspline]\n");
exit (0);
}
}
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
@ -112,7 +158,30 @@ main (int argc, char *argv[])
clutter_behaviour_apply (o_behave, group);
/* Make a path behaviour and apply that too */
p_behave = clutter_behaviour_path_new (alpha, knots, 5);
switch (path_type)
{
case PATH_POLY:
p_behave = clutter_behaviour_path_new (alpha, knots_poly, 5);
break;
case PATH_ELLIPSE:
p_behave =
clutter_behaviour_ellipse_new (alpha, &origin, 400, 300,
1024, 0);
break;
case PATH_BSPLINE:
origin.x = 0;
origin.y = RADIUS;
p_behave =
clutter_behaviour_bspline_new (alpha, knots_bspline,
sizeof (knots_bspline)/sizeof(ClutterKnot));
clutter_behaviour_bspline_set_origin (
CLUTTER_BEHAVIOUR_BSPLINE (p_behave),
&origin);
break;
}
clutter_behaviour_apply (p_behave, group);
/* start the timeline and thus the animations */

97
examples/bspline.c
View File

@ -1,97 +0,0 @@
#include <clutter/clutter.h>
#define MAGIC 0.551784
#define RADIUS 200
int
main (int argc, char *argv[])
{
ClutterTimeline *timeline;
ClutterAlpha *alpha;
ClutterBehaviour *p_behave;
ClutterActor *stage;
ClutterActor *hand;
ClutterColor stage_color = { 0xcc, 0xcc, 0xcc, 0xff };
GdkPixbuf *pixbuf;
guint i;
#if 1
/* Circular path defined using a spline consisting of 4 bezier curves */
ClutterKnot knots[] = {{ -RADIUS, 0 },
{ -RADIUS, RADIUS*MAGIC },
{ -RADIUS*MAGIC, RADIUS },
{ 0, RADIUS },
{ RADIUS*MAGIC, RADIUS },
{ RADIUS, RADIUS*MAGIC },
{ RADIUS, 0 },
{ RADIUS, -RADIUS*MAGIC },
{ RADIUS*MAGIC, -RADIUS },
{ 0, -RADIUS },
{ -RADIUS*MAGIC, -RADIUS },
{ -RADIUS, -RADIUS*MAGIC },
{ -RADIUS, 0}};
ClutterKnot origin = { 0, RADIUS };
#else
/* Approximation of a sine wave over <0,pi> */
ClutterKnot knots[] = {{ 0, 0 },
{ 2*RADIUS/3, 2*RADIUS*1.299 },
{ 4*RADIUS/3, 2*RADIUS*1.299 },
{ 2*RADIUS, 0 }};
ClutterKnot origin = { 0, 0};
#endif
clutter_init (&argc, &argv);
stage = clutter_stage_get_default ();
clutter_stage_hide_cursor (CLUTTER_STAGE (stage));
g_signal_connect (stage, "key-press-event",
G_CALLBACK (clutter_main_quit),
NULL);
pixbuf = gdk_pixbuf_new_from_file ("redhand.png", NULL);
if (!pixbuf)
g_error("pixbuf load failed");
clutter_stage_set_color (CLUTTER_STAGE (stage),
&stage_color);
/* Make a hand */
hand = clutter_texture_new_from_pixbuf (pixbuf);
clutter_actor_set_position (hand, 0, RADIUS);
clutter_actor_show (hand);
clutter_group_add (CLUTTER_GROUP (stage), hand);
/* Make a timeline */
timeline = clutter_timeline_new (100, 26); /* num frames, fps */
g_object_set (timeline, "loop", TRUE, 0);
/* Set an alpha func to power behaviour - ramp_inc is constant rise */
alpha = clutter_alpha_new_full (timeline,
CLUTTER_ALPHA_RAMP_INC,
NULL, NULL);
/* Make a path behaviour and apply that too */
p_behave =
clutter_behaviour_bspline_new (alpha, knots,
sizeof (knots)/sizeof(ClutterKnot));
clutter_behaviour_bspline_set_origin (CLUTTER_BEHAVIOUR_BSPLINE (p_behave),
&origin);
clutter_behaviour_apply (p_behave, hand);
/* start the timeline and thus the animations */
clutter_timeline_start (timeline);
clutter_actor_show_all (stage);
clutter_main();
g_object_unref (p_behave);
return 0;
}