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[tests] Beautify the bouncing actor

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The test-easing interactive demo for the high-level animation API
is a bit "flat". Instead of using a Rectangle actor we should
probably be using something more "interesting" -- like a CairoTexture
with a gradient.
This commit is contained in:
Emmanuele Bassi 2009-06-15 15:08:59 +01:00
parent f95f4ba3cb
commit f8e9565482
1 changed files with 56 additions and 16 deletions
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72
tests/interactive/test-easing.c
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@ -104,20 +104,13 @@ on_button_press (ClutterActor *actor,
{
ClutterAnimation *animation;
ClutterAnimationMode cur_mode;
ClutterColor color = { 0, 0, 0, 255 };
cur_mode = easing_modes[current_mode].mode;
clutter_color_from_hls (&color,
g_random_double_range (0.0, 360.0),
g_random_double_range (0.0, 1.0),
g_random_double_range (0.0, 1.0));
animation =
clutter_actor_animate (rectangle, cur_mode, duration * 1000,
"x", event->x,
"y", event->y,
"color", &color,
NULL);
if (recenter)
@ -129,6 +122,55 @@ on_button_press (ClutterActor *actor,
return TRUE;
}
static ClutterActor *
make_bouncer (const ClutterColor *base_color,
gfloat width,
gfloat height)
{
ClutterActor *retval;
cairo_t *cr;
cairo_pattern_t *pattern;
gfloat radius = MAX (width, height);
retval = clutter_cairo_texture_new (width, height);
cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (retval));
cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
cairo_paint (cr);
cairo_set_operator (cr, CAIRO_OPERATOR_ADD);
cairo_arc (cr, radius / 2, radius / 2, radius / 2, 0.0, 2.0 * G_PI);
pattern = cairo_pattern_create_radial (radius / 2, radius / 2, 0,
radius, radius, radius);
cairo_pattern_add_color_stop_rgba (pattern,
0,
base_color->red / 255.0,
base_color->green / 255.0,
base_color->blue / 255.0,
base_color->alpha / 255.0);
cairo_pattern_add_color_stop_rgba (pattern,
0.9,
base_color->red / 255.0,
base_color->green / 255.0,
base_color->blue / 255.0,
0.1);
cairo_set_source (cr, pattern);
cairo_fill_preserve (cr);
cairo_pattern_destroy (pattern);
cairo_destroy (cr);
clutter_actor_set_name (retval, "bouncer");
clutter_actor_set_size (retval, width, height);
clutter_actor_set_anchor_point (retval, width / 2, height / 2);
clutter_actor_set_reactive (retval, TRUE);
return retval;
}
static GOptionEntry test_easing_entries[] = {
{
"re-center", 'r',
@ -152,8 +194,8 @@ G_MODULE_EXPORT int
test_easing_main (int argc, char *argv[])
{
ClutterActor *stage, *rect, *label;
ClutterColor stage_color = { 0x66, 0x66, 0xdd, 0xff };
ClutterColor rect_color = { 0x44, 0xdd, 0x44, 0xff };
ClutterColor stage_color = { 0x88, 0x88, 0xdd, 0xff };
ClutterColor rect_color = { 0xee, 0x33, 0, 0xff };
gchar *text;
gfloat stage_width, stage_height;
gfloat label_width, label_height;
@ -170,15 +212,9 @@ test_easing_main (int argc, char *argv[])
clutter_actor_get_size (stage, &stage_width, &stage_height);
rect = clutter_rectangle_new_with_color (&rect_color);
rect = make_bouncer (&rect_color, 50, 50);
clutter_container_add_actor (CLUTTER_CONTAINER (stage), rect);
clutter_actor_set_size (rect, 50, 50);
clutter_actor_set_anchor_point (rect, 25, 25);
clutter_actor_set_position (rect, stage_width / 2, stage_height / 2);
clutter_actor_set_opacity (rect, 0x88);
g_signal_connect (stage,
"button-press-event", G_CALLBACK (on_button_press),
rect);
text = g_strdup_printf ("Easing mode: %s (%d of %d)\n"
"Right click to change the easing mode",
@ -198,6 +234,10 @@ test_easing_main (int argc, char *argv[])
g_free (text);
g_signal_connect (stage,
"button-press-event", G_CALLBACK (on_button_press),
rect);
clutter_actor_show (stage);
clutter_main ();