static void
gtk_css_animation_set_values (GtkStyleAnimation *style_animation,
gint64 for_time_us,
GtkCssComputedValues *values)
{
GtkCssAnimation *animation = GTK_CSS_ANIMATION (style_animation);
double iteration, progress;
guint i;
iteration = gtk_css_animation_get_iteration (animation, for_time_us);
if (!gtk_css_animation_is_executing_at_iteration (animation, iteration))
return;
progress = gtk_css_animation_get_progress_from_iteration (animation, iteration);
progress = _gtk_css_ease_value_transform (animation->ease, progress);
for (i = 0; i < _gtk_css_keyframes_get_n_properties (animation->keyframes); i++)
{
GtkCssValue *value;
guint property_id;
property_id = _gtk_css_keyframes_get_property_id (animation->keyframes, i);
value = _gtk_css_keyframes_get_value (animation->keyframes,
i,
progress,
_gtk_css_computed_values_get_intrinsic_value (values, property_id));
_gtk_css_computed_values_set_animated_value (values, property_id, value);
_gtk_css_value_unref (value);
}
}
static GtkBitmask *
gtk_css_transition_set_values (GtkStyleAnimation *animation,
GtkBitmask *changed,
gint64 for_time_us,
GtkCssComputedValues *values)
{
GtkCssTransition *transition = GTK_CSS_TRANSITION (animation);
GtkCssValue *value;
double progress;
if (transition->start_time >= for_time_us)
value = _gtk_css_value_ref (transition->start);
else if (transition->end_time <= for_time_us)
value = _gtk_css_value_ref (transition->end);
else
{
progress = (double) (for_time_us - transition->start_time) / (transition->end_time - transition->start_time);
progress = _gtk_css_ease_value_transform (transition->ease, progress);
value = _gtk_css_value_transition (transition->start,
transition->end,
progress);
if (value == NULL)
value = _gtk_css_value_ref (transition->end);
}
_gtk_css_computed_values_set_value (values, transition->property, value, NULL);
_gtk_css_value_unref (value);
return _gtk_bitmask_set (changed, transition->property, TRUE);
}
