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cssimage: Implement dynamicity for cross-fades

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This commit is contained in:
Benjamin Otte 2018-02-28 01:15:00 +01:00
parent 7e39b12858
commit 2b35332fd6
1 changed files with 50 additions and 5 deletions
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55
gtk/gtkcssimagecrossfade.c
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@ -98,6 +98,41 @@ gtk_css_image_cross_fade_equal (GtkCssImage *image1,
_gtk_css_image_equal (cross_fade1->end, cross_fade2->end);
}
static gboolean
gtk_css_image_cross_fade_is_dynamic (GtkCssImage *image)
{
GtkCssImageCrossFade *cross_fade = GTK_CSS_IMAGE_CROSS_FADE (image);
return (cross_fade->start && gtk_css_image_is_dynamic (cross_fade->start))
|| (cross_fade->end && gtk_css_image_is_dynamic (cross_fade->end));
}
static GtkCssImage *
gtk_css_image_cross_fade_get_dynamic_image (GtkCssImage *image,
gint64 monotonic_time)
{
GtkCssImageCrossFade *cross_fade = GTK_CSS_IMAGE_CROSS_FADE (image);
GtkCssImage *start, *end, *result;
if (cross_fade->start)
start = gtk_css_image_get_dynamic_image (cross_fade->start, monotonic_time);
else
start = NULL;
if (cross_fade->end)
end = gtk_css_image_get_dynamic_image (cross_fade->end, monotonic_time);
else
end = NULL;
result = _gtk_css_image_cross_fade_new (start, end, cross_fade->progress);
if (start)
g_object_unref (start);
if (end)
g_object_unref (end);
return result;
}
static void
gtk_css_image_cross_fade_snapshot (GtkCssImage *image,
GtkSnapshot *snapshot,
@ -202,13 +237,21 @@ gtk_css_image_cross_fade_compute (GtkCssImage *image,
GtkCssImageCrossFade *cross_fade = GTK_CSS_IMAGE_CROSS_FADE (image);
GtkCssImage *start, *end, *computed;
start = _gtk_css_image_compute (cross_fade->start, property_id, provider, style, parent_style);
end = _gtk_css_image_compute (cross_fade->end, property_id, provider, style, parent_style);
if (cross_fade->start)
start = _gtk_css_image_compute (cross_fade->start, property_id, provider, style, parent_style);
else
start = NULL;
if (cross_fade->end)
end = _gtk_css_image_compute (cross_fade->end, property_id, provider, style, parent_style);
else
end = NULL;
computed = _gtk_css_image_cross_fade_new (start, end, cross_fade->progress);
g_object_unref (start);
g_object_unref (end);
if (start)
g_object_unref (start);
if (end)
g_object_unref (end);
return computed;
}
@ -232,11 +275,13 @@ _gtk_css_image_cross_fade_class_init (GtkCssImageCrossFadeClass *klass)
image_class->get_width = gtk_css_image_cross_fade_get_width;
image_class->get_height = gtk_css_image_cross_fade_get_height;
image_class->compute = gtk_css_image_cross_fade_compute;
image_class->equal = gtk_css_image_cross_fade_equal;
image_class->snapshot = gtk_css_image_cross_fade_snapshot;
image_class->is_dynamic = gtk_css_image_cross_fade_is_dynamic;
image_class->get_dynamic_image = gtk_css_image_cross_fade_get_dynamic_image;
image_class->parse = gtk_css_image_cross_fade_parse;
image_class->print = gtk_css_image_cross_fade_print;
image_class->compute = gtk_css_image_cross_fade_compute;
object_class->dispose = gtk_css_image_cross_fade_dispose;
}