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ges/ges-timeline-transition.c: initialize vtype enum type from static list of

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GEnumValues
This commit is contained in:
Brandon Lewis 2010-06-04 18:07:39 +02:00 committed by Edward Hervey
parent b814e287e3
commit 221df1b880
1 changed files with 308 additions and 70 deletions
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378
ges/ges-timeline-transition.c
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@ -152,91 +152,329 @@ ges_tl_transition_create_track_object (GESTimelineObject * obj,
return res;
}
GESTimelineTransition *
ges_timeline_transition_new (gint vtype)
{
GESTimelineTransition *ret = g_object_new
(GES_TYPE_TIMELINE_TRANSITION, NULL);
g_object_set (ret, "vtype", (gint) vtype, NULL);
return ret;
}
static GEnumClass *smpte_enum_class = NULL;
static void
_ensure_smpte_enum_class ()
{
/* is there a better way to do this? */
if (!smpte_enum_class) {
GstElement *element = gst_element_factory_make ("smpte", NULL);
GstElementClass *element_class = GST_ELEMENT_GET_CLASS (element);
GParamSpec *pspec =
g_object_class_find_property (G_OBJECT_CLASS (element_class), "type");
smpte_enum_class = G_ENUM_CLASS (g_type_class_ref (pspec->value_type));
}
}
static GEnumValue transition_types[] = {
{
1,
"A bar moves from left to right",
"bar-wipe-lr"},
{
2,
"A bar moves from top to bottom",
"bar-wipe-tb"},
{
3,
"A box expands from the upper-left corner to the lower-right corner",
"box-wipe-tl"},
{
4,
"A box expands from the upper-right corner to the lower-left corner",
"box-wipe-tr"},
{
5,
"A box expands from the lower-right corner to the upper-left corner",
"box-wipe-br"},
{
6,
"A box expands from the lower-left corner to the upper-right corner",
"box-wipe-bl"},
{
7,
"A box shape expands from each of the four corners toward the center",
"four-box-wipe-ci"},
{
8,
"A box shape expands from the center of each quadrant toward the corners of each quadrant",
"four-box-wipe-co"},
{
21,
"A central, vertical line splits and expands toward the left and right edges",
"barndoor-v"},
{
22,
"A central, horizontal line splits and expands toward the top and bottom edges",
"barndoor-h"},
{
23,
"A box expands from the top edge's midpoint to the bottom corners",
"box-wipe-tc"},
{
24,
"A box expands from the right edge's midpoint to the left corners",
"box-wipe-rc"},
{
25,
"A box expands from the bottom edge's midpoint to the top corners",
"box-wipe-bc"},
{
26,
"A box expands from the left edge's midpoint to the right corners",
"box-wipe-lc"},
{
41,
"A diagonal line moves from the upper-left corner to the lower-right corner",
"diagonal-tl"},
{
42,
"A diagonal line moves from the upper right corner to the lower-left corner",
"diagonal-tr"},
{
43,
"Two wedge shapes slide in from the top and bottom edges toward the center",
"bowtie-v"},
{
44,
"Two wedge shapes slide in from the left and right edges toward the center",
"bowtie-h"},
{
45,
"A diagonal line from the lower-left to upper-right corners splits and expands toward the opposite corners",
"barndoor-dbl"},
{
46,
"A diagonal line from upper-left to lower-right corners splits and expands toward the opposite corners",
"barndoor-dtl"},
{
47,
"Four wedge shapes split from the center and retract toward the four edges",
"misc-diagonal-dbd"},
{
48,
"A diamond connecting the four edge midpoints simultaneously contracts toward the center and expands toward the edges",
"misc-diagonal-dd"},
{
61,
"A wedge shape moves from top to bottom",
"vee-d"},
{
62,
"A wedge shape moves from right to left",
"vee-l"},
{
63,
"A wedge shape moves from bottom to top",
"vee-u"},
{
64,
"A wedge shape moves from left to right",
"vee-r"},
{
65,
"A 'V' shape extending from the bottom edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
"barnvee-d"},
{
66,
"A 'V' shape extending from the left edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
"barnvee-l"},
{
67,
"A 'V' shape extending from the top edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
"barnvee-u"},
{
68,
"A 'V' shape extending from the right edge's midpoint to the opposite corners contracts toward the center and expands toward the edges",
"barnvee-r"},
{
101,
"A rectangle expands from the center.",
"iris-rect"},
{
201,
"A radial hand sweeps clockwise from the twelve o'clock position",
"clock-cw12"},
{
202,
"A radial hand sweeps clockwise from the three o'clock position",
"clock-cw3"},
{
203,
"A radial hand sweeps clockwise from the six o'clock position",
"clock-cw6"},
{
204,
"A radial hand sweeps clockwise from the nine o'clock position",
"clock-cw9"},
{
205,
"Two radial hands sweep clockwise from the twelve and six o'clock positions",
"pinwheel-tbv"},
{
206,
"Two radial hands sweep clockwise from the nine and three o'clock positions",
"pinwheel-tbh"},
{
207,
"Four radial hands sweep clockwise",
"pinwheel-fb"},
{
211,
"A fan unfolds from the top edge, the fan axis at the center",
"fan-ct"},
{
212,
"A fan unfolds from the right edge, the fan axis at the center",
"fan-cr"},
{
213,
"Two fans, their axes at the center, unfold from the top and bottom",
"doublefan-fov"},
{
214,
"Two fans, their axes at the center, unfold from the left and right",
"doublefan-foh"},
{
221,
"A radial hand sweeps clockwise from the top edge's midpoint",
"singlesweep-cwt"},
{
222,
"A radial hand sweeps clockwise from the right edge's midpoint",
"singlesweep-cwr"},
{
223,
"A radial hand sweeps clockwise from the bottom edge's midpoint",
"singlesweep-cwb"},
{
224,
"A radial hand sweeps clockwise from the left edge's midpoint",
"singlesweep-cwl"},
{
225,
"Two radial hands sweep clockwise and counter-clockwise from the top and bottom edges' midpoints",
"doublesweep-pv"},
{
226,
"Two radial hands sweep clockwise and counter-clockwise from the left and right edges' midpoints",
"doublesweep-pd"},
{
227,
"Two radial hands attached at the top and bottom edges' midpoints sweep from right to left",
"doublesweep-ov"},
{
228,
"Two radial hands attached at the left and right edges' midpoints sweep from top to bottom",
"doublesweep-oh"},
{
231,
"A fan unfolds from the bottom, the fan axis at the top edge's midpoint",
"fan-t"},
{
232,
"A fan unfolds from the left, the fan axis at the right edge's midpoint",
"fan-r"},
{
233,
"A fan unfolds from the top, the fan axis at the bottom edge's midpoint",
"fan-b"},
{
234,
"A fan unfolds from the right, the fan axis at the left edge's midpoint",
"fan-l"},
{
235,
"Two fans, their axes at the top and bottom, unfold from the center",
"doublefan-fiv"},
{
236,
"Two fans, their axes at the left and right, unfold from the center",
"doublefan-fih"},
{
241,
"A radial hand sweeps clockwise from the upper-left corner",
"singlesweep-cwtl"},
{
242,
"A radial hand sweeps counter-clockwise from the lower-left corner.",
"singlesweep-cwbl"},
{
243,
"A radial hand sweeps clockwise from the lower-right corner",
"singlesweep-cwbr"},
{
244,
"A radial hand sweeps counter-clockwise from the upper-right corner",
"singlesweep-cwtr"},
{
245,
"Two radial hands attached at the upper-left and lower-right corners sweep down and up",
"doublesweep-pdtl"},
{
246,
"Two radial hands attached at the lower-left and upper-right corners sweep down and up",
"doublesweep-pdbl"},
{
251,
"Two radial hands attached at the upper-left and upper-right corners sweep down",
"saloondoor-t"},
{
252,
"Two radial hands attached at the upper-left and lower-left corners sweep to the right",
"saloondoor-l"},
{
253,
"Two radial hands attached at the lower-left and lower-right corners sweep up",
"saloondoor-b"},
{
254,
"Two radial hands attached at the upper-right and lower-right corners sweep to the left",
"saloondoor-r"},
{
261,
"Two radial hands attached at the midpoints of the top and bottom halves sweep from right to left",
"windshield-r"},
{
262,
"Two radial hands attached at the midpoints of the left and right halves sweep from top to bottom",
"windshield-u"},
{
263,
"Two sets of radial hands attached at the midpoints of the top and bottom halves sweep from top to bottom and bottom to top",
"windshield-v"},
{
264,
"Two sets of radial hands attached at the midpoints of the left and right halves sweep from left to right and right to left",
"windshield-h"},
{
VTYPE_CROSSFADE,
"Crossfade between two clips",
"crossfade"},
{0, NULL, NULL}
};
/* how many types could GType type if GType could type types? */
static GType
ges_type_timeline_transition_vtype_get_type (void)
{
_ensure_smpte_enum_class ();
static GType the_type = 0;
static gsize once = 0;
if (!the_type) {
GEnumValue *values, *src, *dst;
gint i, n;
if (g_once_init_enter (&once)) {
g_assert (!once);
n = smpte_enum_class->n_values;
/* plus one for sentinel, plus another for the crossfade GEnumValue */
values = g_new0 (GEnumValue, 2 + n);
for (i = 0, dst = values, src = smpte_enum_class->values; i < n;
i++, dst++, src++) {
dst->value = src->value;
dst->value_nick = src->value_nick;
dst->value_name = src->value_name;
}
dst->value = VTYPE_CROSSFADE;
dst->value_name = "Cross-fade between two sources";
dst->value_nick = "crossfade";
dst++;
dst->value = 0;
dst->value_nick = NULL;
dst->value_name = NULL;
the_type = g_enum_register_static ("GESTimelineTransitionVType", values);
the_type = g_enum_register_static ("GESTimelineTransitionVType",
transition_types);
g_once_init_leave (&once, 1);
}
return the_type;
}
GESTimelineTransition *
ges_timeline_transition_new_for_nick (char *nick)
ges_timeline_transition_new (gint vtype)
{
GESTimelineTransition *ret;
_ensure_smpte_enum_class ();
if (!strcmp ("crossfade", nick)) {
return ges_timeline_transition_new (VTYPE_CROSSFADE);
}
GEnumValue *value = g_enum_get_value_by_nick (smpte_enum_class, nick);
if (!value) {
return NULL;
}
return ges_timeline_transition_new (value->value);
ret = g_object_new (GES_TYPE_TIMELINE_TRANSITION, "vtype", (gint) vtype,
NULL);
return ret;
}
GESTimelineTransition *
ges_timeline_transition_new_for_nick (gchar * nick)
{
GESTimelineTransition *ret;
ret = g_object_new (GES_TYPE_TIMELINE_TRANSITION, NULL);
g_object_set (ret, "vtype", (gchar *) nick, NULL);
return ret;
}