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[script] Parse easing modes by name
The easing modes for a ClutterAlpha can either be parsed by using
the enumeration "nickname" (the shorthand form of the enumeration
value) or by using the common naming policy used in other
animation frameworks, like:
easeInCubic
easeOutElastic
easeInOutBounce
This commit is contained in:
Emmanuele Bassi
parent
268abcd786
commit
ac1a0d568e
@ -184,6 +184,7 @@
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#include "clutter-script-private.h"
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#include "clutter-scriptable.h"
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#include "clutter-enum-types.h"
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#include "clutter-private.h"
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#include "clutter-debug.h"
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@ -517,41 +518,77 @@ construct_timeline (ClutterScript *script,
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return retval;
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}
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/* ugh. if g_module_open() fails (*cough* python *cough*) we need a fallback
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* for finding at least our own functions. keep the nick in sync with the
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* ClutterAnimationMode enumeration
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/* define the names of the animation modes to match the ones
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* that developers might be more accustomed to
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*/
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static const struct
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{
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const gchar *name;
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const gchar *short_name;
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ClutterAlphaFunc symbol;
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} clutter_alphas[] = {
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#define ALPHA_FUNC(func,nick) { #func, nick, func }
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#undef ALPHA_FUNC
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{ NULL, NULL, NULL }
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ClutterAnimationMode mode;
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} animation_modes[] = {
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{ "linear", CLUTTER_LINEAR },
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{ "easeInQuad", CLUTTER_EASE_IN_QUAD },
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{ "easeOutQuad", CLUTTER_EASE_OUT_QUAD },
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{ "easeInOutQuad", CLUTTER_EASE_IN_OUT_QUAD },
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{ "easeInCubic", CLUTTER_EASE_IN_CUBIC },
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{ "easeOutCubic", CLUTTER_EASE_OUT_CUBIC },
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{ "easeInOutCubic", CLUTTER_EASE_IN_OUT_CUBIC },
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{ "easeInQuart", CLUTTER_EASE_IN_QUART },
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{ "easeOutQuart", CLUTTER_EASE_OUT_QUART },
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{ "easeInOutQuart", CLUTTER_EASE_IN_OUT_QUART },
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{ "easeInQuint", CLUTTER_EASE_IN_QUINT },
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{ "easeOutQuint", CLUTTER_EASE_OUT_QUINT },
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{ "easeInOutQuint", CLUTTER_EASE_IN_OUT_QUINT },
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{ "easeInSine", CLUTTER_EASE_IN_SINE },
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{ "easeOutSine", CLUTTER_EASE_OUT_SINE },
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{ "easeInOutSine", CLUTTER_EASE_IN_OUT_SINE },
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{ "easeInExpo", CLUTTER_EASE_IN_EXPO },
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{ "easeOutExpo", CLUTTER_EASE_OUT_EXPO },
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{ "easeInOutExpo", CLUTTER_EASE_IN_OUT_EXPO },
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{ "easeInCirc", CLUTTER_EASE_IN_CIRC },
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{ "easeOutCirc", CLUTTER_EASE_OUT_CIRC },
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{ "easeInOutCirc", CLUTTER_EASE_IN_OUT_CIRC },
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{ "easeInElastic", CLUTTER_EASE_IN_ELASTIC },
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{ "easeOutElastic", CLUTTER_EASE_OUT_ELASTIC },
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{ "easeInOutElastic", CLUTTER_EASE_IN_OUT_ELASTIC },
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{ "easeInBack", CLUTTER_EASE_IN_BACK },
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{ "easeOutBack", CLUTTER_EASE_OUT_BACK },
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{ "easeInOutBack", CLUTTER_EASE_IN_OUT_BACK },
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{ "easeInBounce", CLUTTER_EASE_IN_BOUNCE },
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{ "easeOutBounce", CLUTTER_EASE_OUT_BOUNCE },
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{ "easeInOutBounce", CLUTTER_EASE_IN_OUT_BOUNCE },
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};
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static const gint n_clutter_alphas = G_N_ELEMENTS (clutter_alphas);
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static const gint n_animation_modes = G_N_ELEMENTS (animation_modes);
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static ClutterAnimationMode
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resolve_animation_mode (const gchar *name)
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{
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gint i, res = 0;
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for (i = 0; i < n_animation_modes; i++)
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{
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if (strcmp (animation_modes[i].name, name) == 0)
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return animation_modes[i].mode;
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}
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if (clutter_script_enum_from_string (CLUTTER_TYPE_ANIMATION_MODE,
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name, &res))
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return res;
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g_warning ("Unable to find the animation mode '%s'", name);
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return CLUTTER_CUSTOM_MODE;
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}
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static ClutterAlphaFunc
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resolve_alpha_func (const gchar *name)
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{
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static GModule *module = NULL;
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ClutterAlphaFunc func;
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gint i;
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CLUTTER_NOTE (SCRIPT, "Looking up `%s' alpha function", name);
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for (i = 0; i < n_clutter_alphas; i++)
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if (strcmp (name, clutter_alphas[i].name) == 0 ||
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strcmp (name, clutter_alphas[i].short_name) == 0)
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{
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CLUTTER_NOTE (SCRIPT, "Found `%s' alpha function in the whitelist",
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name);
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return clutter_alphas[i].symbol;
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}
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if (G_UNLIKELY (!module))
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module = g_module_open (NULL, G_MODULE_BIND_LAZY);
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@ -573,6 +610,7 @@ clutter_script_parse_alpha (ClutterScript *script,
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JsonObject *object;
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ClutterTimeline *timeline = NULL;
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ClutterAlphaFunc alpha_func = NULL;
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ClutterAnimationMode mode = CLUTTER_CUSTOM_MODE;
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JsonNode *val;
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gboolean unref_timeline = FALSE;
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@ -599,25 +637,39 @@ clutter_script_parse_alpha (ClutterScript *script,
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}
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}
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val = json_object_get_member (object, "function");
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val = json_object_get_member (object, "mode");
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if (val && json_node_get_string (val) != NULL)
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mode = resolve_animation_mode (json_node_get_string (val));
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if (mode == CLUTTER_CUSTOM_MODE)
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{
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alpha_func = resolve_alpha_func (json_node_get_string (val));
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if (!alpha_func)
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val = json_object_get_member (object, "function");
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if (val && json_node_get_string (val) != NULL)
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{
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g_warning ("Unable to find the function `%s' in the "
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"Clutter alpha functions or the symbols table",
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json_node_get_string (val));
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alpha_func = resolve_alpha_func (json_node_get_string (val));
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if (!alpha_func)
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{
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g_warning ("Unable to find the function `%s' in the "
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"Clutter alpha functions or the symbols table",
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json_node_get_string (val));
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}
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}
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}
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CLUTTER_NOTE (SCRIPT, "Parsed alpha: %s timeline (%p) and func:%p",
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CLUTTER_NOTE (SCRIPT, "Parsed alpha: %s timeline (%p) (mode:%d, func:%p)",
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unref_timeline ? "implicit" : "explicit",
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timeline ? timeline : 0x0,
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mode != CLUTTER_CUSTOM_MODE ? mode : 0,
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alpha_func ? alpha_func : 0x0);
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retval = g_object_new (CLUTTER_TYPE_ALPHA, NULL);
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clutter_alpha_set_func (CLUTTER_ALPHA (retval), alpha_func, NULL, NULL);
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if (mode != CLUTTER_CUSTOM_MODE)
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clutter_alpha_set_mode (CLUTTER_ALPHA (retval), mode);
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if (alpha_func != NULL)
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clutter_alpha_set_func (CLUTTER_ALPHA (retval), alpha_func, NULL, NULL);
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clutter_alpha_set_timeline (CLUTTER_ALPHA (retval), timeline);
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if (unref_timeline)
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g_object_unref (timeline);
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@ -43,7 +43,7 @@ static const gchar *test_behaviour =
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" \"path\" : \"M 50 50 L 100 100\","
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" \"alpha\" : {"
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" \"timeline\" : \"main-timeline\","
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" \"function\" : \"ramp\""
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" \"mode\" : \"linear\""
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" }"
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" },"
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" {"
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@ -54,7 +54,7 @@ static const gchar *test_behaviour =
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" \"axis\" : \"y-axis\","
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" \"alpha\" : {"
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" \"timeline\" : \"main-timeline\","
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" \"function\" : \"sine\""
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" \"mode\" : \"ease-in-sine\""
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" }"
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" },"
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" {"
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@ -64,7 +64,7 @@ static const gchar *test_behaviour =
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" \"opacity-end\" : 0,"
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" \"alpha\" : {"
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" \"timeline\" : \"main-timeline\","
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" \"function\" : \"ramp-inc\""
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" \"mode\" : \"easeOutCubic\""
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" }"
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" }"
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"]";
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