*/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_XPOS,
g_param_spec_double ("xpos", "horizontal position",
- "Horizontal position when using position alignment", -G_MAXDOUBLE,
- G_MAXDOUBLE, DEFAULT_PROP_XPOS,
+ "Horizontal position when using position alignment", 0, 1.0,
+ DEFAULT_PROP_XPOS,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
/**
* GstBaseTextOverlay:ypos:
*/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_YPOS,
g_param_spec_double ("ypos", "vertical position",
- "Vertical position when using position alignment", -G_MAXDOUBLE,
- G_MAXDOUBLE, DEFAULT_PROP_YPOS,
+ "Vertical position when using position alignment", 0, 1.0,
+ DEFAULT_PROP_YPOS,
G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_WRAP_MODE,
g_param_spec_enum ("wrap-mode", "wrap mode",
break;
case GST_BASE_TEXT_OVERLAY_HALIGN_POS:
*xpos += (gint) (overlay->width * overlay->xpos) - width / 2;
+ *xpos = CLAMP (*xpos, 0, overlay->width - overlay->ink_rect.width);
+ if (*xpos < 0)
+ *xpos = 0;
break;
default:
*xpos = 0;
break;
case GST_BASE_TEXT_OVERLAY_VALIGN_POS:
*ypos = (gint) (overlay->height * overlay->ypos) - height / 2;
+ *ypos = CLAMP (*ypos, 0, overlay->height - overlay->ink_rect.height);
break;
case GST_BASE_TEXT_OVERLAY_VALIGN_CENTER:
*ypos = (overlay->height - height) / 2;