static GtkCssValue *
gtk_css_value_bg_size_compute (GtkCssValue *value,
guint property_id,
GtkStyleProviderPrivate *provider,
int scale,
GtkCssComputedValues *values,
GtkCssComputedValues *parent_values,
GtkCssDependencies *dependencies)
{
GtkCssValue *x, *y;
GtkCssDependencies x_deps, y_deps;
if (value->x == NULL && value->y == NULL)
return _gtk_css_value_ref (value);
x_deps = y_deps = 0;
x = y = NULL;
if (value->x)
x = _gtk_css_value_compute (value->x, property_id, provider, scale, values, parent_values, &x_deps);
if (value->y)
y = _gtk_css_value_compute (value->y, property_id, provider, scale, values, parent_values, &y_deps);
*dependencies = _gtk_css_dependencies_union (x_deps, y_deps);
return _gtk_css_bg_size_value_new (value->x ? x : NULL,
value->y ? y : NULL);
}
GtkCssValue *
_gtk_css_bg_size_value_parse (GtkCssParser *parser)
{
GtkCssValue *x, *y;
if (_gtk_css_parser_try (parser, "cover", TRUE))
return _gtk_css_value_ref (&cover_singleton);
else if (_gtk_css_parser_try (parser, "contain", TRUE))
return _gtk_css_value_ref (&contain_singleton);
if (_gtk_css_parser_try (parser, "auto", TRUE))
x = NULL;
else
{
x = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (x == NULL)
return NULL;
}
if (_gtk_css_parser_try (parser, "auto", TRUE))
y = NULL;
else if (!gtk_css_number_value_can_parse (parser))
y = NULL;
else
{
y = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_PARSE_LENGTH);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
}
return _gtk_css_bg_size_value_new (x, y);
}
static GtkCssValue *
gtk_css_value_bg_size_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
GtkCssValue *x, *y;
if (start->cover)
return end->cover ? _gtk_css_value_ref (end) : NULL;
if (start->contain)
return end->contain ? _gtk_css_value_ref (end) : NULL;
if ((start->x != NULL) ^ (end->x != NULL) ||
(start->y != NULL) ^ (end->y != NULL))
return NULL;
if (start->x)
{
x = _gtk_css_value_transition (start->x, end->x, property_id, progress);
if (x == NULL)
return NULL;
}
else
x = NULL;
if (start->y)
{
y = _gtk_css_value_transition (start->y, end->y, property_id, progress);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
}
else
y = NULL;
return _gtk_css_bg_size_value_new (x, y);
}
static GtkCssValue *
gtk_css_value_bg_size_compute (GtkCssValue *value,
guint property_id,
GtkStyleProviderPrivate *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
GtkCssValue *x, *y;
if (value->x == NULL && value->y == NULL)
return _gtk_css_value_ref (value);
x = y = NULL;
if (value->x)
x = _gtk_css_value_compute (value->x, property_id, provider, style, parent_style);
if (value->y)
y = _gtk_css_value_compute (value->y, property_id, provider, style, parent_style);
return _gtk_css_bg_size_value_new (value->x ? x : NULL,
value->y ? y : NULL);
}
