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/* GTK - The GIMP Toolkit
* Copyright (C) 2011 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "gtkcsscornervalueprivate.h"
#include "gtkcssnumbervalueprivate.h"
struct _GtkCssValue {
GTK_CSS_VALUE_BASE
GtkCssValue *x;
GtkCssValue *y;
};
static void
gtk_css_value_corner_free (GtkCssValue *value)
{
_gtk_css_value_unref (value->x);
_gtk_css_value_unref (value->y);
g_slice_free (GtkCssValue, value);
}
static GtkCssValue *
gtk_css_value_corner_compute (GtkCssValue *corner,
guint property_id,
GtkStyleProviderPrivate *provider,
GtkCssStyle *style,
GtkCssStyle *parent_style)
{
GtkCssValue *x, *y;
x = _gtk_css_value_compute (corner->x, property_id, provider, style, parent_style);
y = _gtk_css_value_compute (corner->y, property_id, provider, style, parent_style);
if (x == corner->x && y == corner->y)
{
_gtk_css_value_unref (x);
_gtk_css_value_unref (y);
return _gtk_css_value_ref (corner);
}
return _gtk_css_corner_value_new (x, y);
}
static gboolean
gtk_css_value_corner_equal (const GtkCssValue *corner1,
const GtkCssValue *corner2)
{
return _gtk_css_value_equal (corner1->x, corner2->x)
&& _gtk_css_value_equal (corner1->y, corner2->y);
}
static GtkCssValue *
gtk_css_value_corner_transition (GtkCssValue *start,
GtkCssValue *end,
guint property_id,
double progress)
{
GtkCssValue *x, *y;
x = _gtk_css_value_transition (start->x, end->x, property_id, progress);
if (x == NULL)
return NULL;
y = _gtk_css_value_transition (start->y, end->y, property_id, progress);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
return _gtk_css_corner_value_new (x, y);
}
static void
gtk_css_value_corner_print (const GtkCssValue *corner,
GString *string)
{
_gtk_css_value_print (corner->x, string);
if (!_gtk_css_value_equal (corner->x, corner->y))
{
g_string_append_c (string, ' ');
_gtk_css_value_print (corner->y, string);
}
}
static const GtkCssValueClass GTK_CSS_VALUE_CORNER = {
gtk_css_value_corner_free,
gtk_css_value_corner_compute,
gtk_css_value_corner_equal,
gtk_css_value_corner_transition,
gtk_css_value_corner_print
};
GtkCssValue *
_gtk_css_corner_value_new (GtkCssValue *x,
GtkCssValue *y)
{
GtkCssValue *result;
result = _gtk_css_value_new (GtkCssValue, >K_CSS_VALUE_CORNER);
result->x = x;
result->y = y;
return result;
}
GtkCssValue *
_gtk_css_corner_value_parse (GtkCssParser *parser)
{
GtkCssValue *x, *y;
x = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_NUMBER_AS_PIXELS
| GTK_CSS_PARSE_LENGTH);
if (x == NULL)
return NULL;
if (!gtk_css_number_value_can_parse (parser))
y = _gtk_css_value_ref (x);
else
{
y = _gtk_css_number_value_parse (parser,
GTK_CSS_POSITIVE_ONLY
| GTK_CSS_PARSE_PERCENT
| GTK_CSS_NUMBER_AS_PIXELS
| GTK_CSS_PARSE_LENGTH);
if (y == NULL)
{
_gtk_css_value_unref (x);
return NULL;
}
}
return _gtk_css_corner_value_new (x, y);
}
double
_gtk_css_corner_value_get_x (const GtkCssValue *corner,
double one_hundred_percent)
{
g_return_val_if_fail (corner != NULL, 0.0);
g_return_val_if_fail (corner->class == >K_CSS_VALUE_CORNER, 0.0);
return _gtk_css_number_value_get (corner->x, one_hundred_percent);
}
double
_gtk_css_corner_value_get_y (const GtkCssValue *corner,
double one_hundred_percent)
{
g_return_val_if_fail (corner != NULL, 0.0);
g_return_val_if_fail (corner->class == >K_CSS_VALUE_CORNER, 0.0);
return _gtk_css_number_value_get (corner->y, one_hundred_percent);
}
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