/* dzl-cairo.h

 *

 * Copyright (C) 2014 Christian Hergert <christian@hergert.me>

 *

 * This file 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 2.1 of the License, or (at your option) any later version.

 *

 * This file 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 General Public License

 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

 */

#ifndef DZL_CAIRO_H

#define DZL_CAIRO_H

#include <gtk/gtk.h>

#include "dzl-version-macros.h"

G_BEGIN_DECLS

DZL_AVAILABLE_IN_ALL

cairo_region_t *dzl_cairo_region_create_from_clip_extents (cairo_t            *cr);

DZL_AVAILABLE_IN_ALL

void            dzl_cairo_rounded_rectangle               (cairo_t            *cr,

                                                           const GdkRectangle *rect,

                                                           gint                x_radius,

                                                           gint                y_radius);

static inline gboolean

dzl_cairo_rectangle_x2 (const cairo_rectangle_int_t *rect)

{

  return rect->x + rect->width;

}

static inline gboolean

dzl_cairo_rectangle_y2 (const cairo_rectangle_int_t *rect)

{

  return rect->y + rect->height;

}

static inline gboolean

dzl_cairo_rectangle_center (const cairo_rectangle_int_t *rect)

{

  return rect->x + (rect->width/2);

}

static inline gboolean

dzl_cairo_rectangle_middle (const cairo_rectangle_int_t *rect)

{

  return rect->y + (rect->height/2);

}

static inline cairo_bool_t

dzl_cairo_rectangle_contains_rectangle (const cairo_rectangle_int_t *a,

                                        const cairo_rectangle_int_t *b)

{

    return (a->x <= b->x &&

            a->x + (int) a->width >= b->x + (int) b->width &&

            a->y <= b->y &&

            a->y + (int) a->height >= b->y + (int) b->height);

}

G_END_DECLS

#endif /* DZL_CAIRO_H */