shared/cairo-util.h

   1 /*
   2  * Copyright © 2008 Kristian Høgsberg
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and its
   5  * documentation for any purpose is hereby granted without fee, provided that
   6  * the above copyright notice appear in all copies and that both that copyright
   7  * notice and this permission notice appear in supporting documentation, and
   8  * that the name of the copyright holders not be used in advertising or
   9  * publicity pertaining to distribution of the software without specific,
  10  * written prior permission.  The copyright holders make no representations
  11  * about the suitability of this software for any purpose.  It is provided "as
  12  * is" without express or implied warranty.
  13  *
  14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
  15  * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
  16  * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
  17  * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
  18  * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
  19  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
  20  * OF THIS SOFTWARE.
  21  */
  22
  23 #ifndef _CAIRO_UTIL_H
  24 #define _CAIRO_UTIL_H
  25
  26 #include <cairo.h>
  27
  28 void
  29 surface_flush_device(cairo_surface_t *surface);
  30
  31 void
  32 blur_surface(cairo_surface_t *surface, int margin);
  33
  34 void
  35 tile_mask(cairo_t *cr, cairo_surface_t *surface,
  36           int x, int y, int width, int height, int margin, int top_margin);
  37
  38 void
  39 tile_source(cairo_t *cr, cairo_surface_t *surface,
  40             int x, int y, int width, int height, int margin, int top_margin);
  41
  42 void
  43 rounded_rect(cairo_t *cr, int x0, int y0, int x1, int y1, int radius);
  44
  45 cairo_surface_t *
  46 load_cairo_surface(const char *filename);
  47
  48 struct theme {
  49         cairo_surface_t *active_frame;
  50         cairo_surface_t *inactive_frame;
  51         cairo_surface_t *shadow;
  52         int frame_radius;
  53         int margin;
  54         int width;
  55         int titlebar_height;
  56 };
  57
  58 struct theme *
  59 theme_create(void);
  60 void
  61 theme_destroy(struct theme *t);
  62
  63 enum {
  64         THEME_FRAME_ACTIVE = 1,
  65         THEME_FRAME_MAXIMIZED,
  66 };
  67
  68 void
  69 theme_render_frame(struct theme *t,
  70                    cairo_t *cr, int width, int height,
  71                    const char *title, uint32_t flags);
  72
  73 enum theme_location {
  74         THEME_LOCATION_INTERIOR = 0,
  75         THEME_LOCATION_RESIZING_TOP = 1,
  76         THEME_LOCATION_RESIZING_BOTTOM = 2,
  77         THEME_LOCATION_RESIZING_LEFT = 4,
  78         THEME_LOCATION_RESIZING_TOP_LEFT = 5,
  79         THEME_LOCATION_RESIZING_BOTTOM_LEFT = 6,
  80         THEME_LOCATION_RESIZING_RIGHT = 8,
  81         THEME_LOCATION_RESIZING_TOP_RIGHT = 9,
  82         THEME_LOCATION_RESIZING_BOTTOM_RIGHT = 10,
  83         THEME_LOCATION_RESIZING_MASK = 15,
  84         THEME_LOCATION_EXTERIOR = 16,
  85         THEME_LOCATION_TITLEBAR = 17,
  86         THEME_LOCATION_CLIENT_AREA = 18,
  87 };
  88
  89 enum theme_location
  90 theme_get_location(struct theme *t, int x, int y, int width, int height, int flags);
  91
  92 #endif