cairo/src/cairo-xlib-private.h

   1 /* Cairo - a vector graphics library with display and print output
   2  *
   3  * Copyright © 2005 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it either under the terms of the GNU Lesser General Public
   7  * License version 2.1 as published by the Free Software Foundation
   8  * (the "LGPL") or, at your option, under the terms of the Mozilla
   9  * Public License Version 1.1 (the "MPL"). If you do not alter this
  10  * notice, a recipient may use your version of this file under either
  11  * the MPL or the LGPL.
  12  *
  13  * You should have received a copy of the LGPL along with this library
  14  * in the file COPYING-LGPL-2.1; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16  * You should have received a copy of the MPL along with this library
  17  * in the file COPYING-MPL-1.1
  18  *
  19  * The contents of this file are subject to the Mozilla Public License
  20  * Version 1.1 (the "License"); you may not use this file except in
  21  * compliance with the License. You may obtain a copy of the License at
  22  * http://www.mozilla.org/MPL/
  23  *
  24  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
  25  * OF ANY KIND, either express or implied. See the LGPL or the MPL for
  26  * the specific language governing rights and limitations.
  27  *
  28  * The Original Code is the cairo graphics library.
  29  *
  30  * The Initial Developer of the Original Code is Red Hat, Inc.
  31  *
  32  * Contributors(s):
  33  *      Chris Wilson <chris@chris-wilson.co.uk>
  34  *      Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation
  35  */
  36
  37 #ifndef CAIRO_XLIB_PRIVATE_H
  38 #define CAIRO_XLIB_PRIVATE_H
  39
  40 #include "cairo-xlib.h"
  41 #include "cairo-xlib-xrender-private.h"
  42
  43 #include "cairo-compiler-private.h"
  44 #include "cairo-freelist-private.h"
  45 #include "cairo-mutex-private.h"
  46 #include "cairo-reference-count-private.h"
  47
  48 typedef struct _cairo_xlib_display cairo_xlib_display_t;
  49 typedef struct _cairo_xlib_hook cairo_xlib_hook_t;
  50 typedef struct _cairo_xlib_job cairo_xlib_job_t;
  51 typedef void (*cairo_xlib_notify_func) (Display *, void *);
  52 typedef void (*cairo_xlib_notify_resource_func) (Display *, XID);
  53
  54 struct _cairo_xlib_hook {
  55     cairo_xlib_hook_t *prev, *next; /* private */
  56     void (*func) (cairo_xlib_display_t *display, void *data);
  57 };
  58
  59 struct _cairo_xlib_display {
  60     cairo_xlib_display_t *next;
  61     cairo_reference_count_t ref_count;
  62     cairo_mutex_t mutex;
  63
  64     Display *display;
  65     cairo_xlib_screen_info_t *screens;
  66
  67     XRenderPictFormat *cached_xrender_formats[CAIRO_FORMAT_A1 + 1];
  68
  69     cairo_xlib_job_t *workqueue;
  70     cairo_freelist_t wq_freelist;
  71
  72     cairo_xlib_hook_t *close_display_hooks;
  73     unsigned int buggy_repeat :1;
  74     unsigned int closed :1;
  75 };
  76
  77 /* size of color cube */
  78 #define CUBE_SIZE 6
  79 /* size of gray ramp */
  80 #define RAMP_SIZE 16
  81
  82 typedef struct _cairo_xlib_visual_info {
  83     VisualID visualid;
  84     struct { uint8_t a, r, g, b; } colors[256];
  85     uint8_t cube_to_pseudocolor[CUBE_SIZE][CUBE_SIZE][CUBE_SIZE];
  86     uint8_t field8_to_cube[256];
  87     int8_t  dither8_to_cube[256];
  88     uint8_t gray8_to_pseudocolor[256];
  89 } cairo_xlib_visual_info_t;
  90
  91 struct _cairo_xlib_screen_info {
  92     cairo_xlib_screen_info_t *next;
  93     cairo_reference_count_t ref_count;
  94     cairo_mutex_t mutex;
  95
  96     cairo_xlib_display_t *display;
  97     Screen *screen;
  98     cairo_bool_t has_render;
  99
 100     cairo_font_options_t font_options;
 101
 102     GC gc[9];
 103     unsigned int gc_needs_clip_reset;
 104
 105     cairo_array_t visuals;
 106 };
 107
 108 cairo_private cairo_xlib_display_t *
 109 _cairo_xlib_display_get (Display *display);
 110
 111 cairo_private cairo_xlib_display_t *
 112 _cairo_xlib_display_reference (cairo_xlib_display_t *info);
 113 cairo_private void
 114 _cairo_xlib_display_destroy (cairo_xlib_display_t *info);
 115
 116 cairo_private void
 117 _cairo_xlib_add_close_display_hook (cairo_xlib_display_t *display, cairo_xlib_hook_t *hook);
 118
 119 cairo_private void
 120 _cairo_xlib_remove_close_display_hook (cairo_xlib_display_t *display, cairo_xlib_hook_t *hook);
 121
 122 cairo_private cairo_status_t
 123 _cairo_xlib_display_queue_work (cairo_xlib_display_t *display,
 124                                 cairo_xlib_notify_func notify,
 125                                 void *data,
 126                                 void (*destroy)(void *));
 127 cairo_private cairo_status_t
 128 _cairo_xlib_display_queue_resource (cairo_xlib_display_t *display,
 129                                    cairo_xlib_notify_resource_func notify,
 130                                    XID resource);
 131 cairo_private void
 132 _cairo_xlib_display_notify (cairo_xlib_display_t *display);
 133
 134 cairo_private XRenderPictFormat *
 135 _cairo_xlib_display_get_xrender_format (cairo_xlib_display_t    *display,
 136                                         cairo_format_t           format);
 137
 138 cairo_private cairo_xlib_screen_info_t *
 139 _cairo_xlib_screen_info_get (cairo_xlib_display_t *display, Screen *screen);
 140
 141 cairo_private cairo_xlib_screen_info_t *
 142 _cairo_xlib_screen_info_reference (cairo_xlib_screen_info_t *info);
 143 cairo_private void
 144 _cairo_xlib_screen_info_destroy (cairo_xlib_screen_info_t *info);
 145
 146 cairo_private void
 147 _cairo_xlib_screen_info_close_display (cairo_xlib_screen_info_t *info);
 148
 149 cairo_private GC
 150 _cairo_xlib_screen_get_gc (cairo_xlib_screen_info_t *info, int depth);
 151 cairo_private cairo_status_t
 152 _cairo_xlib_screen_put_gc (cairo_xlib_screen_info_t *info, int depth, GC gc, cairo_bool_t reset_clip);
 153
 154 cairo_private cairo_status_t
 155 _cairo_xlib_screen_get_visual_info (cairo_xlib_screen_info_t *info,
 156                                     Visual *visual,
 157                                     cairo_xlib_visual_info_t **out);
 158
 159 cairo_private cairo_status_t
 160 _cairo_xlib_visual_info_create (Display *dpy,
 161                                 int screen,
 162                                 VisualID visualid,
 163                                 cairo_xlib_visual_info_t **out);
 164
 165 cairo_private void
 166 _cairo_xlib_visual_info_destroy (Display *dpy, cairo_xlib_visual_info_t *info);
 167
 168 #endif /* CAIRO_XLIB_PRIVATE_H */