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     int render_major;
  68     int render_minor;
  69     XRenderPictFormat *cached_xrender_formats[CAIRO_FORMAT_A1 + 1];
  70
  71     cairo_xlib_job_t *workqueue;
  72     cairo_freelist_t wq_freelist;
  73
  74     cairo_xlib_hook_t *close_display_hooks;
  75     unsigned int buggy_repeat :1;
  76     unsigned int buggy_pad_reflect :1;
  77     unsigned int closed :1;
  78 };
  79
  80 /* size of color cube */
  81 #define CUBE_SIZE 6
  82 /* size of gray ramp */
  83 #define RAMP_SIZE 16
  84
  85 typedef struct _cairo_xlib_visual_info {
  86     VisualID visualid;
  87     struct { uint8_t a, r, g, b; } colors[256];
  88     uint8_t cube_to_pseudocolor[CUBE_SIZE][CUBE_SIZE][CUBE_SIZE];
  89     uint8_t field8_to_cube[256];
  90     int8_t  dither8_to_cube[256];
  91     uint8_t gray8_to_pseudocolor[256];
  92 } cairo_xlib_visual_info_t;
  93
  94 struct _cairo_xlib_screen_info {
  95     cairo_xlib_screen_info_t *next;
  96     cairo_reference_count_t ref_count;
  97     cairo_mutex_t mutex;
  98
  99     cairo_xlib_display_t *display;
 100     Screen *screen;
 101     cairo_bool_t has_render;
 102
 103     cairo_bool_t has_font_options;
 104     cairo_font_options_t font_options;
 105
 106     GC gc[4];
 107     int gc_depths; /* 4 x uint8_t, high bit == needs reset */
 108
 109     cairo_array_t visuals;
 110 };
 111
 112 cairo_private cairo_status_t
 113 _cairo_xlib_display_get (Display *display, cairo_xlib_display_t **out);
 114
 115 cairo_private cairo_xlib_display_t *
 116 _cairo_xlib_display_reference (cairo_xlib_display_t *info);
 117 cairo_private void
 118 _cairo_xlib_display_destroy (cairo_xlib_display_t *info);
 119
 120 cairo_private void
 121 _cairo_xlib_add_close_display_hook (cairo_xlib_display_t *display, cairo_xlib_hook_t *hook);
 122
 123 cairo_private void
 124 _cairo_xlib_remove_close_display_hook (cairo_xlib_display_t *display, cairo_xlib_hook_t *hook);
 125
 126 cairo_private cairo_status_t
 127 _cairo_xlib_display_queue_work (cairo_xlib_display_t *display,
 128                                 cairo_xlib_notify_func notify,
 129                                 void *data,
 130                                 void (*destroy)(void *));
 131 cairo_private cairo_status_t
 132 _cairo_xlib_display_queue_resource (cairo_xlib_display_t *display,
 133                                    cairo_xlib_notify_resource_func notify,
 134                                    XID resource);
 135 cairo_private void
 136 _cairo_xlib_display_notify (cairo_xlib_display_t *display);
 137
 138 cairo_private XRenderPictFormat *
 139 _cairo_xlib_display_get_xrender_format (cairo_xlib_display_t    *display,
 140                                         cairo_format_t           format);
 141
 142 cairo_private cairo_status_t
 143 _cairo_xlib_screen_info_get (cairo_xlib_display_t *display,
 144                              Screen *screen,
 145                              cairo_xlib_screen_info_t **out);
 146
 147 cairo_private cairo_xlib_screen_info_t *
 148 _cairo_xlib_screen_info_reference (cairo_xlib_screen_info_t *info);
 149 cairo_private void
 150 _cairo_xlib_screen_info_destroy (cairo_xlib_screen_info_t *info);
 151
 152 cairo_private void
 153 _cairo_xlib_screen_info_close_display (cairo_xlib_screen_info_t *info);
 154
 155 cairo_private GC
 156 _cairo_xlib_screen_get_gc (cairo_xlib_screen_info_t *info,
 157                            unsigned int depth,
 158                            Drawable drawable,
 159                            unsigned int *need_reset);
 160
 161 cairo_private void
 162 _cairo_xlib_screen_put_gc (cairo_xlib_screen_info_t *info,
 163                            unsigned int depth,
 164                            GC gc,
 165                            cairo_bool_t reset_clip);
 166
 167 cairo_private cairo_font_options_t *
 168 _cairo_xlib_screen_get_font_options (cairo_xlib_screen_info_t *info);
 169
 170 cairo_private cairo_status_t
 171 _cairo_xlib_screen_get_visual_info (cairo_xlib_screen_info_t *info,
 172                                     Visual *visual,
 173                                     cairo_xlib_visual_info_t **out);
 174
 175 cairo_private cairo_status_t
 176 _cairo_xlib_visual_info_create (Display *dpy,
 177                                 int screen,
 178                                 VisualID visualid,
 179                                 cairo_xlib_visual_info_t **out);
 180
 181 cairo_private void
 182 _cairo_xlib_visual_info_destroy (Display *dpy, cairo_xlib_visual_info_t *info);
 183
 184 #endif /* CAIRO_XLIB_PRIVATE_H */