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/* Cairo - a vector graphics library with display and print output

 *

 * Copyright © 2005 Red Hat, Inc.

 *

 * This library is free software; you can redistribute it and/or

 * modify it either under the terms of the GNU Lesser General Public

 * License version 2.1 as published by the Free Software Foundation

 * (the "LGPL") or, at your option, under the terms of the Mozilla

 * Public License Version 1.1 (the "MPL"). If you do not alter this

 * notice, a recipient may use your version of this file under either

 * the MPL or the LGPL.

 *

 * You should have received a copy of the LGPL along with this library

 * in the file COPYING-LGPL-2.1; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA

 * You should have received a copy of the MPL along with this library

 * in the file COPYING-MPL-1.1

 *

 * The contents of this file are subject to the Mozilla Public License

 * Version 1.1 (the "License"); you may not use this file except in

 * compliance with the License. You may obtain a copy of the License at

 * http://www.mozilla.org/MPL/

 *

 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY

 * OF ANY KIND, either express or implied. See the LGPL or the MPL for

 * the specific language governing rights and limitations.

 *

 * The Original Code is the cairo graphics library.

 *

 * The Initial Developer of the Original Code is Red Hat, Inc.

 *

 * Contributors(s):

 *	Chris Wilson 

 *	Karl Tomlinson , Mozilla Corporation

 */

#ifndef CAIRO_XLIB_PRIVATE_H

#define CAIRO_XLIB_PRIVATE_H

#include "cairo-xlib.h"

#include "cairo-xlib-xrender-private.h"

#include "cairo-compiler-private.h"

#include "cairo-device-private.h"

#include "cairo-freelist-type-private.h"

#include "cairo-list-private.h"

#include "cairo-reference-count-private.h"

#include "cairo-types-private.h"

typedef struct _cairo_xlib_display cairo_xlib_display_t;

typedef struct _cairo_xlib_screen cairo_xlib_screen_t;

typedef struct _cairo_xlib_hook cairo_xlib_hook_t;

typedef struct _cairo_xlib_job cairo_xlib_job_t;

typedef void (*cairo_xlib_notify_func) (Display *, void *);

typedef void (*cairo_xlib_notify_resource_func) (Display *, XID);

struct _cairo_xlib_hook {

    cairo_xlib_hook_t *prev, *next; /* private */

    void (*func) (cairo_xlib_display_t *display, void *data);

};

/* size of color cube */

#define CUBE_SIZE 6

/* size of gray ramp */

#define RAMP_SIZE 16

struct _cairo_xlib_display {

    cairo_device_t base;

    cairo_xlib_display_t *next;

    Display *display;

    cairo_list_t screens;

    int render_major;

    int render_minor;

    XRenderPictFormat *cached_xrender_formats[CAIRO_FORMAT_RGB16_565 + 1];

    cairo_xlib_job_t *workqueue;

    cairo_freelist_t wq_freelist;

    cairo_xlib_hook_t *close_display_hooks;

    unsigned int buggy_gradients :1;

    unsigned int buggy_pad_reflect :1;

    unsigned int buggy_repeat :1;

    unsigned int closed :1;

};

typedef struct _cairo_xlib_visual_info {

    cairo_list_t link;

    VisualID visualid;

    struct { uint8_t a, r, g, b; } colors[256];

    uint8_t cube_to_pseudocolor[CUBE_SIZE][CUBE_SIZE][CUBE_SIZE];

    uint8_t field8_to_cube[256];

    int8_t  dither8_to_cube[256];

    uint8_t gray8_to_pseudocolor[256];

} cairo_xlib_visual_info_t;

struct _cairo_xlib_screen {

    cairo_list_t link;

    cairo_device_t *device;

    Screen *screen;

    cairo_bool_t has_font_options;

    cairo_font_options_t font_options;

    GC gc[4];

    cairo_atomic_int_t gc_depths; /* 4 x uint8_t */

    cairo_list_t visuals;

};

cairo_private cairo_device_t *

_cairo_xlib_device_create (Display *display);

cairo_private cairo_xlib_screen_t *

_cairo_xlib_display_get_screen (cairo_xlib_display_t *display,

				Screen *screen);

cairo_private void

_cairo_xlib_add_close_display_hook (cairo_xlib_display_t *display, cairo_xlib_hook_t *hook);

cairo_private void

_cairo_xlib_remove_close_display_hook (cairo_xlib_display_t *display, cairo_xlib_hook_t *hook);

cairo_private cairo_status_t

_cairo_xlib_display_queue_work (cairo_xlib_display_t *display,

	                        cairo_xlib_notify_func notify,

				void *data,

				void (*destroy)(void *));

cairo_private cairo_status_t

_cairo_xlib_display_queue_resource (cairo_xlib_display_t *display,

	                           cairo_xlib_notify_resource_func notify,

				   XID resource);

cairo_private cairo_status_t

_cairo_xlib_display_acquire (cairo_device_t *device,

                             cairo_xlib_display_t **display);

cairo_private void

_cairo_xlib_display_get_xrender_version (cairo_xlib_display_t *display,

					 int *major, int *minor);

cairo_private cairo_bool_t

_cairo_xlib_display_has_repeat (cairo_device_t *device);

cairo_private cairo_bool_t

_cairo_xlib_display_has_reflect (cairo_device_t *device);

cairo_private cairo_bool_t

_cairo_xlib_display_has_gradients (cairo_device_t *device);

cairo_private XRenderPictFormat *

_cairo_xlib_display_get_xrender_format (cairo_xlib_display_t	*display,

	                                cairo_format_t		 format);

cairo_private cairo_status_t

_cairo_xlib_screen_get (Display *dpy,

			Screen *screen,

			cairo_xlib_screen_t **out);

cairo_private void

_cairo_xlib_screen_destroy (cairo_xlib_screen_t *info);

cairo_private void

_cairo_xlib_screen_close_display (cairo_xlib_display_t *display,

                                  cairo_xlib_screen_t *info);

cairo_private GC

_cairo_xlib_screen_get_gc (cairo_xlib_display_t *display,

                           cairo_xlib_screen_t *info,

			   int depth,

			   Drawable drawable);

cairo_private void

_cairo_xlib_screen_put_gc (cairo_xlib_display_t *display,

                           cairo_xlib_screen_t *info,

			   int depth,

			   GC gc);

cairo_private cairo_font_options_t *

_cairo_xlib_screen_get_font_options (cairo_xlib_screen_t *info);

cairo_private cairo_status_t

_cairo_xlib_screen_get_visual_info (cairo_xlib_display_t *display,

                                    cairo_xlib_screen_t *info,

				    Visual *visual,

				    cairo_xlib_visual_info_t **out);

cairo_private cairo_status_t

_cairo_xlib_visual_info_create (Display *dpy,

	                        int screen,

				VisualID visualid,

				cairo_xlib_visual_info_t **out);

cairo_private void

_cairo_xlib_visual_info_destroy (cairo_xlib_visual_info_t *info);

#endif /* CAIRO_XLIB_PRIVATE_H */