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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 <chris@chris-wilson.co.uk>
* Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation
*/
#ifndef CAIRO_XLIB_PRIVATE_H
#define CAIRO_XLIB_PRIVATE_H
#include "cairo-xlib-xrender-private.h"
#include "cairo-xlib.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"
#include "cairo-scaled-font-private.h"
#include "cairo-surface-private.h"
#include <pixman.h>
#include <string.h>
typedef struct _cairo_xlib_display cairo_xlib_display_t;
typedef struct _cairo_xlib_shm_display cairo_xlib_shm_display_t;
typedef struct _cairo_xlib_screen cairo_xlib_screen_t;
typedef struct _cairo_xlib_source cairo_xlib_source_t;
typedef struct _cairo_xlib_proxy cairo_xlib_proxy_t;
typedef struct _cairo_xlib_surface cairo_xlib_surface_t;
/* size of color cube */
#define CUBE_SIZE 6
/* size of gray ramp */
#define RAMP_SIZE 16
/* maximum number of cached GC's */
#define GC_CACHE_SIZE 4
struct _cairo_xlib_display {
cairo_device_t base;
cairo_xlib_display_t *next;
Display *display;
cairo_list_t screens;
cairo_list_t fonts;
cairo_xlib_shm_display_t *shm;
const cairo_compositor_t *compositor;
int render_major;
int render_minor;
XRenderPictFormat *cached_xrender_formats[CAIRO_FORMAT_RGB30 + 1];
int force_precision;
cairo_surface_t *white;
cairo_surface_t *alpha[256];
cairo_surface_t *solid[32];
uint32_t solid_cache[32]; /* low 16 are opaque, high 16 transparent */
struct {
uint32_t color;
int index;
} last_solid_cache[2];
/* TRUE if the server has a bug with repeating pictures
*
* https://bugs.freedesktop.org/show_bug.cgi?id=3566
*
* We can't test for this because it depends on whether the
* picture is in video memory or not.
*
* We also use this variable as a guard against a second
* independent bug with transformed repeating pictures:
*
* http://lists.freedesktop.org/archives/cairo/2004-September/001839.html
*
* Both are fixed in xorg >= 6.9 and hopefully in > 6.8.2, so
* we can reuse the test for now.
*/
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_list_t surfaces;
cairo_bool_t has_font_options;
cairo_font_options_t font_options;
GC gc[GC_CACHE_SIZE];
uint8_t gc_depths[GC_CACHE_SIZE];
cairo_list_t visuals;
};
enum {
GLYPHSET_INDEX_ARGB32,
GLYPHSET_INDEX_A8,
GLYPHSET_INDEX_A1,
NUM_GLYPHSETS
};
typedef struct _cairo_xlib_font_glyphset {
GlyphSet glyphset;
cairo_format_t format;
XRenderPictFormat *xrender_format;
struct _cairo_xlib_font_glyphset_free_glyphs {
int count;
unsigned long indices[128];
} to_free;
} cairo_xlib_font_glyphset_t;
typedef struct _cairo_xlib_font {
cairo_scaled_font_private_t base;
cairo_scaled_font_t *font;
cairo_device_t *device;
cairo_list_t link;
cairo_xlib_font_glyphset_t glyphset[NUM_GLYPHSETS];
} cairo_xlib_font_t;
struct _cairo_xlib_surface {
cairo_surface_t base;
Picture picture;
Drawable drawable;
const cairo_compositor_t *compositor;
cairo_surface_t *shm;
int fallback;
cairo_xlib_display_t *display;
cairo_xlib_screen_t *screen;
cairo_list_t link;
Display *dpy; /* only valid between acquire/release */
cairo_bool_t owns_pixmap;
Visual *visual;
int use_pixmap;
int width;
int height;
int depth;
int precision;
XRenderPictFormat *xrender_format;
/* XXX pixman_format instead of masks? */
uint32_t a_mask;
uint32_t r_mask;
uint32_t g_mask;
uint32_t b_mask;
struct _cairo_xlib_source {
cairo_surface_t base;
Picture picture;
Pixmap pixmap;
Display *dpy;
unsigned int filter:3;
unsigned int extend:3;
unsigned int has_matrix:1;
unsigned int has_component_alpha:1;
} embedded_source;
};
struct _cairo_xlib_proxy {
struct _cairo_xlib_source source;
cairo_surface_t *owner;
};
inline static cairo_bool_t
_cairo_xlib_vendor_is_xorg (Display *dpy)
{
const char *const vendor = ServerVendor (dpy);
return strstr (vendor, "X.Org") || strstr (vendor, "Xorg");
}
cairo_private cairo_status_t
_cairo_xlib_surface_get_gc (cairo_xlib_display_t *display,
cairo_xlib_surface_t *surface,
GC *gc);
cairo_private cairo_device_t *
_cairo_xlib_device_create (Display *display);
cairo_private void
_cairo_xlib_display_init_shm (cairo_xlib_display_t *display);
cairo_private void
_cairo_xlib_display_fini_shm (cairo_xlib_display_t *display);
cairo_private cairo_xlib_screen_t *
_cairo_xlib_display_get_screen (cairo_xlib_display_t *display,
Screen *screen);
cairo_private cairo_status_t
_cairo_xlib_display_acquire (cairo_device_t *device,
cairo_xlib_display_t **display);
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 void
_cairo_xlib_display_set_precision(cairo_device_t *device,
int precision);
cairo_private XRenderPictFormat *
_cairo_xlib_display_get_xrender_format (cairo_xlib_display_t *display,
cairo_format_t format);
cairo_private XRenderPictFormat *
_cairo_xlib_display_get_xrender_format_for_pixman (cairo_xlib_display_t *display,
pixman_format_code_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_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);
cairo_private const cairo_compositor_t *
_cairo_xlib_core_compositor_get (void);
cairo_private const cairo_compositor_t *
_cairo_xlib_fallback_compositor_get (void);
cairo_private const cairo_compositor_t *
_cairo_xlib_mask_compositor_get (void);
cairo_private const cairo_compositor_t *
_cairo_xlib_traps_compositor_get (void);
cairo_private void
_cairo_xlib_surface_ensure_picture (cairo_xlib_surface_t *surface);
cairo_private void
_cairo_xlib_surface_set_precision (cairo_xlib_surface_t *surface,
cairo_antialias_t antialias);
cairo_private cairo_int_status_t
_cairo_xlib_surface_set_attributes (cairo_xlib_display_t *display,
cairo_xlib_surface_t *surface,
cairo_surface_attributes_t *attributes,
double xc,
double yc);
cairo_private cairo_status_t
_cairo_xlib_surface_draw_image (cairo_xlib_surface_t *surface,
cairo_image_surface_t *image,
int src_x,
int src_y,
int width,
int height,
int dst_x,
int dst_y);
cairo_private cairo_surface_t *
_cairo_xlib_source_create_for_pattern (cairo_surface_t *dst,
const cairo_pattern_t *pattern,
cairo_bool_t is_mask,
const cairo_rectangle_int_t *extents,
const cairo_rectangle_int_t *sample,
int *src_x, int *src_y);
cairo_private void
_cairo_xlib_font_close (cairo_xlib_font_t *font);
#define CAIRO_RENDER_AT_LEAST(surface, major, minor) \
(((surface)->render_major > major) || \
(((surface)->render_major == major) && ((surface)->render_minor >= minor)))
#define CAIRO_RENDER_HAS_CREATE_PICTURE(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0)
#define CAIRO_RENDER_HAS_COMPOSITE(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0)
#define CAIRO_RENDER_HAS_COMPOSITE_TEXT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0)
#define CAIRO_RENDER_HAS_FILL_RECTANGLES(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 1)
#define CAIRO_RENDER_HAS_DISJOINT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 2)
#define CAIRO_RENDER_HAS_CONJOINT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 2)
#define CAIRO_RENDER_HAS_TRAPEZOIDS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
#define CAIRO_RENDER_HAS_TRIANGLES(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
#define CAIRO_RENDER_HAS_TRISTRIP(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
#define CAIRO_RENDER_HAS_TRIFAN(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
#define CAIRO_RENDER_HAS_PICTURE_TRANSFORM(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 6)
#define CAIRO_RENDER_HAS_FILTERS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 6)
#define CAIRO_RENDER_HAS_FILTER_GOOD(surface) FALSE
#define CAIRO_RENDER_HAS_FILTER_BEST(surface) FALSE
#define CAIRO_RENDER_HAS_EXTENDED_REPEAT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 10)
#define CAIRO_RENDER_HAS_GRADIENTS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 10)
#define CAIRO_RENDER_HAS_PDF_OPERATORS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 11)
#define CAIRO_RENDER_SUPPORTS_OPERATOR(surface, op) \
((op) <= CAIRO_OPERATOR_SATURATE || \
(CAIRO_RENDER_HAS_PDF_OPERATORS(surface) && \
(op) <= CAIRO_OPERATOR_HSL_LUMINOSITY))
/*
* Return whether two xlib surfaces share the same
* screen. Both core and Render drawing require this
* when using multiple drawables in an operation.
*/
static inline cairo_bool_t
_cairo_xlib_surface_same_screen (cairo_xlib_surface_t *dst,
cairo_xlib_surface_t *src)
{
return dst->screen == src->screen;
}
cairo_private cairo_int_status_t
_cairo_xlib_core_fill_boxes (cairo_xlib_surface_t *dst,
const cairo_color_t *color,
cairo_boxes_t *boxes);
cairo_private cairo_int_status_t
_cairo_xlib_core_fill_rectangles (cairo_xlib_surface_t *dst,
const cairo_color_t *color,
int num_rects,
cairo_rectangle_int_t *rects);
static inline void
_cairo_xlib_surface_put_gc (cairo_xlib_display_t *display,
cairo_xlib_surface_t *surface,
GC gc)
{
_cairo_xlib_screen_put_gc (display,
surface->screen,
surface->depth,
gc);
}
cairo_private cairo_surface_t *
_cairo_xlib_surface_create_similar_shm (void *surface,
cairo_format_t format,
int width, int height);
cairo_private cairo_surface_t *
_cairo_xlib_surface_get_shm (cairo_xlib_surface_t *surface,
cairo_bool_t overwrite);
cairo_private cairo_int_status_t
_cairo_xlib_surface_put_shm (cairo_xlib_surface_t *surface);
cairo_private cairo_surface_t *
_cairo_xlib_surface_create_shm (cairo_xlib_surface_t *other,
pixman_format_code_t format,
int width, int height);
cairo_private cairo_surface_t *
_cairo_xlib_surface_create_shm__image (cairo_xlib_surface_t *surface,
pixman_format_code_t format,
int width, int height);
cairo_private void
_cairo_xlib_shm_surface_get_ximage (cairo_surface_t *surface,
XImage *ximage);
cairo_private void *
_cairo_xlib_shm_surface_get_obdata (cairo_surface_t *surface);
cairo_private void
_cairo_xlib_shm_surface_mark_active (cairo_surface_t *shm);
cairo_private cairo_bool_t
_cairo_xlib_shm_surface_is_active (cairo_surface_t *surface);
cairo_private cairo_bool_t
_cairo_xlib_shm_surface_is_idle (cairo_surface_t *surface);
cairo_private Pixmap
_cairo_xlib_shm_surface_get_pixmap (cairo_surface_t *surface);
cairo_private XRenderPictFormat *
_cairo_xlib_shm_surface_get_xrender_format (cairo_surface_t *surface);
cairo_private pixman_format_code_t
_pixman_format_for_xlib_surface (cairo_xlib_surface_t *surface);
#endif /* CAIRO_XLIB_PRIVATE_H */