forked from KolibriOS/kolibrios
469 lines
14 KiB
C
469 lines
14 KiB
C
/* Cairo - a vector graphics library with display and print output
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*
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* Copyright © 2005 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* The Original Code is the cairo graphics library.
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*
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* The Initial Developer of the Original Code is Red Hat, Inc.
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*
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* Contributors(s):
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* Chris Wilson <chris@chris-wilson.co.uk>
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* Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation
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*/
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#ifndef CAIRO_XLIB_PRIVATE_H
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#define CAIRO_XLIB_PRIVATE_H
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#include "cairo-xlib.h"
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#include "cairo-xlib-xrender-private.h"
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#include "cairo-compiler-private.h"
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#include "cairo-device-private.h"
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#include "cairo-freelist-type-private.h"
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#include "cairo-list-private.h"
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#include "cairo-reference-count-private.h"
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#include "cairo-types-private.h"
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#include "cairo-scaled-font-private.h"
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#include "cairo-surface-private.h"
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#include <pixman.h>
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#include <string.h>
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typedef struct _cairo_xlib_display cairo_xlib_display_t;
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typedef struct _cairo_xlib_shm_display cairo_xlib_shm_display_t;
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typedef struct _cairo_xlib_screen cairo_xlib_screen_t;
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typedef struct _cairo_xlib_source cairo_xlib_source_t;
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typedef struct _cairo_xlib_proxy cairo_xlib_proxy_t;
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typedef struct _cairo_xlib_surface cairo_xlib_surface_t;
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/* size of color cube */
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#define CUBE_SIZE 6
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/* size of gray ramp */
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#define RAMP_SIZE 16
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/* maximum number of cached GC's */
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#define GC_CACHE_SIZE 4
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struct _cairo_xlib_display {
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cairo_device_t base;
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cairo_xlib_display_t *next;
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Display *display;
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cairo_list_t screens;
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cairo_list_t fonts;
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cairo_xlib_shm_display_t *shm;
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const cairo_compositor_t *compositor;
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int render_major;
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int render_minor;
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XRenderPictFormat *cached_xrender_formats[CAIRO_FORMAT_RGB16_565 + 1];
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int force_precision;
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cairo_surface_t *white;
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cairo_surface_t *alpha[256];
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cairo_surface_t *solid[32];
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uint32_t solid_cache[32]; /* low 16 are opaque, high 16 transparent */
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struct {
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uint32_t color;
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int index;
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} last_solid_cache[2];
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/* TRUE if the server has a bug with repeating pictures
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*
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* https://bugs.freedesktop.org/show_bug.cgi?id=3566
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*
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* We can't test for this because it depends on whether the
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* picture is in video memory or not.
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*
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* We also use this variable as a guard against a second
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* independent bug with transformed repeating pictures:
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*
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* http://lists.freedesktop.org/archives/cairo/2004-September/001839.html
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*
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* Both are fixed in xorg >= 6.9 and hopefully in > 6.8.2, so
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* we can reuse the test for now.
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*/
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unsigned int buggy_gradients : 1;
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unsigned int buggy_pad_reflect : 1;
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unsigned int buggy_repeat : 1;
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unsigned int closed :1;
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};
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typedef struct _cairo_xlib_visual_info {
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cairo_list_t link;
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VisualID visualid;
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struct { uint8_t a, r, g, b; } colors[256];
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uint8_t cube_to_pseudocolor[CUBE_SIZE][CUBE_SIZE][CUBE_SIZE];
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uint8_t field8_to_cube[256];
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int8_t dither8_to_cube[256];
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uint8_t gray8_to_pseudocolor[256];
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} cairo_xlib_visual_info_t;
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struct _cairo_xlib_screen {
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cairo_list_t link;
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cairo_device_t *device;
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Screen *screen;
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cairo_list_t surfaces;
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cairo_bool_t has_font_options;
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cairo_font_options_t font_options;
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GC gc[GC_CACHE_SIZE];
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uint8_t gc_depths[GC_CACHE_SIZE];
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cairo_list_t visuals;
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};
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enum {
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GLYPHSET_INDEX_ARGB32,
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GLYPHSET_INDEX_A8,
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GLYPHSET_INDEX_A1,
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NUM_GLYPHSETS
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};
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typedef struct _cairo_xlib_font_glyphset {
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GlyphSet glyphset;
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cairo_format_t format;
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XRenderPictFormat *xrender_format;
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struct _cairo_xlib_font_glyphset_free_glyphs {
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int count;
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unsigned long indices[128];
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} to_free;
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} cairo_xlib_font_glyphset_t;
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typedef struct _cairo_xlib_font {
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cairo_scaled_font_private_t base;
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cairo_scaled_font_t *font;
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cairo_device_t *device;
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cairo_list_t link;
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cairo_xlib_font_glyphset_t glyphset[NUM_GLYPHSETS];
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} cairo_xlib_font_t;
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struct _cairo_xlib_surface {
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cairo_surface_t base;
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Picture picture;
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Drawable drawable;
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const cairo_compositor_t *compositor;
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cairo_surface_t *shm;
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int fallback;
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cairo_xlib_display_t *display;
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cairo_xlib_screen_t *screen;
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cairo_list_t link;
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Display *dpy; /* only valid between acquire/release */
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cairo_bool_t owns_pixmap;
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Visual *visual;
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int use_pixmap;
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int width;
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int height;
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int depth;
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int precision;
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XRenderPictFormat *xrender_format;
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/* XXX pixman_format instead of masks? */
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uint32_t a_mask;
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uint32_t r_mask;
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uint32_t g_mask;
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uint32_t b_mask;
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struct _cairo_xlib_source {
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cairo_surface_t base;
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Picture picture;
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Pixmap pixmap;
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Display *dpy;
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unsigned int filter:3;
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unsigned int extend:3;
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unsigned int has_matrix:1;
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unsigned int has_component_alpha:1;
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} embedded_source;
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};
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struct _cairo_xlib_proxy {
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struct _cairo_xlib_source source;
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cairo_surface_t *owner;
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};
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inline static cairo_bool_t
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_cairo_xlib_vendor_is_xorg (Display *dpy)
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{
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const char *const vendor = ServerVendor (dpy);
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return strstr (vendor, "X.Org") || strstr (vendor, "Xorg");
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}
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cairo_private cairo_status_t
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_cairo_xlib_surface_get_gc (cairo_xlib_display_t *display,
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cairo_xlib_surface_t *surface,
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GC *gc);
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cairo_private cairo_device_t *
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_cairo_xlib_device_create (Display *display);
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cairo_private void
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_cairo_xlib_display_init_shm (cairo_xlib_display_t *display);
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cairo_private void
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_cairo_xlib_display_fini_shm (cairo_xlib_display_t *display);
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cairo_private cairo_xlib_screen_t *
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_cairo_xlib_display_get_screen (cairo_xlib_display_t *display,
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Screen *screen);
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cairo_private cairo_status_t
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_cairo_xlib_display_acquire (cairo_device_t *device,
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cairo_xlib_display_t **display);
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cairo_private cairo_bool_t
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_cairo_xlib_display_has_repeat (cairo_device_t *device);
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cairo_private cairo_bool_t
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_cairo_xlib_display_has_reflect (cairo_device_t *device);
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cairo_private cairo_bool_t
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_cairo_xlib_display_has_gradients (cairo_device_t *device);
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cairo_private void
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_cairo_xlib_display_set_precision(cairo_device_t *device,
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int precision);
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cairo_private XRenderPictFormat *
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_cairo_xlib_display_get_xrender_format (cairo_xlib_display_t *display,
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cairo_format_t format);
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cairo_private XRenderPictFormat *
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_cairo_xlib_display_get_xrender_format_for_pixman (cairo_xlib_display_t *display,
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pixman_format_code_t format);
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cairo_private cairo_status_t
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_cairo_xlib_screen_get (Display *dpy,
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Screen *screen,
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cairo_xlib_screen_t **out);
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cairo_private void
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_cairo_xlib_screen_destroy (cairo_xlib_display_t *display,
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cairo_xlib_screen_t *info);
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cairo_private GC
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_cairo_xlib_screen_get_gc (cairo_xlib_display_t *display,
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cairo_xlib_screen_t *info,
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int depth,
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Drawable drawable);
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cairo_private void
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_cairo_xlib_screen_put_gc (cairo_xlib_display_t *display,
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cairo_xlib_screen_t *info,
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int depth,
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GC gc);
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cairo_private cairo_font_options_t *
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_cairo_xlib_screen_get_font_options (cairo_xlib_screen_t *info);
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cairo_private cairo_status_t
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_cairo_xlib_screen_get_visual_info (cairo_xlib_display_t *display,
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cairo_xlib_screen_t *info,
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Visual *visual,
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cairo_xlib_visual_info_t **out);
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cairo_private cairo_status_t
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_cairo_xlib_visual_info_create (Display *dpy,
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int screen,
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VisualID visualid,
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cairo_xlib_visual_info_t **out);
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cairo_private void
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_cairo_xlib_visual_info_destroy (cairo_xlib_visual_info_t *info);
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cairo_private const cairo_compositor_t *
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_cairo_xlib_core_compositor_get (void);
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cairo_private const cairo_compositor_t *
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_cairo_xlib_fallback_compositor_get (void);
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cairo_private const cairo_compositor_t *
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_cairo_xlib_mask_compositor_get (void);
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cairo_private const cairo_compositor_t *
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_cairo_xlib_traps_compositor_get (void);
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cairo_private void
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_cairo_xlib_surface_ensure_picture (cairo_xlib_surface_t *surface);
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cairo_private void
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_cairo_xlib_surface_set_precision (cairo_xlib_surface_t *surface,
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cairo_antialias_t antialias);
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cairo_private cairo_int_status_t
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_cairo_xlib_surface_set_attributes (cairo_xlib_display_t *display,
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cairo_xlib_surface_t *surface,
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cairo_surface_attributes_t *attributes,
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double xc,
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double yc);
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cairo_private cairo_status_t
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_cairo_xlib_surface_draw_image (cairo_xlib_surface_t *surface,
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cairo_image_surface_t *image,
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int src_x,
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int src_y,
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int width,
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int height,
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int dst_x,
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int dst_y);
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cairo_private cairo_surface_t *
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_cairo_xlib_source_create_for_pattern (cairo_surface_t *dst,
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const cairo_pattern_t *pattern,
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cairo_bool_t is_mask,
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const cairo_rectangle_int_t *extents,
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const cairo_rectangle_int_t *sample,
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int *src_x, int *src_y);
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cairo_private void
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_cairo_xlib_font_close (cairo_xlib_font_t *font);
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#define CAIRO_RENDER_AT_LEAST(surface, major, minor) \
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(((surface)->render_major > major) || \
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(((surface)->render_major == major) && ((surface)->render_minor >= minor)))
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#define CAIRO_RENDER_HAS_CREATE_PICTURE(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0)
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#define CAIRO_RENDER_HAS_COMPOSITE(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0)
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#define CAIRO_RENDER_HAS_COMPOSITE_TEXT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 0)
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#define CAIRO_RENDER_HAS_FILL_RECTANGLES(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 1)
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#define CAIRO_RENDER_HAS_DISJOINT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 2)
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#define CAIRO_RENDER_HAS_CONJOINT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 2)
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#define CAIRO_RENDER_HAS_TRAPEZOIDS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
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#define CAIRO_RENDER_HAS_TRIANGLES(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
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#define CAIRO_RENDER_HAS_TRISTRIP(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
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#define CAIRO_RENDER_HAS_TRIFAN(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 4)
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#define CAIRO_RENDER_HAS_PICTURE_TRANSFORM(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 6)
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#define CAIRO_RENDER_HAS_FILTERS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 6)
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#define CAIRO_RENDER_HAS_EXTENDED_REPEAT(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 10)
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#define CAIRO_RENDER_HAS_GRADIENTS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 10)
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#define CAIRO_RENDER_HAS_PDF_OPERATORS(surface) CAIRO_RENDER_AT_LEAST((surface), 0, 11)
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#define CAIRO_RENDER_SUPPORTS_OPERATOR(surface, op) \
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((op) <= CAIRO_OPERATOR_SATURATE || \
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(CAIRO_RENDER_HAS_PDF_OPERATORS(surface) && \
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(op) <= CAIRO_OPERATOR_HSL_LUMINOSITY))
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/*
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* Return whether two xlib surfaces share the same
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* screen. Both core and Render drawing require this
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* when using multiple drawables in an operation.
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*/
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static inline cairo_bool_t
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_cairo_xlib_surface_same_screen (cairo_xlib_surface_t *dst,
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cairo_xlib_surface_t *src)
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{
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return dst->screen == src->screen;
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}
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cairo_private cairo_int_status_t
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_cairo_xlib_core_fill_boxes (cairo_xlib_surface_t *dst,
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const cairo_color_t *color,
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cairo_boxes_t *boxes);
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cairo_private cairo_int_status_t
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_cairo_xlib_core_fill_rectangles (cairo_xlib_surface_t *dst,
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const cairo_color_t *color,
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int num_rects,
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cairo_rectangle_int_t *rects);
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static inline void
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_cairo_xlib_surface_put_gc (cairo_xlib_display_t *display,
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cairo_xlib_surface_t *surface,
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GC gc)
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{
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_cairo_xlib_screen_put_gc (display,
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surface->screen,
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surface->depth,
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gc);
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}
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cairo_private cairo_surface_t *
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_cairo_xlib_surface_create_similar_shm (void *surface,
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cairo_format_t format,
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int width, int height);
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cairo_private cairo_surface_t *
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_cairo_xlib_surface_get_shm (cairo_xlib_surface_t *surface,
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cairo_bool_t overwrite);
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cairo_private cairo_int_status_t
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_cairo_xlib_surface_put_shm (cairo_xlib_surface_t *surface);
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cairo_private cairo_surface_t *
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_cairo_xlib_surface_create_shm (cairo_xlib_surface_t *other,
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pixman_format_code_t format,
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int width, int height);
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cairo_private cairo_surface_t *
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_cairo_xlib_surface_create_shm__image (cairo_xlib_surface_t *surface,
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pixman_format_code_t format,
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int width, int height);
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cairo_private void
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_cairo_xlib_shm_surface_get_ximage (cairo_surface_t *surface,
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XImage *ximage);
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cairo_private void *
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_cairo_xlib_shm_surface_get_obdata (cairo_surface_t *surface);
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cairo_private void
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_cairo_xlib_shm_surface_mark_active (cairo_surface_t *shm);
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cairo_private cairo_bool_t
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_cairo_xlib_shm_surface_is_active (cairo_surface_t *surface);
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cairo_private cairo_bool_t
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_cairo_xlib_shm_surface_is_idle (cairo_surface_t *surface);
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cairo_private Pixmap
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_cairo_xlib_shm_surface_get_pixmap (cairo_surface_t *surface);
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cairo_private XRenderPictFormat *
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_cairo_xlib_shm_surface_get_xrender_format (cairo_surface_t *surface);
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cairo_private pixman_format_code_t
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_pixman_format_for_xlib_surface (cairo_xlib_surface_t *surface);
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#endif /* CAIRO_XLIB_PRIVATE_H */
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