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/* -*- Mode: c; c-basic-offset: 4; indent-tabs-mode: t; tab-width: 8; -*- */ |
/* cairo - a vector graphics library with display and print output |
* |
* Copyright © 2002 University of Southern California |
* Copyright © 2005 Red Hat, Inc. |
* Copyright © 2011 Intel Corporation |
* |
* 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 University of Southern |
* California. |
* |
* Contributor(s): |
* Carl D. Worth <cworth@cworth.org> |
* Behdad Esfahbod <behdad@behdad.org> |
* Chris Wilson <chris@chris-wilson.co.uk> |
* Karl Tomlinson <karlt+@karlt.net>, Mozilla Corporation |
*/ |
|
#include "cairoint.h" |
|
#if !CAIRO_HAS_XLIB_XCB_FUNCTIONS |
|
#include "cairo-xlib-private.h" |
|
#include "cairo-compositor-private.h" |
#include "cairo-image-surface-private.h" |
#include "cairo-surface-offset-private.h" |
|
static const cairo_compositor_t * |
_get_compositor (cairo_surface_t *surface) |
{ |
return ((cairo_image_surface_t *)surface)->compositor; |
} |
|
static cairo_bool_t |
unclipped (cairo_xlib_surface_t *xlib, cairo_clip_t *clip) |
{ |
cairo_rectangle_int_t r; |
|
r.x = r.y = 0; |
r.width = xlib->width; |
r.height = xlib->height; |
return _cairo_clip_contains_rectangle (clip, &r); |
} |
|
static cairo_int_status_t |
_cairo_xlib_shm_compositor_paint (const cairo_compositor_t *_compositor, |
cairo_composite_rectangles_t *extents) |
{ |
cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; |
cairo_int_status_t status; |
cairo_surface_t *shm; |
cairo_bool_t overwrite; |
|
TRACE ((stderr, "%s\n", __FUNCTION__)); |
|
overwrite = |
extents->op <= CAIRO_OPERATOR_SOURCE && unclipped (xlib, extents->clip); |
|
shm = _cairo_xlib_surface_get_shm (xlib, overwrite); |
if (shm == NULL) |
return CAIRO_INT_STATUS_UNSUPPORTED; |
|
status = _cairo_compositor_paint (_get_compositor (shm), shm, |
extents->op, |
&extents->source_pattern.base, |
extents->clip); |
if (unlikely (status)) |
return status; |
|
xlib->base.is_clear = |
extents->op == CAIRO_OPERATOR_CLEAR && unclipped (xlib, extents->clip); |
xlib->base.serial++; |
xlib->fallback++; |
return CAIRO_INT_STATUS_NOTHING_TO_DO; |
} |
|
static cairo_int_status_t |
_cairo_xlib_shm_compositor_mask (const cairo_compositor_t *_compositor, |
cairo_composite_rectangles_t *extents) |
{ |
cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; |
cairo_int_status_t status; |
cairo_surface_t *shm; |
|
TRACE ((stderr, "%s\n", __FUNCTION__)); |
|
shm = _cairo_xlib_surface_get_shm (xlib, FALSE); |
if (shm == NULL) |
return CAIRO_INT_STATUS_UNSUPPORTED; |
|
status = _cairo_compositor_mask (_get_compositor (shm), shm, |
extents->op, |
&extents->source_pattern.base, |
&extents->mask_pattern.base, |
extents->clip); |
if (unlikely (status)) |
return status; |
|
xlib->base.is_clear = FALSE; |
xlib->base.serial++; |
xlib->fallback++; |
return CAIRO_INT_STATUS_NOTHING_TO_DO; |
} |
|
static cairo_int_status_t |
_cairo_xlib_shm_compositor_stroke (const cairo_compositor_t *_compositor, |
cairo_composite_rectangles_t *extents, |
const cairo_path_fixed_t *path, |
const cairo_stroke_style_t *style, |
const cairo_matrix_t *ctm, |
const cairo_matrix_t *ctm_inverse, |
double tolerance, |
cairo_antialias_t antialias) |
{ |
cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; |
cairo_int_status_t status; |
cairo_surface_t *shm; |
|
TRACE ((stderr, "%s\n", __FUNCTION__)); |
|
shm = _cairo_xlib_surface_get_shm (xlib, FALSE); |
if (shm == NULL) |
return CAIRO_INT_STATUS_UNSUPPORTED; |
|
status = _cairo_compositor_stroke (_get_compositor (shm), shm, |
extents->op, |
&extents->source_pattern.base, |
path, style, |
ctm, ctm_inverse, |
tolerance, |
antialias, |
extents->clip); |
if (unlikely (status)) |
return status; |
|
xlib->base.is_clear = FALSE; |
xlib->base.serial++; |
xlib->fallback++; |
return CAIRO_INT_STATUS_NOTHING_TO_DO; |
} |
|
static cairo_int_status_t |
_cairo_xlib_shm_compositor_fill (const cairo_compositor_t *_compositor, |
cairo_composite_rectangles_t *extents, |
const cairo_path_fixed_t *path, |
cairo_fill_rule_t fill_rule, |
double tolerance, |
cairo_antialias_t antialias) |
{ |
cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; |
cairo_int_status_t status; |
cairo_surface_t *shm; |
|
TRACE ((stderr, "%s\n", __FUNCTION__)); |
|
shm = _cairo_xlib_surface_get_shm (xlib, FALSE); |
if (shm == NULL) |
return CAIRO_INT_STATUS_UNSUPPORTED; |
|
status = _cairo_compositor_fill (_get_compositor (shm), shm, |
extents->op, |
&extents->source_pattern.base, |
path, |
fill_rule, tolerance, antialias, |
extents->clip); |
if (unlikely (status)) |
return status; |
|
xlib->base.is_clear = FALSE; |
xlib->base.serial++; |
xlib->fallback++; |
return CAIRO_INT_STATUS_NOTHING_TO_DO; |
} |
|
static cairo_int_status_t |
_cairo_xlib_shm_compositor_glyphs (const cairo_compositor_t *_compositor, |
cairo_composite_rectangles_t *extents, |
cairo_scaled_font_t *scaled_font, |
cairo_glyph_t *glyphs, |
int num_glyphs, |
cairo_bool_t overlap) |
{ |
cairo_xlib_surface_t *xlib = (cairo_xlib_surface_t *)extents->surface; |
cairo_int_status_t status; |
cairo_surface_t *shm; |
|
TRACE ((stderr, "%s\n", __FUNCTION__)); |
|
shm = _cairo_xlib_surface_get_shm (xlib, FALSE); |
if (shm == NULL) |
return CAIRO_INT_STATUS_UNSUPPORTED; |
|
status = _cairo_compositor_glyphs (_get_compositor (shm), shm, |
extents->op, |
&extents->source_pattern.base, |
glyphs, num_glyphs, scaled_font, |
extents->clip); |
if (unlikely (status)) |
return status; |
|
xlib->base.is_clear = FALSE; |
xlib->base.serial++; |
xlib->fallback++; |
return CAIRO_INT_STATUS_NOTHING_TO_DO; |
} |
|
static const cairo_compositor_t _cairo_xlib_shm_compositor = { |
&_cairo_fallback_compositor, |
|
_cairo_xlib_shm_compositor_paint, |
_cairo_xlib_shm_compositor_mask, |
_cairo_xlib_shm_compositor_stroke, |
_cairo_xlib_shm_compositor_fill, |
_cairo_xlib_shm_compositor_glyphs, |
}; |
|
const cairo_compositor_t * |
_cairo_xlib_fallback_compositor_get (void) |
{ |
return &_cairo_xlib_shm_compositor; |
} |
|
#endif /* !CAIRO_HAS_XLIB_XCB_FUNCTIONS */ |