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git-svn-id: svn://kolibrios.org@4349 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
2013-12-15 08:09:20 +00:00
parent 6c6781f799
commit 754f9336f0
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contrib/sdk/sources/cairo/src/cairo-xlib-fallback-compositor.c Normal file
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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 */