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/*
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 * Copyright 2008 Chris Wilson
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 *
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 * Permission to use, copy, modify, distribute, and sell this software
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 * and its documentation for any purpose is hereby granted without
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 * fee, provided that the above copyright notice appear in all copies
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 * and that both that copyright notice and this permission notice
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 * appear in supporting documentation, and that the name of
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 * Chris Wilson not be used in advertising or publicity pertaining to
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 * distribution of the software without specific, written prior
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 * permission. Chris Wilson makes no representations about the
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 * suitability of this software for any purpose.  It is provided "as
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 * is" without express or implied warranty.
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 *
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 * CHRIS WILSON DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
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 * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 * FITNESS, IN NO EVENT SHALL CHRIS WILSON BE LIABLE FOR ANY SPECIAL,
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 * INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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 * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
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 * IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 *
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 * Author: Chris Wilson <chris@chris-wilson.co.uk>
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 */
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#include "cairo-test.h"

            

        

            

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static cairo_surface_t *

            

        

            

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create_source (cairo_surface_t *target, int width, int height)

            

        

            

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{

            

        

            

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    cairo_surface_t *similar;

            

        

            

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    cairo_t *cr;

            

        

            

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    similar = cairo_surface_create_similar (target,

            

        

            

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					    CAIRO_CONTENT_ALPHA,

            

        

            

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					    width, height);

            

        

            

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    cr = cairo_create (similar);

            

        

            

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    cairo_surface_destroy (similar);

            

        

            

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    cairo_set_source_rgba (cr, 1, 0, 0, .5);

            

        

            

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    cairo_paint (cr);

            

        

            

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    similar = cairo_surface_reference (cairo_get_target (cr));

            

        

            

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    cairo_destroy (cr);

            

        

            

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    return similar;

            

        

            

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}

            

        

            

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static cairo_test_status_t

            

        

            

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draw (cairo_t *cr, int width, int height)

            

        

            

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{

            

        

            

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    cairo_surface_t *source;

            

        

            

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    source = create_source (cairo_get_target (cr), width, height);

            

        

            

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    cairo_set_source_surface (cr, source, 0, 0);

            

        

            

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    cairo_surface_destroy (source);

            

        

            

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    cairo_paint (cr);

            

        

            

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    return CAIRO_TEST_SUCCESS;

            

        

            

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}

            

        

            

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/*

            

        

            

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 * XFAIL: discrepancy between backends in applying color components of a pure

            

        

            

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 * alpha surface

            

        

            

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 */

            

        

            

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CAIRO_TEST (alpha_similar,

            

        

            

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	    "Tests creation of similar alpha surfaces"

            

        

            

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	    "\nApplication of a pure-alpha similar source is inconsistent across backends.",

            

        

            

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	    "alpha, similar", /* keywords */

            

        

            

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	    NULL, /* requirements */

            

        

            

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	    10, 10,

            

        

            

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	    NULL, draw)

            

        

            

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