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/*
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 * Copyright © 2006 Red Hat, Inc.
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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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 * Red Hat, Inc. 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. Red Hat, Inc. 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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 * RED HAT, INC. 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 RED HAT, INC. 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: Carl D. Worth <cworth@cworth.org>
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 *         Chris Wilson <chris@chris-wilson.co.uk>
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 */
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#include "cairo-test.h"
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#define SIZE 10
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#define PAD 4
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#define COUNT 4
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static cairo_test_status_t
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3
draw (cairo_t *cr, int width, int height)
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{
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    cairo_surface_t *surface;
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    cairo_t *cr2;
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    int i,j;
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    /* Fill the background */
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3
    cairo_set_source_rgb (cr, 1, 1, 1); /* white */
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3
    cairo_paint (cr);
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3
    surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, SIZE, SIZE);
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3
    cr2 = cairo_create (surface);
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3
    cairo_surface_destroy (surface);
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3
    cairo_set_source_rgb (cr2, 0, 0, 1); /* blue */
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3
    cairo_paint (cr2);
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3
    cairo_set_source_surface (cr, cairo_get_target (cr2), 0, 0);
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3
    cairo_destroy (cr2);
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    for (i = 0; i < COUNT; i++) {
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	for (j = 0; j < COUNT; j++) {
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	    cairo_surface_set_device_offset (surface,
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					     -i*(SIZE+PAD+.5)-PAD,
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					     -j*(SIZE+PAD+.5)-PAD);
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	    cairo_paint (cr);
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	}
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    }
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3
    return CAIRO_TEST_SUCCESS;
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}
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1
CAIRO_TEST (device_offset_fractional,
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	    "Test using image surfaces with fractional device-offsets as sources.",
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	    "device-offset", /* keywords */
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	    NULL, /* requirements */
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	    COUNT*(SIZE+PAD+.5)+PAD, COUNT*(SIZE+PAD+.5)+PAD,
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	    NULL, draw)