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/*
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 * Copyright © 2009 Benjamin Otte
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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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 * Authors: Benjamin Otte <otte@gnome.org>
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 */
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#include "cairo-test.h"

            

        

            

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#define WIDTH 50

            

        

            

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#define HEIGHT 50

            

        

            

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static cairo_pattern_t *

            

        

            

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create_green_source (void)

            

        

            

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{

            

        

            

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  cairo_surface_t *image;

            

        

            

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  cairo_pattern_t *pattern;

            

        

            

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  cairo_t *cr;

            

        

            

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  image = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, WIDTH, HEIGHT);

            

        

            

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  cr = cairo_create (image);

            

        

            

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  cairo_surface_destroy (image);

            

        

            

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  cairo_set_source_rgb (cr, 0, 1, 0);

            

        

            

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  cairo_paint (cr);

            

        

            

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  pattern = cairo_pattern_create_for_surface (cairo_get_target (cr));

            

        

            

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  cairo_destroy (cr);

            

        

            

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  return pattern;

            

        

            

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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_pattern_t *source;

            

        

            

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  double old_x, old_y;

            

        

            

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  cairo_surface_get_device_offset (cairo_get_group_target (cr), &old_x, &old_y);

            

        

            

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  cairo_surface_set_device_offset (cairo_get_group_target (cr), old_x+5, old_y+5);

            

        

            

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                3
            

            

                
  source = create_green_source ();

            

        

            

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  cairo_set_source (cr, source);

            

        

            

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  cairo_pattern_destroy (source);

            

        

            

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                3
            

            

                
  cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);

            

        

            

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  cairo_rectangle (cr, 0, 0, WIDTH, HEIGHT);

            

        

            

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  cairo_clip (cr);

            

        

            

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  cairo_paint (cr);

            

        

            

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  cairo_surface_set_device_offset (cairo_get_group_target (cr), old_x, old_y);

            

        

            

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  return CAIRO_TEST_SUCCESS;

            

        

            

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}

            

        

            

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                1
            

            

                
CAIRO_TEST (clip_device_offset,

            

        

            

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	    "Test clipping on surfaces with device offsets",

            

        

            

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	    "clip", /* keywords */

            

        

            

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	    NULL, /* requirements */

            

        

            

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	    WIDTH+10, HEIGHT+10,

            

        

            

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	    NULL, draw)