Grcov report - paint-with-alpha.c

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/*

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 * Copyright © 2005 Red Hat, Inc.

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 * Copyright © 2006 Red Hat, Inc.

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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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 * 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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 * Author: Carl D. Worth <cworth@cworth.org>

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*/

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#include "cairo-test.h"

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static uint32_t data[16] = {

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    0xffffffff, 0xffffffff,		0xffff0000, 0xffff0000,

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    0xffffffff, 0xffffffff,		0xffff0000, 0xffff0000,

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    0xff00ff00, 0xff00ff00,		0xff0000ff, 0xff0000ff,

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    0xff00ff00, 0xff00ff00,		0xff0000ff, 0xff0000ff

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};

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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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    cairo_surface_t *surface;

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3

    surface = cairo_image_surface_create_for_data ((unsigned char *) data,

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						   CAIRO_FORMAT_RGB24, 4, 4, 16);

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3

    cairo_test_paint_checkered (cr);

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3

    cairo_scale (cr, 4, 4);

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3

    cairo_set_source_surface (cr, surface, 2 , 2);

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3

    cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);

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3

    cairo_paint_with_alpha (cr, 0.5);

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3

    cairo_surface_finish (surface); /* data will go out of scope */

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3

    cairo_surface_destroy (surface);

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3

    return CAIRO_TEST_SUCCESS;

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static cairo_test_status_t

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3

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

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3

    cairo_test_paint_checkered (cr);

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3

    cairo_rectangle (cr, 2.5, 2.5, 27, 27);

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3

    cairo_clip (cr);

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3

    cairo_set_source_rgb (cr, 1., 0.,0.);

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3

    cairo_paint_with_alpha (cr, 0.5);

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3

    return CAIRO_TEST_SUCCESS;

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static cairo_test_status_t

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3

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

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    cairo_surface_t *surface;

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3

    surface = cairo_image_surface_create_for_data ((unsigned char *) data,

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						   CAIRO_FORMAT_RGB24, 4, 4, 16);

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3

    cairo_test_paint_checkered (cr);

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3

    cairo_rectangle (cr, 10.5, 10.5, 11, 11);

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3

    cairo_clip (cr);

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3

    cairo_scale (cr, 4, 4);

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3

    cairo_set_source_surface (cr, surface, 2 , 2);

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    cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);

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3

    cairo_paint_with_alpha (cr, 0.5);

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    cairo_surface_finish (surface); /* data will go out of scope */

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    cairo_surface_destroy (surface);

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    return CAIRO_TEST_SUCCESS;

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static cairo_test_status_t

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3

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

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    cairo_surface_t *surface;

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3

    surface = cairo_image_surface_create_for_data ((unsigned char *) data,

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						   CAIRO_FORMAT_RGB24, 4, 4, 16);

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3

    cairo_test_paint_checkered (cr);

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3

    cairo_move_to (cr, 16, 5);

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3

    cairo_line_to (cr, 5, 16);

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    cairo_line_to (cr, 16, 27);

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    cairo_line_to (cr, 27, 16);

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    cairo_clip (cr);

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    cairo_scale (cr, 4, 4);

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3

    cairo_set_source_surface (cr, surface, 2 , 2);

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    cairo_pattern_set_filter (cairo_get_source (cr), CAIRO_FILTER_NEAREST);

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3

    cairo_paint_with_alpha (cr, 0.5);

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    cairo_surface_finish (surface); /* data will go out of scope */

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    cairo_surface_destroy (surface);

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    return CAIRO_TEST_SUCCESS;

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CAIRO_TEST (paint_with_alpha,

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	    "Simple test of cairo_paint_with_alpha",

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	    "paint, alpha", /* keywords */

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	    NULL, /* requirements */

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	    32, 32,

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	    NULL, draw)

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CAIRO_TEST (paint_with_alpha_solid_clip,

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	    "Simple test of cairo_paint_with_alpha+unaligned clip",

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	    "paint, alpha, clip", /* keywords */

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	    NULL, /* requirements */

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	    32, 32,

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	    NULL, draw_solid_clip)

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CAIRO_TEST (paint_with_alpha_clip,

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	    "Simple test of cairo_paint_with_alpha+unaligned clip",

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	    "paint, alpha, clip", /* keywords */

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	    NULL, /* requirements */

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	    32, 32,

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	    NULL, draw_clip)

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CAIRO_TEST (paint_with_alpha_clip_mask,

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	    "Simple test of cairo_paint_with_alpha+unaligned clip",

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	    "paint, alpha, clip", /* keywords */

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	    NULL, /* requirements */

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	    32, 32,

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	    NULL, draw_clip_mask)