Grcov report - push-group.c

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/*

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 * Copyright © 2005 Mozilla Corporation

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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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 * Mozilla Corporation 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. Mozilla Corporation 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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 * MOZILLA CORPORATION 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 MOZILLA CORPORATION 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: Vladimir Vukicevic <vladimir@pobox.com>

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*/

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#include "cairo-test.h"

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#define UNIT_SIZE 100

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#define PAD 5

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#define INNER_PAD 10

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#define WIDTH (UNIT_SIZE + PAD) + PAD

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#define HEIGHT (UNIT_SIZE + PAD) + PAD

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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_pattern_t *gradient;

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    int i, j;

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3

    gradient = cairo_pattern_create_linear (UNIT_SIZE - (INNER_PAD*2), 0,

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                                            UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2));

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3

    cairo_pattern_add_color_stop_rgba (gradient, 0.0, 0.3, 0.3, 0.3, 1.0);

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3

    cairo_pattern_add_color_stop_rgba (gradient, 1.0, 1.0, 1.0, 1.0, 1.0);

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    for (j = 0; j < 1; j++) {

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6

        for (i = 0; i < 1; i++) {

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3

            double x = (i * UNIT_SIZE) + (i + 1) * PAD;

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3

            double y = (j * UNIT_SIZE) + (j + 1) * PAD;

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3

            cairo_save (cr);

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3

            cairo_translate (cr, x, y);

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            /* draw a gradient background */

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3

            cairo_save (cr);

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3

            cairo_translate (cr, INNER_PAD, INNER_PAD);

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3

            cairo_new_path (cr);

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3

            cairo_rectangle (cr, 0, 0,

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                             UNIT_SIZE - (INNER_PAD*2), UNIT_SIZE - (INNER_PAD*2));

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3

            cairo_set_source (cr, gradient);

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3

            cairo_fill (cr);

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3

            cairo_restore (cr);

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            /* clip to the unit size */

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3

            cairo_rectangle (cr, 0, 0,

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                             UNIT_SIZE, UNIT_SIZE);

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3

            cairo_clip (cr);

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3

            cairo_rectangle (cr, 0, 0,

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                             UNIT_SIZE, UNIT_SIZE);

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3

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

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3

            cairo_set_line_width (cr, 2);

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3

            cairo_stroke (cr);

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            /* start a group */

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3

            cairo_push_group (cr);

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            /* draw diamond */

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3

            cairo_move_to (cr, UNIT_SIZE / 2, 0);

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3

            cairo_line_to (cr, UNIT_SIZE    , UNIT_SIZE / 2);

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3

            cairo_line_to (cr, UNIT_SIZE / 2, UNIT_SIZE);

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3

            cairo_line_to (cr, 0            , UNIT_SIZE / 2);

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3

            cairo_close_path (cr);

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3

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

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3

            cairo_fill (cr);

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            /* draw circle */

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3

            cairo_arc (cr,

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                       UNIT_SIZE / 2, UNIT_SIZE / 2,

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                       UNIT_SIZE / 3.5,

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                       0, M_PI * 2);

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3

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

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3

            cairo_fill (cr);

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3

            cairo_pop_group_to_source (cr);

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3

            cairo_paint_with_alpha (cr, 0.5);

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3

            cairo_restore (cr);

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3

    cairo_pattern_destroy (gradient);

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3

    return CAIRO_TEST_SUCCESS;

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1

CAIRO_TEST (push_group,

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	    "Verify that cairo_push_group works.",

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	    "group", /* keywords */

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	    NULL, /* requirements */

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	    WIDTH, HEIGHT,

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	    NULL, draw)