Grcov report - over-around-source.c

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/*

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 * Copyright © 2007 Red Hat, Inc.

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 * Permission is hereby granted, free of charge, to any person

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 * obtaining a copy of this software and associated documentation

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 * files (the "Software"), to deal in the Software without

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 * restriction, including without limitation the rights to use, copy,

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 * modify, merge, publish, distribute, sublicense, and/or sell copies

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 * of the Software, and to permit persons to whom the Software is

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 * furnished to do so, subject to the following conditions:

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 * The above copyright notice and this permission notice shall be

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 * included in all copies or substantial portions of the Software.

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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

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 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

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 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

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 * 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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#define SIZE 40

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#define PAD 2

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#define WIDTH (PAD + SIZE + PAD)

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#define HEIGHT WIDTH

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/* This test is designed to explore the interactions of "native" and

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 * "fallback" objects. For the ps surface, OVER with non-1.0 opacity

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 * will be a fallback while SOURCE will be native. For the pdf

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 * surface, it's the reverse where OVER is native while SOURCE is a

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 * fallback. */

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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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3

    cairo_translate (cr, PAD, PAD);

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    /* A green triangle with OVER */

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3

    cairo_move_to     (cr,  SIZE / 5, SIZE / 5);

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3

    cairo_rel_line_to (cr,  SIZE / 2, 0);

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3

    cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);

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3

    cairo_close_path (cr);

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3

    cairo_set_operator (cr, CAIRO_OPERATOR_OVER);

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3

    cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */

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3

    cairo_fill (cr);

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    /* A red circle with SOURCE */

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3

    cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI);

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3

    cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);

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3

    cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */

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3

    cairo_fill (cr);

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    /* Another green triangle with OVER */

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3

    cairo_move_to     (cr,  SIZE / 2, SIZE / 2);

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3

    cairo_rel_line_to (cr,  SIZE / 2, 0);

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3

    cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);

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3

    cairo_close_path (cr);

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3

    cairo_set_operator (cr, CAIRO_OPERATOR_OVER);

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3

    cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */

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    cairo_fill (cr);

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3

    return CAIRO_TEST_SUCCESS;

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CAIRO_TEST (over_around_source,

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	    "A simple test drawing a triangle with SOURCE between two circles drawn with OVER",

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	    "operator", /* keywords */

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	    NULL, /* requirements */

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	    WIDTH, HEIGHT,

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	    NULL, draw)