Grcov report - rectilinear-fill.c

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/*

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 * Copyright © 2008 Chris Wilson

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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: 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 24

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static void

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draw_rectangles (cairo_t *cr)

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    cairo_save (cr);

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    /* test constructing single rectangles */

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    cairo_rectangle (cr, 0, 0, SIZE/2, 2);

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    cairo_fill (cr);

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    cairo_rectangle (cr, 0, 5, SIZE/2, -2);

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    cairo_fill (cr);

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    cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2);

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    cairo_fill (cr);

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    cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2);

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    cairo_fill (cr);

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    /* test constructing multiple rectangles */

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    cairo_translate (cr, 0, 12);

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    cairo_rectangle (cr, 0, 0, SIZE/2, 2);

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    cairo_rectangle (cr, 0, 5, SIZE/2, -2);

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    cairo_rectangle (cr, SIZE/2, 6, -SIZE/2, 2);

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    cairo_rectangle (cr, SIZE/2, 11, -SIZE/2, -2);

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    cairo_fill (cr);

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    cairo_restore (cr);

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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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    /* Paint background white, then draw in black. */

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    cairo_set_source_rgb (cr, 1.0, 1.0, 1.0); /* white */

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    cairo_paint (cr);

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    cairo_set_source_rgb (cr, 0.0, 0.0, 0.0); /* black */

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    draw_rectangles (cr);

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    /* and check using cw winding */

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    cairo_translate (cr, SIZE, SIZE);

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    cairo_scale (cr, -1, 1);

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    draw_rectangles (cr);

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    return CAIRO_TEST_SUCCESS;

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CAIRO_TEST (rectilinear_fill,

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	    "Test rectilinear fill operations (covering only whole pixels)",

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	    "fill, rectilinear", /* keywords */

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	    NULL, /* requirements */

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	    SIZE, 2 * SIZE,

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	    NULL, draw)