Grcov report - halo.c

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/*

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 * Copyright 2010 Intel Corporation

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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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/* Try to replicate the misbehaviour of show_glyphs() versus glyph_path()

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 * in the PDF backend reported by Ian Britten.

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*/

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static void

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halo_around_path (cairo_t *cr, const char *str)

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    cairo_text_path (cr, str);

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24

    cairo_set_source_rgb (cr, 0, .5, 1);

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24

    cairo_stroke_preserve (cr);

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    cairo_set_source_rgb (cr, 1, .5, 0);

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    cairo_fill (cr);

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24

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static void

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24

halo_around_text (cairo_t *cr, const char *str)

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    double x, y;

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    cairo_get_current_point (cr, &x, &y);

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24

    cairo_text_path (cr, str);

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    cairo_set_source_rgb (cr, 0, .5, 1);

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24

    cairo_stroke(cr);

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24

    cairo_set_source_rgb (cr, 1, .5, 0);

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    cairo_move_to (cr, x, y);

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    cairo_show_text  (cr, str);

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24

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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

    const char *string = "0123456789";

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    cairo_text_extents_t extents;

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3

    cairo_set_source_rgb (cr, 1, 1, 1);

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3

    cairo_paint (cr);

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3

    cairo_text_extents (cr, string, &extents);

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3

    cairo_set_font_size (cr, 12);

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3

    cairo_set_line_width (cr, 3);

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3

    cairo_move_to (cr, 9, 4 + extents.height);

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3

    halo_around_path (cr, string);

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3

    cairo_move_to (cr, 109, 4 + extents.height);

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3

    halo_around_text (cr, string);

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3

    cairo_set_font_size (cr, 6);

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3

    cairo_set_line_width (cr, 3);

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3

    cairo_move_to (cr, 19 + extents.width, 20 + extents.height);

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3

    halo_around_path (cr, "0");

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3

    cairo_move_to (cr, 119 + extents.width, 20 + extents.height);

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3

    halo_around_text (cr, "0");

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3

    cairo_set_font_size (cr, 64);

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    cairo_set_line_width (cr, 10);

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3

    cairo_move_to (cr, 8, 70);

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    halo_around_path (cr, "6");

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    cairo_move_to (cr, 32, 90);

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3

    halo_around_path (cr, "7");

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3

    cairo_move_to (cr, 108, 70);

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3

    halo_around_text (cr, "6");

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3

    cairo_move_to (cr, 132, 90);

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3

    halo_around_text (cr, "7");

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3

    return CAIRO_TEST_SUCCESS;

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static cairo_test_status_t

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3

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

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3

    const char *string = "0123456789";

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    cairo_text_extents_t extents;

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3

    cairo_translate (cr, 50, 50);

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3

    cairo_scale (cr, M_SQRT2, M_SQRT2);

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3

    cairo_set_source_rgb (cr, 1, 1, 1);

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3

    cairo_paint (cr);

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3

    cairo_text_extents (cr, string, &extents);

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3

    cairo_set_line_width (cr, 3);

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3

    cairo_move_to (cr, 9, 4 + extents.height);

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    halo_around_path (cr, string);

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3

    cairo_move_to (cr, 109, 4 + extents.height);

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    halo_around_text (cr, string);

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3

    cairo_set_font_size (cr, 6);

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3

    cairo_set_line_width (cr, 3);

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    cairo_move_to (cr, 19 + extents.width, 20 + extents.height);

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3

    halo_around_path (cr, "0");

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    cairo_move_to (cr, 119 + extents.width, 20 + extents.height);

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3

    halo_around_text (cr, "0");

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3

    cairo_set_font_size (cr, 64);

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    cairo_set_line_width (cr, 10);

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    cairo_move_to (cr, 8, 70);

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    halo_around_path (cr, "6");

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3

    cairo_move_to (cr, 32, 90);

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3

    halo_around_path (cr, "7");

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    cairo_move_to (cr, 108, 70);

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    halo_around_text (cr, "6");

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    cairo_move_to (cr, 132, 90);

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    halo_around_text (cr, "7");

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    return CAIRO_TEST_SUCCESS;

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1

CAIRO_TEST (halo,

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	    "Check the show_glyphs() vs glyph_path()",

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	    "text", /* keywords */

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	    NULL, /* requirements */

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	    200, 100,

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	    NULL, draw)

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1

CAIRO_TEST (halo_transform,

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	    "Check the show_glyphs() vs glyph_path()",

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	    "text", /* keywords */

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	    NULL, /* requirements */

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	    400, 200,

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	    NULL, draw_transform)