Grcov report - ft-color-font.c

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/*

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 * Copyright © 2021 Adrian Johnson

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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: Adrian Johnson <ajohnson@redneon.com>

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*/

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#include "cairo-test.h"

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#include <cairo-ft.h>

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#define SIZE 40

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#define HEIGHT SIZE

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#define WIDTH  (SIZE * 1.5)

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#define FONT "Noto Color Emoji"

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static const char smiley_face_utf8[] = { 0xf0, 0x9f, 0x99, 0x82, 0x00 }; /* U+1F642 */

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static cairo_test_status_t

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3

set_color_emoji_font (cairo_t *cr)

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    cairo_font_options_t *font_options;

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    cairo_font_face_t *font_face;

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    FcPattern *pattern;

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    FcPattern *resolved;

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    FcChar8 *font_name;

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    FcResult result;

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    pattern = FcPatternCreate ();

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    if (pattern == NULL)

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	return CAIRO_TEST_NO_MEMORY;

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3

    FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *) FONT);

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3

    FcConfigSubstitute (NULL, pattern, FcMatchPattern);

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3

    font_options = cairo_font_options_create ();

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    cairo_get_font_options (cr, font_options);

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    cairo_ft_font_options_substitute (font_options, pattern);

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    FcDefaultSubstitute (pattern);

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    resolved = FcFontMatch (NULL, pattern, &result);

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    if (resolved == NULL) {

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	FcPatternDestroy (pattern);

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	return CAIRO_TEST_NO_MEMORY;

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3

    if (FcPatternGetString (resolved, FC_FAMILY, 0, &font_name) == FcResultMatch) {

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3

        if (strcmp((char*)font_name, FONT) != 0) {

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            const cairo_test_context_t *ctx = cairo_test_get_context (cr);

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            cairo_test_log (ctx, "Could not find %s font\n", FONT);

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            return CAIRO_TEST_UNTESTED;

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    } else {

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        return CAIRO_TEST_FAILURE;

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3

    font_face = cairo_ft_font_face_create_for_pattern (resolved);

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    cairo_set_font_face (cr, font_face);

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    cairo_font_options_destroy (font_options);

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    cairo_font_face_destroy (font_face);

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    FcPatternDestroy (pattern);

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    FcPatternDestroy (resolved);

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    return CAIRO_TEST_SUCCESS;

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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_test_status_t result;

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    cairo_font_options_t *font_options;

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    result = set_color_emoji_font (cr);

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    if (result != CAIRO_TEST_SUCCESS)

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        return result;

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    cairo_set_font_size (cr, SIZE/2);

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    cairo_move_to (cr, SIZE/8, 0.7 * SIZE);

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    cairo_show_text(cr, smiley_face_utf8);

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    /* Show that the color mode font option can disable color rendering */

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    font_options = cairo_font_options_create ();

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    cairo_get_font_options (cr, font_options);

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    cairo_font_options_set_color_mode (font_options, CAIRO_COLOR_MODE_NO_COLOR);

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    cairo_set_font_options (cr, font_options);

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    cairo_font_options_destroy (font_options);

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    cairo_show_text(cr, smiley_face_utf8);

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    return CAIRO_TEST_SUCCESS;

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CAIRO_TEST (ft_color_font,

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	    "Test color font",

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	    "ft, font", /* keywords */

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	    NULL, /* requirements */

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	    WIDTH, HEIGHT,

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	    NULL, draw)