mirror of
https://gitlab.freedesktop.org/cairo/cairo.git
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118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/*
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* Copyright © 2021 Adrian Johnson
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*
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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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*
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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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*
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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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*
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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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set_color_emoji_font (cairo_t *cr)
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{
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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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FcPatternAddString (pattern, FC_FAMILY, (FcChar8 *) FONT);
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FcConfigSubstitute (NULL, pattern, FcMatchPattern);
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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_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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}
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if (FcPatternGetString (resolved, FC_FAMILY, 0, &font_name) == FcResultMatch) {
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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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}
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} else {
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return CAIRO_TEST_FAILURE;
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}
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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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}
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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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{
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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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}
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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)
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