853 lines
36 KiB
C
853 lines
36 KiB
C
/*
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* Copyright © 2020 Ebrahim Byagowi
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*/
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#include "hb-test.h"
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#include <hb.h>
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typedef struct user_data_t
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{
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char *str;
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unsigned size;
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unsigned consumed;
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} user_data_t;
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/* Our modified itoa, why not using libc's? it is going to be used
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in harfbuzzjs where libc isn't available */
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static void _hb_reverse (char *buf, unsigned int len)
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{
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unsigned start = 0, end = len - 1;
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while (start < end)
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{
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char c = buf[end];
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buf[end] = buf[start];
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buf[start] = c;
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start++; end--;
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}
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}
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static unsigned _hb_itoa (int32_t num, char *buf)
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{
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unsigned int i = 0;
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hb_bool_t is_negative = num < 0;
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if (is_negative) num = -num;
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do
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{
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buf[i++] = '0' + num % 10;
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num /= 10;
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} while (num);
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if (is_negative) buf[i++] = '-';
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_hb_reverse (buf, i);
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buf[i] = '\0';
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return i;
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}
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#define ITOA_BUF_SIZE 12 // 10 digits in int32, 1 for negative sign, 1 for \0
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static void
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test_itoa (void)
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{
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char s[] = "12345";
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_hb_reverse (s, 5);
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g_assert_cmpmem (s, 5, "54321", 5);
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{
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unsigned num = 12345;
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char buf[ITOA_BUF_SIZE];
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unsigned len = _hb_itoa (num, buf);
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g_assert_cmpmem (buf, len, "12345", 5);
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}
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{
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unsigned num = 3152;
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char buf[ITOA_BUF_SIZE];
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unsigned len = _hb_itoa (num, buf);
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g_assert_cmpmem (buf, len, "3152", 4);
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}
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{
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int num = -6457;
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char buf[ITOA_BUF_SIZE];
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unsigned len = _hb_itoa (num, buf);
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g_assert_cmpmem (buf, len, "-6457", 5);
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}
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}
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static void
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move_to (hb_position_t to_x, hb_position_t to_y, user_data_t *user_data)
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{
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/* 4 = command character space + comma + array starts with 0 index + nul character space */
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if (user_data->consumed + 2 * ITOA_BUF_SIZE + 4 > user_data->size) return;
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user_data->str[user_data->consumed++] = 'M';
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user_data->consumed += _hb_itoa (to_x, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ',';
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user_data->consumed += _hb_itoa (to_y, user_data->str + user_data->consumed);
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}
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static void
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line_to (hb_position_t to_x, hb_position_t to_y, user_data_t *user_data)
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{
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if (user_data->consumed + 2 * ITOA_BUF_SIZE + 4 > user_data->size) return;
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user_data->str[user_data->consumed++] = 'L';
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user_data->consumed += _hb_itoa (to_x, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ',';
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user_data->consumed += _hb_itoa (to_y, user_data->str + user_data->consumed);
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}
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static void
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quadratic_to (hb_position_t control_x, hb_position_t control_y,
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hb_position_t to_x, hb_position_t to_y,
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user_data_t *user_data)
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{
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if (user_data->consumed + 4 * ITOA_BUF_SIZE + 6 > user_data->size) return;
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user_data->str[user_data->consumed++] = 'Q';
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user_data->consumed += _hb_itoa (control_x, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ',';
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user_data->consumed += _hb_itoa (control_y, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ' ';
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user_data->consumed += _hb_itoa (to_x, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ',';
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user_data->consumed += _hb_itoa (to_y, user_data->str + user_data->consumed);
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}
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static void
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cubic_to (hb_position_t control1_x, hb_position_t control1_y,
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hb_position_t control2_x, hb_position_t control2_y,
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hb_position_t to_x, hb_position_t to_y,
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user_data_t *user_data)
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{
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if (user_data->consumed + 6 * ITOA_BUF_SIZE + 8 > user_data->size) return;
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user_data->str[user_data->consumed++] = 'C';
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user_data->consumed += _hb_itoa (control1_x, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ',';
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user_data->consumed += _hb_itoa (control1_y, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ' ';
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user_data->consumed += _hb_itoa (control2_x, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ',';
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user_data->consumed += _hb_itoa (control2_y, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ' ';
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user_data->consumed += _hb_itoa (to_x, user_data->str + user_data->consumed);
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user_data->str[user_data->consumed++] = ',';
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user_data->consumed += _hb_itoa (to_y, user_data->str + user_data->consumed);
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}
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static void
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close_path (user_data_t *user_data)
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{
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if (user_data->consumed + 2 > user_data->size) return;
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user_data->str[user_data->consumed++] = 'Z';
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}
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static hb_draw_funcs_t *funcs;
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static hb_draw_funcs_t *funcs2; /* this one translates quadratic calls to cubic ones */
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static void
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test_hb_draw_empty (void)
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{
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g_assert (!hb_font_draw_glyph (hb_font_get_empty (), 3, funcs, NULL));
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}
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static void
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test_hb_draw_glyf (void)
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{
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hb_face_t *face = hb_test_open_font_file ("fonts/SourceSerifVariable-Roman-VVAR.abc.ttf");
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hb_font_t *font = hb_font_create (face);
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hb_face_destroy (face);
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char str[1024];
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user_data_t user_data = {
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.str = str,
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.size = sizeof (str),
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.consumed = 0
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};
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user_data.consumed = 0;
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g_assert (!hb_font_draw_glyph (font, 4, funcs, &user_data));
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 3, funcs, &user_data));
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char expected[] = "M275,442Q232,442 198,420Q164,397 145,353Q126,309 126,245"
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"Q126,182 147,139Q167,95 204,73Q240,50 287,50Q330,50 367,70"
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"Q404,90 427,128L451,116Q431,54 384,21Q336,-13 266,-13"
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"Q198,-13 148,18Q97,48 70,104Q43,160 43,236Q43,314 76,371"
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"Q108,427 160,457Q212,487 272,487Q316,487 354,470Q392,453 417,424"
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"Q442,395 448,358Q441,321 403,321Q378,321 367,334"
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"Q355,347 350,366L325,454L371,417Q346,430 321,436Q296,442 275,442Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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/* Test translating quadratic calls to cubic by a _draw_funcs_t that doesn't set the callback */
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 3, funcs2, &user_data));
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char expected2[] = "M275,442C246,442 221,435 198,420C175,405 158,382 145,353"
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"C132,324 126,288 126,245C126,203 133,168 147,139C160,110 179,88 204,73"
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"C228,58 256,50 287,50C316,50 342,57 367,70C392,83 412,103 427,128"
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"L451,116C438,75 415,43 384,21C352,-2 313,-13 266,-13C221,-13 181,-3 148,18"
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"C114,38 88,67 70,104C52,141 43,185 43,236C43,288 54,333 76,371"
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"C97,408 125,437 160,457C195,477 232,487 272,487C301,487 329,481 354,470"
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"C379,459 400,443 417,424C434,405 444,383 448,358C443,333 428,321 403,321"
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"C386,321 374,325 367,334C359,343 353,353 350,366L325,454L371,417"
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"C354,426 338,432 321,436C304,440 289,442 275,442Z";
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g_assert_cmpmem (str, user_data.consumed, expected2, sizeof (expected2) - 1);
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hb_variation_t var;
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var.tag = HB_TAG ('w','g','h','t');
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var.value = 800;
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hb_font_set_variations (font, &var, 1);
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 3, funcs, &user_data));
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char expected3[] = "M323,448Q297,448 271,430Q244,412 227,371Q209,330 209,261"
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"Q209,204 226,166Q242,127 273,107Q303,86 344,86Q378,86 404,101"
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"Q430,115 451,137L488,103Q458,42 404,13Q350,-16 279,-16"
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"Q211,-16 153,13Q95,41 60,99Q25,156 25,241Q25,323 62,382"
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"Q99,440 163,471Q226,501 303,501Q357,501 399,481Q440,460 464,426"
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"Q488,392 492,352Q475,297 420,297Q390,297 366,320Q342,342 339,401"
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"L333,469L411,427Q387,438 368,443Q348,448 323,448Z";
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g_assert_cmpmem (str, user_data.consumed, expected3, sizeof (expected3) - 1);
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hb_font_destroy (font);
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}
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static void
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test_hb_draw_cff1 (void)
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{
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hb_face_t *face = hb_test_open_font_file ("fonts/cff1_seac.otf");
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hb_font_t *font = hb_font_create (face);
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hb_face_destroy (face);
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char str[1024];
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user_data_t user_data = {
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.str = str,
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.size = sizeof (str),
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.consumed = 0
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};
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g_assert (hb_font_draw_glyph (font, 3, funcs, &user_data));
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puts (str);
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char expected[] = "M203,367C227,440 248,512 268,588L272,588C293,512 314,440 338,367L369,267L172,267L203,367Z"
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"M3,0L88,0L151,200L390,200L452,0L541,0L319,656L225,656L3,0Z"
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"M300,653L342,694L201,861L143,806L300,653Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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hb_font_destroy (font);
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}
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static void
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test_hb_draw_cff1_rline (void)
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{
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/* https://github.com/harfbuzz/harfbuzz/pull/2053 */
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hb_face_t *face = hb_test_open_font_file ("fonts/RanaKufi-Regular.subset.otf");
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hb_font_t *font = hb_font_create (face);
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hb_face_destroy (face);
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char str[1024];
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user_data_t user_data = {
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.str = str,
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.size = sizeof (str),
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.consumed = 0
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};
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g_assert (hb_font_draw_glyph (font, 1, funcs, &user_data));
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char expected[] = "M775,400C705,400 650,343 650,274L650,250L391,250L713,572L392,893"
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"L287,1000C311,942 296,869 250,823C250,823 286,858 321,823L571,572"
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"L150,150L750,150L750,276C750,289 761,300 775,300C789,300 800,289 800,276"
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"L800,100L150,100C100,100 100,150 100,150C100,85 58,23 0,0L900,0L900,274"
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"C900,343 844,400 775,400Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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hb_font_destroy (font);
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}
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static void
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test_hb_draw_cff2 (void)
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{
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hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype.abc.otf");
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hb_font_t *font = hb_font_create (face);
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hb_face_destroy (face);
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char str[1024];
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user_data_t user_data = {
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.str = str,
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.size = sizeof (str)
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};
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 3, funcs, &user_data));
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char expected[] = "M275,442C303,442 337,435 371,417L325,454L350,366"
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"C357,341 370,321 403,321C428,321 443,333 448,358"
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"C435,432 361,487 272,487C153,487 43,393 43,236"
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"C43,83 129,-13 266,-13C360,-13 424,33 451,116L427,128"
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"C396,78 345,50 287,50C193,50 126,119 126,245C126,373 188,442 275,442Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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hb_variation_t var;
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var.tag = HB_TAG ('w','g','h','t');
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var.value = 800;
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hb_font_set_variations (font, &var, 1);
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 3, funcs, &user_data));
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char expected2[] = "M323,448C356,448 380,441 411,427L333,469L339,401"
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"C343,322 379,297 420,297C458,297 480,314 492,352"
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"C486,433 412,501 303,501C148,501 25,406 25,241"
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"C25,70 143,-16 279,-16C374,-16 447,22 488,103L451,137"
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"C423,107 390,86 344,86C262,86 209,148 209,261C209,398 271,448 323,448Z";
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g_assert_cmpmem (str, user_data.consumed, expected2, sizeof (expected2) - 1);
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hb_font_destroy (font);
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}
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static void
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test_hb_draw_ttf_parser_tests (void)
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{
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/* https://github.com/RazrFalcon/ttf-parser/blob/337e7d1c/tests/tests.rs#L50-L133 */
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char str[1024];
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user_data_t user_data = {
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.str = str,
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.size = sizeof (str)
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};
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{
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hb_face_t *face = hb_test_open_font_file ("fonts/glyphs.ttf");
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hb_font_t *font = hb_font_create (face);
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hb_face_destroy (face);
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{
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 0, funcs, &user_data));
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char expected[] = "M50,0L50,750L450,750L450,0L50,0Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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}
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{
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 1, funcs, &user_data));
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char expected[] = "M56,416L56,487L514,487L514,416L56,416ZM56,217L56,288L514,288L514,217L56,217Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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}
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{
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 4, funcs, &user_data));
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char expected[] = "M332,468L197,468L197,0L109,0L109,468L15,468L15,509L109,539"
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"L109,570Q109,674 155,720Q201,765 283,765Q315,765 342,760"
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"Q368,754 387,747L364,678Q348,683 327,688Q306,693 284,693"
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"Q240,693 219,664Q197,634 197,571L197,536L332,536L332,468Z"
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"M474,737Q494,737 510,724Q525,710 525,681Q525,653 510,639"
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"Q494,625 474,625Q452,625 437,639Q422,653 422,681"
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"Q422,710 437,724Q452,737 474,737ZM517,536L517,0L429,0L429,536L517,536Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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}
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{
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 5, funcs, &user_data));
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char expected[] = "";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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}
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{
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 6, funcs, &user_data));
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char expected[] = "M346,468L211,468L211,0L123,0L123,468L29,468L29,509L123,539"
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"L123,570Q123,674 169,720Q215,765 297,765Q329,765 356,760"
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"Q382,754 401,747L378,678Q362,683 341,688Q320,693 298,693"
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"Q254,693 233,664Q211,634 211,571L211,536L346,536L346,468Z";
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g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
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}
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hb_font_destroy (font);
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}
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{
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hb_face_t *face = hb_test_open_font_file ("fonts/cff1_flex.otf");
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hb_font_t *font = hb_font_create (face);
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hb_face_destroy (face);
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user_data.consumed = 0;
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g_assert (hb_font_draw_glyph (font, 1, funcs, &user_data));
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char expected[] = "M0,0C100,0 150,-20 250,-20C350,-20 400,0 500,0C500,100 520,150 520,250"
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"C520,350 500,400 500,500C400,500 350,520 250,520C150,520 100,500 0,500"
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"C0,400 -20,350 -20,250C-20,150 0,100 0,0ZM50,50C50,130 34,170 34,250"
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"C34,330 50,370 50,450C130,450 170,466 250,466C330,466 370,450 450,450"
|
|
"C450,370 466,330 466,250C466,170 450,130 450,50C370,50 330,34 250,34"
|
|
"C170,34 130,50 50,50Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/cff1_dotsect.nohints.otf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 1, funcs, &user_data));
|
|
char expected[] = "M82,0L164,0L164,486L82,486L82,0Z"
|
|
"M124,586C156,586 181,608 181,639C181,671 156,692 124,692"
|
|
"C92,692 67,671 67,639C67,608 92,586 124,586Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_hb_draw_font_kit_glyphs_tests (void)
|
|
{
|
|
/* https://github.com/foliojs/fontkit/blob/master/test/glyphs.js */
|
|
char str[2048];
|
|
user_data_t user_data = {
|
|
.str = str,
|
|
.size = sizeof (str)
|
|
};
|
|
/* truetype glyphs */
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/OpenSans-Regular.ttf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
/* should get a path for the glyph */
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 37, funcs, &user_data));
|
|
char expected[] = "M201,1462L614,1462Q905,1462 1035,1375Q1165,1288 1165,1100"
|
|
"Q1165,970 1093,886Q1020,801 881,776L881,766Q1214,709 1214,416"
|
|
"Q1214,220 1082,110Q949,0 711,0L201,0L201,1462ZM371,836L651,836"
|
|
"Q831,836 910,893Q989,949 989,1083Q989,1206 901,1261"
|
|
"Q813,1315 621,1315L371,1315L371,836ZM371,692L371,145L676,145"
|
|
"Q853,145 943,214Q1032,282 1032,428Q1032,564 941,628Q849,692 662,692L371,692Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
/* should get a path for the glyph */
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 171, funcs, &user_data));
|
|
char expected2[] = "M639,-20Q396,-20 256,128Q115,276 115,539Q115,804 246,960"
|
|
"Q376,1116 596,1116Q802,1116 922,981Q1042,845 1042,623"
|
|
"L1042,518L287,518Q292,325 385,225Q477,125 645,125"
|
|
"Q822,125 995,199L995,51Q907,13 829,-4Q750,-20 639,-20Z"
|
|
"M594,977Q462,977 384,891Q305,805 291,653L864,653"
|
|
"Q864,810 794,894Q724,977 594,977ZM471,1266Q519,1328 575,1416"
|
|
"Q630,1504 662,1569L864,1569L864,1548Q820,1483 733,1388"
|
|
"Q646,1293 582,1241L471,1241L471,1266Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected2, sizeof (expected2) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/Mada-VF.ttf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
hb_buffer_t *buffer = hb_buffer_create ();
|
|
hb_codepoint_t codepoint = 1610; /* ي */
|
|
hb_buffer_add_codepoints (buffer, &codepoint, 1, 0, -1);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_RTL);
|
|
hb_shape (font, buffer, NULL, 0);
|
|
codepoint = hb_buffer_get_glyph_infos (buffer, NULL)[0].codepoint;
|
|
hb_buffer_destroy (buffer);
|
|
|
|
/* should resolve composite glyphs recursively */
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, codepoint, funcs, &user_data));
|
|
char expected[] = "M581,274L443,274Q409,274 384,259Q359,243 348,219Q336,194 340,166"
|
|
"Q343,138 365,111L468,-13Q470,-10 473,-7Q475,-3 477,0L253,0"
|
|
"Q225,0 203,8Q180,15 168,32Q155,48 155,73L155,269L50,269L50,73"
|
|
"Q50,24 69,-10Q88,-44 118,-65Q147,-85 181,-95Q214,-104 243,-104"
|
|
"L473,-104Q501,-104 525,-91Q549,-78 564,-56Q578,-34 578,-8"
|
|
"Q578,18 557,43L442,182Q439,179 437,176Q435,173 432,170"
|
|
"L581,170L581,274ZM184,-194Q184,-216 199,-231Q214,-246 236,-246"
|
|
"Q258,-246 273,-231Q288,-216 288,-194Q288,-172 273,-157"
|
|
"Q258,-142 236,-142Q214,-142 199,-157Q184,-172 184,-194Z"
|
|
"M360,-194Q360,-216 375,-231Q390,-246 412,-246"
|
|
"Q434,-246 449,-231Q464,-216 464,-194Q464,-172 449,-157"
|
|
"Q434,-142 412,-142Q390,-142 375,-157Q360,-172 360,-194Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
/* should transform points of a composite glyph */
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 2, funcs, &user_data)); /* 2 == arAlef.fina */
|
|
char expected2[] = "M155,624L155,84Q150,90 146,95Q141,99 136,105"
|
|
"L292,105L292,0L156,0Q128,0 104,14Q79,27 65,51"
|
|
"Q50,74 50,104L50,624L155,624ZM282,105L312,105"
|
|
"L312,0L282,0L282,105Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected2, sizeof (expected2) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
/* CFF glyphs, should get a path for the glyph */
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/SourceSansPro-Regular.otf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 5, funcs, &user_data));
|
|
char expected[] = "M90,0L258,0C456,0 564,122 564,331C564,539 456,656 254,656L90,656L90,0Z"
|
|
"M173,68L173,588L248,588C401,588 478,496 478,331C478,165 401,68 248,68L173,68Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
/* CFF glyphs (CID font) */
|
|
{
|
|
/* replaced with a subset as the original one was 15MB */
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/NotoSansCJKkr-Regular-subset-colon.ttf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 1, funcs, &user_data));
|
|
char expected[] = "M139,390C175,390 205,419 205,459C205,501 175,530 139,530C103,530 73,501 73,459"
|
|
"C73,419 103,390 139,390ZM139,-13C175,-13 205,15 205,56C205,97 175,127 139,127"
|
|
"C103,127 73,97 73,56C73,15 103,-13 139,-13Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
/* Skip SBIX glyphs (empty path), COLR glyphs (empty path), WOFF ttf glyphs, WOFF2 ttf glyph */
|
|
}
|
|
|
|
static void
|
|
test_hb_draw_font_kit_variations_tests (void)
|
|
{
|
|
/* https://github.com/foliojs/fontkit/blob/b310db5/test/variations.js */
|
|
char str[2048];
|
|
user_data_t user_data = {
|
|
.str = str,
|
|
.size = sizeof (str)
|
|
};
|
|
/* Skia */
|
|
{
|
|
/* Skipping Skia tests for now even the fact we can actually do platform specific tests using our CIs */
|
|
}
|
|
/* truetype variations */
|
|
/* should support sharing all points */
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/TestGVAROne.ttf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
hb_variation_t var;
|
|
var.tag = HB_TAG ('w','g','h','t');
|
|
var.value = 300;
|
|
hb_font_set_variations (font, &var, 1);
|
|
|
|
hb_buffer_t *buffer = hb_buffer_create ();
|
|
hb_codepoint_t codepoint = 24396; /* 彌 */
|
|
hb_buffer_add_codepoints (buffer, &codepoint, 1, 0, -1);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
|
|
hb_shape (font, buffer, NULL, 0);
|
|
codepoint = hb_buffer_get_glyph_infos (buffer, NULL)[0].codepoint;
|
|
hb_buffer_destroy (buffer);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, codepoint, funcs, &user_data));
|
|
char expected[] = "M371,-102L371,539L914,539L914,-27Q914,-102 840,-102Q796,-102 755,-98"
|
|
"L742,-59Q790,-66 836,-66Q871,-66 871,-31L871,504L414,504L414,-102"
|
|
"L371,-102ZM203,-94Q138,-94 86,-90L74,-52Q137,-59 188,-59Q211,-59 222,-47"
|
|
"Q233,-34 236,12Q238,58 240,135Q242,211 242,262L74,262L94,527L242,527"
|
|
"L242,719L63,719L63,754L285,754L285,492L133,492L117,297L285,297"
|
|
"Q285,241 284,185Q284,104 281,46Q278,-20 269,-49Q260,-78 242,-86"
|
|
"Q223,-94 203,-94ZM461,12L434,43Q473,73 503,115Q478,150 441,188L469,211"
|
|
"Q501,179 525,147Q538,172 559,230L594,211Q571,152 551,117Q577,84 602,43"
|
|
"L566,20Q544,64 528,86Q500,44 461,12ZM465,258L438,285Q474,316 501,351"
|
|
"Q474,388 445,418L473,441Q500,414 523,381Q546,413 563,453L598,434"
|
|
"Q571,382 549,352Q576,320 598,285L563,262Q546,294 525,322Q491,280 465,258Z"
|
|
"M707,12L680,43Q717,68 753,115Q731,147 691,188L719,211Q739,190 754,172"
|
|
"Q769,154 774,147Q793,185 809,230L844,211Q822,155 801,117Q828,82 852,43"
|
|
"L820,20Q798,58 778,87Q747,43 707,12ZM621,-94L621,730L664,730L664,-94"
|
|
"L621,-94ZM348,570L324,605Q425,629 527,688L555,656Q491,621 439,601"
|
|
"Q386,581 348,570ZM715,258L688,285Q727,318 753,351Q733,378 695,418L723,441"
|
|
"Q754,410 775,381Q794,407 813,453L848,434Q826,387 801,352Q823,321 848,281"
|
|
"L813,262Q791,301 775,323Q749,288 715,258ZM348,719L348,754L941,754L941,719"
|
|
"L348,719ZM936,570Q870,602 817,622Q764,641 727,652L749,688Q852,655 957,605L936,570Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
/* should support sharing enumerated points */
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/TestGVARTwo.ttf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
hb_variation_t var;
|
|
var.tag = HB_TAG ('w','g','h','t');
|
|
var.value = 300;
|
|
hb_font_set_variations (font, &var, 1);
|
|
|
|
hb_buffer_t *buffer = hb_buffer_create ();
|
|
hb_codepoint_t codepoint = 24396; /* 彌 */
|
|
hb_buffer_add_codepoints (buffer, &codepoint, 1, 0, -1);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
|
|
hb_shape (font, buffer, NULL, 0);
|
|
codepoint = hb_buffer_get_glyph_infos (buffer, NULL)[0].codepoint;
|
|
hb_buffer_destroy (buffer);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, codepoint, funcs, &user_data));
|
|
char expected[] = "M371,-102L371,539L914,539L914,-27Q914,-102 840,-102Q796,-102 755,-98"
|
|
"L742,-59Q790,-66 836,-66Q871,-66 871,-31L871,504L414,504L414,-102"
|
|
"L371,-102ZM203,-94Q138,-94 86,-90L74,-52Q137,-59 188,-59Q211,-59 222,-47"
|
|
"Q233,-34 236,12Q238,58 240,135Q242,211 242,262L74,262L94,527L242,527"
|
|
"L242,719L63,719L63,754L285,754L285,492L133,492L117,297L285,297"
|
|
"Q285,241 284,185Q284,104 281,46Q278,-20 269,-49Q260,-78 242,-86"
|
|
"Q223,-94 203,-94ZM461,12L434,43Q473,73 503,115Q478,150 441,188"
|
|
"L469,211Q501,179 525,147Q538,172 559,230L594,211Q571,152 551,117"
|
|
"Q577,84 602,43L566,20Q544,64 528,86Q500,44 461,12ZM465,258L438,285"
|
|
"Q474,316 501,351Q474,388 445,418L473,441Q500,414 523,381Q546,413 563,453"
|
|
"L598,434Q571,382 549,352Q576,320 598,285L563,262Q546,294 525,322"
|
|
"Q491,280 465,258ZM707,12L680,43Q717,68 753,115Q731,147 691,188L719,211"
|
|
"Q739,190 754,172Q769,154 774,147Q793,185 809,230L844,211Q822,155 801,117"
|
|
"Q828,82 852,43L820,20Q798,58 778,87Q747,43 707,12ZM621,-94L621,730L664,730"
|
|
"L664,-94L621,-94ZM348,570L324,605Q425,629 527,688L555,656Q491,621 439,601"
|
|
"Q386,581 348,570ZM715,258L688,285Q727,318 753,351Q733,378 695,418L723,441"
|
|
"Q754,410 775,381Q794,407 813,453L848,434Q826,387 801,352Q823,321 848,281"
|
|
"L813,262Q791,301 775,323Q749,288 715,258ZM348,719L348,754L941,754L941,719"
|
|
"L348,719ZM936,570Q870,602 817,622Q764,641 727,652L749,688Q852,655 957,605L936,570Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
/* should support sharing no points */
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/TestGVARThree.ttf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
hb_variation_t var;
|
|
var.tag = HB_TAG ('w','g','h','t');
|
|
var.value = 300;
|
|
hb_font_set_variations (font, &var, 1);
|
|
|
|
hb_buffer_t *buffer = hb_buffer_create ();
|
|
hb_codepoint_t codepoint = 24396; /* 彌 */
|
|
hb_buffer_add_codepoints (buffer, &codepoint, 1, 0, -1);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
|
|
hb_shape (font, buffer, NULL, 0);
|
|
codepoint = hb_buffer_get_glyph_infos (buffer, NULL)[0].codepoint;
|
|
hb_buffer_destroy (buffer);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, codepoint, funcs, &user_data));
|
|
char expected[] = "M371,-102L371,539L914,539L914,-27Q914,-102 840,-102Q796,-102 755,-98"
|
|
"L742,-59Q790,-66 836,-66Q871,-66 871,-31L871,504L414,504L414,-102"
|
|
"L371,-102ZM203,-94Q138,-94 86,-90L74,-52Q137,-59 188,-59Q211,-59 222,-47"
|
|
"Q233,-34 236,12Q238,58 240,135Q242,211 242,262L74,262L94,527L242,527"
|
|
"L242,719L63,719L63,754L285,754L285,492L133,492L117,297L285,297"
|
|
"Q285,241 284,185Q284,104 281,46Q278,-20 269,-49Q260,-78 242,-86"
|
|
"Q223,-94 203,-94ZM461,12L434,43Q473,73 503,115Q478,150 441,188"
|
|
"L469,211Q501,179 525,147Q538,172 559,230L594,211Q571,152 551,117"
|
|
"Q577,84 602,43L566,20Q544,64 528,86Q500,44 461,12ZM465,258L438,285"
|
|
"Q474,316 501,351Q474,388 445,418L473,441Q500,414 523,381Q546,413 563,453"
|
|
"L598,434Q571,382 549,352Q576,320 598,285L563,262Q546,294 525,322"
|
|
"Q491,280 465,258ZM707,12L680,43Q717,68 753,115Q731,147 691,188L719,211"
|
|
"Q739,190 754,172Q769,154 774,147Q793,185 809,230L844,211Q822,155 801,117"
|
|
"Q828,82 852,43L820,20Q798,58 778,87Q747,43 707,12ZM621,-94L621,730L664,730"
|
|
"L664,-94L621,-94ZM348,570L324,605Q425,629 527,688L555,656Q491,621 439,601"
|
|
"Q386,581 348,570ZM715,258L688,285Q727,318 753,351Q733,378 695,418L723,441"
|
|
"Q754,410 775,381Q794,407 813,453L848,434Q826,387 801,352Q823,321 848,281"
|
|
"L813,262Q791,301 775,323Q749,288 715,258ZM348,719L348,754L941,754L941,719"
|
|
"L348,719ZM936,570Q870,602 817,622Q764,641 727,652L749,688Q852,655 957,605L936,570Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
|
|
/* CFF2 variations */
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/AdobeVFPrototype-Subset.otf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
hb_variation_t var;
|
|
var.tag = HB_TAG ('w','g','h','t');
|
|
/* applies variations to CFF2 glyphs */
|
|
{
|
|
var.value = 100;
|
|
hb_font_set_variations (font, &var, 1);
|
|
|
|
hb_buffer_t *buffer = hb_buffer_create ();
|
|
hb_codepoint_t codepoint = '$';
|
|
hb_buffer_add_codepoints (buffer, &codepoint, 1, 0, -1);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
|
|
hb_shape (font, buffer, NULL, 0);
|
|
codepoint = hb_buffer_get_glyph_infos (buffer, NULL)[0].codepoint;
|
|
hb_buffer_destroy (buffer);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, codepoint, funcs, &user_data));
|
|
char expected[] = "M246,15C188,15 147,27 101,68L142,23L117,117C111,143 96,149 81,149"
|
|
"C65,149 56,141 52,126C71,40 137,-13 244,-13C348,-13 436,46 436,156"
|
|
"C436,229 405,295 271,349L247,359C160,393 119,439 119,506"
|
|
"C119,592 178,637 262,637C311,637 346,626 390,585L348,629L373,535"
|
|
"C380,510 394,503 408,503C424,503 434,510 437,526C418,614 348,665 259,665"
|
|
"C161,665 78,606 78,500C78,414 128,361 224,321L261,305C367,259 395,217 395,152"
|
|
"C395,65 334,15 246,15ZM267,331L267,759L240,759L240,331L267,331ZM240,-115"
|
|
"L267,-115L267,331L240,331L240,-115Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
}
|
|
{
|
|
var.value = 500;
|
|
hb_font_set_variations (font, &var, 1);
|
|
|
|
hb_buffer_t *buffer = hb_buffer_create ();
|
|
hb_codepoint_t codepoint = '$';
|
|
hb_buffer_add_codepoints (buffer, &codepoint, 1, 0, -1);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
|
|
hb_shape (font, buffer, NULL, 0);
|
|
codepoint = hb_buffer_get_glyph_infos (buffer, NULL)[0].codepoint;
|
|
hb_buffer_destroy (buffer);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, codepoint, funcs, &user_data));
|
|
char expected[] = "M251,36C206,36 165,42 118,61L176,21L161,99C151,152 129,167 101,167"
|
|
"C78,167 61,155 51,131C54,43 133,-14 247,-14C388,-14 474,64 474,171"
|
|
"C474,258 430,321 294,370L257,383C188,406 150,438 150,499"
|
|
"C150,571 204,606 276,606C308,606 342,601 386,582L327,621"
|
|
"L343,546C355,490 382,476 408,476C428,476 448,487 455,512"
|
|
"C450,597 370,656 264,656C140,656 57,576 57,474C57,373 119,318 227,279"
|
|
"L263,266C345,236 379,208 379,145C379,76 329,36 251,36ZM289,320"
|
|
"L289,746L242,746L242,320L289,320ZM240,-115L286,-115L286,320L240,320L240,-115Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
}
|
|
/* substitutes GSUB features depending on variations */
|
|
{
|
|
var.value = 900;
|
|
hb_font_set_variations (font, &var, 1);
|
|
|
|
hb_buffer_t *buffer = hb_buffer_create ();
|
|
hb_codepoint_t codepoint = '$';
|
|
hb_buffer_add_codepoints (buffer, &codepoint, 1, 0, -1);
|
|
hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
|
|
hb_shape (font, buffer, NULL, 0);
|
|
codepoint = hb_buffer_get_glyph_infos (buffer, NULL)[0].codepoint;
|
|
hb_buffer_destroy (buffer);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, codepoint, funcs, &user_data));
|
|
char expected[] = "M258,38C197,38 167,48 118,71L192,19L183,103C177,155 155,174 115,174"
|
|
"C89,174 64,161 51,125C52,36 124,-16 258,-16C417,-16 513,67 513,175"
|
|
"C513,278 457,328 322,388L289,403C232,429 203,452 203,500C203,562 244,589 301,589"
|
|
"C342,589 370,585 420,562L341,607L352,539C363,468 398,454 434,454C459,454 486,468 492,506"
|
|
"C491,590 408,643 290,643C141,643 57,563 57,460C57,357 122,307 233,256L265,241"
|
|
"C334,209 363,186 363,130C363,77 320,38 258,38ZM318,616L318,734L252,734L252,616"
|
|
"L318,616ZM253,-115L319,-115L319,14L253,14L253,-115Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
}
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_hb_draw_stroking (void)
|
|
{
|
|
/* https://skia-review.googlesource.com/c/skia/+/266945
|
|
https://savannah.nongnu.org/bugs/index.php?57701 */
|
|
char str[2048];
|
|
user_data_t user_data = {
|
|
.str = str,
|
|
.size = sizeof (str)
|
|
};
|
|
{
|
|
hb_face_t *face = hb_test_open_font_file ("fonts/Stroking.ttf");
|
|
hb_font_t *font = hb_font_create (face);
|
|
hb_face_destroy (face);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 6, funcs, &user_data));
|
|
char expected[] = "M1626,1522Q1626,1522 1626,1522Q1626,1522 1626,1522ZM436,1522"
|
|
"Q436,1280 531,1060Q625,839 784,680Q943,521 1164,427Q1384,332 1626,332"
|
|
"Q1868,332 2089,427Q2309,521 2468,680Q2627,839 2722,1060Q2816,1280 2816,1522"
|
|
"Q2816,1764 2722,1985Q2627,2205 2468,2364Q2309,2523 2089,2618Q1868,2712 1626,2712"
|
|
"Q1384,2712 1164,2618Q943,2523 784,2364Q625,2205 531,1985Q436,1764 436,1522ZM256,1528"
|
|
"Q256,1714 306,1892Q355,2069 443,2220Q531,2370 658,2497Q784,2623 935,2711"
|
|
"Q1085,2799 1263,2849Q1440,2898 1626,2898Q1812,2898 1990,2849Q2167,2799 2318,2711"
|
|
"Q2468,2623 2595,2497Q2721,2370 2809,2220Q2897,2069 2947,1892Q2996,1714 2996,1528"
|
|
"Q2996,1342 2947,1165Q2897,987 2809,837Q2721,686 2595,560Q2468,433 2318,345"
|
|
"Q2167,257 1990,208Q1812,158 1626,158Q1440,158 1263,208Q1085,257 935,345"
|
|
"Q784,433 658,560Q531,686 443,837Q355,987 306,1165Q256,1342 256,1528Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected, sizeof (expected) - 1);
|
|
|
|
user_data.consumed = 0;
|
|
g_assert (hb_font_draw_glyph (font, 7, funcs, &user_data));
|
|
char expected2[] = "M436,1522Q436,1280 531,1060Q625,839 784,680Q943,521 1164,427"
|
|
"Q1384,332 1626,332Q1868,332 2089,427Q2309,521 2468,680"
|
|
"Q2627,839 2722,1060Q2816,1280 2816,1522Q2816,1764 2722,1985"
|
|
"Q2627,2205 2468,2364Q2309,2523 2089,2618Q1868,2712 1626,2712"
|
|
"Q1384,2712 1164,2618Q943,2523 784,2364Q625,2205 531,1985"
|
|
"Q436,1764 436,1522ZM256,1528Q256,1714 306,1892Q355,2069 443,2220"
|
|
"Q531,2370 658,2497Q784,2623 935,2711Q1085,2799 1263,2849"
|
|
"Q1440,2898 1626,2898Q1812,2898 1990,2849Q2167,2799 2318,2711"
|
|
"Q2468,2623 2595,2497Q2721,2370 2809,2220Q2897,2069 2947,1892"
|
|
"Q2996,1714 2996,1528Q2996,1342 2947,1165Q2897,987 2809,837"
|
|
"Q2721,686 2595,560Q2468,433 2318,345Q2167,257 1990,208"
|
|
"Q1812,158 1626,158Q1440,158 1263,208Q1085,257 935,345"
|
|
"Q784,433 658,560Q531,686 443,837Q355,987 306,1165"
|
|
"Q256,1342 256,1528Z";
|
|
g_assert_cmpmem (str, user_data.consumed, expected2, sizeof (expected2) - 1);
|
|
|
|
hb_font_destroy (font);
|
|
}
|
|
}
|
|
|
|
static void
|
|
test_hb_draw_immutable (void)
|
|
{
|
|
hb_draw_funcs_t *draw_funcs = hb_draw_funcs_create ();
|
|
g_assert (!hb_draw_funcs_is_immutable (draw_funcs));
|
|
hb_draw_funcs_make_immutable (draw_funcs);
|
|
g_assert (hb_draw_funcs_is_immutable (draw_funcs));
|
|
hb_draw_funcs_destroy (draw_funcs);
|
|
}
|
|
|
|
int
|
|
main (int argc, char **argv)
|
|
{
|
|
funcs = hb_draw_funcs_create ();
|
|
hb_draw_funcs_set_move_to_func (funcs, (hb_draw_move_to_func_t) move_to);
|
|
hb_draw_funcs_set_line_to_func (funcs, (hb_draw_line_to_func_t) line_to);
|
|
hb_draw_funcs_set_quadratic_to_func (funcs, (hb_draw_quadratic_to_func_t) quadratic_to);
|
|
hb_draw_funcs_set_cubic_to_func (funcs, (hb_draw_cubic_to_func_t) cubic_to);
|
|
hb_draw_funcs_set_close_path_func (funcs, (hb_draw_close_path_func_t) close_path);
|
|
hb_draw_funcs_make_immutable (funcs);
|
|
|
|
funcs2 = hb_draw_funcs_create ();
|
|
hb_draw_funcs_set_move_to_func (funcs2, (hb_draw_move_to_func_t) move_to);
|
|
hb_draw_funcs_set_line_to_func (funcs2, (hb_draw_line_to_func_t) line_to);
|
|
hb_draw_funcs_set_cubic_to_func (funcs2, (hb_draw_cubic_to_func_t) cubic_to);
|
|
hb_draw_funcs_set_close_path_func (funcs2, (hb_draw_close_path_func_t) close_path);
|
|
hb_draw_funcs_make_immutable (funcs2);
|
|
|
|
hb_test_init (&argc, &argv);
|
|
hb_test_add (test_itoa);
|
|
hb_test_add (test_hb_draw_empty);
|
|
hb_test_add (test_hb_draw_glyf);
|
|
hb_test_add (test_hb_draw_cff1);
|
|
hb_test_add (test_hb_draw_cff1_rline);
|
|
hb_test_add (test_hb_draw_cff2);
|
|
hb_test_add (test_hb_draw_ttf_parser_tests);
|
|
hb_test_add (test_hb_draw_font_kit_glyphs_tests);
|
|
hb_test_add (test_hb_draw_font_kit_variations_tests);
|
|
hb_test_add (test_hb_draw_stroking);
|
|
hb_test_add (test_hb_draw_immutable);
|
|
unsigned result = hb_test_run ();
|
|
|
|
hb_draw_funcs_destroy (funcs);
|
|
hb_draw_funcs_destroy (funcs2);
|
|
return result;
|
|
}
|