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228 lines
4 KiB
C
228 lines
4 KiB
C
#include "box-drawing.h"
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#include <stdio.h>
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#include <errno.h>
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#define LOG_MODULE "box-drawing"
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#define LOG_ENABLE_DBG 1
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#include "log.h"
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#include "stride.h"
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#include "terminal.h"
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#include "xmalloc.h"
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static void
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draw_glyph(wchar_t wc, pixman_image_t *pix, int width, int height, int stride)
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{
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switch (wc) {
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case 0x2500:
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case 0x2501:
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case 0x2502:
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case 0x2503:
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case 0x2504:
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case 0x2505:
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case 0x2506:
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case 0x2507:
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case 0x2508:
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case 0x2509:
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case 0x250a:
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case 0x250b:
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case 0x250c:
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case 0x250d:
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case 0x250e:
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case 0x250f:
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case 0x2510:
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case 0x2511:
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case 0x2512:
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case 0x2513:
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case 0x2514:
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case 0x2515:
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case 0x2516:
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case 0x2517:
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case 0x2518:
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case 0x2519:
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case 0x251a:
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case 0x251b:
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case 0x251c:
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case 0x251d:
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case 0x251e:
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case 0x251f:
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case 0x2520:
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case 0x2521:
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case 0x2522:
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case 0x2523:
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case 0x2524:
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case 0x2525:
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case 0x2526:
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case 0x2527:
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case 0x2528:
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case 0x2529:
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case 0x252a:
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case 0x252b:
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case 0x252c:
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case 0x252d:
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case 0x252e:
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case 0x252f:
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case 0x2530:
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case 0x2531:
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case 0x2532:
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case 0x2533:
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case 0x2534:
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case 0x2535:
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case 0x2536:
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case 0x2537:
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case 0x2538:
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case 0x2539:
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case 0x253a:
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case 0x253b:
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case 0x253c:
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case 0x253d:
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case 0x253e:
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case 0x253f:
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case 0x2540:
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case 0x2541:
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case 0x2542:
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case 0x2543:
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case 0x2544:
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case 0x2545:
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case 0x2546:
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case 0x2547:
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case 0x2548:
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case 0x2549:
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case 0x254a:
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case 0x254b:
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case 0x254c:
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case 0x254d:
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case 0x254e:
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case 0x254f:
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case 0x2550:
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case 0x2551:
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case 0x2552:
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case 0x2553:
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case 0x2554:
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case 0x2555:
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case 0x2556:
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case 0x2557:
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case 0x2558:
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case 0x2559:
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case 0x255a:
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case 0x255b:
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case 0x255c:
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case 0x255d:
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case 0x255e:
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case 0x255f:
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case 0x2560:
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case 0x2561:
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case 0x2562:
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case 0x2563:
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case 0x2564:
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case 0x2565:
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case 0x2566:
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case 0x2567:
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case 0x2568:
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case 0x2569:
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case 0x256a:
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case 0x256b:
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case 0x256c:
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case 0x256d:
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case 0x256e:
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case 0x256f:
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case 0x2570:
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case 0x2571:
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case 0x2572:
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case 0x2573:
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case 0x2574:
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case 0x2575:
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case 0x2576:
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case 0x2577:
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case 0x2578:
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case 0x2579:
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case 0x257a:
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case 0x257b:
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case 0x257c:
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case 0x257d:
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case 0x257e:
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case 0x257f:
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case 0x2580:
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case 0x2581:
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case 0x2582:
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case 0x2583:
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case 0x2584:
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case 0x2585:
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case 0x2586:
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case 0x2587:
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case 0x2588:
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case 0x2589:
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case 0x258a:
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case 0x258b:
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case 0x258c:
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case 0x258d:
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case 0x258e:
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case 0x258f:
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case 0x2590:
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case 0x2591:
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case 0x2592:
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case 0x2593:
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case 0x2594:
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case 0x2595:
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case 0x2596:
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case 0x2597:
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case 0x2598:
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case 0x2599:
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case 0x259a:
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case 0x259b:
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case 0x259c:
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case 0x259d:
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case 0x259e:
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case 0x259f:
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LOG_WARN("unimplemented: box drawing: wc=%04lx", (long)wc);
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//assert(false);
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break;
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}
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}
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struct fcft_glyph *
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box_drawing(struct terminal *term, wchar_t wc)
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{
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LOG_DBG("rendering 0x%04lx", (long)wc);
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int width = term->cell_width;
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int height = term->cell_height;
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int stride = stride_for_format_and_width(PIXMAN_a1, width);
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uint8_t *data = xcalloc(height * stride, 1);
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pixman_image_t *pix = pixman_image_create_bits_no_clear(
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PIXMAN_a1, width, height, (uint32_t*)data, stride);
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if (pix == NULL) {
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errno = ENOMEM;
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perror(__func__);
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abort();
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}
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draw_glyph(wc, pix, width, height, stride);
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struct fcft_glyph *glyph = xmalloc(sizeof(*glyph));
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*glyph = (struct fcft_glyph){
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.wc = wc,
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.cols = 1,
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.pix = pix,
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.x = 0,
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.y = term->fonts[0]->ascent,
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.width = width,
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.height = height,
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.advance = {
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.x = width,
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.y = height,
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},
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};
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return glyph;
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}
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