2023-02-23 22:28:16 +01:00
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#define HB_WASM_INTERFACE(ret_t, name) __attribute__((export_name(#name))) ret_t name
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#include <hb-wasm-api.h>
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2023-02-24 19:03:13 +01:00
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extern "C" {
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2023-02-25 16:23:14 +01:00
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void abort ();
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2023-02-24 19:53:47 +01:00
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void debugprint (const char *s);
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2023-02-24 19:03:13 +01:00
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void debugprint1 (const char *s, int32_t);
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void debugprint2 (const char *s, int32_t, int32_t);
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}
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2023-02-23 22:28:16 +01:00
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bool_t
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2023-02-25 01:44:33 +01:00
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shape (void *shape_plan,
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font_t *font,
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2023-02-24 22:16:11 +01:00
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buffer_t *buffer,
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const feature_t *features,
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uint32_t num_features)
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2023-02-23 22:28:16 +01:00
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{
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2023-02-23 23:03:03 +01:00
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face_t *face = font_get_face (font);
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2023-02-23 22:28:16 +01:00
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2023-02-25 16:23:14 +01:00
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blob_t blob;
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if (!face_copy_table (face, TAG ('c','m','a','p'), &blob))
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abort ();
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2023-02-23 22:28:16 +01:00
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debugprint1 ("cmap length", blob.length);
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2023-02-23 22:54:46 +01:00
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blob_free (&blob);
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2023-02-23 22:35:01 +01:00
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2023-02-25 17:18:40 +01:00
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buffer_contents_t contents = BUFFER_CONTENTS_INIT;
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2023-02-25 16:12:16 +01:00
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if (!buffer_copy_contents (buffer, &contents))
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return false;
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2023-02-23 22:28:16 +01:00
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debugprint1 ("buffer length", contents.length);
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for (unsigned i = 0; i < contents.length; i++)
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2023-02-23 23:47:56 +01:00
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{
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2023-02-24 19:53:47 +01:00
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char name[64];
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font_glyph_to_string (font, contents.info[i].codepoint, name, sizeof (name));
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debugprint (name);
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2023-02-23 23:52:13 +01:00
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contents.info[i].codepoint = font_get_glyph (font, contents.info[i].codepoint, 0);
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contents.pos[i].x_advance = font_get_glyph_h_advance (font, contents.info[i].codepoint);
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2023-02-25 16:59:03 +01:00
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glyph_outline_t outline;
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font_copy_glyph_outline (font, contents.info[i].codepoint, &outline);
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debugprint1 ("num outline contours", outline.n_contours);
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2023-02-23 23:47:56 +01:00
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}
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bool_t ret = buffer_set_contents (buffer, &contents);
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2023-02-23 22:28:16 +01:00
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2023-02-23 23:06:18 +01:00
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buffer_contents_free (&contents);
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2023-02-23 23:47:56 +01:00
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return ret;
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2023-02-23 22:28:16 +01:00
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}
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