| #define HB_WASM_INTERFACE(ret_t, name) __attribute__((export_name(#name))) ret_t name |
| |
| #include <hb-wasm-api.h> |
| |
| extern "C" { |
| void debugprint (const char *s); |
| void debugprint1 (const char *s, int32_t); |
| void debugprint2 (const char *s, int32_t, int32_t); |
| } |
| |
| bool_t |
| shape (font_t *font, buffer_t *buffer) |
| { |
| face_t *face = font_get_face (font); |
| |
| blob_t blob = face_reference_table (face, TAG ('c','m','a','p')); |
| |
| debugprint1 ("cmap length", blob.length); |
| |
| blob_free (&blob); |
| |
| buffer_contents_t contents = buffer_copy_contents (buffer); |
| |
| debugprint1 ("buffer length", contents.length); |
| |
| for (unsigned i = 0; i < contents.length; i++) |
| { |
| char name[64]; |
| |
| font_glyph_to_string (font, contents.info[i].codepoint, name, sizeof (name)); |
| |
| debugprint (name); |
| |
| contents.info[i].codepoint = font_get_glyph (font, contents.info[i].codepoint, 0); |
| contents.pos[i].x_advance = font_get_glyph_h_advance (font, contents.info[i].codepoint); |
| } |
| |
| bool_t ret = buffer_set_contents (buffer, &contents); |
| |
| buffer_contents_free (&contents); |
| |
| return ret; |
| } |