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#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 (void *shape_plan,
font_t *font,
buffer_t *buffer,
const feature_t *features,
uint32_t num_features)
{
face_t *face = font_get_face (font);
blob_t blob = BLOB_INIT;
face_copy_table (face, TAG ('c','m','a','p'), &blob);
debugprint1 ("cmap length", blob.length);
blob_free (&blob);
buffer_contents_t contents = BUFFER_CONTENTS_INIT;
if (!buffer_copy_contents (buffer, &contents))
return false;
debugprint1 ("buffer length", contents.length);
glyph_outline_t outline = GLYPH_OUTLINE_INIT;
for (unsigned i = 0; i < contents.length; i++)
{
char name[64];
debugprint1 ("glyph at", i);
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);
font_copy_glyph_outline (font, contents.info[i].codepoint, &outline);
debugprint1 ("num outline points", outline.n_points);
debugprint1 ("num outline contours", outline.n_contours);
}
glyph_outline_free (&outline);
bool_t ret = buffer_set_contents (buffer, &contents);
buffer_contents_free (&contents);
return ret;
}
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