static int
pdf_get_string_width(pdf_xref *xref, fz_obj *res, fz_buffer *base, unsigned short *string, unsigned short *end)
{
fz_bbox bbox;
fz_error error;
int width, old_len = base->len;
fz_device *dev = fz_new_bbox_device(xref->ctx, &bbox);
pdf_string_to_Tj(xref->ctx, base, string, end);
fz_buffer_printf(xref->ctx, base, "ET Q EMC");
error = pdf_run_glyph(xref, res, base, dev, fz_identity);
width = error ? -1 : bbox.x1 - bbox.x0;
base->len = old_len;
fz_free_device(dev);
return width;
}
static void
pdf_run_glyph_func(fz_context *ctx, void *doc, void *rdb, fz_buffer *contents, fz_device *dev, const fz_matrix *ctm, void *gstate, int nested_depth)
{
pdf_run_glyph(ctx, doc, (pdf_obj *)rdb, contents, dev, ctm, gstate, nested_depth);
}
static void
pdf_run_glyph_func(void *doc, void *rdb, fz_buffer *contents, fz_device *dev, fz_matrix ctm, void *gstate)
{
pdf_run_glyph(doc, (pdf_obj *)rdb, contents, dev, ctm, gstate);
}
