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#include "fitz.h"
#include "muxps.h"
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_ADVANCES_H
int
xps_count_font_encodings(fz_font *font)
{
FT_Face face = font->ftface;
return face->num_charmaps;
}
void
xps_identify_font_encoding(fz_font *font, int idx, int *pid, int *eid)
{
FT_Face face = font->ftface;
*pid = face->charmaps[idx]->platform_id;
*eid = face->charmaps[idx]->encoding_id;
}
void
xps_select_font_encoding(fz_font *font, int idx)
{
FT_Face face = font->ftface;
FT_Set_Charmap(face, face->charmaps[idx]);
}
int
xps_encode_font_char(fz_font *font, int code)
{
FT_Face face = font->ftface;
int gid = FT_Get_Char_Index(face, code);
if (gid == 0 && face->charmap->platform_id == 3 && face->charmap->encoding_id == 0)
gid = FT_Get_Char_Index(face, 0xF000 | code);
return gid;
}
void
xps_measure_font_glyph(xps_context *ctx, fz_font *font, int gid, xps_glyph_metrics *mtx)
{
int mask = FT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING | FT_LOAD_IGNORE_TRANSFORM;
FT_Face face = font->ftface;
FT_Fixed hadv, vadv;
FT_Set_Char_Size(face, 64, 64, 72, 72);
FT_Get_Advance(face, gid, mask, &hadv);
FT_Get_Advance(face, gid, mask | FT_LOAD_VERTICAL_LAYOUT, &vadv);
mtx->hadv = hadv / 65536.0f;
mtx->vadv = vadv / 65536.0f;
mtx->vorg = face->ascender / (float) face->units_per_EM;
}
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