static HPDF_Font
CIDFontType2_New (HPDF_Font parent, HPDF_Xref xref)
{
HPDF_STATUS ret = HPDF_OK;
HPDF_FontAttr attr = (HPDF_FontAttr)parent->attr;
HPDF_FontDef fontdef = attr->fontdef;
HPDF_TTFontDefAttr fontdef_attr = (HPDF_TTFontDefAttr)fontdef->attr;
HPDF_Encoder encoder = attr->encoder;
HPDF_CMapEncoderAttr encoder_attr =
(HPDF_CMapEncoderAttr)encoder->attr;
HPDF_Font font;
HPDF_Array array;
HPDF_UINT i;
HPDF_UNICODE tmp_map[65536];
HPDF_Dict cid_system_info;
HPDF_UINT16 max = 0;
HPDF_PTRACE ((" HPDF_CIDFontType2_New\n"));
font = HPDF_Dict_New (parent->mmgr);
if (!font)
return NULL;
if (HPDF_Xref_Add (xref, font) != HPDF_OK)
return NULL;
parent->before_write_fn = CIDFontType2_BeforeWrite_Func;
ret += HPDF_Dict_AddName (font, "Type", "Font");
ret += HPDF_Dict_AddName (font, "Subtype", "CIDFontType2");
ret += HPDF_Dict_AddNumber (font, "DW", fontdef->missing_width);
if (ret != HPDF_OK)
return NULL;
/* add 'DW2' element */
array = HPDF_Array_New (font->mmgr);
if (!array)
return NULL;
if (HPDF_Dict_Add (font, "DW2", array) != HPDF_OK)
return NULL;
ret += HPDF_Array_AddNumber (array, (HPDF_INT32)(fontdef->font_bbox.bottom));
ret += HPDF_Array_AddNumber (array, (HPDF_INT32)(fontdef->font_bbox.bottom -
fontdef->font_bbox.top));
HPDF_MemSet (tmp_map, 0, sizeof(HPDF_UNICODE) * 65536);
if (ret != HPDF_OK)
return NULL;
for (i = 0; i < 256; i++) {
HPDF_UINT j;
for (j = 0; j < 256; j++) {
if (encoder->to_unicode_fn == HPDF_CMapEncoder_ToUnicode) {
HPDF_UINT16 cid = encoder_attr->cid_map[i][j];
if (cid != 0) {
HPDF_UNICODE unicode = encoder_attr->unicode_map[i][j];
HPDF_UINT16 gid = HPDF_TTFontDef_GetGlyphid (fontdef,
unicode);
tmp_map[cid] = gid;
if (max < cid)
max = cid;
}
} else {
HPDF_UNICODE unicode = (i << 8) | j;
HPDF_UINT16 gid = HPDF_TTFontDef_GetGlyphid (fontdef,
unicode);
tmp_map[unicode] = gid;
if (max < unicode)
max = unicode;
}
}
}
if (max > 0) {
HPDF_INT16 dw = fontdef->missing_width;
HPDF_UNICODE *ptmp_map = tmp_map;
HPDF_Array tmp_array = NULL;
/* add 'W' element */
array = HPDF_Array_New (font->mmgr);
if (!array)
return NULL;
if (HPDF_Dict_Add (font, "W", array) != HPDF_OK)
return NULL;
for (i = 0; i < max; i++, ptmp_map++) {
HPDF_INT w = HPDF_TTFontDef_GetGidWidth (fontdef, *ptmp_map);
if (w != dw) {
if (!tmp_array) {
if (HPDF_Array_AddNumber (array, i) != HPDF_OK)
return NULL;
tmp_array = HPDF_Array_New (font->mmgr);
if (!tmp_array)
return NULL;
if (HPDF_Array_Add (array, tmp_array) != HPDF_OK)
return NULL;
}
if ((ret = HPDF_Array_AddNumber (tmp_array, w)) != HPDF_OK)
return NULL;
} else
tmp_array = NULL;
}
/* create "CIDToGIDMap" data */
if (fontdef_attr->embedding) {
attr->map_stream = HPDF_DictStream_New (font->mmgr, xref);
if (!attr->map_stream)
return NULL;
if (HPDF_Dict_Add (font, "CIDToGIDMap", attr->map_stream) != HPDF_OK)
return NULL;
for (i = 0; i < max; i++) {
HPDF_BYTE u[2];
HPDF_UINT16 gid = tmp_map[i];
u[0] = (HPDF_BYTE)(gid >> 8);
u[1] = (HPDF_BYTE)gid;
HPDF_MemCpy ((HPDF_BYTE *)(tmp_map + i), u, 2);
}
if ((ret = HPDF_Stream_Write (attr->map_stream->stream,
(HPDF_BYTE *)tmp_map, max * 2)) != HPDF_OK)
return NULL;
}
static HPDF_STATUS
CIDFontType2_BeforeWrite_Func (HPDF_Dict obj)
{
HPDF_FontAttr font_attr = (HPDF_FontAttr)obj->attr;
HPDF_FontDef def = font_attr->fontdef;
HPDF_TTFontDefAttr def_attr = (HPDF_TTFontDefAttr)def->attr;
HPDF_STATUS ret = 0;
HPDF_Font font;
HPDF_Encoder encoder = font_attr->encoder;
HPDF_CMapEncoderAttr encoder_attr =
(HPDF_CMapEncoderAttr)encoder->attr;
HPDF_Array array;
HPDF_UINT i;
HPDF_UNICODE tmp_map[65536];
HPDF_UINT16 max = 0;
HPDF_PTRACE ((" CIDFontType2_BeforeWrite_Func\n"));
font = font_attr->descendant_font;
HPDF_MemSet (tmp_map, 0, sizeof(HPDF_UNICODE) * 65536);
if (ret != HPDF_OK)
return ret;
for (i = 0; i < 256; i++) {
HPDF_UINT j;
for (j = 0; j < 256; j++) {
if (encoder->to_unicode_fn == HPDF_CMapEncoder_ToUnicode) {
HPDF_UINT16 cid = encoder_attr->cid_map[i][j];
if (cid != 0) {
HPDF_UNICODE unicode = encoder_attr->unicode_map[i][j];
HPDF_UINT16 gid = HPDF_TTFontDef_GetGlyphid (def,
unicode);
tmp_map[cid] = gid;
if (max < cid)
max = cid;
}
} else {
HPDF_UNICODE unicode = (i << 8) | j;
HPDF_UINT16 gid = HPDF_TTFontDef_GetGlyphid (def,
unicode);
tmp_map[unicode] = gid;
if (max < unicode)
max = unicode;
}
}
}
if (def_attr->is_cidfont) {
max = def_attr->num_glyphs;
}
if (max > 0) {
HPDF_INT16 dw = def->missing_width;
HPDF_UNICODE *ptmp_map = tmp_map;
HPDF_Array tmp_array = NULL;
/* add 'W' element */
array = HPDF_Array_New (font->mmgr);
if (!array)
return HPDF_FAILD_TO_ALLOC_MEM;
if (HPDF_Dict_Add (font, "W", array) != HPDF_OK)
return HPDF_FAILD_TO_ALLOC_MEM;
for (i = 0; i < max; i++) {
HPDF_INT w;
HPDF_UINT16 gid;
if (def_attr->is_cidfont) {
gid = i;
} else {
gid = *ptmp_map;
ptmp_map++;
}
w = HPDF_TTFontDef_GetGidWidth (def, gid);
if (def_attr->glyph_tbl.flgs[gid] && w != dw) {
if (!tmp_array) {
if (HPDF_Array_AddNumber (array, i) != HPDF_OK)
return HPDF_FAILD_TO_ALLOC_MEM;
tmp_array = HPDF_Array_New (font->mmgr);
if (!tmp_array)
return HPDF_FAILD_TO_ALLOC_MEM;
if (HPDF_Array_Add (array, tmp_array) != HPDF_OK)
return HPDF_FAILD_TO_ALLOC_MEM;
}
if ((ret = HPDF_Array_AddNumber (tmp_array, w)) != HPDF_OK)
return HPDF_FAILD_TO_ALLOC_MEM;
} else
tmp_array = NULL;
}
/* create "CIDToGIDMap" data */
if (def_attr->embedding) {
if (def_attr->is_cidfont) {
ret += HPDF_Dict_AddName (font, "CIDToGIDMap", "Identity");
} else {
font_attr->map_stream = HPDF_DictStream_New (font->mmgr, font_attr->xref);
if (!font_attr->map_stream)
return HPDF_FAILD_TO_ALLOC_MEM;
if (HPDF_Dict_Add (font, "CIDToGIDMap", font_attr->map_stream) != HPDF_OK)
return HPDF_FAILD_TO_ALLOC_MEM;
for (i = 0; i < max; i++) {
HPDF_BYTE u[2];
HPDF_UINT16 gid = tmp_map[i];
u[0] = (HPDF_BYTE)(gid >> 8);
u[1] = (HPDF_BYTE)gid;
HPDF_MemCpy ((HPDF_BYTE *)(tmp_map + i), u, 2);
}
if ((ret = HPDF_Stream_Write (font_attr->map_stream->stream,
(HPDF_BYTE *)tmp_map, max * 2)) != HPDF_OK)
return HPDF_FAILD_TO_ALLOC_MEM;
}
}
} else {