HPDF_INT16
HPDF_Type1FontDef_GetWidthByName (HPDF_FontDef fontdef,
const char* gryph_name)
{
HPDF_UNICODE unicode = HPDF_GryphNameToUnicode (gryph_name);
HPDF_PTRACE (" HPDF_Type1FontDef_GetWidthByName\n");
return HPDF_Type1FontDef_GetWidth (fontdef, unicode);
}
HPDF_Font_GetUnicodeWidth (HPDF_Font font,
HPDF_UNICODE code)
{
HPDF_FontAttr attr;
HPDF_FontDef fontdef;
HPDF_PTRACE((" HPDF_Font_GetUnicodeWidth\n"));
if (!HPDF_Font_Validate(font))
return 0;
attr = (HPDF_FontAttr)font->attr;
fontdef = attr->fontdef;
if (fontdef->type == HPDF_FONTDEF_TYPE_TYPE1) {
return HPDF_Type1FontDef_GetWidth (fontdef, code);
} else if (fontdef->type == HPDF_FONTDEF_TYPE_TRUETYPE) {
return HPDF_TTFontDef_GetCharWidth (fontdef, code);
} else if (fontdef->type == HPDF_FONTDEF_TYPE_CID) {
HPDF_CMapEncoderAttr encoder_attr =
(HPDF_CMapEncoderAttr)attr->encoder->attr;
HPDF_UINT l, h;
for (l = 0; l <= 255; l++) {
for (h = 0; h < 255; h++) {
if (code == encoder_attr->unicode_map[l][h]) {
HPDF_UINT16 cid = encoder_attr->cid_map[l][h];
return HPDF_CIDFontDef_GetCIDWidth (fontdef, cid);
}
}
}
}
HPDF_PTRACE((" HPDF_Font_GetUnicodeWidth not found (0x%04X)\n", code));
return 0;
}
HPDF_Font
HPDF_Type1Font_New (HPDF_MMgr mmgr,
HPDF_FontDef fontdef,
HPDF_Encoder encoder,
HPDF_Xref xref)
{
HPDF_Dict font;
HPDF_FontAttr attr;
HPDF_Type1FontDefAttr fontdef_attr;
HPDF_BasicEncoderAttr encoder_attr;
HPDF_STATUS ret = 0;
HPDF_UINT i;
HPDF_PTRACE ((" HPDF_Type1Font_New\n"));
/* check whether the fontdef object and the encoder object is valid. */
if (encoder->type != HPDF_ENCODER_TYPE_SINGLE_BYTE) {
HPDF_SetError(mmgr->error, HPDF_INVALID_ENCODER_TYPE, 0);
return NULL;
}
if (fontdef->type != HPDF_FONTDEF_TYPE_TYPE1) {
HPDF_SetError(mmgr->error, HPDF_INVALID_FONTDEF_TYPE, 0);
return NULL;
}
font = HPDF_Dict_New (mmgr);
if (!font)
return NULL;
font->header.obj_class |= HPDF_OSUBCLASS_FONT;
attr = HPDF_GetMem (mmgr, sizeof(HPDF_FontAttr_Rec));
if (!attr) {
HPDF_Dict_Free (font);
return NULL;
}
font->header.obj_class |= HPDF_OSUBCLASS_FONT;
font->write_fn = Type1Font_OnWrite;
font->free_fn = Type1Font_OnFree;
HPDF_MemSet (attr, 0, sizeof(HPDF_FontAttr_Rec));
font->attr = attr;
attr->type = HPDF_FONT_TYPE1;
attr->writing_mode = HPDF_WMODE_HORIZONTAL;
attr->text_width_fn = Type1Font_TextWidth;
attr->measure_text_fn = Type1Font_MeasureText;
attr->fontdef = fontdef;
attr->encoder = encoder;
attr->xref = xref;
/* singlebyte-font has a widths-array which is an array of 256 signed
* short integer.
*/
attr->widths = HPDF_GetMem (mmgr, sizeof(HPDF_INT16) * 256);
if (!attr->widths) {
HPDF_Dict_Free (font);
return NULL;
}
encoder_attr = (HPDF_BasicEncoderAttr)encoder->attr;
HPDF_MemSet (attr->widths, 0, sizeof(HPDF_INT16) * 256);
for (i = encoder_attr->first_char; i <= encoder_attr->last_char; i++) {
HPDF_UNICODE u = encoder_attr->unicode_map[i];
HPDF_UINT16 w = HPDF_Type1FontDef_GetWidth (fontdef, u);
attr->widths[i] = w;
}
fontdef_attr = (HPDF_Type1FontDefAttr)fontdef->attr;
if(strncmp (fontdef->base_font, "HPDF_", 5) == 0 && fontdef->is_form_font == HPDF_TRUE)
{
ret += HPDF_Dict_AddName (font, "Type", "Font");
ret += HPDF_Dict_AddName (font, "BaseFont", fontdef->base_font + 5);
ret += HPDF_Dict_AddName (font, "Subtype", "TrueType");
}
else{
ret += HPDF_Dict_AddName (font, "Type", "Font");
ret += HPDF_Dict_AddName (font, "BaseFont", fontdef->base_font);
ret += HPDF_Dict_AddName (font, "Subtype", "Type1");
}
if (!fontdef_attr->is_base14font) {
if (fontdef->missing_width != 0)
ret += HPDF_Dict_AddNumber (font, "MissingWidth",
fontdef->missing_width);
ret += Type1Font_CreateDescriptor (mmgr, font, xref);
}
if (ret != HPDF_OK) {
HPDF_Dict_Free (font);
return NULL;
}
if (HPDF_Xref_Add (xref, font) != HPDF_OK)
return NULL;
return font;
}
