HPDF_Font HPDF_Type0Font_New (HPDF_MMgr mmgr, HPDF_FontDef fontdef, HPDF_Encoder encoder, HPDF_Xref xref) { HPDF_Dict font; HPDF_FontAttr attr; HPDF_CMapEncoderAttr encoder_attr; HPDF_STATUS ret = 0; HPDF_Array descendant_fonts; HPDF_PTRACE ((" HPDF_Type0Font_New\n")); font = HPDF_Dict_New (mmgr); if (!font) return NULL; font->header.obj_class |= HPDF_OSUBCLASS_FONT; /* check whether the fontdef object and the encoder object is valid. */ if (encoder->type != HPDF_ENCODER_TYPE_DOUBLE_BYTE) { HPDF_SetError(font->error, HPDF_INVALID_ENCODER_TYPE, 0); return NULL; } if (fontdef->type != HPDF_FONTDEF_TYPE_CID && fontdef->type != HPDF_FONTDEF_TYPE_TRUETYPE) { HPDF_SetError(font->error, HPDF_INVALID_FONTDEF_TYPE, 0); return NULL; } 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 = NULL; font->free_fn = OnFree_Func; font->attr = attr; encoder_attr = (HPDF_CMapEncoderAttr)encoder->attr; HPDF_MemSet (attr, 0, sizeof(HPDF_FontAttr_Rec)); attr->writing_mode = encoder_attr->writing_mode; attr->text_width_fn = TextWidth; attr->measure_text_fn = MeasureText; attr->fontdef = fontdef; attr->encoder = encoder; attr->xref = xref; if (HPDF_Xref_Add (xref, font) != HPDF_OK) return NULL; ret += HPDF_Dict_AddName (font, "Type", "Font"); ret += HPDF_Dict_AddName (font, "BaseFont", fontdef->base_font); ret += HPDF_Dict_AddName (font, "Subtype", "Type0"); if (fontdef->type == HPDF_FONTDEF_TYPE_CID) { ret += HPDF_Dict_AddName (font, "Encoding", encoder->name); } else { /* * Handle the Unicode encoding, see hpdf_encoding_utf.c For some * reason, xpdf-based readers cannot deal with our cmap but work * fine when using the predefined "Identity-H" * encoding. However, text selection does not work, unless we * add a ToUnicode cmap. This CMap should also be "Identity", * but that does not work -- specifying our cmap as a stream however * does work. Who can understand that ? */ if (HPDF_StrCmp(encoder_attr->ordering, "Identity-H") == 0) { ret += HPDF_Dict_AddName (font, "Encoding", "Identity-H"); attr->cmap_stream = CreateCMap (encoder, xref); if (attr->cmap_stream) { ret += HPDF_Dict_Add (font, "ToUnicode", attr->cmap_stream); } else return NULL; } else { attr->cmap_stream = CreateCMap (encoder, xref); if (attr->cmap_stream) { ret += HPDF_Dict_Add (font, "Encoding", attr->cmap_stream); } else return NULL; } } if (ret != HPDF_OK) return NULL; descendant_fonts = HPDF_Array_New (mmgr); if (!descendant_fonts) return NULL; if (HPDF_Dict_Add (font, "DescendantFonts", descendant_fonts) != HPDF_OK) return NULL; if (fontdef->type == HPDF_FONTDEF_TYPE_CID) { attr->descendant_font = CIDFontType0_New (font, xref); attr->type = HPDF_FONT_TYPE0_CID; } else { attr->descendant_font = CIDFontType2_New (font, xref); attr->type = HPDF_FONT_TYPE0_TT; } if (!attr->descendant_font) return NULL; else if (HPDF_Array_Add (descendant_fonts, attr->descendant_font) != HPDF_OK) return NULL; return font; }
HPDF_Font HPDF_Type0Font_New (HPDF_MMgr mmgr, HPDF_FontDef fontdef, HPDF_Encoder encoder, HPDF_Xref xref) { HPDF_Dict font; HPDF_FontAttr attr; HPDF_CMapEncoderAttr encoder_attr; HPDF_STATUS ret = 0; HPDF_Array descendant_fonts; HPDF_PTRACE ((" HPDF_Type0Font_New\n")); font = HPDF_Dict_New (mmgr); if (!font) return NULL; font->header.obj_class |= HPDF_OSUBCLASS_FONT; /* check whether the fontdef object and the encoder object is valid. */ if (encoder->type != HPDF_ENCODER_TYPE_DOUBLE_BYTE) { HPDF_SetError(font->error, HPDF_INVALID_ENCODER_TYPE, 0); return NULL; } if (fontdef->type != HPDF_FONTDEF_TYPE_CID && fontdef->type != HPDF_FONTDEF_TYPE_TRUETYPE) { HPDF_SetError(font->error, HPDF_INVALID_FONTDEF_TYPE, 0); return NULL; } 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 = NULL; font->free_fn = OnFree_Func; font->attr = attr; encoder_attr = (HPDF_CMapEncoderAttr)encoder->attr; HPDF_MemSet (attr, 0, sizeof(HPDF_FontAttr_Rec)); attr->writing_mode = encoder_attr->writing_mode; attr->text_width_fn = TextWidth; attr->measure_text_fn = MeasureText; attr->fontdef = fontdef; attr->encoder = encoder; attr->xref = xref; if (HPDF_Xref_Add (xref, font) != HPDF_OK) return NULL; ret += HPDF_Dict_AddName (font, "Type", "Font"); ret += HPDF_Dict_AddName (font, "BaseFont", fontdef->base_font); ret += HPDF_Dict_AddName (font, "Subtype", "Type0"); if (fontdef->type == HPDF_FONTDEF_TYPE_CID) { ret += HPDF_Dict_AddName (font, "Encoding", encoder->name); } else { attr->cmap_stream = CreateCMap (encoder, xref); if (attr->cmap_stream) { ret += HPDF_Dict_Add (font, "Encoding", attr->cmap_stream); } else return NULL; } if (ret != HPDF_OK) return NULL; descendant_fonts = HPDF_Array_New (mmgr); if (!descendant_fonts) return NULL; if (HPDF_Dict_Add (font, "DescendantFonts", descendant_fonts) != HPDF_OK) return NULL; if (fontdef->type == HPDF_FONTDEF_TYPE_CID) { attr->descendant_font = CIDFontType0_New (font, xref); attr->type = HPDF_FONT_TYPE0_CID; } else { attr->descendant_font = CIDFontType2_New (font, xref); attr->type = HPDF_FONT_TYPE0_TT; } if (!attr->descendant_font) return NULL; else if (HPDF_Array_Add (descendant_fonts, attr->descendant_font) != HPDF_OK) return NULL; return font; }