1 /*
2 * << Haru Free PDF Library >> -- hpdf_fontdef_cid.c
3 *
4 * URL: http://libharu.org
5 *
6 * Copyright (c) 1999-2006 Takeshi Kanno <takeshi_kanno@est.hi-ho.ne.jp>
7 * Copyright (c) 2007-2009 Antony Dovgal <tony@daylessday.org>
8 *
9 * Permission to use, copy, modify, distribute and sell this software
10 * and its documentation for any purpose is hereby granted without fee,
11 * provided that the above copyright notice appear in all copies and
12 * that both that copyright notice and this permission notice appear
13 * in supporting documentation.
14 * It is provided "as is" without express or implied warranty.
15 *
16 */
17
18 #include "hpdf_conf.h"
19 #include "hpdf_utils.h"
20 #include "hpdf_fontdef.h"
21
22 void
23 HPDF_CIDFontDef_FreeWidth (HPDF_FontDef fontdef);
24
25
26 void
27 HPDF_CIDFontDef_FreeFunc (HPDF_FontDef fontdef);
28
29
30 /*----------------------------------------------------------------------*/
31 /*----- HPDF_CIDFontDef ------------------------------------------------*/
32
33 void
HPDF_CIDFontDef_FreeWidth(HPDF_FontDef fontdef)34 HPDF_CIDFontDef_FreeWidth (HPDF_FontDef fontdef)
35 {
36 HPDF_CIDFontDefAttr attr = (HPDF_CIDFontDefAttr)fontdef->attr;
37 HPDF_UINT i;
38
39 HPDF_PTRACE ((" HPDF_FontDef_Validate\n"));
40
41 for (i = 0; i < attr->widths->count; i++) {
42 HPDF_CID_Width *w =
43 (HPDF_CID_Width *)HPDF_List_ItemAt (attr->widths, i);
44
45 HPDF_FreeMem (fontdef->mmgr, w);
46 }
47
48 HPDF_List_Free (attr->widths);
49 attr->widths = NULL;
50
51 fontdef->valid = HPDF_FALSE;
52 }
53
54
55 HPDF_FontDef
HPDF_CIDFontDef_New(HPDF_MMgr mmgr,char * name,HPDF_FontDef_InitFunc init_fn)56 HPDF_CIDFontDef_New (HPDF_MMgr mmgr,
57 char *name,
58 HPDF_FontDef_InitFunc init_fn)
59 {
60 HPDF_FontDef fontdef;
61 HPDF_CIDFontDefAttr fontdef_attr;
62
63 HPDF_PTRACE ((" HPDF_CIDFontDef_New\n"));
64
65 if (!mmgr)
66 return NULL;
67
68 fontdef = HPDF_GetMem (mmgr, sizeof(HPDF_FontDef_Rec));
69 if (!fontdef)
70 return NULL;
71
72 HPDF_MemSet (fontdef, 0, sizeof(HPDF_FontDef_Rec));
73 fontdef->sig_bytes = HPDF_FONTDEF_SIG_BYTES;
74 HPDF_StrCpy (fontdef->base_font, name, fontdef->base_font +
75 HPDF_LIMIT_MAX_NAME_LEN);
76 fontdef->mmgr = mmgr;
77 fontdef->error = mmgr->error;
78 fontdef->type = HPDF_FONTDEF_TYPE_UNINITIALIZED;
79 fontdef->free_fn = HPDF_CIDFontDef_FreeFunc;
80 fontdef->init_fn = init_fn;
81 fontdef->valid = HPDF_FALSE;
82 fontdef_attr = HPDF_GetMem (mmgr, sizeof(HPDF_CIDFontDefAttr_Rec));
83 if (!fontdef_attr) {
84 HPDF_FreeMem (fontdef->mmgr, fontdef);
85 return NULL;
86 }
87
88 fontdef->attr = fontdef_attr;
89 HPDF_MemSet ((HPDF_BYTE *)fontdef_attr, 0,
90 sizeof(HPDF_CIDFontDefAttr_Rec));
91
92 fontdef_attr->widths = HPDF_List_New (mmgr, HPDF_DEF_CHAR_WIDTHS_NUM);
93 if (!fontdef_attr->widths) {
94 HPDF_FreeMem (fontdef->mmgr, fontdef);
95 HPDF_FreeMem (fontdef->mmgr, fontdef_attr);
96 return NULL;
97 }
98
99 fontdef->missing_width = 500;
100 fontdef_attr->DW = 1000;
101 fontdef_attr->DW2[0] = 880;
102 fontdef_attr->DW2[1] = -1000;
103
104 return fontdef;
105 }
106
107
108 HPDF_INT16
HPDF_CIDFontDef_GetCIDWidth(HPDF_FontDef fontdef,HPDF_UINT16 cid)109 HPDF_CIDFontDef_GetCIDWidth (HPDF_FontDef fontdef,
110 HPDF_UINT16 cid)
111 {
112 HPDF_CIDFontDefAttr attr = (HPDF_CIDFontDefAttr)fontdef->attr;
113 HPDF_UINT i;
114
115 HPDF_PTRACE ((" HPDF_CIDFontDef_GetCIDWidth\n"));
116
117 for (i = 0; i < attr->widths->count; i++) {
118 HPDF_CID_Width *w = (HPDF_CID_Width *)HPDF_List_ItemAt (attr->widths,
119 i);
120
121 if (w->cid == cid)
122 return w->width;
123 }
124
125 /* Not found in pdf_cid_width array. */
126 return attr->DW;
127 }
128
129 void
HPDF_CIDFontDef_FreeFunc(HPDF_FontDef fontdef)130 HPDF_CIDFontDef_FreeFunc (HPDF_FontDef fontdef)
131 {
132 HPDF_CIDFontDefAttr attr = (HPDF_CIDFontDefAttr)fontdef->attr;
133
134 HPDF_PTRACE ((" HPDF_CIDFontDef_FreeFunc\n"));
135
136 HPDF_CIDFontDef_FreeWidth (fontdef);
137 HPDF_FreeMem (fontdef->mmgr, attr);
138 }
139
140
141 HPDF_STATUS
HPDF_CIDFontDef_AddWidth(HPDF_FontDef fontdef,const HPDF_CID_Width * widths)142 HPDF_CIDFontDef_AddWidth (HPDF_FontDef fontdef,
143 const HPDF_CID_Width *widths)
144 {
145 HPDF_CIDFontDefAttr attr = (HPDF_CIDFontDefAttr)fontdef->attr;
146
147 HPDF_PTRACE ((" HPDF_CIDFontDef_AddWidth\n"));
148
149 while (widths->cid != 0xFFFF) {
150 HPDF_CID_Width *w = HPDF_GetMem (fontdef->mmgr,
151 sizeof (HPDF_CID_Width));
152 HPDF_STATUS ret;
153
154 if (!w)
155 return fontdef->error->error_no;
156
157 w->cid = widths->cid;
158 w->width = widths->width;
159
160 if ((ret = HPDF_List_Add (attr->widths, w)) != HPDF_OK) {
161 HPDF_FreeMem (fontdef->mmgr, w);
162
163 return ret;
164 }
165
166 widths++;
167 }
168
169 return HPDF_OK;
170 }
171
172
173 HPDF_STATUS
HPDF_CIDFontDef_ChangeStyle(HPDF_FontDef fontdef,HPDF_BOOL bold,HPDF_BOOL italic)174 HPDF_CIDFontDef_ChangeStyle (HPDF_FontDef fontdef,
175 HPDF_BOOL bold,
176 HPDF_BOOL italic)
177 {
178 HPDF_PTRACE ((" HPDF_CIDFontDef_ChangeStyle\n"));
179
180 if (!fontdef || !fontdef->attr)
181 return HPDF_INVALID_FONTDEF_DATA;
182
183 if (bold) {
184 fontdef->stemv *= 2;
185 fontdef->flags |= HPDF_FONT_FOURCE_BOLD;
186 }
187
188 if (italic) {
189 fontdef->italic_angle -= 11;
190 fontdef->flags |= HPDF_FONT_ITALIC;
191 }
192
193 return HPDF_OK;
194 }
195
196
197
198