2 * PostScript driver Type42 font functions
4 * Copyright 2002 Huw D M Davies for CodeWeavers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
38 #include "wine/debug.h"
40 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
43 #define GET_BE_WORD(ptr) MAKEWORD( ((BYTE *)(ptr))[1], ((BYTE *)(ptr))[0] )
44 #define GET_BE_DWORD(ptr) ((DWORD)MAKELONG( GET_BE_WORD(&((WORD *)(ptr))[1]), \
45 GET_BE_WORD(&((WORD *)(ptr))[0]) ))
47 #define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
48 ( ( (DWORD)_x4 << 24 ) | \
49 ( (DWORD)_x3 << 16 ) | \
50 ( (DWORD)_x2 << 8 ) | \
60 static const OTTable tables_templ[] = {
61 { MS_MAKE_TAG('c','v','t',' '), 0, 0, NULL, TRUE },
62 { MS_MAKE_TAG('f','p','g','m'), 0, 0, NULL, TRUE },
63 { MS_MAKE_TAG('g','d','i','r'), 0, 0, NULL, TRUE },
64 { MS_MAKE_TAG('g','l','y','f'), 0, 0, NULL, FALSE },
65 { MS_MAKE_TAG('h','e','a','d'), 0, 0, NULL, TRUE },
66 { MS_MAKE_TAG('h','h','e','a'), 0, 0, NULL, TRUE },
67 { MS_MAKE_TAG('h','m','t','x'), 0, 0, NULL, TRUE },
68 { MS_MAKE_TAG('l','o','c','a'), 0, 0, NULL, TRUE },
69 { MS_MAKE_TAG('m','a','x','p'), 0, 0, NULL, TRUE },
70 { MS_MAKE_TAG('p','r','e','p'), 0, 0, NULL, TRUE },
75 OTTable tables[sizeof(tables_templ)/sizeof(tables_templ[0])];
76 int glyf_tab, loca_tab, head_tab; /* indices of glyf, loca and head tables */
77 int hmtx_tab, maxp_tab;
78 int num_of_written_tables;
79 DWORD glyph_sent_size;
85 #define GLYPH_SENT_INC 128
87 #define FLIP_ORDER(x) \
88 ( ( ((x) & 0xff) << 24) | \
89 ( ((x) & 0xff00) << 8) | \
90 ( ((x) & 0xff0000) >> 8) | \
91 ( ((x) & 0xff000000) >> 24) )
94 /* Some flags for composite glyphs. See glyf table in OT spec */
95 #define ARG_1_AND_2_ARE_WORDS (1L << 0)
96 #define WE_HAVE_A_SCALE (1L << 3)
97 #define MORE_COMPONENTS (1L << 5)
98 #define WE_HAVE_AN_X_AND_Y_SCALE (1L << 6)
99 #define WE_HAVE_A_TWO_BY_TWO (1L << 7)
102 static BOOL LoadTable(HDC hdc, OTTable *table)
106 if(table->MS_tag == MS_MAKE_TAG('g','d','i','r')) return TRUE;
107 table->len = GetFontData(hdc, table->MS_tag, 0, NULL, 0);
108 table->data = HeapAlloc(GetProcessHeap(), 0, (table->len + 3) & ~3 );
109 memset(table->data + ((table->len - 1) & ~3), 0, sizeof(DWORD));
110 GetFontData(hdc, table->MS_tag, 0, table->data, table->len);
112 for(i = 0; i < (table->len + 3) / 4; i++)
113 table->check += FLIP_ORDER(*((DWORD*)(table->data) + i));
117 static BOOL get_glyf_pos(TYPE42 *t42, DWORD index, DWORD *start, DWORD *end)
119 WORD loca_format = GET_BE_WORD(t42->tables[t42->head_tab].data + 50);
120 TRACE("loca_format = %d\n", loca_format);
121 switch(loca_format) {
123 *start = GET_BE_WORD(((WORD*)t42->tables[t42->loca_tab].data) + index);
125 *end = GET_BE_WORD(((WORD*)t42->tables[t42->loca_tab].data) + index + 1);
129 *start = GET_BE_DWORD(((DWORD*)t42->tables[t42->loca_tab].data) + index);
130 *end = GET_BE_DWORD(((DWORD*)t42->tables[t42->loca_tab].data) + index + 1);
133 ERR("Unknown loca_format %d\n", loca_format);
139 TYPE42 *T42_download_header(PSDRV_PDEVICE *physDev, char *ps_name,
140 RECT *bbox, UINT emsize)
142 DWORD i, j, tablepos, nb_blocks, glyf_off = 0, loca_off = 0, cur_off;
143 WORD num_of_tables = sizeof(tables_templ) / sizeof(tables_templ[0]) - 1;
146 static const char start[] = /* name, fontbbox */
148 " /FontName /%s def\n"
149 " /Encoding 256 array 0 1 255{1 index exch /.notdef put} for\n"
151 " /PaintType 0 def\n"
152 " /FontMatrix [1 0 0 1 0 0] def\n"
153 " /FontBBox [%f %f %f %f] def\n"
154 " /FontType 42 def\n"
155 " /CharStrings 256 dict begin\n"
157 " currentdict end def\n"
159 static const char TT_offset_table[] = "<00010000%04x%04x%04x%04x\n";
160 static const char TT_table_dir_entry[] = "%08x%08x%08x%08x\n";
161 static const char storage[] ="]\nhavetype42gdir{pop}{{string} forall}ifelse\n";
162 static const char end[] = "] def\n"
163 "havetype42gdir{/GlyphDirectory 256 dict def\n"
165 " %d <6c6f6378000000000000000000000000> putinterval\n" /* replace loca entry with dummy locx */
166 " %d <676c6678000000000000000000000000> putinterval\n" /* replace glyf entry with dummy glfx */
168 "currentdict end dup /FontName get exch definefont pop\n";
171 t42 = HeapAlloc(GetProcessHeap(), 0, sizeof(*t42));
172 memcpy(t42->tables, tables_templ, sizeof(tables_templ));
173 t42->loca_tab = t42->glyf_tab = t42->head_tab = t42->hmtx_tab = -1;
174 t42->emsize = emsize;
175 t42->num_of_written_tables = 0;
177 for(i = 0; i < num_of_tables; i++) {
178 LoadTable(physDev->hdc, t42->tables + i);
179 if(t42->tables[i].len > 0xffff && t42->tables[i].write) break;
180 if(t42->tables[i].write) t42->num_of_written_tables++;
181 if(t42->tables[i].MS_tag == MS_MAKE_TAG('l','o','c','a'))
183 else if(t42->tables[i].MS_tag == MS_MAKE_TAG('g','l','y','f'))
185 else if(t42->tables[i].MS_tag == MS_MAKE_TAG('h','e','a','d'))
187 else if(t42->tables[i].MS_tag == MS_MAKE_TAG('h','m','t','x'))
189 else if(t42->tables[i].MS_tag == MS_MAKE_TAG('m','a','x','p'))
192 if(i < num_of_tables) {
193 TRACE("Table %d has length %d. Will use Type 1 font instead.\n", i, t42->tables[i].len);
198 t42->glyph_sent_size = GLYPH_SENT_INC;
199 t42->glyph_sent = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
200 t42->glyph_sent_size *
201 sizeof(*(t42->glyph_sent)));
203 buf = HeapAlloc(GetProcessHeap(), 0, sizeof(start) + strlen(ps_name) +
206 push_lc_numeric("C");
207 sprintf(buf, start, ps_name,
208 (float)bbox->left / emsize, (float)bbox->bottom / emsize,
209 (float)bbox->right / emsize, (float)bbox->top / emsize);
212 PSDRV_WriteSpool(physDev, buf, strlen(buf));
214 t42->num_of_written_tables++; /* explicitly add glyf */
215 sprintf(buf, TT_offset_table, t42->num_of_written_tables,
216 t42->num_of_written_tables, t42->num_of_written_tables, t42->num_of_written_tables);
218 PSDRV_WriteSpool(physDev, buf, strlen(buf));
220 tablepos = 12 + t42->num_of_written_tables * 16;
222 for(i = 0; i < num_of_tables; i++) {
223 if(!t42->tables[i].write) continue;
224 sprintf(buf, TT_table_dir_entry, FLIP_ORDER(t42->tables[i].MS_tag),
225 t42->tables[i].check, t42->tables[i].len ? tablepos : 0,
227 PSDRV_WriteSpool(physDev, buf, strlen(buf));
228 tablepos += ((t42->tables[i].len + 3) & ~3);
229 if(t42->tables[i].MS_tag == MS_MAKE_TAG('l','o','c','a'))
233 sprintf(buf, TT_table_dir_entry, FLIP_ORDER(t42->tables[t42->glyf_tab].MS_tag),
234 t42->tables[t42->glyf_tab].check, tablepos, t42->tables[t42->glyf_tab].len);
235 PSDRV_WriteSpool(physDev, buf, strlen(buf));
236 PSDRV_WriteSpool(physDev, "00>\n", 4); /* add an extra byte for old PostScript rips */
239 for(i = 0; i < num_of_tables; i++) {
240 if(t42->tables[i].len == 0 || !t42->tables[i].write) continue;
241 PSDRV_WriteSpool(physDev, "<", 1);
242 for(j = 0; j < ((t42->tables[i].len + 3) & ~3); j++) {
243 sprintf(buf, "%02x", t42->tables[i].data[j]);
244 PSDRV_WriteSpool(physDev, buf, strlen(buf));
245 if(j % 16 == 15) PSDRV_WriteSpool(physDev, "\n", 1);
247 PSDRV_WriteSpool(physDev, "00>\n", 4); /* add an extra byte for old PostScript rips */
250 /* glyf_blocks is a 0 terminated list, holding the start offset of each block. For simplicity
251 glyf_blocks[0] is 0 */
253 t42->glyf_blocks = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (nb_blocks + 1) * sizeof(DWORD));
254 for(i = 0; i < GET_BE_WORD(t42->tables[t42->maxp_tab].data + 4); i++) {
255 DWORD start, end, size;
256 get_glyf_pos(t42, i, &start, &end);
257 size = end - t42->glyf_blocks[nb_blocks-2];
258 if(size > 0x2000 && t42->glyf_blocks[nb_blocks-1] % 4 == 0) {
260 t42->glyf_blocks = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
261 t42->glyf_blocks, (nb_blocks + 1) * sizeof(DWORD));
263 t42->glyf_blocks[nb_blocks-1] = end;
266 PSDRV_WriteSpool(physDev, "[ ", 2);
267 for(i = 1; t42->glyf_blocks[i]; i++) {
268 sprintf(buf,"%d ", t42->glyf_blocks[i] - t42->glyf_blocks[i-1] + 1);
269 /* again add one byte for old PostScript rips */
270 PSDRV_WriteSpool(physDev, buf, strlen(buf));
272 PSDRV_WriteSpool(physDev, "\n", 1);
274 PSDRV_WriteSpool(physDev, storage, sizeof(storage) - 1);
275 sprintf(buf, end, loca_off, glyf_off);
276 PSDRV_WriteSpool(physDev, buf, strlen(buf));
277 HeapFree(GetProcessHeap(), 0, buf);
284 BOOL T42_download_glyph(PSDRV_PDEVICE *physDev, DOWNLOAD *pdl, DWORD index,
293 const char glyph_def[] =
294 "/%s findfont exch 1 index\n"
296 "{/GlyphDirectory get begin %d exch def end}\n"
297 "{/sfnts get 4 index get 3 index 2 index putinterval pop}\n"
305 TRACE("%d %s\n", index, glyph_name);
306 assert(pdl->type == Type42);
307 t42 = pdl->typeinfo.Type42;
309 if(index < t42->glyph_sent_size) {
310 if(t42->glyph_sent[index])
313 t42->glyph_sent_size = (index / GLYPH_SENT_INC + 1) * GLYPH_SENT_INC;
314 t42->glyph_sent = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
316 t42->glyph_sent_size * sizeof(*(t42->glyph_sent)));
319 buf = HeapAlloc(GetProcessHeap(), 0, sizeof(glyph_def) +
320 strlen(pdl->ps_name) + 100);
322 if(!get_glyf_pos(t42, index, &start, &end)) return FALSE;
323 TRACE("start = %x end = %x\n", start, end);
325 awidth = GET_BE_WORD(t42->tables[t42->hmtx_tab].data + index * 4);
326 lsb = GET_BE_WORD(t42->tables[t42->hmtx_tab].data + index * 4 + 2);
328 if(GET_BE_WORD(t42->tables[t42->glyf_tab].data + start) == 0xffff) {
329 /* Composite glyph */
330 BYTE *sg_start = t42->tables[t42->glyf_tab].data + start + 10;
331 DWORD sg_flags, sg_index;
332 char sg_name[MAX_G_NAME + 1];
335 sg_flags = GET_BE_WORD(sg_start);
336 sg_index = GET_BE_WORD(sg_start + 2);
338 TRACE("Sending subglyph %04x for glyph %04x\n", sg_index, index);
339 get_glyph_name(physDev->hdc, sg_index, sg_name);
340 T42_download_glyph(physDev, pdl, sg_index, sg_name);
342 if(sg_flags & ARG_1_AND_2_ARE_WORDS)
346 if(sg_flags & WE_HAVE_A_SCALE)
348 else if(sg_flags & WE_HAVE_AN_X_AND_Y_SCALE)
350 else if(sg_flags & WE_HAVE_A_TWO_BY_TWO)
352 } while(sg_flags & MORE_COMPONENTS);
355 for(i = 1; t42->glyf_blocks[i]; i++)
356 if(start < t42->glyf_blocks[i]) break;
357 /* we don't have a string for the gdir and glyf tables, but we do have a
358 string for the TT header. So the offset we need is tables - 2 */
359 sprintf(buf, "%d %d\n", t42->num_of_written_tables - 2 + i, start - t42->glyf_blocks[i-1]);
360 PSDRV_WriteSpool(physDev, buf, strlen(buf));
362 PSDRV_WriteSpool(physDev, "<", 1);
363 for(i = start; i < end; i++) {
364 sprintf(buf, "%02x", *(t42->tables[t42->glyf_tab].data + i));
365 PSDRV_WriteSpool(physDev, buf, strlen(buf));
366 if((i - start) % 16 == 15)
367 PSDRV_WriteSpool(physDev, "\n", 1);
369 PSDRV_WriteSpool(physDev, ">\n", 2);
370 sprintf(buf, glyph_def, pdl->ps_name, index, glyph_name, index);
371 PSDRV_WriteSpool(physDev, buf, strlen(buf));
373 t42->glyph_sent[index] = TRUE;
374 HeapFree(GetProcessHeap(), 0, buf);
378 void T42_free(TYPE42 *t42)
381 for(table = t42->tables; table->MS_tag; table++)
382 HeapFree(GetProcessHeap(), 0, table->data);
383 HeapFree(GetProcessHeap(), 0, t42->glyph_sent);
384 HeapFree(GetProcessHeap(), 0, t42->glyf_blocks);
385 HeapFree(GetProcessHeap(), 0, t42);