2 * PostScript driver downloadable 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
33 #include "wine/debug.h"
35 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
37 #define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
38 ( ( (DWORD)_x4 << 24 ) | \
39 ( (DWORD)_x3 << 16 ) | \
40 ( (DWORD)_x2 << 8 ) | \
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 /****************************************************************************
50 static void get_download_name(PHYSDEV dev, LPOUTLINETEXTMETRICA potm, char **str)
52 static const char reserved_chars[] = " %/(){}[]<>\n\r\t\b\f";
57 size = GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, NULL, 0);
58 if(size != 0 && size != GDI_ERROR)
60 BYTE *name = HeapAlloc(GetProcessHeap(), 0, size);
75 GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, name, size);
76 count = GET_BE_WORD(name + 2);
77 strings = name + GET_BE_WORD(name + 4);
78 name_record = (typeof(name_record))(name + 6);
79 for(i = 0; i < count; i++, name_record++)
81 name_record->platform_id = GET_BE_WORD(&name_record->platform_id);
82 name_record->encoding_id = GET_BE_WORD(&name_record->encoding_id);
83 name_record->language_id = GET_BE_WORD(&name_record->language_id);
84 name_record->name_id = GET_BE_WORD(&name_record->name_id);
85 name_record->length = GET_BE_WORD(&name_record->length);
86 name_record->offset = GET_BE_WORD(&name_record->offset);
88 if(name_record->platform_id == 1 && name_record->encoding_id == 0 &&
89 name_record->language_id == 0 && name_record->name_id == 6)
91 TRACE("Got Mac PS name %s\n", debugstr_an((char*)strings + name_record->offset, name_record->length));
92 *str = HeapAlloc(GetProcessHeap(), 0, name_record->length + 1);
93 memcpy(*str, strings + name_record->offset, name_record->length);
94 *(*str + name_record->length) = '\0';
95 HeapFree(GetProcessHeap(), 0, name);
98 if(name_record->platform_id == 3 && name_record->encoding_id == 1 &&
99 name_record->language_id == 0x409 && name_record->name_id == 6)
101 WCHAR *unicode = HeapAlloc(GetProcessHeap(), 0, name_record->length + 2);
105 for(c = 0; c < name_record->length / 2; c++)
106 unicode[c] = GET_BE_WORD(strings + name_record->offset + c * 2);
108 TRACE("Got Windows PS name %s\n", debugstr_w(unicode));
109 len = WideCharToMultiByte(1252, 0, unicode, -1, NULL, 0, NULL, NULL);
110 *str = HeapAlloc(GetProcessHeap(), 0, len);
111 WideCharToMultiByte(1252, 0, unicode, -1, *str, len, NULL, NULL);
112 HeapFree(GetProcessHeap(), 0, unicode);
113 HeapFree(GetProcessHeap(), 0, name);
117 TRACE("Unable to find PostScript name\n");
118 HeapFree(GetProcessHeap(), 0, name);
122 len = strlen((char*)potm + (ptrdiff_t)potm->otmpFaceName) + 1;
123 *str = HeapAlloc(GetProcessHeap(),0,len);
124 strcpy(*str, (char*)potm + (ptrdiff_t)potm->otmpFaceName);
127 for (p = *str; *p; p++) if (strchr( reserved_chars, *p )) *p = '_';
130 /****************************************************************************
133 static DOWNLOAD *is_font_downloaded(PSDRV_PDEVICE *physDev, char *ps_name)
137 for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
138 if(!strcmp(pdl->ps_name, ps_name))
143 /****************************************************************************
146 static BOOL is_room_for_font(PSDRV_PDEVICE *physDev)
151 /* FIXME: should consider vm usage of each font and available printer memory.
152 For now we allow up to two fonts to be downloaded at a time */
153 for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
161 /****************************************************************************
164 * This retrieves the bounding box of the font in font units as well as
165 * the size of the emsquare. To avoid having to worry about mapping mode and
166 * the font size we'll get the data directly from the TrueType HEAD table rather
167 * than using GetOutlineTextMetrics.
169 static BOOL get_bbox(HDC hdc, RECT *rc, UINT *emsize)
171 BYTE head[54]; /* the head table is 54 bytes long */
173 if(GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head)) == GDI_ERROR)
175 ERR("Can't retrieve head table\n");
178 *emsize = GET_BE_WORD(head + 18); /* unitsPerEm */
181 rc->left = (signed short)GET_BE_WORD(head + 36); /* xMin */
182 rc->bottom = (signed short)GET_BE_WORD(head + 38); /* yMin */
183 rc->right = (signed short)GET_BE_WORD(head + 40); /* xMax */
184 rc->top = (signed short)GET_BE_WORD(head + 42); /* yMax */
189 /****************************************************************************
190 * PSDRV_SelectDownloadFont
192 * Set up physDev->font for a downloadable font
195 BOOL PSDRV_SelectDownloadFont(PHYSDEV dev)
197 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
199 physDev->font.fontloc = Download;
200 physDev->font.fontinfo.Download = NULL;
205 static UINT calc_ppem_for_height(HDC hdc, LONG height)
207 BYTE os2[78]; /* size of version 0 table */
208 BYTE hhea[8]; /* just enough to get the ascender and descender */
209 LONG ascent = 0, descent = 0;
212 if(height < 0) return -height;
214 if(GetFontData(hdc, MS_MAKE_TAG('O','S','/','2'), 0, os2, sizeof(os2)) == sizeof(os2))
216 ascent = GET_BE_WORD(os2 + 74); /* usWinAscent */
217 descent = GET_BE_WORD(os2 + 76); /* usWinDescent */
220 if(ascent + descent == 0)
222 if(GetFontData(hdc, MS_MAKE_TAG('h','h','e','a'), 0, hhea, sizeof(hhea)) == sizeof(hhea))
224 ascent = (signed short)GET_BE_WORD(hhea + 4); /* Ascender */
225 descent = -(signed short)GET_BE_WORD(hhea + 6); /* Descender */
229 if(ascent + descent == 0) return height;
231 get_bbox(hdc, NULL, &emsize);
233 return MulDiv(emsize, height, ascent + descent);
236 static inline float ps_round(float f)
238 return (f > 0) ? (f + 0.5) : (f - 0.5);
241 static BOOL is_fake_italic( HDC hdc )
244 BYTE head[54]; /* the head table is 54 bytes long */
247 GetTextMetricsW( hdc, &tm );
248 if (!tm.tmItalic) return FALSE;
250 if (GetFontData( hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head) ) == GDI_ERROR)
253 mac_style = GET_BE_WORD( head + 44 );
254 TRACE( "mac style %04x\n", mac_style );
255 return !(mac_style & 2);
258 /****************************************************************************
259 * PSDRV_WriteSetDownloadFont
261 * Write setfont for download font.
264 BOOL PSDRV_WriteSetDownloadFont(PHYSDEV dev)
266 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
268 LPOUTLINETEXTMETRICA potm;
269 DWORD len = GetOutlineTextMetricsA(dev->hdc, 0, NULL);
275 assert(physDev->font.fontloc == Download);
277 if (!GetObjectW( GetCurrentObject(dev->hdc, OBJ_FONT), sizeof(lf), &lf ))
280 potm = HeapAlloc(GetProcessHeap(), 0, len);
284 GetOutlineTextMetricsA(dev->hdc, len, potm);
286 get_download_name(dev, potm, &ps_name);
287 physDev->font.fontinfo.Download = is_font_downloaded(physDev, ps_name);
289 ppem = calc_ppem_for_height(dev->hdc, lf.lfHeight);
291 /* Retrieve the world -> device transform */
292 GetTransform(dev->hdc, 0x204, &xform);
294 if(GetGraphicsMode(dev->hdc) == GM_COMPATIBLE)
296 if (xform.eM22 < 0) physDev->font.escapement = -physDev->font.escapement;
297 xform.eM11 = xform.eM22 = fabs(xform.eM22);
298 xform.eM21 = xform.eM12 = 0;
301 physDev->font.size.xx = ps_round(ppem * xform.eM11);
302 physDev->font.size.xy = ps_round(ppem * xform.eM12);
303 physDev->font.size.yx = -ps_round(ppem * xform.eM21);
304 physDev->font.size.yy = -ps_round(ppem * xform.eM22);
306 physDev->font.underlineThickness = potm->otmsUnderscoreSize;
307 physDev->font.underlinePosition = potm->otmsUnderscorePosition;
308 physDev->font.strikeoutThickness = potm->otmsStrikeoutSize;
309 physDev->font.strikeoutPosition = potm->otmsStrikeoutPosition;
311 if(physDev->font.fontinfo.Download == NULL) {
315 if (!get_bbox(dev->hdc, &bbox, &emsize)) {
316 HeapFree(GetProcessHeap(), 0, ps_name);
317 HeapFree(GetProcessHeap(), 0, potm);
320 if(!is_room_for_font(physDev))
321 PSDRV_EmptyDownloadList(dev, TRUE);
323 pdl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdl));
324 pdl->ps_name = HeapAlloc(GetProcessHeap(), 0, strlen(ps_name)+1);
325 strcpy(pdl->ps_name, ps_name);
328 if(physDev->pi->ppd->TTRasterizer == RO_Type42) {
329 pdl->typeinfo.Type42 = T42_download_header(dev, ps_name, &bbox, emsize);
332 if(pdl->typeinfo.Type42 == NULL) {
333 pdl->typeinfo.Type1 = T1_download_header(dev, ps_name, &bbox, emsize);
336 pdl->next = physDev->downloaded_fonts;
337 physDev->downloaded_fonts = pdl;
338 physDev->font.fontinfo.Download = pdl;
340 if(pdl->type == Type42) {
341 char g_name[MAX_G_NAME + 1];
342 get_glyph_name(dev->hdc, 0, g_name);
343 T42_download_glyph(dev, pdl, 0, g_name);
348 PSDRV_WriteSetFont(dev, ps_name, physDev->font.size, physDev->font.escapement,
349 is_fake_italic( dev->hdc ));
351 HeapFree(GetProcessHeap(), 0, ps_name);
352 HeapFree(GetProcessHeap(), 0, potm);
356 void get_glyph_name(HDC hdc, WORD index, char *name)
359 sprintf(name, "g%04x", index);
363 /****************************************************************************
364 * PSDRV_WriteDownloadGlyphShow
366 * Download and write out a number of glyphs
369 BOOL PSDRV_WriteDownloadGlyphShow(PHYSDEV dev, const WORD *glyphs,
372 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
374 char g_name[MAX_G_NAME + 1];
375 assert(physDev->font.fontloc == Download);
377 switch(physDev->font.fontinfo.Download->type) {
379 for(i = 0; i < count; i++) {
380 get_glyph_name(dev->hdc, glyphs[i], g_name);
381 T42_download_glyph(dev, physDev->font.fontinfo.Download, glyphs[i], g_name);
382 PSDRV_WriteGlyphShow(dev, g_name);
387 for(i = 0; i < count; i++) {
388 get_glyph_name(dev->hdc, glyphs[i], g_name);
389 T1_download_glyph(dev, physDev->font.fontinfo.Download, glyphs[i], g_name);
390 PSDRV_WriteGlyphShow(dev, g_name);
395 ERR("Type = %d\n", physDev->font.fontinfo.Download->type);
401 /****************************************************************************
402 * PSDRV_EmptyDownloadList
404 * Clear the list of downloaded fonts
407 BOOL PSDRV_EmptyDownloadList(PHYSDEV dev, BOOL write_undef)
409 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
411 static const char undef[] = "/%s findfont 40 scalefont setfont /%s undefinefont\n";
412 char buf[sizeof(undef) + 200];
413 const char *default_font = physDev->pi->ppd->DefaultFont ?
414 physDev->pi->ppd->DefaultFont : "Courier";
416 if(physDev->font.fontloc == Download) {
417 physDev->font.set = FALSE;
418 physDev->font.fontinfo.Download = NULL;
421 pdl = physDev->downloaded_fonts;
422 physDev->downloaded_fonts = NULL;
425 sprintf(buf, undef, default_font, pdl->ps_name);
426 PSDRV_WriteSpool(dev, buf, strlen(buf));
431 T42_free(pdl->typeinfo.Type42);
435 T1_free(pdl->typeinfo.Type1);
439 ERR("Type = %d\n", pdl->type);
443 HeapFree(GetProcessHeap(), 0, pdl->ps_name);
446 HeapFree(GetProcessHeap(), 0, old);