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 BOOL WINAPI GetTransform( HDC hdc, DWORD which, XFORM *xform );
39 #define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
40 ( ( (DWORD)_x4 << 24 ) | \
41 ( (DWORD)_x3 << 16 ) | \
42 ( (DWORD)_x2 << 8 ) | \
45 #define GET_BE_WORD(ptr) MAKEWORD( ((BYTE *)(ptr))[1], ((BYTE *)(ptr))[0] )
46 #define GET_BE_DWORD(ptr) ((DWORD)MAKELONG( GET_BE_WORD(&((WORD *)(ptr))[1]), \
47 GET_BE_WORD(&((WORD *)(ptr))[0]) ))
49 /****************************************************************************
52 static void get_download_name(PHYSDEV dev, LPOUTLINETEXTMETRICA potm, char **str)
58 size = GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, NULL, 0);
59 if(size != 0 && size != GDI_ERROR)
61 BYTE *name = HeapAlloc(GetProcessHeap(), 0, size);
76 GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, name, size);
77 count = GET_BE_WORD(name + 2);
78 strings = name + GET_BE_WORD(name + 4);
79 name_record = (typeof(name_record))(name + 6);
80 for(i = 0; i < count; i++, name_record++)
82 name_record->platform_id = GET_BE_WORD(&name_record->platform_id);
83 name_record->encoding_id = GET_BE_WORD(&name_record->encoding_id);
84 name_record->language_id = GET_BE_WORD(&name_record->language_id);
85 name_record->name_id = GET_BE_WORD(&name_record->name_id);
86 name_record->length = GET_BE_WORD(&name_record->length);
87 name_record->offset = GET_BE_WORD(&name_record->offset);
89 if(name_record->platform_id == 1 && name_record->encoding_id == 0 &&
90 name_record->language_id == 0 && name_record->name_id == 6)
92 TRACE("Got Mac PS name %s\n", debugstr_an((char*)strings + name_record->offset, name_record->length));
93 *str = HeapAlloc(GetProcessHeap(), 0, name_record->length + 1);
94 memcpy(*str, strings + name_record->offset, name_record->length);
95 *(*str + name_record->length) = '\0';
96 HeapFree(GetProcessHeap(), 0, name);
99 if(name_record->platform_id == 3 && name_record->encoding_id == 1 &&
100 name_record->language_id == 0x409 && name_record->name_id == 6)
102 WCHAR *unicode = HeapAlloc(GetProcessHeap(), 0, name_record->length + 2);
106 for(c = 0; c < name_record->length / 2; c++)
107 unicode[c] = GET_BE_WORD(strings + name_record->offset + c * 2);
109 TRACE("Got Windows PS name %s\n", debugstr_w(unicode));
110 len = WideCharToMultiByte(1252, 0, unicode, -1, NULL, 0, NULL, NULL);
111 *str = HeapAlloc(GetProcessHeap(), 0, len);
112 WideCharToMultiByte(1252, 0, unicode, -1, *str, len, NULL, NULL);
113 HeapFree(GetProcessHeap(), 0, unicode);
114 HeapFree(GetProcessHeap(), 0, name);
118 TRACE("Unable to find PostScript name\n");
119 HeapFree(GetProcessHeap(), 0, name);
123 len = strlen((char*)potm + (ptrdiff_t)potm->otmpFullName) + 1;
124 *str = HeapAlloc(GetProcessHeap(),0,len);
125 strcpy(*str, (char*)potm + (ptrdiff_t)potm->otmpFullName);
128 while((p = strchr(p, ' ')))
134 /****************************************************************************
137 static DOWNLOAD *is_font_downloaded(PSDRV_PDEVICE *physDev, char *ps_name)
141 for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
142 if(!strcmp(pdl->ps_name, ps_name))
147 /****************************************************************************
150 static BOOL is_room_for_font(PSDRV_PDEVICE *physDev)
155 /* FIXME: should consider vm usage of each font and available printer memory.
156 For now we allow up to two fonts to be downloaded at a time */
157 for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
165 /****************************************************************************
168 * This retrieves the bounding box of the font in font units as well as
169 * the size of the emsquare. To avoid having to worry about mapping mode and
170 * the font size we'll get the data directly from the TrueType HEAD table rather
171 * than using GetOutlineTextMetrics.
173 static BOOL get_bbox(HDC hdc, RECT *rc, UINT *emsize)
175 BYTE head[54]; /* the head table is 54 bytes long */
177 if(GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head)) == GDI_ERROR)
179 ERR("Can't retrieve head table\n");
182 *emsize = GET_BE_WORD(head + 18); /* unitsPerEm */
185 rc->left = (signed short)GET_BE_WORD(head + 36); /* xMin */
186 rc->bottom = (signed short)GET_BE_WORD(head + 38); /* yMin */
187 rc->right = (signed short)GET_BE_WORD(head + 40); /* xMax */
188 rc->top = (signed short)GET_BE_WORD(head + 42); /* yMax */
193 /****************************************************************************
194 * PSDRV_SelectDownloadFont
196 * Set up physDev->font for a downloadable font
199 BOOL PSDRV_SelectDownloadFont(PHYSDEV dev)
201 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
203 physDev->font.fontloc = Download;
204 physDev->font.fontinfo.Download = NULL;
209 static UINT calc_ppem_for_height(HDC hdc, LONG height)
211 BYTE os2[78]; /* size of version 0 table */
212 BYTE hhea[8]; /* just enough to get the ascender and descender */
213 LONG ascent = 0, descent = 0;
216 if(height < 0) return -height;
218 if(GetFontData(hdc, MS_MAKE_TAG('O','S','/','2'), 0, os2, sizeof(os2)) == sizeof(os2))
220 ascent = GET_BE_WORD(os2 + 74); /* usWinAscent */
221 descent = GET_BE_WORD(os2 + 76); /* usWinDescent */
224 if(ascent + descent == 0)
226 if(GetFontData(hdc, MS_MAKE_TAG('h','h','e','a'), 0, hhea, sizeof(hhea)) == sizeof(hhea))
228 ascent = (signed short)GET_BE_WORD(hhea + 4); /* Ascender */
229 descent = -(signed short)GET_BE_WORD(hhea + 6); /* Descender */
233 if(ascent + descent == 0) return height;
235 get_bbox(hdc, NULL, &emsize);
237 return MulDiv(emsize, height, ascent + descent);
240 static inline float ps_round(float f)
242 return (f > 0) ? (f + 0.5) : (f - 0.5);
244 /****************************************************************************
245 * PSDRV_WriteSetDownloadFont
247 * Write setfont for download font.
250 BOOL PSDRV_WriteSetDownloadFont(PHYSDEV dev)
252 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
254 LPOUTLINETEXTMETRICA potm;
255 DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
261 assert(physDev->font.fontloc == Download);
263 potm = HeapAlloc(GetProcessHeap(), 0, len);
264 GetOutlineTextMetricsA(physDev->hdc, len, potm);
266 get_download_name(dev, potm, &ps_name);
267 physDev->font.fontinfo.Download = is_font_downloaded(physDev, ps_name);
269 if (!GetObjectW( GetCurrentObject(physDev->hdc, OBJ_FONT), sizeof(lf), &lf ))
272 ppem = calc_ppem_for_height(physDev->hdc, lf.lfHeight);
274 /* Retrieve the world -> device transform */
275 GetTransform(physDev->hdc, 0x204, &xform);
277 if(GetGraphicsMode(physDev->hdc) == GM_COMPATIBLE)
279 xform.eM11 = xform.eM22 = fabs(xform.eM22);
280 xform.eM21 = xform.eM12 = 0;
283 physDev->font.size.xx = ps_round(ppem * xform.eM11);
284 physDev->font.size.xy = ps_round(ppem * xform.eM12);
285 physDev->font.size.yx = -ps_round(ppem * xform.eM21);
286 physDev->font.size.yy = -ps_round(ppem * xform.eM22);
288 physDev->font.underlineThickness = potm->otmsUnderscoreSize;
289 physDev->font.underlinePosition = potm->otmsUnderscorePosition;
290 physDev->font.strikeoutThickness = potm->otmsStrikeoutSize;
291 physDev->font.strikeoutPosition = potm->otmsStrikeoutPosition;
293 if(physDev->font.fontinfo.Download == NULL) {
297 if (!get_bbox(physDev->hdc, &bbox, &emsize)) {
298 HeapFree(GetProcessHeap(), 0, potm);
301 if(!is_room_for_font(physDev))
302 PSDRV_EmptyDownloadList(dev, TRUE);
304 pdl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdl));
305 pdl->ps_name = HeapAlloc(GetProcessHeap(), 0, strlen(ps_name)+1);
306 strcpy(pdl->ps_name, ps_name);
309 if(physDev->pi->ppd->TTRasterizer == RO_Type42) {
310 pdl->typeinfo.Type42 = T42_download_header(dev, ps_name, &bbox, emsize);
313 if(pdl->typeinfo.Type42 == NULL) {
314 pdl->typeinfo.Type1 = T1_download_header(dev, ps_name, &bbox, emsize);
317 pdl->next = physDev->downloaded_fonts;
318 physDev->downloaded_fonts = pdl;
319 physDev->font.fontinfo.Download = pdl;
321 if(pdl->type == Type42) {
322 char g_name[MAX_G_NAME + 1];
323 get_glyph_name(physDev->hdc, 0, g_name);
324 T42_download_glyph(dev, pdl, 0, g_name);
329 PSDRV_WriteSetFont(dev, ps_name, physDev->font.size, physDev->font.escapement);
331 HeapFree(GetProcessHeap(), 0, ps_name);
332 HeapFree(GetProcessHeap(), 0, potm);
336 void get_glyph_name(HDC hdc, WORD index, char *name)
339 sprintf(name, "g%04x", index);
343 /****************************************************************************
344 * PSDRV_WriteDownloadGlyphShow
346 * Download and write out a number of glyphs
349 BOOL PSDRV_WriteDownloadGlyphShow(PHYSDEV dev, WORD *glyphs,
352 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
354 char g_name[MAX_G_NAME + 1];
355 assert(physDev->font.fontloc == Download);
357 switch(physDev->font.fontinfo.Download->type) {
359 for(i = 0; i < count; i++) {
360 get_glyph_name(physDev->hdc, glyphs[i], g_name);
361 T42_download_glyph(dev, physDev->font.fontinfo.Download, glyphs[i], g_name);
362 PSDRV_WriteGlyphShow(dev, g_name);
367 for(i = 0; i < count; i++) {
368 get_glyph_name(physDev->hdc, glyphs[i], g_name);
369 T1_download_glyph(dev, physDev->font.fontinfo.Download, glyphs[i], g_name);
370 PSDRV_WriteGlyphShow(dev, g_name);
375 ERR("Type = %d\n", physDev->font.fontinfo.Download->type);
381 /****************************************************************************
382 * PSDRV_EmptyDownloadList
384 * Clear the list of downloaded fonts
387 BOOL PSDRV_EmptyDownloadList(PHYSDEV dev, BOOL write_undef)
389 PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
391 static const char undef[] = "/%s findfont 40 scalefont setfont /%s undefinefont\n";
392 char buf[sizeof(undef) + 200];
393 const char *default_font = physDev->pi->ppd->DefaultFont ?
394 physDev->pi->ppd->DefaultFont : "Courier";
396 if(physDev->font.fontloc == Download) {
397 physDev->font.set = FALSE;
398 physDev->font.fontinfo.Download = NULL;
401 pdl = physDev->downloaded_fonts;
402 physDev->downloaded_fonts = NULL;
405 sprintf(buf, undef, default_font, pdl->ps_name);
406 PSDRV_WriteSpool(dev, buf, strlen(buf));
411 T42_free(pdl->typeinfo.Type42);
415 T1_free(pdl->typeinfo.Type1);
419 ERR("Type = %d\n", pdl->type);
423 HeapFree(GetProcessHeap(), 0, pdl->ps_name);
426 HeapFree(GetProcessHeap(), 0, old);