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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
34 #include "wine/debug.h"
36 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
38 #define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
39 ( ( (DWORD)_x4 << 24 ) | \
40 ( (DWORD)_x3 << 16 ) | \
41 ( (DWORD)_x2 << 8 ) | \
44 #define GET_BE_WORD(ptr) MAKEWORD( ((BYTE *)(ptr))[1], ((BYTE *)(ptr))[0] )
45 #define GET_BE_DWORD(ptr) ((DWORD)MAKELONG( GET_BE_WORD(&((WORD *)(ptr))[1]), \
46 GET_BE_WORD(&((WORD *)(ptr))[0]) ))
48 /****************************************************************************
51 static void get_download_name(PSDRV_PDEVICE *physDev, LPOUTLINETEXTMETRICA
56 len = strlen((char*)potm + (ptrdiff_t)potm->otmpFullName) + 1;
57 *str = HeapAlloc(GetProcessHeap(),0,len);
58 strcpy(*str, (char*)potm + (ptrdiff_t)potm->otmpFullName);
61 while((p = strchr(p, ' ')))
67 /****************************************************************************
70 static DOWNLOAD *is_font_downloaded(PSDRV_PDEVICE *physDev, char *ps_name)
74 for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
75 if(!strcmp(pdl->ps_name, ps_name))
80 /****************************************************************************
83 static BOOL is_room_for_font(PSDRV_PDEVICE *physDev)
88 /* FIXME: should consider vm usage of each font and available printer memory.
89 For now we allow upto two fonts to be downloaded at a time */
90 for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
98 /****************************************************************************
101 * This retrieves the bounding box of the font in font units as well as
102 * the size of the emsquare. To avoid having to worry about mapping mode and
103 * the font size we'll get the data directly from the TrueType HEAD table rather
104 * than using GetOutlineTextMetrics.
106 static BOOL get_bbox(PSDRV_PDEVICE *physDev, RECT *rc, UINT *emsize)
108 BYTE head[54]; /* the head table is 54 bytes long */
110 if(GetFontData(physDev->hdc, MS_MAKE_TAG('h','e','a','d'), 0, head,
111 sizeof(head)) == GDI_ERROR) {
112 ERR("Can't retrieve head table\n");
115 *emsize = GET_BE_WORD(head + 18); /* unitsPerEm */
116 rc->left = (signed short)GET_BE_WORD(head + 36); /* xMin */
117 rc->bottom = (signed short)GET_BE_WORD(head + 38); /* yMin */
118 rc->right = (signed short)GET_BE_WORD(head + 40); /* xMax */
119 rc->top = (signed short)GET_BE_WORD(head + 42); /* yMax */
123 /****************************************************************************
124 * PSDRV_SelectDownloadFont
126 * Set up physDev->font for a downloadable font
129 BOOL PSDRV_SelectDownloadFont(PSDRV_PDEVICE *physDev)
132 LPOUTLINETEXTMETRICA potm;
133 DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
135 potm = HeapAlloc(GetProcessHeap(), 0, len);
136 GetOutlineTextMetricsA(physDev->hdc, len, potm);
137 get_download_name(physDev, potm, &ps_name);
139 physDev->font.fontloc = Download;
140 physDev->font.fontinfo.Download = is_font_downloaded(physDev, ps_name);
142 physDev->font.size = INTERNAL_YWSTODS(physDev->dc, /* ppem */
143 potm->otmTextMetrics.tmAscent +
144 potm->otmTextMetrics.tmDescent -
145 potm->otmTextMetrics.tmInternalLeading);
146 physDev->font.underlineThickness = potm->otmsUnderscoreSize;
147 physDev->font.underlinePosition = potm->otmsUnderscorePosition;
148 physDev->font.strikeoutThickness = potm->otmsStrikeoutSize;
149 physDev->font.strikeoutPosition = potm->otmsStrikeoutPosition;
151 HeapFree(GetProcessHeap(), 0, ps_name);
152 HeapFree(GetProcessHeap(), 0, potm);
156 /****************************************************************************
157 * PSDRV_WriteSetDownloadFont
159 * Write setfont for download font.
162 BOOL PSDRV_WriteSetDownloadFont(PSDRV_PDEVICE *physDev)
165 LPOUTLINETEXTMETRICA potm;
166 DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
169 assert(physDev->font.fontloc == Download);
171 potm = HeapAlloc(GetProcessHeap(), 0, len);
172 GetOutlineTextMetricsA(physDev->hdc, len, potm);
174 get_download_name(physDev, potm, &ps_name);
176 if(physDev->font.fontinfo.Download == NULL) {
180 pdl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdl));
181 pdl->ps_name = HeapAlloc(GetProcessHeap(), 0, strlen(ps_name)+1);
182 strcpy(pdl->ps_name, ps_name);
185 get_bbox(physDev, &bbox, &emsize);
186 if(!is_room_for_font(physDev))
187 PSDRV_EmptyDownloadList(physDev, TRUE);
189 if(physDev->pi->ppd->TTRasterizer == RO_Type42) {
190 pdl->typeinfo.Type42 = T42_download_header(physDev, ps_name, &bbox, emsize);
193 if(pdl->typeinfo.Type42 == NULL) {
194 pdl->typeinfo.Type1 = T1_download_header(physDev, ps_name, &bbox, emsize);
197 pdl->next = physDev->downloaded_fonts;
198 physDev->downloaded_fonts = pdl;
199 physDev->font.fontinfo.Download = pdl;
201 if(pdl->type == Type42) {
202 char g_name[MAX_G_NAME + 1];
203 get_glyph_name(physDev->hdc, 0, g_name);
204 T42_download_glyph(physDev, pdl, 0, g_name);
209 PSDRV_WriteSetFont(physDev, ps_name, physDev->font.size,
210 physDev->font.escapement);
212 HeapFree(GetProcessHeap(), 0, ps_name);
213 HeapFree(GetProcessHeap(), 0, potm);
217 void get_glyph_name(HDC hdc, WORD index, char *name)
220 sprintf(name, "g%04x", index);
224 /****************************************************************************
225 * PSDRV_WriteDownloadGlyphShow
227 * Download and write out a number of glyphs
230 BOOL PSDRV_WriteDownloadGlyphShow(PSDRV_PDEVICE *physDev, WORD *glyphs,
234 char g_name[MAX_G_NAME + 1];
235 assert(physDev->font.fontloc == Download);
237 switch(physDev->font.fontinfo.Download->type) {
239 for(i = 0; i < count; i++) {
240 get_glyph_name(physDev->hdc, glyphs[i], g_name);
241 T42_download_glyph(physDev, physDev->font.fontinfo.Download,
243 PSDRV_WriteGlyphShow(physDev, g_name);
248 for(i = 0; i < count; i++) {
249 get_glyph_name(physDev->hdc, glyphs[i], g_name);
250 T1_download_glyph(physDev, physDev->font.fontinfo.Download,
252 PSDRV_WriteGlyphShow(physDev, g_name);
257 ERR("Type = %d\n", physDev->font.fontinfo.Download->type);
263 /****************************************************************************
264 * PSDRV_EmptyDownloadList
266 * Clear the list of downloaded fonts
269 BOOL PSDRV_EmptyDownloadList(PSDRV_PDEVICE *physDev, BOOL write_undef)
272 char undef[] = "/%s findfont 40 scalefont setfont /%s undefinefont\n";
273 char buf[sizeof(undef) + 200];
274 char *default_font = physDev->pi->ppd->DefaultFont ?
275 physDev->pi->ppd->DefaultFont : "Courier";
277 if(physDev->font.fontloc == Download) {
278 physDev->font.set = FALSE;
279 physDev->font.fontinfo.Download = NULL;
282 pdl = physDev->downloaded_fonts;
283 physDev->downloaded_fonts = NULL;
286 sprintf(buf, undef, default_font, pdl->ps_name);
287 PSDRV_WriteSpool(physDev, buf, strlen(buf));
292 T42_free(pdl->typeinfo.Type42);
296 T1_free(pdl->typeinfo.Type1);
300 ERR("Type = %d\n", pdl->type);
304 HeapFree(GetProcessHeap(), 0, pdl->ps_name);
307 HeapFree(GetProcessHeap(), 0, old);