dlls/wineps/download.c

   1 /*
   2  *      PostScript driver downloadable font functions
   3  *
   4  *      Copyright 2002  Huw D M Davies for CodeWeavers
   5  *
   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.
  10  *
  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.
  15  *
  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
  19  */
  20 #include <string.h>
  21 #include <stdlib.h>
  22 #include <assert.h>
  23 #include <stdarg.h>
  24 #include <stdio.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winerror.h"
  29 #include "wingdi.h"
  30 #include "winspool.h"
  31
  32 #include "gdi.h"
  33 #include "psdrv.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
  37
  38
  39 /****************************************************************************
  40  *  get_download_name
  41  */
  42 static void get_download_name(PSDRV_PDEVICE *physDev, LPOUTLINETEXTMETRICA
  43                               potm, char **str)
  44 {
  45     int len;
  46     char *p;
  47     len = strlen((char*)potm + (ptrdiff_t)potm->otmpFullName) + 1;
  48     *str = HeapAlloc(GetProcessHeap(),0,len);
  49     strcpy(*str, (char*)potm + (ptrdiff_t)potm->otmpFullName);
  50
  51     p = *str;
  52     while((p = strchr(p, ' ')))
  53         *p = '_';
  54
  55     return;
  56 }
  57
  58 /****************************************************************************
  59  *  is_font_downloaded
  60  */
  61 static DOWNLOAD *is_font_downloaded(PSDRV_PDEVICE *physDev, char *ps_name)
  62 {
  63     DOWNLOAD *pdl;
  64
  65     for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
  66         if(!strcmp(pdl->ps_name, ps_name))
  67             break;
  68     return pdl;
  69 }
  70
  71 /****************************************************************************
  72  *  is_room_for_font
  73  */
  74 static BOOL is_room_for_font(PSDRV_PDEVICE *physDev)
  75 {
  76     DOWNLOAD *pdl;
  77     int count = 0;
  78
  79     /* FIXME: should consider vm usage of each font and available printer memory.
  80        For now we allow upto two fonts to be downloaded at a time */
  81     for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
  82         count++;
  83
  84     if(count > 1)
  85         return FALSE;
  86     return TRUE;
  87 }
  88
  89 /****************************************************************************
  90  *  PSDRV_SelectDownloadFont
  91  *
  92  *  Set up physDev->font for a downloadable font
  93  *
  94  */
  95 BOOL PSDRV_SelectDownloadFont(PSDRV_PDEVICE *physDev)
  96 {
  97     char *ps_name;
  98     LPOUTLINETEXTMETRICA potm;
  99     DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
 100
 101     potm = HeapAlloc(GetProcessHeap(), 0, len);
 102     GetOutlineTextMetricsA(physDev->hdc, len, potm);
 103     get_download_name(physDev, potm, &ps_name);
 104
 105     physDev->font.fontloc = Download;
 106     physDev->font.fontinfo.Download = is_font_downloaded(physDev, ps_name);
 107
 108     physDev->font.size = INTERNAL_YWSTODS(physDev->dc, /* ppem */
 109                                           potm->otmTextMetrics.tmAscent +
 110                                           potm->otmTextMetrics.tmDescent -
 111                                           potm->otmTextMetrics.tmInternalLeading);
 112     physDev->font.underlineThickness = potm->otmsUnderscoreSize;
 113     physDev->font.underlinePosition = potm->otmsUnderscorePosition;
 114     physDev->font.strikeoutThickness = potm->otmsStrikeoutSize;
 115     physDev->font.strikeoutPosition = potm->otmsStrikeoutPosition;
 116
 117     HeapFree(GetProcessHeap(), 0, ps_name);
 118     HeapFree(GetProcessHeap(), 0, potm);
 119     return TRUE;
 120 }
 121
 122 /****************************************************************************
 123  *  PSDRV_WriteSetDownloadFont
 124  *
 125  *  Write setfont for download font.
 126  *
 127  */
 128 BOOL PSDRV_WriteSetDownloadFont(PSDRV_PDEVICE *physDev)
 129 {
 130     char *ps_name;
 131     LPOUTLINETEXTMETRICA potm;
 132     DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
 133     DOWNLOAD *pdl;
 134
 135     assert(physDev->font.fontloc == Download);
 136
 137     potm = HeapAlloc(GetProcessHeap(), 0, len);
 138     GetOutlineTextMetricsA(physDev->hdc, len, potm);
 139
 140     get_download_name(physDev, potm, &ps_name);
 141
 142     if(physDev->font.fontinfo.Download == NULL) {
 143         pdl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdl));
 144         pdl->ps_name = HeapAlloc(GetProcessHeap(), 0, strlen(ps_name)+1);
 145         strcpy(pdl->ps_name, ps_name);
 146         pdl->next = NULL;
 147
 148         if(!is_room_for_font(physDev))
 149             PSDRV_EmptyDownloadList(physDev, TRUE);
 150
 151         if(physDev->pi->ppd->TTRasterizer == RO_Type42) {
 152             pdl->typeinfo.Type42 = T42_download_header(physDev, potm,
 153                                                        ps_name);
 154             pdl->type = Type42;
 155         }
 156         if(pdl->typeinfo.Type42 == NULL) {
 157             pdl->typeinfo.Type1 = T1_download_header(physDev, potm, ps_name);
 158             pdl->type = Type1;
 159         }
 160         pdl->next = physDev->downloaded_fonts;
 161         physDev->downloaded_fonts = pdl;
 162         physDev->font.fontinfo.Download = pdl;
 163
 164         if(pdl->type == Type42) {
 165             char g_name[MAX_G_NAME + 1];
 166             get_glyph_name(physDev->hdc, 0, g_name);
 167             T42_download_glyph(physDev, pdl, 0, g_name);
 168         }
 169     }
 170
 171
 172     PSDRV_WriteSetFont(physDev, ps_name, physDev->font.size,
 173                        physDev->font.escapement);
 174
 175     HeapFree(GetProcessHeap(), 0, ps_name);
 176     HeapFree(GetProcessHeap(), 0, potm);
 177     return TRUE;
 178 }
 179
 180 void get_glyph_name(HDC hdc, WORD index, char *name)
 181 {
 182   /* FIXME */
 183     sprintf(name, "g%04x", index);
 184     return;
 185 }
 186
 187 /****************************************************************************
 188  *  PSDRV_WriteDownloadGlyphShow
 189  *
 190  *  Download and write out a number of glyphs
 191  *
 192  */
 193 BOOL PSDRV_WriteDownloadGlyphShow(PSDRV_PDEVICE *physDev, WORD *glyphs,
 194                                   UINT count)
 195 {
 196     UINT i;
 197     char g_name[MAX_G_NAME + 1];
 198     assert(physDev->font.fontloc == Download);
 199
 200     switch(physDev->font.fontinfo.Download->type) {
 201     case Type42:
 202     for(i = 0; i < count; i++) {
 203         get_glyph_name(physDev->hdc, glyphs[i], g_name);
 204         T42_download_glyph(physDev, physDev->font.fontinfo.Download,
 205                            glyphs[i], g_name);
 206         PSDRV_WriteGlyphShow(physDev, g_name);
 207     }
 208     break;
 209
 210     case Type1:
 211     for(i = 0; i < count; i++) {
 212         get_glyph_name(physDev->hdc, glyphs[i], g_name);
 213         T1_download_glyph(physDev, physDev->font.fontinfo.Download,
 214                           glyphs[i], g_name);
 215         PSDRV_WriteGlyphShow(physDev, g_name);
 216     }
 217     break;
 218
 219     default:
 220         ERR("Type = %d\n", physDev->font.fontinfo.Download->type);
 221         assert(0);
 222     }
 223     return TRUE;
 224 }
 225
 226 /****************************************************************************
 227  *  PSDRV_EmptyDownloadList
 228  *
 229  *  Clear the list of downloaded fonts
 230  *
 231  */
 232 BOOL PSDRV_EmptyDownloadList(PSDRV_PDEVICE *physDev, BOOL write_undef)
 233 {
 234     DOWNLOAD *pdl, *old;
 235     char undef[] = "/%s findfont 40 scalefont setfont /%s undefinefont\n";
 236     char buf[sizeof(undef) + 200];
 237     char *default_font = physDev->pi->ppd->DefaultFont ?
 238         physDev->pi->ppd->DefaultFont : "Courier";
 239
 240     if(physDev->font.fontloc == Download) {
 241         physDev->font.set = FALSE;
 242         physDev->font.fontinfo.Download = NULL;
 243     }
 244
 245     pdl = physDev->downloaded_fonts;
 246     physDev->downloaded_fonts = NULL;
 247     while(pdl) {
 248         if(write_undef) {
 249             sprintf(buf, undef, default_font, pdl->ps_name);
 250             PSDRV_WriteSpool(physDev, buf, strlen(buf));
 251         }
 252
 253         switch(pdl->type) {
 254         case Type42:
 255             T42_free(pdl->typeinfo.Type42);
 256             break;
 257
 258         case Type1:
 259             T1_free(pdl->typeinfo.Type1);
 260             break;
 261
 262         default:
 263             ERR("Type = %d\n", pdl->type);
 264             assert(0);
 265         }
 266
 267         HeapFree(GetProcessHeap(), 0, pdl->ps_name);
 268         old = pdl;
 269         pdl = pdl->next;
 270         HeapFree(GetProcessHeap(), 0, old);
 271     }
 272     return TRUE;
 273 }