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