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  *  PSDRV_SelectDownloadFont
  71  *
  72  *  Set up physDev->font for a downloadable font
  73  *
  74  */
  75 BOOL PSDRV_SelectDownloadFont(PSDRV_PDEVICE *physDev)
  76 {
  77     char *ps_name;
  78     LPOUTLINETEXTMETRICA potm;
  79     DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
  80
  81     potm = HeapAlloc(GetProcessHeap(), 0, len);
  82     GetOutlineTextMetricsA(physDev->hdc, len, potm);
  83     get_download_name(physDev, potm, &ps_name);
  84
  85     physDev->font.fontloc = Download;
  86     physDev->font.fontinfo.Download = is_font_downloaded(physDev, ps_name);
  87
  88     physDev->font.size = INTERNAL_YWSTODS(physDev->dc, /* ppem */
  89                                           potm->otmTextMetrics.tmAscent +
  90                                           potm->otmTextMetrics.tmDescent -
  91                                           potm->otmTextMetrics.tmInternalLeading);
  92     physDev->font.underlineThickness = potm->otmsUnderscoreSize;
  93     physDev->font.underlinePosition = potm->otmsUnderscorePosition;
  94     physDev->font.strikeoutThickness = potm->otmsStrikeoutSize;
  95     physDev->font.strikeoutPosition = potm->otmsStrikeoutPosition;
  96
  97     HeapFree(GetProcessHeap(), 0, ps_name);
  98     HeapFree(GetProcessHeap(), 0, potm);
  99     return TRUE;
 100 }
 101
 102 /****************************************************************************
 103  *  PSDRV_WriteSetDownloadFont
 104  *
 105  *  Write setfont for download font.
 106  *
 107  */
 108 BOOL PSDRV_WriteSetDownloadFont(PSDRV_PDEVICE *physDev)
 109 {
 110     char *ps_name;
 111     LPOUTLINETEXTMETRICA potm;
 112     DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
 113     DOWNLOAD *pdl;
 114
 115     assert(physDev->font.fontloc == Download);
 116
 117     potm = HeapAlloc(GetProcessHeap(), 0, len);
 118     GetOutlineTextMetricsA(physDev->hdc, len, potm);
 119
 120     get_download_name(physDev, potm, &ps_name);
 121
 122     if(physDev->font.fontinfo.Download == NULL) {
 123         pdl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdl));
 124         pdl->ps_name = HeapAlloc(GetProcessHeap(), 0, strlen(ps_name)+1);
 125         strcpy(pdl->ps_name, ps_name);
 126         pdl->next = NULL;
 127
 128         if(physDev->pi->ppd->TTRasterizer == RO_Type42) {
 129             pdl->typeinfo.Type42 = T42_download_header(physDev, potm,
 130                                                        ps_name);
 131             pdl->type = Type42;
 132         }
 133         if(pdl->typeinfo.Type42 == NULL) {
 134             pdl->typeinfo.Type1 = T1_download_header(physDev, potm, ps_name);
 135             pdl->type = Type1;
 136         }
 137         pdl->next = physDev->downloaded_fonts;
 138         physDev->downloaded_fonts = pdl;
 139         physDev->font.fontinfo.Download = pdl;
 140     }
 141
 142
 143     PSDRV_WriteSetFont(physDev, ps_name, physDev->font.size,
 144                        physDev->font.escapement);
 145
 146     HeapFree(GetProcessHeap(), 0, ps_name);
 147     HeapFree(GetProcessHeap(), 0, potm);
 148     return TRUE;
 149 }
 150
 151 void get_glyph_name(HDC hdc, WORD index, char *name)
 152 {
 153   /* FIXME */
 154     sprintf(name, "g%04x", index);
 155     return;
 156 }
 157
 158 /****************************************************************************
 159  *  PSDRV_WriteDownloadGlyphShow
 160  *
 161  *  Download and write out a number of glyphs
 162  *
 163  */
 164 BOOL PSDRV_WriteDownloadGlyphShow(PSDRV_PDEVICE *physDev, WORD *glyphs,
 165                                   UINT count)
 166 {
 167     UINT i;
 168     char g_name[MAX_G_NAME + 1];
 169     assert(physDev->font.fontloc == Download);
 170
 171     switch(physDev->font.fontinfo.Download->type) {
 172     case Type42:
 173     for(i = 0; i < count; i++) {
 174         get_glyph_name(physDev->hdc, glyphs[i], g_name);
 175         T42_download_glyph(physDev, physDev->font.fontinfo.Download,
 176                            glyphs[i], g_name);
 177         PSDRV_WriteGlyphShow(physDev, g_name);
 178     }
 179     break;
 180
 181     case Type1:
 182     for(i = 0; i < count; i++) {
 183         get_glyph_name(physDev->hdc, glyphs[i], g_name);
 184         T1_download_glyph(physDev, physDev->font.fontinfo.Download,
 185                           glyphs[i], g_name);
 186         PSDRV_WriteGlyphShow(physDev, g_name);
 187     }
 188     break;
 189
 190     default:
 191         ERR("Type = %d\n", physDev->font.fontinfo.Download->type);
 192         assert(0);
 193     }
 194     return TRUE;
 195 }
 196
 197 /****************************************************************************
 198  *  PSDRV_EmptyDownloadList
 199  *
 200  *  Clear the list of downloaded fonts
 201  *
 202  */
 203 BOOL PSDRV_EmptyDownloadList(PSDRV_PDEVICE *physDev)
 204 {
 205     DOWNLOAD *pdl, *old;
 206     if(physDev->font.fontloc == Download) {
 207         physDev->font.set = FALSE;
 208         physDev->font.fontinfo.Download = NULL;
 209     }
 210
 211     pdl = physDev->downloaded_fonts;
 212     physDev->downloaded_fonts = NULL;
 213     while(pdl) {
 214         switch(pdl->type) {
 215         case Type42:
 216             T42_free(pdl->typeinfo.Type42);
 217             break;
 218
 219         case Type1:
 220             T1_free(pdl->typeinfo.Type1);
 221             break;
 222
 223         default:
 224             ERR("Type = %d\n", pdl->type);
 225             assert(0);
 226         }
 227
 228         HeapFree(GetProcessHeap(), 0, pdl->ps_name);
 229         old = pdl;
 230         pdl = pdl->next;
 231         HeapFree(GetProcessHeap(), 0, old);
 232     }
 233     return TRUE;
 234 }