dlls/wineps.drv/afm2c.c

   1 /*******************************************************************************
   2  *
   3  *  Function to write WINEPS AFM data structures as C
   4  *
   5  *  Copyright 2001 Ian Pilcher
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  *
  21  * NOTES:
  22  *
  23  *  PSDRV_AFM2C(AFM *afm) writes the AFM data structure addressed by afm (and
  24  *  its subsidiary objects) as a C file which can which can then be built in to
  25  *  the driver.  It creates the file in the current directory with a name of
  26  *  the form {FontName}.c, where {FontName} is the PostScript font name with
  27  *  hyphens replaced by underscores.
  28  *
  29  *  To use this function, do the following:
  30  *
  31  *      *  Edit dlls/wineps/Makefile (or dlls/wineps/Makefile.in) and add
  32  *         afm2c.c as a source file.
  33  *
  34  *      *  Edit dlls/wineps/afm.c and uncomment the call to PSDRV_AFM2C in
  35  *         PSDRV_DumpFontList() (or wherever it gets moved).  The resulting
  36  *         compiler warning can be safely ignored.
  37  *
  38  *  IMPORTANT:  For this to work, all glyph names in the AFM data being
  39  *      written *MUST* already be present in PSDRV_AGLGlyphNames in agl.c.
  40  *      See mkagl.c in this directory for information on how to generate
  41  *      updated glyph name information.  Note, however, that if the glyph
  42  *      name information in agl.c is regenerated, *ALL* AFM data must also
  43  *      be recreated.
  44  *
  45  */
  46
  47 #include <string.h>
  48 #include <stdio.h>
  49 #include <math.h>
  50
  51 #include "wine/debug.h"
  52 #include "psdrv.h"
  53
  54 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
  55
  56 static inline void cursorto(FILE *of, int np, int cp)
  57 {
  58     int ntp = np & 0xfffffff8;
  59     int ctp = cp & 0xfffffff8;
  60
  61     while (ctp < ntp)
  62     {
  63         fputc('\t', of);
  64         ctp += 8;
  65         cp = ctp;
  66     }
  67
  68     while (cp < np)
  69     {
  70         fputc(' ', of);
  71         ++cp;
  72     }
  73 }
  74
  75 static void writeHeader(FILE *of, const AFM *afm, const char *buffer)
  76 {
  77     int i;
  78
  79     fputc('/', of);
  80     for (i = 1; i < 80; ++i)
  81         fputc('*', of);
  82     fprintf(of, "\n"
  83                 " *\n"
  84                 " *\tFont metric data for %s\n"
  85                 " *\n"
  86                 " *\tCopyright 2001 Ian Pilcher\n"
  87                 " *\n"
  88                 " *\n"
  89                 " *\tSee dlls/wineps/data/COPYRIGHTS for font copyright "
  90                         "information.\n"
  91                 " *\n"
  92                 " */\n"
  93                 "\n"
  94                 "#include \"psdrv.h\"\n"
  95                 "#include \"data/agl.h\"\n", afm->FullName);
  96 }
  97
  98 static void writeMetrics(FILE *of, const AFM *afm, const char *buffer)
  99 {
 100     int i;
 101
 102     fputs("\n\n/*\n *  Glyph metrics\n */\n\n", of);
 103
 104     fprintf(of, "static const AFMMETRICS metrics[%i] =\n{\n",
 105             afm->NumofMetrics);
 106
 107     for (i = 0; i < afm->NumofMetrics - 1; ++i)
 108     {
 109         fprintf(of, "    { %3i, 0x%.4lx, %4g, GN_%s },\n", afm->Metrics[i].C,
 110                 afm->Metrics[i].UV, afm->Metrics[i].WX, afm->Metrics[i].N->sz);
 111     }
 112
 113     fprintf(of, "    { %3i, 0x%.4lx, %4g, GN_%s }\n};\n", afm->Metrics[i].C,
 114             afm->Metrics[i].UV, afm->Metrics[i].WX, afm->Metrics[i].N->sz);
 115 }
 116
 117 static void writeAFM(FILE *of, const AFM *afm, const char *buffer)
 118 {
 119     fputs("\n\n/*\n *  Font metrics\n */\n\n", of);
 120
 121     fprintf(of, "const AFM PSDRV_%s =\n{\n", buffer);
 122     cursorto(of, 44, fprintf(of, "    \"%s\",", afm->FontName));
 123     fputs("/* FontName */\n", of);
 124     cursorto(of, 44, fprintf(of, "    \"%s\",", afm->FullName));
 125     fputs("/* FullName */\n", of);
 126     cursorto(of, 44, fprintf(of, "    \"%s\",", afm->FamilyName));
 127     fputs("/* FamilyName */\n", of);
 128     cursorto(of, 44, fprintf(of, "    \"%s\",", afm->EncodingScheme));
 129     fputs("/* EncodingScheme */\n", of);
 130     cursorto(of, 44, fprintf(of, "    %s,",
 131             (afm->Weight > 550) ? "FW_BOLD" : "FW_NORMAL"));
 132     fputs("/* Weight */\n", of);
 133     cursorto(of, 44, fprintf(of, "    %g,", afm->ItalicAngle));
 134     fputs("/* ItalicAngle */\n", of);
 135     cursorto(of, 44, fprintf(of, "    %s,",
 136             afm->IsFixedPitch ? "TRUE" : "FALSE"));
 137     fputs("/* IsFixedPitch */\n", of);
 138     cursorto(of, 44, fprintf(of, "    %g,", afm->UnderlinePosition));
 139     fputs("/* UnderlinePosition */\n", of);
 140     cursorto(of, 44, fprintf(of, "    %g,", afm->UnderlineThickness));
 141     fputs("/* UnderlineThickness */\n", of);
 142     cursorto(of, 44, fprintf(of, "    { %g, %g, %g, %g },", afm->FontBBox.llx,
 143             afm->FontBBox.lly, afm->FontBBox.urx, afm->FontBBox.ury));
 144     fputs("/* FontBBox */\n", of);
 145     cursorto(of, 44, fprintf(of, "    %g,", afm->Ascender));
 146     fputs("/* Ascender */\n", of);
 147     cursorto(of, 44, fprintf(of, "    %g,", afm->Descender));
 148     fputs("/* Descender */\n", of);
 149     fputs("    {\n", of);
 150     cursorto(of, 44, 7 + fprintf(of, "\t%u,",
 151             (unsigned int)(afm->WinMetrics.usUnitsPerEm)));
 152     fputs("/* WinMetrics.usUnitsPerEm */\n", of);
 153     cursorto(of, 44, 7 + fprintf(of, "\t%i,",
 154             (int)(afm->WinMetrics.sAscender)));
 155     fputs("/* WinMetrics.sAscender */\n", of);
 156     cursorto(of, 44, 7 + fprintf(of, "\t%i,",
 157             (int)(afm->WinMetrics.sDescender)));
 158     fputs("/* WinMetrics.sDescender */\n", of);
 159     cursorto(of, 44, 7 + fprintf(of, "\t%i,",
 160             (int)(afm->WinMetrics.sLineGap)));
 161     fputs("/* WinMetrics.sLineGap */\n", of);
 162     cursorto(of, 44, 7 + fprintf(of, "\t%i,",
 163             (int)(afm->WinMetrics.sAvgCharWidth)));
 164     fputs("/* WinMetrics.sAvgCharWidth */\n", of);
 165     cursorto(of, 44, 7 + fprintf(of, "\t%i,",
 166             (int)(afm->WinMetrics.sTypoAscender)));
 167     fputs("/* WinMetrics.sTypoAscender */\n", of);
 168     cursorto(of, 44, 7 + fprintf(of, "\t%i,",
 169             (int)(afm->WinMetrics.sTypoDescender)));
 170     fputs("/* WinMetrics.sTypoDescender */\n", of);
 171     cursorto(of, 44, 7 + fprintf(of, "\t%i,",
 172             (int)(afm->WinMetrics.sTypoLineGap)));
 173     fputs("/* WinMetrics.sTypoLineGap */\n", of);
 174     cursorto(of, 44, 7 + fprintf(of, "\t%u,",
 175             (unsigned int)(afm->WinMetrics.usWinAscent)));
 176     fputs("/* WinMetrics.usWinAscent */\n", of);
 177     cursorto(of, 44, 7 + fprintf(of, "\t%u",
 178             (unsigned int)(afm->WinMetrics.usWinDescent)));
 179     fputs("/* WinMetrics.usWinDescent */\n",of);
 180     fputs("    },\n", of);
 181     cursorto(of, 44, fprintf(of, "    %i,", afm->NumofMetrics));
 182     fputs("/* NumofMetrics */\n", of);
 183     fputs("    metrics\t\t\t\t    /* Metrics */\n};\n", of);
 184 }
 185
 186 void PSDRV_AFM2C(const AFM *afm)
 187 {
 188     char    buffer[256];
 189     FILE    *of;
 190     int     i;
 191
 192     lstrcpynA(buffer, afm->FontName, sizeof(buffer) - 2);
 193
 194     for (i = 0; i < strlen(buffer); ++i)
 195         if (buffer[i] == '-')
 196             buffer[i] = '_';
 197
 198     buffer[i] = '.';  buffer[i + 1] = 'c';  buffer[i + 2] = '\0';
 199
 200     MESSAGE("writing '%s'\n", buffer);
 201
 202     of = fopen(buffer, "w");
 203     if (of == NULL)
 204     {
 205         ERR("error opening '%s' for writing\n", buffer);
 206         return;
 207     }
 208
 209     buffer[i] = '\0';
 210
 211     writeHeader(of, afm, buffer);
 212     writeMetrics(of, afm, buffer);
 213     writeAFM(of, afm, buffer);
 214
 215     fclose(of);
 216 }