git.oblomov.eu Git - wine/blob - graphics/win16drv/font.c

   1 /*
   2  * Windows driver font functions
   3  *
   4  * Copyright 1996 John Harvey
   5  *           1998 Huw Davies
   6  */
   7
   8 #include <string.h>
   9 #include "wine/winbase16.h"
  10 #include "win16drv.h"
  11 #include "module.h"
  12 #include "font.h"
  13 #include "heap.h"
  14 #include "debug.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(win16drv)
  17
  18
  19 /***********************************************************************
  20  *           WIN16DRV_GetTextExtentPoint
  21  */
  22 BOOL WIN16DRV_GetTextExtentPoint( DC *dc, LPCSTR str, INT count,
  23                                     LPSIZE size )
  24 {
  25     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  26     DWORD dwRet;
  27
  28     TRACE(win16drv, "%04x %s %d %p\n",
  29                                 dc->hSelf, str, count, size);
  30
  31     dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE, 0, 0,
  32                               NULL, str,
  33                               -count,  physDev->FontInfo,
  34                               win16drv_SegPtr_DrawMode,
  35                               win16drv_SegPtr_TextXForm, NULL, NULL, 0);
  36     size->cx = XDSTOLS(dc,LOWORD(dwRet));
  37     size->cy = YDSTOLS(dc,HIWORD(dwRet));
  38     TRACE(win16drv, "cx=0x%x, cy=0x%x\n",
  39                 size->cx, size->cy );
  40     return TRUE;
  41 }
  42
  43
  44 /***********************************************************************
  45  *           WIN16DRV_GetTextMetrics
  46  */
  47 BOOL WIN16DRV_GetTextMetrics( DC *dc, TEXTMETRICA *metrics )
  48 {
  49     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  50
  51     TRACE(win16drv, "%04x \n", dc->hSelf);
  52
  53     FONT_TextMetric16to32A( &physDev->tm, metrics );
  54
  55     TRACE(win16drv,
  56           "H %ld, A %ld, D %ld, Int %ld, Ext %ld, AW %ld, MW %ld, W %ld\n",
  57            metrics->tmHeight,
  58            metrics->tmAscent,
  59            metrics->tmDescent,
  60            metrics->tmInternalLeading,
  61            metrics->tmExternalLeading,
  62            metrics->tmAveCharWidth,
  63            metrics->tmMaxCharWidth,
  64            metrics->tmWeight);
  65
  66     return TRUE;
  67 }
  68
  69 HFONT WIN16DRV_FONT_SelectObject( DC * dc, HFONT hfont, FONTOBJ * font)
  70 {
  71     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  72     HPEN prevHandle = dc->w.hFont;
  73     int nSize;
  74
  75     dc->w.hFont = hfont;
  76
  77     TRACE(win16drv, "WIN16DRV_FONT_SelectObject '%s' h=%d\n",
  78                      font->logfont.lfFaceName, font->logfont.lfHeight);
  79
  80
  81     if( physDev->FontInfo )
  82     {
  83         TRACE(win16drv, "UnRealizing FontInfo\n");
  84         nSize = PRTDRV_RealizeObject (physDev->segptrPDEVICE, -DRVOBJ_FONT,
  85                                       physDev->FontInfo,
  86                                       physDev->FontInfo, 0);
  87     }
  88
  89     memcpy(&physDev->lf, &font->logfont, sizeof(LOGFONT16));
  90     nSize = PRTDRV_RealizeObject (physDev->segptrPDEVICE, DRVOBJ_FONT,
  91                                   &physDev->lf, 0, 0);
  92
  93     if( physDev->FontInfo &&
  94         HeapSize( SegptrHeap, 0, physDev->FontInfo ) < nSize )
  95     {
  96         SEGPTR_FREE( physDev->FontInfo );
  97         physDev->FontInfo = NULL;
  98     }
  99
 100     if( !physDev->FontInfo )
 101         physDev->FontInfo = SEGPTR_ALLOC( nSize );
 102
 103
 104     nSize = PRTDRV_RealizeObject(physDev->segptrPDEVICE, DRVOBJ_FONT,
 105                                  &physDev->lf,
 106                                  physDev->FontInfo,
 107                                  win16drv_SegPtr_TextXForm );
 108
 109 #define fi physDev->FontInfo
 110     physDev->tm.tmHeight           = YDSTOLS(dc, fi->dfPixHeight);
 111     physDev->tm.tmAscent           = YDSTOLS(dc, fi->dfAscent);
 112     physDev->tm.tmDescent          = physDev->tm.tmHeight -
 113                                             physDev->tm.tmAscent;
 114     physDev->tm.tmInternalLeading  = YDSTOLS(dc, fi->dfInternalLeading);
 115     physDev->tm.tmExternalLeading  = YDSTOLS(dc, fi->dfExternalLeading);
 116     physDev->tm.tmAveCharWidth     = XDSTOLS(dc, fi->dfAvgWidth);
 117     physDev->tm.tmMaxCharWidth     = XDSTOLS(dc, fi->dfMaxWidth);
 118     physDev->tm.tmWeight           = fi->dfWeight;
 119     physDev->tm.tmOverhang         = 0; /*FIXME*/
 120     physDev->tm.tmDigitizedAspectX = fi->dfHorizRes;
 121     physDev->tm.tmDigitizedAspectY = fi->dfVertRes;
 122     physDev->tm.tmFirstChar        = fi->dfFirstChar;
 123     physDev->tm.tmLastChar         = fi->dfLastChar;
 124     physDev->tm.tmDefaultChar      = fi->dfDefaultChar;
 125     physDev->tm.tmBreakChar        = fi->dfBreakChar;
 126     physDev->tm.tmItalic           = fi->dfItalic;
 127     physDev->tm.tmUnderlined       = fi->dfUnderline;
 128     physDev->tm.tmStruckOut        = fi->dfStrikeOut;
 129     physDev->tm.tmPitchAndFamily   = fi->dfPitchAndFamily;
 130     physDev->tm.tmCharSet          = fi->dfCharSet;
 131 #undef fi
 132
 133     TRACE(win16drv, "H %d, A %d, D %d, Int %d, Ext %d, AW %d, MW %d, W %d\n",
 134            physDev->tm.tmHeight,
 135            physDev->tm.tmAscent,
 136            physDev->tm.tmDescent,
 137            physDev->tm.tmInternalLeading,
 138            physDev->tm.tmExternalLeading,
 139            physDev->tm.tmAveCharWidth,
 140            physDev->tm.tmMaxCharWidth,
 141            physDev->tm.tmWeight);
 142
 143     return prevHandle;
 144 }
 145
 146 /***********************************************************************
 147  *           GetCharWidth32A    (GDI32.155)
 148  */
 149 BOOL WIN16DRV_GetCharWidth( DC *dc, UINT firstChar, UINT lastChar,
 150                             LPINT buffer )
 151 {
 152     int i;
 153     WORD wRet;
 154
 155     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
 156
 157     TRACE(win16drv, "%d - %d into %p\n",
 158                       firstChar, lastChar, buffer );
 159
 160     wRet = PRTDRV_GetCharWidth( physDev->segptrPDEVICE, buffer, firstChar,
 161                                 lastChar, physDev->FontInfo,
 162                                 win16drv_SegPtr_DrawMode,
 163                                 win16drv_SegPtr_TextXForm );
 164     if( TRACE_ON(win16drv) ){
 165         for(i = 0; i <= lastChar - firstChar; i++)
 166             TRACE(win16drv, "Char %x: width %d\n", i + firstChar,
 167                                          buffer[i]);
 168     }
 169
 170     return wRet;
 171 }
 172
 173 /***********************************************************************
 174  *
 175  *           WIN16DRV_EnumDeviceFonts
 176  */
 177
 178 BOOL    WIN16DRV_EnumDeviceFonts( DC* dc, LPLOGFONT16 plf,
 179                                         DEVICEFONTENUMPROC proc, LPARAM lp )
 180 {
 181     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
 182     WORD wRet;
 183     WEPFC wepfc;
 184     /* EnumDFontCallback is GDI.158 */
 185     FARPROC16 pfnCallback = NE_GetEntryPoint( GetModuleHandle16("GDI"), 158 );
 186
 187     wepfc.proc = proc;
 188     wepfc.lp = lp;
 189
 190     wRet = PRTDRV_EnumDFonts(physDev->segptrPDEVICE, plf->lfFaceName[0] ?
 191                              plf->lfFaceName : NULL , pfnCallback , &wepfc );
 192     return wRet;
 193 }
 194
 195 /*
 196  * EnumCallback (GDI.158)
 197  *
 198  * This is the callback function used when EnumDFonts is called.
 199  * (The printer drivers uses it to pass info on available fonts).
 200  *
 201  * lpvClientData is the pointer passed to EnumDFonts, which points to a WEPFC
 202  * structure (WEPFC = WINE_ENUM_PRINTER_FONT_CALLBACK).
 203  *
 204  */
 205
 206
 207 WORD WINAPI WineEnumDFontCallback(LPENUMLOGFONT16 lpLogFont,
 208                                   LPNEWTEXTMETRIC16 lpTextMetrics,
 209                                   WORD wFontType, LONG lpClientData)
 210 {
 211     TRACE(win16drv, "In WineEnumDFontCallback plf=%p\n", lpLogFont);
 212     return (*(((WEPFC *)lpClientData)->proc))( lpLogFont, lpTextMetrics,
 213                                      wFontType, ((WEPFC *)lpClientData)->lp );
 214 }
 215