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 "debugtools.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(win16drv)
  17
  18
  19 /***********************************************************************
  20  *           WIN16DRV_GetTextExtentPoint
  21  */
  22 BOOL WIN16DRV_GetTextExtentPoint( DC *dc, LPCWSTR wstr, INT count,
  23                                   LPSIZE size )
  24 {
  25     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  26     DWORD dwRet;
  27     char *str;
  28
  29     TRACE("%04x %s %d %p\n",
  30           dc->hSelf, debugstr_wn(wstr, count), count, size);
  31
  32     str = HeapAlloc( GetProcessHeap(), 0, count+1 );
  33     lstrcpynWtoA( str, wstr, count+1 );
  34     dwRet = PRTDRV_ExtTextOut(physDev->segptrPDEVICE, 0, 0,
  35                               NULL, str,
  36                               -count,  physDev->FontInfo,
  37                               win16drv_SegPtr_DrawMode,
  38                               win16drv_SegPtr_TextXForm, NULL, NULL, 0);
  39     size->cx = XDSTOLS(dc,LOWORD(dwRet));
  40     size->cy = YDSTOLS(dc,HIWORD(dwRet));
  41     TRACE("cx=0x%x, cy=0x%x\n",
  42                 size->cx, size->cy );
  43     HeapFree( GetProcessHeap(), 0, str );
  44     return TRUE;
  45 }
  46
  47
  48 /***********************************************************************
  49  *           WIN16DRV_GetTextMetrics
  50  */
  51 BOOL WIN16DRV_GetTextMetrics( DC *dc, TEXTMETRICA *metrics )
  52 {
  53     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  54
  55     TRACE("%04x \n", dc->hSelf);
  56
  57     FONT_TextMetric16to32A( &physDev->tm, metrics );
  58
  59     TRACE(
  60           "H %ld, A %ld, D %ld, Int %ld, Ext %ld, AW %ld, MW %ld, W %ld\n",
  61            metrics->tmHeight,
  62            metrics->tmAscent,
  63            metrics->tmDescent,
  64            metrics->tmInternalLeading,
  65            metrics->tmExternalLeading,
  66            metrics->tmAveCharWidth,
  67            metrics->tmMaxCharWidth,
  68            metrics->tmWeight);
  69
  70     return TRUE;
  71 }
  72
  73 HFONT WIN16DRV_FONT_SelectObject( DC * dc, HFONT hfont, FONTOBJ * font)
  74 {
  75     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
  76     HPEN prevHandle = dc->w.hFont;
  77     int nSize;
  78
  79     dc->w.hFont = hfont;
  80
  81     TRACE("WIN16DRV_FONT_SelectObject '%s' h=%d\n",
  82                      font->logfont.lfFaceName, font->logfont.lfHeight);
  83
  84
  85     if( physDev->FontInfo )
  86     {
  87         TRACE("UnRealizing FontInfo\n");
  88         nSize = PRTDRV_RealizeObject (physDev->segptrPDEVICE, -DRVOBJ_FONT,
  89                                       physDev->FontInfo,
  90                                       physDev->FontInfo, 0);
  91     }
  92
  93     memcpy(&physDev->lf, &font->logfont, sizeof(LOGFONT16));
  94     nSize = PRTDRV_RealizeObject (physDev->segptrPDEVICE, DRVOBJ_FONT,
  95                                   &physDev->lf, 0, 0);
  96
  97     if( physDev->FontInfo &&
  98         HeapSize( SegptrHeap, 0, physDev->FontInfo ) < nSize )
  99     {
 100         SEGPTR_FREE( physDev->FontInfo );
 101         physDev->FontInfo = NULL;
 102     }
 103
 104     if( !physDev->FontInfo )
 105         physDev->FontInfo = SEGPTR_ALLOC( nSize );
 106
 107
 108     nSize = PRTDRV_RealizeObject(physDev->segptrPDEVICE, DRVOBJ_FONT,
 109                                  &physDev->lf,
 110                                  physDev->FontInfo,
 111                                  win16drv_SegPtr_TextXForm );
 112
 113 #define fi physDev->FontInfo
 114     physDev->tm.tmHeight           = YDSTOLS(dc, fi->dfPixHeight);
 115     physDev->tm.tmAscent           = YDSTOLS(dc, fi->dfAscent);
 116     physDev->tm.tmDescent          = physDev->tm.tmHeight -
 117                                             physDev->tm.tmAscent;
 118     physDev->tm.tmInternalLeading  = YDSTOLS(dc, fi->dfInternalLeading);
 119     physDev->tm.tmExternalLeading  = YDSTOLS(dc, fi->dfExternalLeading);
 120     physDev->tm.tmAveCharWidth     = XDSTOLS(dc, fi->dfAvgWidth);
 121     physDev->tm.tmMaxCharWidth     = XDSTOLS(dc, fi->dfMaxWidth);
 122     physDev->tm.tmWeight           = fi->dfWeight;
 123     physDev->tm.tmOverhang         = 0; /*FIXME*/
 124     physDev->tm.tmDigitizedAspectX = fi->dfHorizRes;
 125     physDev->tm.tmDigitizedAspectY = fi->dfVertRes;
 126     physDev->tm.tmFirstChar        = fi->dfFirstChar;
 127     physDev->tm.tmLastChar         = fi->dfLastChar;
 128     physDev->tm.tmDefaultChar      = fi->dfDefaultChar;
 129     physDev->tm.tmBreakChar        = fi->dfBreakChar;
 130     physDev->tm.tmItalic           = fi->dfItalic;
 131     physDev->tm.tmUnderlined       = fi->dfUnderline;
 132     physDev->tm.tmStruckOut        = fi->dfStrikeOut;
 133     physDev->tm.tmPitchAndFamily   = fi->dfPitchAndFamily;
 134     physDev->tm.tmCharSet          = fi->dfCharSet;
 135 #undef fi
 136
 137     TRACE("H %d, A %d, D %d, Int %d, Ext %d, AW %d, MW %d, W %d\n",
 138            physDev->tm.tmHeight,
 139            physDev->tm.tmAscent,
 140            physDev->tm.tmDescent,
 141            physDev->tm.tmInternalLeading,
 142            physDev->tm.tmExternalLeading,
 143            physDev->tm.tmAveCharWidth,
 144            physDev->tm.tmMaxCharWidth,
 145            physDev->tm.tmWeight);
 146
 147     return prevHandle;
 148 }
 149
 150 /***********************************************************************
 151  *           GetCharWidth32A    (GDI32.155)
 152  */
 153 BOOL WIN16DRV_GetCharWidth( DC *dc, UINT firstChar, UINT lastChar,
 154                             LPINT buffer )
 155 {
 156     int i;
 157     WORD wRet;
 158
 159     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
 160
 161     TRACE("%d - %d into %p\n",
 162                       firstChar, lastChar, buffer );
 163
 164     wRet = PRTDRV_GetCharWidth( physDev->segptrPDEVICE, buffer, firstChar,
 165                                 lastChar, physDev->FontInfo,
 166                                 win16drv_SegPtr_DrawMode,
 167                                 win16drv_SegPtr_TextXForm );
 168     if( TRACE_ON(win16drv) ){
 169         for(i = 0; i <= lastChar - firstChar; i++)
 170             TRACE("Char %x: width %d\n", i + firstChar,
 171                                          buffer[i]);
 172     }
 173
 174     return wRet;
 175 }
 176
 177 /***********************************************************************
 178  *
 179  *           WIN16DRV_EnumDeviceFonts
 180  */
 181
 182 BOOL    WIN16DRV_EnumDeviceFonts( DC* dc, LPLOGFONT16 plf,
 183                                         DEVICEFONTENUMPROC proc, LPARAM lp )
 184 {
 185     WIN16DRV_PDEVICE *physDev = (WIN16DRV_PDEVICE *)dc->physDev;
 186     WORD wRet;
 187     WEPFC wepfc;
 188     /* EnumDFontCallback is GDI.158 */
 189     FARPROC16 pfnCallback = NE_GetEntryPoint( GetModuleHandle16("GDI"), 158 );
 190
 191     wepfc.proc = (int (*)(LPENUMLOGFONT16,LPNEWTEXTMETRIC16,UINT16,LPARAM))proc;
 192     wepfc.lp = lp;
 193
 194     wRet = PRTDRV_EnumDFonts(physDev->segptrPDEVICE, plf->lfFaceName[0] ?
 195                              plf->lfFaceName : NULL , pfnCallback , &wepfc );
 196     return wRet;
 197 }
 198
 199 /***********************************************************************
 200  * EnumCallback (GDI.158)
 201  *
 202  * This is the callback function used when EnumDFonts is called.
 203  * (The printer drivers uses it to pass info on available fonts).
 204  *
 205  * lpvClientData is the pointer passed to EnumDFonts, which points to a WEPFC
 206  * structure (WEPFC = WINE_ENUM_PRINTER_FONT_CALLBACK).
 207  *
 208  */
 209 WORD WINAPI EnumCallback16(LPENUMLOGFONT16 lpLogFont,
 210                            LPNEWTEXTMETRIC16 lpTextMetrics,
 211                            WORD wFontType, LONG lpClientData)
 212 {
 213     TRACE("In EnumCallback16 plf=%p\n", lpLogFont);
 214     return (*(((WEPFC *)lpClientData)->proc))( lpLogFont, lpTextMetrics,
 215                                      wFontType, ((WEPFC *)lpClientData)->lp );
 216 }
 217