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