dlls/winedib.drv/font.c

   1 /*
   2  * DIBDRV font objects
   3  *
   4  * Copyright 2007 Jesse Allen
   5  * Copyright 2008 Massimo Del Fedele
   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  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include "dibdrv.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(dibdrv);
  29
  30 /**********************************************************************
  31  *          DIBDRV_SetTextColor
  32  */
  33 COLORREF DIBDRV_SetTextColor( DIBDRVPHYSDEV *physDev, COLORREF color )
  34 {
  35     COLORREF oldColor;
  36     INT r, g, b;
  37     INT i;
  38
  39     TRACE("physDev:%p, color:%x\n", physDev, color);
  40
  41     /* do nothing if color is the same as actual one */
  42     if(color == physDev->textColor)
  43     return color;
  44
  45     /* stores old color */
  46     oldColor = physDev->textColor;
  47
  48     /* fills the text color table used on antialiased font display */
  49     if(physDev->bmp.funcs)
  50     {
  51         r = GetRValue(color);
  52         g = GetGValue(color);
  53         b = GetBValue(color);
  54         for(i = 0; i < 256; i++)
  55         {
  56             physDev->bmp.textColorTable[i] = physDev->bmp.funcs->colorref_to_pixel(&physDev->bmp, RGB(
  57                 MulDiv(r, i, 256),
  58                 MulDiv(g, i, 256),
  59                 MulDiv(b, i, 256)
  60             ));
  61
  62         }
  63     }
  64
  65     /* returns previous text color */
  66     return oldColor;
  67 }
  68
  69 /***********************************************************************
  70  *           DIBDRV_SelectFont
  71  */
  72 HFONT DIBDRV_SelectFont( DIBDRVPHYSDEV *physDev, HFONT hfont, GdiFont *gdiFont )
  73 {
  74     FT_Int      i;
  75     FT_Error    error;
  76     FT_CharMap  charmap = NULL;
  77     LOGFONTW lf;
  78     GdiFont *curFont;
  79
  80     FIXME("physDev:%p, hfont:%p, gdiFont:%p\n", physDev, hfont, gdiFont);
  81
  82     /* gets font information */
  83     GetObjectW(hfont, sizeof(lf), &lf);
  84     TRACE("Font is : '%s'\n", debugstr_w(lf.lfFaceName));
  85
  86     /* FIXME: just handles gdifont, don't know if it needs to handle hfont too
  87        BTW, still don't know how to get FT_Face from non-gdi font here
  88     */
  89     if(!gdiFont)
  90     {
  91         FIXME("No gdi font - unhandled by now.\n");
  92         return hfont;
  93     }
  94
  95     physDev->face = gdiFont->ft_face;
  96     if(!physDev->face)
  97     {
  98         FIXME("Error, null Ft_Face\n");
  99         return hfont;
 100     }
 101
 102     /* setup the correct charmap.... maybe */
 103     for (i = 0; i < physDev->face->num_charmaps; ++i)
 104     {
 105         if (physDev->face->charmaps[i]->platform_id != TT_PLATFORM_MICROSOFT)
 106         continue;
 107
 108         if (physDev->face->charmaps[i]->encoding_id == TT_MS_ID_UNICODE_CS)
 109         {
 110             charmap = physDev->face->charmaps[i];
 111             break;
 112         }
 113
 114         if (charmap == NULL)
 115         {
 116             WARN("Selected fallout charmap #%d\n", i);
 117             charmap = physDev->face->charmaps[i];
 118         }
 119     }
 120     if (charmap == NULL)
 121     {
 122         WARN("No Windows character map found\n");
 123         charmap = physDev->face->charmaps[0];
 124         return FALSE;
 125     }
 126
 127     error = pFT_Set_Charmap(physDev->face, charmap);
 128     if (error != FT_Err_Ok)
 129     {
 130         ERR("%s returned %i\n", "FT_Set_Charmap", error);
 131         return FALSE;
 132     }
 133
 134     /* we use GDI fonts, so just return false */
 135     return 0;
 136 }
 137
 138 /***********************************************************************
 139  *           DIBDRV_EnumDeviceFonts
 140  */
 141 BOOL DIBDRV_EnumDeviceFonts( DIBDRVPHYSDEV *physDev, LPLOGFONTW plf,
 142                              FONTENUMPROCW proc, LPARAM lp )
 143 {
 144     TRACE("physDev:%p, plf:%p, proc:%p, lp:%lx\n", physDev, plf, proc, lp);
 145
 146     /* don't enumerate x11 fonts, we're using client side fonts */
 147     return FALSE;
 148 }
 149
 150 /***********************************************************************
 151  *           DIBDRV_GetTextMetrics
 152  */
 153 BOOL DIBDRV_GetTextMetrics( DIBDRVPHYSDEV *physDev, TEXTMETRICW *metrics )
 154 {
 155     TRACE("physDev:%p, metrics:%p\n", physDev, metrics);
 156
 157     /* no need for this one, as we use GDI fonts */
 158     return FALSE;
 159 }
 160
 161 /***********************************************************************
 162  *           DIBDRV_GetCharWidth
 163  */
 164 BOOL DIBDRV_GetCharWidth( DIBDRVPHYSDEV *physDev, UINT firstChar, UINT lastChar,
 165                           LPINT buffer )
 166 {
 167     TRACE("physDev:%p, firstChar:%d, lastChar:%d, buffer:%pn", physDev, firstChar, lastChar, buffer);
 168
 169     /* no need for this one, as we use GDI fonts */
 170     return FALSE;
 171 }