dlls/wineps.drv/text.c

   1 /*
   2  *      PostScript driver text functions
   3  *
   4  *      Copyright 1998  Huw D M Davies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20 #include <string.h>
  21 #include <stdarg.h>
  22 #include <stdlib.h>
  23 #include <math.h>
  24
  25 #include "windef.h"
  26 #include "wingdi.h"
  27 #include "psdrv.h"
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
  31
  32 static BOOL PSDRV_Text(PHYSDEV dev, INT x, INT y, UINT flags,
  33                        LPCWSTR str, UINT count,
  34                        BOOL bDrawBackground, const INT *lpDx);
  35
  36 /***********************************************************************
  37  *           PSDRV_ExtTextOut
  38  */
  39 BOOL CDECL PSDRV_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags,
  40                              const RECT *lprect, LPCWSTR str, UINT count,
  41                              const INT *lpDx )
  42 {
  43     PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
  44     BOOL bResult = TRUE;
  45     BOOL bClipped = FALSE;
  46     BOOL bOpaque = FALSE;
  47
  48     TRACE("(x=%d, y=%d, flags=0x%08x, str=%s, count=%d, lpDx=%p)\n", x, y,
  49           flags, debugstr_wn(str, count), count, lpDx);
  50
  51     if(physDev->job.id == 0) return FALSE;
  52
  53     /* write font if not already written */
  54     PSDRV_SetFont(dev);
  55
  56     PSDRV_SetClip(dev);
  57
  58     /* set clipping and/or draw background */
  59     if ((flags & (ETO_CLIPPED | ETO_OPAQUE)) && (lprect != NULL))
  60     {
  61         PSDRV_WriteGSave(dev);
  62         PSDRV_WriteRectangle(dev, lprect->left, lprect->top, lprect->right - lprect->left,
  63                              lprect->bottom - lprect->top);
  64
  65         if (flags & ETO_OPAQUE)
  66         {
  67             bOpaque = TRUE;
  68             PSDRV_WriteGSave(dev);
  69             PSDRV_WriteSetColor(dev, &physDev->bkColor);
  70             PSDRV_WriteFill(dev);
  71             PSDRV_WriteGRestore(dev);
  72         }
  73
  74         if (flags & ETO_CLIPPED)
  75         {
  76             bClipped = TRUE;
  77             PSDRV_WriteClip(dev);
  78         }
  79
  80         bResult = PSDRV_Text(dev, x, y, flags, str, count, !(bClipped && bOpaque), lpDx);
  81         PSDRV_WriteGRestore(dev);
  82     }
  83     else
  84     {
  85         bResult = PSDRV_Text(dev, x, y, flags, str, count, TRUE, lpDx);
  86     }
  87
  88     PSDRV_ResetClip(dev);
  89     return bResult;
  90 }
  91
  92 /***********************************************************************
  93  *           PSDRV_Text
  94  */
  95 static BOOL PSDRV_Text(PHYSDEV dev, INT x, INT y, UINT flags, LPCWSTR str,
  96                        UINT count, BOOL bDrawBackground, const INT *lpDx)
  97 {
  98     PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
  99     WORD *glyphs = NULL;
 100
 101     if (!count)
 102         return TRUE;
 103
 104     if(physDev->font.fontloc == Download)
 105         glyphs = (LPWORD)str;
 106
 107     PSDRV_WriteMoveTo(dev, x, y);
 108
 109     if(!lpDx) {
 110         if(physDev->font.fontloc == Download)
 111             PSDRV_WriteDownloadGlyphShow(dev, glyphs, count);
 112         else
 113             PSDRV_WriteBuiltinGlyphShow(dev, str, count);
 114     }
 115     else {
 116         UINT i;
 117         POINT offset = {0, 0};
 118
 119         for(i = 0; i < count-1; i++) {
 120             if(physDev->font.fontloc == Download)
 121                 PSDRV_WriteDownloadGlyphShow(dev, glyphs + i, 1);
 122             else
 123                 PSDRV_WriteBuiltinGlyphShow(dev, str + i, 1);
 124             if(flags & ETO_PDY)
 125             {
 126                 offset.x += lpDx[i * 2];
 127                 offset.y += lpDx[i * 2 + 1];
 128             }
 129             else
 130                 offset.x += lpDx[i];
 131             PSDRV_WriteMoveTo(dev, x + offset.x, y + offset.y);
 132         }
 133         if(physDev->font.fontloc == Download)
 134             PSDRV_WriteDownloadGlyphShow(dev, glyphs + i, 1);
 135         else
 136             PSDRV_WriteBuiltinGlyphShow(dev, str + i, 1);
 137     }
 138
 139     return TRUE;
 140 }