dlls/wineps.drv/pen.c

   1 /*
   2  *      PostScript pen handling
   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
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26 #include "psdrv.h"
  27 #include "wine/debug.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
  30
  31 static const char PEN_dash[]       = "50 30";     /* -----   -----   -----  */
  32 static const char PEN_dot[]        = "20";      /* --  --  --  --  --  -- */
  33 static const char PEN_dashdot[]    = "40 30 20 30";  /* ----   --   ----   --  */
  34 static const char PEN_dashdotdot[] = "40 20 20 20 20 20"; /* ----  --  --  ----  */
  35 static const char PEN_alternate[]  = "1";
  36
  37 /***********************************************************************
  38  *           SelectPen   (WINEPS.@)
  39  */
  40 HPEN PSDRV_SelectPen( PHYSDEV dev, HPEN hpen )
  41 {
  42     PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
  43     LOGPEN logpen;
  44
  45     if (!GetObjectW( hpen, sizeof(logpen), &logpen ))
  46     {
  47         /* must be an extended pen */
  48         EXTLOGPEN *elp;
  49         INT size = GetObjectW( hpen, 0, NULL );
  50
  51         if (!size) return 0;
  52
  53         elp = HeapAlloc( GetProcessHeap(), 0, size );
  54
  55         GetObjectW( hpen, size, elp );
  56         /* FIXME: add support for user style pens */
  57         logpen.lopnStyle = elp->elpPenStyle;
  58         logpen.lopnWidth.x = elp->elpWidth;
  59         logpen.lopnWidth.y = 0;
  60         logpen.lopnColor = elp->elpColor;
  61
  62         HeapFree( GetProcessHeap(), 0, elp );
  63     }
  64
  65     TRACE("hpen = %p colour = %08x\n", hpen, logpen.lopnColor);
  66
  67     physDev->pen.width = logpen.lopnWidth.x;
  68     if ((logpen.lopnStyle & PS_GEOMETRIC) || (physDev->pen.width > 1))
  69     {
  70         physDev->pen.width = PSDRV_XWStoDS( dev, physDev->pen.width );
  71         if(physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  72     }
  73     if (hpen == GetStockObject( DC_PEN ))
  74         logpen.lopnColor = GetDCPenColor( dev->hdc );
  75
  76     switch (logpen.lopnStyle & PS_JOIN_MASK)
  77     {
  78     default:
  79     case PS_JOIN_ROUND: physDev->pen.join = 1; break;
  80     case PS_JOIN_BEVEL: physDev->pen.join = 2; break;
  81     case PS_JOIN_MITER: physDev->pen.join = 0; break;
  82     }
  83
  84     switch (logpen.lopnStyle & PS_ENDCAP_MASK)
  85     {
  86     default:
  87     case PS_ENDCAP_ROUND:  physDev->pen.endcap = 1; break;
  88     case PS_ENDCAP_SQUARE: physDev->pen.endcap = 2; break;
  89     case PS_ENDCAP_FLAT:   physDev->pen.endcap = 0; break;
  90     }
  91
  92     PSDRV_CreateColor(dev, &physDev->pen.color, logpen.lopnColor);
  93     physDev->pen.style = logpen.lopnStyle & PS_STYLE_MASK;
  94
  95     switch(physDev->pen.style) {
  96     case PS_DASH:
  97         physDev->pen.dash = PEN_dash;
  98         break;
  99
 100     case PS_DOT:
 101         physDev->pen.dash = PEN_dot;
 102         break;
 103
 104     case PS_DASHDOT:
 105         physDev->pen.dash = PEN_dashdot;
 106         break;
 107
 108     case PS_DASHDOTDOT:
 109         physDev->pen.dash = PEN_dashdotdot;
 110         break;
 111
 112     case PS_ALTERNATE:
 113         physDev->pen.dash = PEN_alternate;
 114         break;
 115
 116     default:
 117         physDev->pen.dash = NULL;
 118     }
 119
 120     if ((physDev->pen.width > 1) && (physDev->pen.dash != NULL)) {
 121         physDev->pen.style = PS_SOLID;
 122          physDev->pen.dash = NULL;
 123     }
 124
 125     physDev->pen.set = FALSE;
 126     return hpen;
 127 }
 128
 129
 130 /***********************************************************************
 131  *           SetDCPenColor (WINEPS.@)
 132  */
 133 COLORREF PSDRV_SetDCPenColor( PHYSDEV dev, COLORREF color )
 134 {
 135     PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
 136
 137     if (GetCurrentObject( dev->hdc, OBJ_PEN ) == GetStockObject( DC_PEN ))
 138         PSDRV_CreateColor( dev, &physDev->pen.color, color );
 139     return color;
 140 }
 141
 142
 143 /**********************************************************************
 144  *
 145  *      PSDRV_SetPen
 146  *
 147  */
 148 BOOL PSDRV_SetPen( PHYSDEV dev )
 149 {
 150     PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
 151
 152     if (physDev->pen.style != PS_NULL) {
 153         PSDRV_WriteSetColor(dev, &physDev->pen.color);
 154
 155         if(!physDev->pen.set) {
 156             PSDRV_WriteSetPen(dev);
 157             physDev->pen.set = TRUE;
 158         }
 159     }
 160
 161     return TRUE;
 162 }