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 CDECL PSDRV_SelectPen( PSDRV_PDEVICE *physDev, HPEN hpen )
  41 {
  42     LOGPEN logpen;
  43
  44     if (!GetObjectW( hpen, sizeof(logpen), &logpen ))
  45     {
  46         /* must be an extended pen */
  47         EXTLOGPEN *elp;
  48         INT size = GetObjectW( hpen, 0, NULL );
  49
  50         if (!size) return 0;
  51
  52         elp = HeapAlloc( GetProcessHeap(), 0, size );
  53
  54         GetObjectW( hpen, size, elp );
  55         /* FIXME: add support for user style pens */
  56         logpen.lopnStyle = elp->elpPenStyle;
  57         logpen.lopnWidth.x = elp->elpWidth;
  58         logpen.lopnWidth.y = 0;
  59         logpen.lopnColor = elp->elpColor;
  60
  61         HeapFree( GetProcessHeap(), 0, elp );
  62     }
  63
  64     TRACE("hpen = %p colour = %08x\n", hpen, logpen.lopnColor);
  65
  66     physDev->pen.width = logpen.lopnWidth.x;
  67     if ((logpen.lopnStyle & PS_GEOMETRIC) || (physDev->pen.width > 1))
  68     {
  69         physDev->pen.width = PSDRV_XWStoDS( physDev, physDev->pen.width );
  70         if(physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  71     }
  72
  73     switch (logpen.lopnStyle & PS_JOIN_MASK)
  74     {
  75     default:
  76     case PS_JOIN_ROUND: physDev->pen.join = 1; break;
  77     case PS_JOIN_BEVEL: physDev->pen.join = 2; break;
  78     case PS_JOIN_MITER: physDev->pen.join = 0; break;
  79     }
  80
  81     switch (logpen.lopnStyle & PS_ENDCAP_MASK)
  82     {
  83     default:
  84     case PS_ENDCAP_ROUND:  physDev->pen.endcap = 1; break;
  85     case PS_ENDCAP_SQUARE: physDev->pen.endcap = 2; break;
  86     case PS_ENDCAP_FLAT:   physDev->pen.endcap = 0; break;
  87     }
  88
  89     PSDRV_CreateColor(physDev, &physDev->pen.color, logpen.lopnColor);
  90     physDev->pen.style = logpen.lopnStyle & PS_STYLE_MASK;
  91
  92     switch(physDev->pen.style) {
  93     case PS_DASH:
  94         physDev->pen.dash = PEN_dash;
  95         break;
  96
  97     case PS_DOT:
  98         physDev->pen.dash = PEN_dot;
  99         break;
 100
 101     case PS_DASHDOT:
 102         physDev->pen.dash = PEN_dashdot;
 103         break;
 104
 105     case PS_DASHDOTDOT:
 106         physDev->pen.dash = PEN_dashdotdot;
 107         break;
 108
 109     case PS_ALTERNATE:
 110         physDev->pen.dash = PEN_alternate;
 111         break;
 112
 113     default:
 114         physDev->pen.dash = NULL;
 115     }
 116
 117     if ((physDev->pen.width > 1) && (physDev->pen.dash != NULL)) {
 118         physDev->pen.style = PS_SOLID;
 119          physDev->pen.dash = NULL;
 120     }
 121
 122     physDev->pen.set = FALSE;
 123     return hpen;
 124 }
 125
 126
 127 /**********************************************************************
 128  *
 129  *      PSDRV_SetPen
 130  *
 131  */
 132 BOOL PSDRV_SetPen(PSDRV_PDEVICE *physDev)
 133 {
 134     if (physDev->pen.style != PS_NULL) {
 135         PSDRV_WriteSetColor(physDev, &physDev->pen.color);
 136
 137         if(!physDev->pen.set) {
 138             PSDRV_WriteSetPen(physDev);
 139             physDev->pen.set = TRUE;
 140         }
 141     }
 142
 143     return TRUE;
 144 }