dlls/winex11.drv/pen.c

   1 /*
   2  * X11DRV pen objects
   3  *
   4  * Copyright 1993 Alexandre Julliard
   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 "config.h"
  22
  23 #include "x11drv.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
  27
  28 static const char PEN_dash[]       = { 16,8 };
  29 static const char PEN_dot[]        = { 4,4 };
  30 static const char PEN_dashdot[]    = { 12,8,4,8 };
  31 static const char PEN_dashdotdot[] = { 12,4,4,4,4,4 };
  32 static const char PEN_alternate[]  = { 1,1 };
  33
  34 /***********************************************************************
  35  *           SelectPen   (X11DRV.@)
  36  */
  37 HPEN X11DRV_SelectPen( X11DRV_PDEVICE *physDev, HPEN hpen )
  38 {
  39     LOGPEN logpen;
  40
  41     if (!GetObjectW( hpen, sizeof(logpen), &logpen ))
  42     {
  43         /* must be an extended pen */
  44         EXTLOGPEN *elp;
  45         INT size = GetObjectW( hpen, 0, NULL );
  46
  47         if (!size) return 0;
  48
  49         elp = HeapAlloc( GetProcessHeap(), 0, size );
  50
  51         GetObjectW( hpen, size, elp );
  52         /* FIXME: add support for user style pens */
  53         logpen.lopnStyle = elp->elpPenStyle;
  54         logpen.lopnWidth.x = elp->elpWidth;
  55         logpen.lopnWidth.y = 0;
  56         logpen.lopnColor = elp->elpColor;
  57
  58         HeapFree( GetProcessHeap(), 0, elp );
  59     }
  60
  61     physDev->pen.style = logpen.lopnStyle & PS_STYLE_MASK;
  62     physDev->pen.type = logpen.lopnStyle & PS_TYPE_MASK;
  63     physDev->pen.endcap = logpen.lopnStyle & PS_ENDCAP_MASK;
  64     physDev->pen.linejoin = logpen.lopnStyle & PS_JOIN_MASK;
  65
  66     physDev->pen.width = logpen.lopnWidth.x;
  67     if ((logpen.lopnStyle & PS_GEOMETRIC) || (physDev->pen.width > 1))
  68     {
  69         physDev->pen.width = X11DRV_XWStoDS( physDev, physDev->pen.width );
  70         if (physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  71     }
  72
  73     if (physDev->pen.width == 1) physDev->pen.width = 0;  /* Faster */
  74     if (hpen == GetStockObject( DC_PEN ))
  75         logpen.lopnColor = GetDCPenColor( physDev->hdc );
  76     physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( physDev, logpen.lopnColor );
  77     switch(logpen.lopnStyle & PS_STYLE_MASK)
  78     {
  79       case PS_DASH:
  80         physDev->pen.dashes = (char *)PEN_dash;
  81         physDev->pen.dash_len = sizeof(PEN_dash)/sizeof(*PEN_dash);
  82         break;
  83       case PS_DOT:
  84         physDev->pen.dashes = (char *)PEN_dot;
  85         physDev->pen.dash_len = sizeof(PEN_dot)/sizeof(*PEN_dot);
  86         break;
  87       case PS_DASHDOT:
  88         physDev->pen.dashes = (char *)PEN_dashdot;
  89         physDev->pen.dash_len = sizeof(PEN_dashdot)/sizeof(*PEN_dashdot);
  90         break;
  91       case PS_DASHDOTDOT:
  92         physDev->pen.dashes = (char *)PEN_dashdotdot;
  93         physDev->pen.dash_len = sizeof(PEN_dashdotdot)/sizeof(*PEN_dashdotdot);
  94         break;
  95       case PS_ALTERNATE:
  96         physDev->pen.dashes = (char *)PEN_alternate;
  97         physDev->pen.dash_len = sizeof(PEN_alternate)/sizeof(*PEN_alternate);
  98         break;
  99       case PS_USERSTYLE:
 100         FIXME("PS_USERSTYLE is not supported\n");
 101         /* fall through */
 102       default:
 103         physDev->pen.dashes = NULL;
 104         physDev->pen.dash_len = 0;
 105         break;
 106     }
 107     return hpen;
 108 }
 109
 110
 111 /***********************************************************************
 112  *           SetDCPenColor (X11DRV.@)
 113  */
 114 COLORREF X11DRV_SetDCPenColor( X11DRV_PDEVICE *physDev, COLORREF crColor )
 115 {
 116     if (GetCurrentObject(physDev->hdc, OBJ_PEN) == GetStockObject( DC_PEN ))
 117         physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( physDev, crColor );
 118
 119     return crColor;
 120 }