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 /***********************************************************************
  29  *           SelectPen   (X11DRV.@)
  30  */
  31 HPEN CDECL X11DRV_SelectPen( X11DRV_PDEVICE *physDev, HPEN hpen )
  32 {
  33     static const char PEN_dash[]          = { 16,8 };
  34     static const char PEN_dot[]           = { 4,4 };
  35     static const char PEN_dashdot[]       = { 12,8,4,8 };
  36     static const char PEN_dashdotdot[]    = { 12,4,4,4,4,4 };
  37     static const char PEN_alternate[]     = { 1,1 };
  38     static const char EXTPEN_dash[]       = { 3,1 };
  39     static const char EXTPEN_dot[]        = { 1,1 };
  40     static const char EXTPEN_dashdot[]    = { 3,1,1,1 };
  41     static const char EXTPEN_dashdotdot[] = { 3,1,1,1,1,1 };
  42     LOGPEN logpen;
  43     int i;
  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         physDev->pen.ext = 1;
  54         elp = HeapAlloc( GetProcessHeap(), 0, size );
  55
  56         GetObjectW( hpen, size, elp );
  57         /* FIXME: add support for user style pens */
  58         logpen.lopnStyle = elp->elpPenStyle;
  59         logpen.lopnWidth.x = elp->elpWidth;
  60         logpen.lopnWidth.y = 0;
  61         logpen.lopnColor = elp->elpColor;
  62
  63         HeapFree( GetProcessHeap(), 0, elp );
  64     }
  65     else
  66         physDev->pen.ext = 0;
  67
  68     physDev->pen.style = logpen.lopnStyle & PS_STYLE_MASK;
  69     physDev->pen.type = logpen.lopnStyle & PS_TYPE_MASK;
  70     physDev->pen.endcap = logpen.lopnStyle & PS_ENDCAP_MASK;
  71     physDev->pen.linejoin = logpen.lopnStyle & PS_JOIN_MASK;
  72
  73     physDev->pen.width = logpen.lopnWidth.x;
  74     if ((logpen.lopnStyle & PS_GEOMETRIC) || (physDev->pen.width >= 1))
  75     {
  76         physDev->pen.width = X11DRV_XWStoDS( physDev, physDev->pen.width );
  77         if (physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  78     }
  79
  80     if (physDev->pen.width == 1) physDev->pen.width = 0;  /* Faster */
  81     if (hpen == GetStockObject( DC_PEN ))
  82         logpen.lopnColor = GetDCPenColor( physDev->hdc );
  83     physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( physDev, logpen.lopnColor );
  84     switch(logpen.lopnStyle & PS_STYLE_MASK)
  85     {
  86       case PS_DASH:
  87             physDev->pen.dash_len = sizeof(PEN_dash)/sizeof(*PEN_dash);
  88             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dash : PEN_dash,
  89                    physDev->pen.dash_len);
  90             break;
  91       case PS_DOT:
  92             physDev->pen.dash_len = sizeof(PEN_dot)/sizeof(*PEN_dot);
  93             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dot : PEN_dot,
  94                    physDev->pen.dash_len);
  95             break;
  96       case PS_DASHDOT:
  97             physDev->pen.dash_len = sizeof(PEN_dashdot)/sizeof(*PEN_dashdot);
  98             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dashdot : PEN_dashdot,
  99                    physDev->pen.dash_len);
 100             break;
 101       case PS_DASHDOTDOT:
 102             physDev->pen.dash_len = sizeof(PEN_dashdotdot)/sizeof(*PEN_dashdotdot);
 103             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dashdotdot : PEN_dashdotdot,
 104                    physDev->pen.dash_len);
 105             break;
 106       case PS_ALTERNATE:
 107             physDev->pen.dash_len = sizeof(PEN_alternate)/sizeof(*PEN_alternate);
 108             memcpy(physDev->pen.dashes, PEN_alternate, physDev->pen.dash_len);
 109             break;
 110       case PS_USERSTYLE:
 111         FIXME("PS_USERSTYLE is not supported\n");
 112         /* fall through */
 113       default:
 114         physDev->pen.dash_len = 0;
 115         break;
 116     }
 117     if(physDev->pen.ext && physDev->pen.dash_len &&
 118         (logpen.lopnStyle & PS_STYLE_MASK) != PS_ALTERNATE)
 119         for(i = 0; i < physDev->pen.dash_len; i++)
 120             physDev->pen.dashes[i] *= (physDev->pen.width ? physDev->pen.width : 1);
 121
 122     return hpen;
 123 }
 124
 125
 126 /***********************************************************************
 127  *           SetDCPenColor (X11DRV.@)
 128  */
 129 COLORREF CDECL X11DRV_SetDCPenColor( X11DRV_PDEVICE *physDev, COLORREF crColor )
 130 {
 131     if (GetCurrentObject(physDev->hdc, OBJ_PEN) == GetStockObject( DC_PEN ))
 132         physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( physDev, crColor );
 133
 134     return crColor;
 135 }