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 X11DRV_SelectPen( PHYSDEV dev, 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     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
  43     LOGPEN logpen;
  44     int i;
  45
  46     if (!GetObjectW( hpen, sizeof(logpen), &logpen ))
  47     {
  48         /* must be an extended pen */
  49         EXTLOGPEN *elp;
  50         INT size = GetObjectW( hpen, 0, NULL );
  51
  52         if (!size) return 0;
  53
  54         physDev->pen.ext = 1;
  55         elp = HeapAlloc( GetProcessHeap(), 0, size );
  56
  57         GetObjectW( hpen, size, elp );
  58         /* FIXME: add support for user style pens */
  59         logpen.lopnStyle = elp->elpPenStyle;
  60         logpen.lopnWidth.x = elp->elpWidth;
  61         logpen.lopnWidth.y = 0;
  62         logpen.lopnColor = elp->elpColor;
  63
  64         HeapFree( GetProcessHeap(), 0, elp );
  65     }
  66     else
  67         physDev->pen.ext = 0;
  68
  69     physDev->pen.style = logpen.lopnStyle & PS_STYLE_MASK;
  70     physDev->pen.type = logpen.lopnStyle & PS_TYPE_MASK;
  71     physDev->pen.endcap = logpen.lopnStyle & PS_ENDCAP_MASK;
  72     physDev->pen.linejoin = logpen.lopnStyle & PS_JOIN_MASK;
  73
  74     physDev->pen.width = logpen.lopnWidth.x;
  75     if ((logpen.lopnStyle & PS_GEOMETRIC) || (physDev->pen.width >= 1))
  76     {
  77         physDev->pen.width = X11DRV_XWStoDS( physDev, physDev->pen.width );
  78         if (physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  79     }
  80
  81     if (physDev->pen.width == 1) physDev->pen.width = 0;  /* Faster */
  82     if (hpen == GetStockObject( DC_PEN ))
  83         logpen.lopnColor = GetDCPenColor( dev->hdc );
  84     physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( physDev, logpen.lopnColor );
  85     switch(logpen.lopnStyle & PS_STYLE_MASK)
  86     {
  87       case PS_DASH:
  88             physDev->pen.dash_len = sizeof(PEN_dash)/sizeof(*PEN_dash);
  89             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dash : PEN_dash,
  90                    physDev->pen.dash_len);
  91             break;
  92       case PS_DOT:
  93             physDev->pen.dash_len = sizeof(PEN_dot)/sizeof(*PEN_dot);
  94             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dot : PEN_dot,
  95                    physDev->pen.dash_len);
  96             break;
  97       case PS_DASHDOT:
  98             physDev->pen.dash_len = sizeof(PEN_dashdot)/sizeof(*PEN_dashdot);
  99             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dashdot : PEN_dashdot,
 100                    physDev->pen.dash_len);
 101             break;
 102       case PS_DASHDOTDOT:
 103             physDev->pen.dash_len = sizeof(PEN_dashdotdot)/sizeof(*PEN_dashdotdot);
 104             memcpy(physDev->pen.dashes, physDev->pen.ext ? EXTPEN_dashdotdot : PEN_dashdotdot,
 105                    physDev->pen.dash_len);
 106             break;
 107       case PS_ALTERNATE:
 108             physDev->pen.dash_len = sizeof(PEN_alternate)/sizeof(*PEN_alternate);
 109             memcpy(physDev->pen.dashes, PEN_alternate, physDev->pen.dash_len);
 110             break;
 111       case PS_USERSTYLE:
 112         FIXME("PS_USERSTYLE is not supported\n");
 113         /* fall through */
 114       default:
 115         physDev->pen.dash_len = 0;
 116         break;
 117     }
 118     if(physDev->pen.ext && physDev->pen.dash_len &&
 119         (logpen.lopnStyle & PS_STYLE_MASK) != PS_ALTERNATE)
 120         for(i = 0; i < physDev->pen.dash_len; i++)
 121             physDev->pen.dashes[i] *= (physDev->pen.width ? physDev->pen.width : 1);
 122
 123     return hpen;
 124 }
 125
 126
 127 /***********************************************************************
 128  *           SetDCPenColor (X11DRV.@)
 129  */
 130 COLORREF X11DRV_SetDCPenColor( PHYSDEV dev, COLORREF crColor )
 131 {
 132     X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
 133
 134     if (GetCurrentObject(dev->hdc, OBJ_PEN) == GetStockObject( DC_PEN ))
 135         physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( physDev, crColor );
 136
 137     return crColor;
 138 }