graphics/x11drv/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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     DC *dc = physDev->dc;
  41
  42     if (!GetObjectA( hpen, sizeof(logpen), &logpen )) return 0;
  43
  44     physDev->pen.style = logpen.lopnStyle & PS_STYLE_MASK;
  45     physDev->pen.type = logpen.lopnStyle & PS_TYPE_MASK;
  46     physDev->pen.endcap = logpen.lopnStyle & PS_ENDCAP_MASK;
  47     physDev->pen.linejoin = logpen.lopnStyle & PS_JOIN_MASK;
  48
  49     physDev->pen.width = GDI_ROUND((FLOAT)logpen.lopnWidth.x *
  50                                    dc->xformWorld2Vport.eM11);
  51     if (physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  52     if (physDev->pen.width == 1) physDev->pen.width = 0;  /* Faster */
  53     physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( physDev, logpen.lopnColor );
  54     switch(logpen.lopnStyle & PS_STYLE_MASK)
  55     {
  56       case PS_DASH:
  57         physDev->pen.dashes = (char *)PEN_dash;
  58         physDev->pen.dash_len = sizeof(PEN_dash)/sizeof(*PEN_dash);
  59         break;
  60       case PS_DOT:
  61         physDev->pen.dashes = (char *)PEN_dot;
  62         physDev->pen.dash_len = sizeof(PEN_dot)/sizeof(*PEN_dot);
  63         break;
  64       case PS_DASHDOT:
  65         physDev->pen.dashes = (char *)PEN_dashdot;
  66         physDev->pen.dash_len = sizeof(PEN_dashdot)/sizeof(*PEN_dashdot);
  67         break;
  68       case PS_DASHDOTDOT:
  69         physDev->pen.dashes = (char *)PEN_dashdotdot;
  70         physDev->pen.dash_len = sizeof(PEN_dashdotdot)/sizeof(*PEN_dashdotdot);
  71         break;
  72       case PS_ALTERNATE:
  73         physDev->pen.dashes = (char *)PEN_alternate;
  74         physDev->pen.dash_len = sizeof(PEN_alternate)/sizeof(*PEN_alternate);
  75         break;
  76       case PS_USERSTYLE:
  77         FIXME("PS_USERSTYLE is not supported\n");
  78         break;
  79     }
  80     return hpen;
  81 }