graphics/x11drv/pen.c

   1 /*
   2  * X11DRV pen objects
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #include "config.h"
   8
   9 #include "x11drv.h"
  10 #include "debugtools.h"
  11
  12 DEFAULT_DEBUG_CHANNEL(x11drv);
  13
  14 static const char PEN_dash[]       = { 16,8 };
  15 static const char PEN_dot[]        = { 4,4 };
  16 static const char PEN_dashdot[]    = { 12,8,4,8 };
  17 static const char PEN_dashdotdot[] = { 12,4,4,4,4,4 };
  18 static const char PEN_alternate[]  = { 1,1 };
  19
  20 /***********************************************************************
  21  *           PEN_SelectObject
  22  */
  23 HPEN X11DRV_PEN_SelectObject( DC * dc, HPEN hpen )
  24 {
  25     LOGPEN logpen;
  26     HPEN prevHandle = dc->hPen;
  27     X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
  28
  29     if (!GetObjectA( hpen, sizeof(logpen), &logpen )) return 0;
  30
  31     dc->hPen = hpen;
  32     physDev->pen.style = logpen.lopnStyle & PS_STYLE_MASK;
  33     physDev->pen.type = logpen.lopnStyle & PS_TYPE_MASK;
  34     physDev->pen.endcap = logpen.lopnStyle & PS_ENDCAP_MASK;
  35     physDev->pen.linejoin = logpen.lopnStyle & PS_JOIN_MASK;
  36
  37     physDev->pen.width = GDI_ROUND((FLOAT)logpen.lopnWidth.x *
  38                                    dc->xformWorld2Vport.eM11 * 0.5);
  39     if (physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  40     if (physDev->pen.width == 1) physDev->pen.width = 0;  /* Faster */
  41     physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( dc, logpen.lopnColor );
  42     switch(logpen.lopnStyle & PS_STYLE_MASK)
  43     {
  44       case PS_DASH:
  45         physDev->pen.dashes = (char *)PEN_dash;
  46         physDev->pen.dash_len = sizeof(PEN_dash)/sizeof(*PEN_dash);
  47         break;
  48       case PS_DOT:
  49         physDev->pen.dashes = (char *)PEN_dot;
  50         physDev->pen.dash_len = sizeof(PEN_dot)/sizeof(*PEN_dot);
  51         break;
  52       case PS_DASHDOT:
  53         physDev->pen.dashes = (char *)PEN_dashdot;
  54         physDev->pen.dash_len = sizeof(PEN_dashdot)/sizeof(*PEN_dashdot);
  55         break;
  56       case PS_DASHDOTDOT:
  57         physDev->pen.dashes = (char *)PEN_dashdotdot;
  58         physDev->pen.dash_len = sizeof(PEN_dashdotdot)/sizeof(*PEN_dashdotdot);
  59         break;
  60       case PS_ALTERNATE:
  61         physDev->pen.dashes = (char *)PEN_alternate;
  62         physDev->pen.dash_len = sizeof(PEN_alternate)/sizeof(*PEN_alternate);
  63         break;
  64       case PS_USERSTYLE:
  65         FIXME("PS_USERSTYLE is not supported\n");
  66         break;
  67     }
  68
  69     return prevHandle;
  70 }