graphics/x11drv/pen.c

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