graphics/x11drv/pen.c

   1 /*
   2  * X11DRV pen objects
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #include "pen.h"
   8 #include "color.h"
   9 #include "debug.h"
  10
  11 static const char PEN_dash[]       = { 5,3 };      /* -----   -----   -----  */
  12 static const char PEN_dot[]        = { 1,1 };      /* --  --  --  --  --  -- */
  13 static const char PEN_dashdot[]    = { 4,3,2,3 };  /* ----   --   ----   --  */
  14 static const char PEN_dashdotdot[] = { 4,2,2,2,2,2 }; /* ----  --  --  ----  */
  15 static const char PEN_alternate[]  = { 1,1 };      /* FIXME */
  16
  17 /***********************************************************************
  18  *           PEN_SelectObject
  19  */
  20 HPEN32 X11DRV_PEN_SelectObject( DC * dc, HPEN32 hpen, PENOBJ * pen )
  21 {
  22     HPEN32 prevHandle = dc->w.hPen;
  23     X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
  24
  25     dc->w.hPen = hpen;
  26     physDev->pen.style = pen->logpen.lopnStyle & PS_STYLE_MASK;
  27     physDev->pen.type = pen->logpen.lopnStyle & PS_TYPE_MASK;
  28     physDev->pen.endcap = pen->logpen.lopnStyle & PS_ENDCAP_MASK;
  29     physDev->pen.linejoin = pen->logpen.lopnStyle & PS_JOIN_MASK;
  30
  31     physDev->pen.width = (pen->logpen.lopnWidth.x * dc->vportExtX +
  32                     dc->wndExtX / 2) / dc->wndExtX;
  33     if (physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  34     if (physDev->pen.width == 1) physDev->pen.width = 0;  /* Faster */
  35     physDev->pen.pixel = COLOR_ToPhysical( dc, pen->logpen.lopnColor );
  36     switch(pen->logpen.lopnStyle & PS_STYLE_MASK)
  37     {
  38       case PS_DASH:
  39         physDev->pen.dashes = (char *)PEN_dash;
  40         physDev->pen.dash_len = 2;
  41         break;
  42       case PS_DOT:
  43         physDev->pen.dashes = (char *)PEN_dot;
  44         physDev->pen.dash_len = 2;
  45         break;
  46       case PS_DASHDOT:
  47         physDev->pen.dashes = (char *)PEN_dashdot;
  48         physDev->pen.dash_len = 4;
  49         break;
  50       case PS_DASHDOTDOT:
  51         physDev->pen.dashes = (char *)PEN_dashdotdot;
  52         physDev->pen.dash_len = 6;
  53         break;
  54       case PS_ALTERNATE:
  55         /* FIXME: should be alternating _pixels_ that are set */
  56         physDev->pen.dashes = (char *)PEN_alternate;
  57         physDev->pen.dash_len = 2;
  58         break;
  59       case PS_USERSTYLE:
  60         /* FIXME */
  61         break;
  62     }
  63
  64     return prevHandle;
  65 }