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 static const char PEN_dash[]       = { 5,3 };      /* -----   -----   -----  */
  15 static const char PEN_dot[]        = { 1,1 };      /* --  --  --  --  --  -- */
  16 static const char PEN_dashdot[]    = { 4,3,2,3 };  /* ----   --   ----   --  */
  17 static const char PEN_dashdotdot[] = { 4,2,2,2,2,2 }; /* ----  --  --  ----  */
  18 static const char PEN_alternate[]  = { 1,1 };      /* FIXME */
  19
  20 /***********************************************************************
  21  *           PEN_SelectObject
  22  */
  23 HPEN X11DRV_PEN_SelectObject( DC * dc, HPEN hpen, PENOBJ * pen )
  24 {
  25     HPEN prevHandle = dc->w.hPen;
  26     X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
  27
  28     dc->w.hPen = hpen;
  29     physDev->pen.style = pen->logpen.lopnStyle & PS_STYLE_MASK;
  30     physDev->pen.type = pen->logpen.lopnStyle & PS_TYPE_MASK;
  31     physDev->pen.endcap = pen->logpen.lopnStyle & PS_ENDCAP_MASK;
  32     physDev->pen.linejoin = pen->logpen.lopnStyle & PS_JOIN_MASK;
  33
  34     physDev->pen.width = (pen->logpen.lopnWidth.x * dc->vportExtX +
  35                     dc->wndExtX / 2) / dc->wndExtX;
  36     if (physDev->pen.width < 0) physDev->pen.width = -physDev->pen.width;
  37     if (physDev->pen.width == 1) physDev->pen.width = 0;  /* Faster */
  38     physDev->pen.pixel = X11DRV_PALETTE_ToPhysical( dc, pen->logpen.lopnColor );
  39     switch(pen->logpen.lopnStyle & PS_STYLE_MASK)
  40     {
  41       case PS_DASH:
  42         physDev->pen.dashes = (char *)PEN_dash;
  43         physDev->pen.dash_len = 2;
  44         break;
  45       case PS_DOT:
  46         physDev->pen.dashes = (char *)PEN_dot;
  47         physDev->pen.dash_len = 2;
  48         break;
  49       case PS_DASHDOT:
  50         physDev->pen.dashes = (char *)PEN_dashdot;
  51         physDev->pen.dash_len = 4;
  52         break;
  53       case PS_DASHDOTDOT:
  54         physDev->pen.dashes = (char *)PEN_dashdotdot;
  55         physDev->pen.dash_len = 6;
  56         break;
  57       case PS_ALTERNATE:
  58         /* FIXME: should be alternating _pixels_ that are set */
  59         physDev->pen.dashes = (char *)PEN_alternate;
  60         physDev->pen.dash_len = 2;
  61         break;
  62       case PS_USERSTYLE:
  63         /* FIXME */
  64         break;
  65     }
  66
  67     return prevHandle;
  68 }