graphics/x11drv/pen.c

   1 /*
   2  * X11DRV pen objects
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  */
   6
   7 #include "config.h"
   8
   9 #ifndef X_DISPLAY_MISSING
  10
  11 #include "pen.h"
  12 #include "color.h"
  13 #include "x11drv.h"
  14 #include "debug.h"
  15
  16 static const char PEN_dash[]       = { 5,3 };      /* -----   -----   -----  */
  17 static const char PEN_dot[]        = { 1,1 };      /* --  --  --  --  --  -- */
  18 static const char PEN_dashdot[]    = { 4,3,2,3 };  /* ----   --   ----   --  */
  19 static const char PEN_dashdotdot[] = { 4,2,2,2,2,2 }; /* ----  --  --  ----  */
  20 static const char PEN_alternate[]  = { 1,1 };      /* FIXME */
  21
  22 /***********************************************************************
  23  *           PEN_SelectObject
  24  */
  25 HPEN X11DRV_PEN_SelectObject( DC * dc, HPEN hpen, PENOBJ * pen )
  26 {
  27     HPEN prevHandle = dc->w.hPen;
  28     X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
  29
  30     dc->w.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 = (pen->logpen.lopnWidth.x * dc->vportExtX +
  37                     dc->wndExtX / 2) / dc->wndExtX;
  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 = 2;
  46         break;
  47       case PS_DOT:
  48         physDev->pen.dashes = (char *)PEN_dot;
  49         physDev->pen.dash_len = 2;
  50         break;
  51       case PS_DASHDOT:
  52         physDev->pen.dashes = (char *)PEN_dashdot;
  53         physDev->pen.dash_len = 4;
  54         break;
  55       case PS_DASHDOTDOT:
  56         physDev->pen.dashes = (char *)PEN_dashdotdot;
  57         physDev->pen.dash_len = 6;
  58         break;
  59       case PS_ALTERNATE:
  60         /* FIXME: should be alternating _pixels_ that are set */
  61         physDev->pen.dashes = (char *)PEN_alternate;
  62         physDev->pen.dash_len = 2;
  63         break;
  64       case PS_USERSTYLE:
  65         /* FIXME */
  66         break;
  67     }
  68
  69     return prevHandle;
  70 }
  71
  72 #endif /* !defined(X_DISPLAY_MISSING) */