graphics/x11drv/pen.c

   1 /*
   2  * GDI 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
  24     dc->w.hPen = hpen;
  25     dc->u.x.pen.style = pen->logpen.lopnStyle & PS_STYLE_MASK;
  26     dc->u.x.pen.type = pen->logpen.lopnStyle & PS_TYPE_MASK;
  27     dc->u.x.pen.endcap = pen->logpen.lopnStyle & PS_ENDCAP_MASK;
  28     dc->u.x.pen.linejoin = pen->logpen.lopnStyle & PS_JOIN_MASK;
  29
  30     dc->u.x.pen.width = (pen->logpen.lopnWidth.x * dc->vportExtX +
  31                     dc->wndExtX / 2) / dc->wndExtX;
  32     if (dc->u.x.pen.width < 0) dc->u.x.pen.width = -dc->u.x.pen.width;
  33     if (dc->u.x.pen.width == 1) dc->u.x.pen.width = 0;  /* Faster */
  34     dc->u.x.pen.pixel = COLOR_ToPhysical( dc, pen->logpen.lopnColor );
  35     switch(pen->logpen.lopnStyle & PS_STYLE_MASK)
  36     {
  37       case PS_DASH:
  38         dc->u.x.pen.dashes = (char *)PEN_dash;
  39         dc->u.x.pen.dash_len = 2;
  40         break;
  41       case PS_DOT:
  42         dc->u.x.pen.dashes = (char *)PEN_dot;
  43         dc->u.x.pen.dash_len = 2;
  44         break;
  45       case PS_DASHDOT:
  46         dc->u.x.pen.dashes = (char *)PEN_dashdot;
  47         dc->u.x.pen.dash_len = 4;
  48         break;
  49       case PS_DASHDOTDOT:
  50         dc->u.x.pen.dashes = (char *)PEN_dashdotdot;
  51         dc->u.x.pen.dash_len = 6;
  52         break;
  53       case PS_ALTERNATE:
  54         /* FIXME: should be alternating _pixels_ that are set */
  55         dc->u.x.pen.dashes = (char *)PEN_alternate;
  56         dc->u.x.pen.dash_len = 2;
  57         break;
  58       case PS_USERSTYLE:
  59         /* FIXME */
  60         break;
  61     }
  62
  63     return prevHandle;
  64 }