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