graphics/psdrv/pen.c

   1 /*
   2  *      PostScript pen handling
   3  *
   4  *      Copyright 1998  Huw D M Davies
   5  *
   6  */
   7
   8 #include "pen.h"
   9 #include "psdrv.h"
  10 #include "debug.h"
  11
  12 DEFAULT_DEBUG_CHANNEL(psdrv)
  13
  14 static char PEN_dash[]       = "50 30";     /* -----   -----   -----  */
  15 static char PEN_dot[]        = "20";      /* --  --  --  --  --  -- */
  16 static char PEN_dashdot[]    = "40 30 20 30";  /* ----   --   ----   --  */
  17 static char PEN_dashdotdot[] = "40 20 20 20 20 20"; /* ----  --  --  ----  */
  18 static char PEN_alternate[]  = "1";
  19
  20 /***********************************************************************
  21  *           PSDRV_PEN_SelectObject
  22  */
  23 extern HPEN PSDRV_PEN_SelectObject( DC * dc, HPEN hpen, PENOBJ * pen )
  24 {
  25     HPEN prevpen = dc->w.hPen;
  26     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
  27
  28     TRACE(psdrv, "hpen = %08x colour = %08lx\n", hpen, pen->logpen.lopnColor);
  29     dc->w.hPen = hpen;
  30
  31     physDev->pen.width = XLSTODS(dc, pen->logpen.lopnWidth.x);
  32     if(physDev->pen.width < 0)
  33         physDev->pen.width = -physDev->pen.width;
  34
  35     PSDRV_CreateColor(physDev, &physDev->pen.color, pen->logpen.lopnColor);
  36
  37     if(physDev->pen.width > 1) { /* dashes only for 0 or 1 pixel pens */
  38         physDev->pen.dash = NULL;
  39     } else {
  40         switch(pen->logpen.lopnStyle & PS_STYLE_MASK) {
  41         case PS_DASH:
  42             physDev->pen.dash = PEN_dash;
  43             break;
  44
  45         case PS_DOT:
  46             physDev->pen.dash = PEN_dot;
  47             break;
  48
  49         case PS_DASHDOT:
  50             physDev->pen.dash = PEN_dashdot;
  51             break;
  52
  53         case PS_DASHDOTDOT:
  54             physDev->pen.dash = PEN_dashdotdot;
  55             break;
  56
  57         case PS_ALTERNATE:
  58             physDev->pen.dash = PEN_alternate;
  59             break;
  60
  61         default:
  62             physDev->pen.dash = NULL;
  63             break;
  64         }
  65     }
  66
  67     physDev->pen.set = FALSE;
  68     return prevpen;
  69 }
  70
  71
  72 /**********************************************************************
  73  *
  74  *      PSDRV_SetPen
  75  *
  76  */
  77 BOOL PSDRV_SetPen(DC *dc)
  78 {
  79     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
  80
  81     PSDRV_WriteSetColor(dc, &physDev->pen.color);
  82
  83     if(!physDev->pen.set) {
  84         PSDRV_WriteSetPen(dc);
  85         physDev->pen.set = TRUE;
  86     }
  87
  88     return TRUE;
  89 }
  90
  91