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 "debugtools.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("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     physDev->pen.style = pen->logpen.lopnStyle & PS_STYLE_MASK;
  37
  38     switch(physDev->pen.style) {
  39     case PS_DASH:
  40         physDev->pen.dash = PEN_dash;
  41         break;
  42
  43     case PS_DOT:
  44         physDev->pen.dash = PEN_dot;
  45         break;
  46
  47     case PS_DASHDOT:
  48         physDev->pen.dash = PEN_dashdot;
  49         break;
  50
  51     case PS_DASHDOTDOT:
  52         physDev->pen.dash = PEN_dashdotdot;
  53         break;
  54
  55     case PS_ALTERNATE:
  56         physDev->pen.dash = PEN_alternate;
  57         break;
  58
  59     default:
  60         physDev->pen.dash = NULL;
  61     }
  62
  63     if ((physDev->pen.width > 1) && (physDev->pen.dash != NULL)) {
  64         physDev->pen.style = PS_SOLID;
  65          physDev->pen.dash = NULL;
  66     }
  67
  68     physDev->pen.set = FALSE;
  69     return prevpen;
  70 }
  71
  72
  73 /**********************************************************************
  74  *
  75  *      PSDRV_SetPen
  76  *
  77  */
  78 BOOL PSDRV_SetPen(DC *dc)
  79 {
  80     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
  81
  82     if (physDev->pen.style != PS_NULL) {
  83         PSDRV_WriteSetColor(dc, &physDev->pen.color);
  84
  85         if(!physDev->pen.set) {
  86             PSDRV_WriteSetPen(dc);
  87             physDev->pen.set = TRUE;
  88         }
  89     }
  90
  91     return TRUE;
  92 }
  93
  94