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 static char PEN_dash[]       = "50 30";     /* -----   -----   -----  */
  13 static char PEN_dot[]        = "20";      /* --  --  --  --  --  -- */
  14 static char PEN_dashdot[]    = "40 30 20 30";  /* ----   --   ----   --  */
  15 static char PEN_dashdotdot[] = "40 20 20 20 20 20"; /* ----  --  --  ----  */
  16 static char PEN_alternate[]  = "1";
  17
  18 /***********************************************************************
  19  *           PSDRV_PEN_SelectObject
  20  */
  21 extern HPEN PSDRV_PEN_SelectObject( DC * dc, HPEN hpen, PENOBJ * pen )
  22 {
  23     HPEN prevpen = dc->w.hPen;
  24     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
  25
  26     TRACE(psdrv, "hpen = %08x colour = %08lx\n", hpen, pen->logpen.lopnColor);
  27     dc->w.hPen = hpen;
  28
  29     physDev->pen.width = XLSTODS(dc, pen->logpen.lopnWidth.x);
  30     if(physDev->pen.width < 0)
  31         physDev->pen.width = -physDev->pen.width;
  32
  33     PSDRV_CreateColor(physDev, &physDev->pen.color, pen->logpen.lopnColor);
  34
  35     if(physDev->pen.width > 1) { /* dashes only for 0 or 1 pixel pens */
  36         physDev->pen.dash = NULL;
  37     } else {
  38         switch(pen->logpen.lopnStyle & PS_STYLE_MASK) {
  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             break;
  62         }
  63     }
  64
  65     physDev->pen.set = FALSE;
  66     return prevpen;
  67 }
  68
  69
  70 /**********************************************************************
  71  *
  72  *      PSDRV_SetPen
  73  *
  74  */
  75 BOOL PSDRV_SetPen(DC *dc)
  76 {
  77     PSDRV_PDEVICE *physDev = (PSDRV_PDEVICE *)dc->physDev;
  78
  79     PSDRV_WriteSetColor(dc, &physDev->pen.color);
  80
  81     if(!physDev->pen.set) {
  82         PSDRV_WriteSetPen(dc);
  83         physDev->pen.set = TRUE;
  84     }
  85
  86     return TRUE;
  87 }
  88
  89