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xwin.c

/*-
#
#  xwin.c
#
###
#
#  Copyright (c) 2005   David Albert Bagley, bagleyd@tux.org
#
#                   All Rights Reserved
#
#  Permission to use, copy, modify, and distribute this software and
#  its documentation for any purpose and without fee is hereby granted,
#  provided that the above copyright notice appear in all copies and
#  that both that copyright notice and this permission notice appear in
#  supporting documentation, and that the name of the author not be
#  used in advertising or publicity pertaining to distribution of the
#  software without specific, written prior permission.
#
#  This program is distributed in the hope that it will be "playable",
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#
*/

/* Methods file for xwin */

#include "xwin.h"

#ifdef WINVER
void
FILLPOLYGON(HDC hDC, HPEN * hPen, HPEN * hOldPen,
            HBRUSH * hBrush, HBRUSH * hOldBrush,
            GC color, GC lineColor, const POINT * poly, int n,
            Boolean origin)
{
      /* CoordModePrevious -> CoordModeOrigin */
      POINT *temp = NULL;
      int pt;

      if (!origin) {
            if (!(temp = (POINT *) malloc(sizeof (POINT) * n))) {
                  DISPLAY_ERROR("Not enough memory (POLYGON), exiting.");
            }
            temp[0] = poly[0];
            for (pt = 1; pt < n; pt++) {
                  temp[pt].x = temp[pt - 1].x + poly[pt].x,
                  temp[pt].y = temp[pt - 1].y + poly[pt].y;
            }
      }
      *hPen = CreatePen(PS_SOLID, 1, lineColor);
      *hOldPen = (HPEN) SelectObject(hDC, *hPen);
      *hBrush = CreateSolidBrush(color);
      *hOldBrush = (HBRUSH) SelectObject(hDC, *hBrush);
      (void) Polygon(hDC, (origin) ? poly : temp, n);
      (void) SelectObject(hDC, *hOldBrush);
      (void) DeleteObject(*hBrush);
      (void) SelectObject(hDC, *hOldPen);
        (void) DeleteObject(*hPen);
      if (!origin) {
            free(temp);
      }
}

void
DRAWPOLYLINE(HDC hDC, HPEN * hPen, HPEN * hOldPen,
            GC color, const POINT * poly, int n,
            Boolean origin)
{
      /* CoordModePrevious -> CoordModeOrigin */
      POINT *temp = NULL;
      int pt;

      if (!origin) {
            if (!(temp = (POINT *) malloc(sizeof (POINT) * n))) {
                  DISPLAY_ERROR("Not enough memory (POLYLINE), exiting.");
            }
            temp[0] = poly[0];
            for (pt = 1; pt < n; pt++) {
                  temp[pt].x = temp[pt - 1].x + poly[pt].x,
                  temp[pt].y = temp[pt - 1].y + poly[pt].y;
            }
      }
      *hPen = CreatePen(PS_SOLID, 1, color);
      *hOldPen = (HPEN) SelectObject(hDC, *hPen);
      (void) Polyline(hDC, (origin) ? poly : temp, n);
      (void) SelectObject(hDC, *hOldPen);
        (void) DeleteObject(*hPen);
      if (!origin) {
            free(temp);
      }
}
#endif

void
intCat(char ** string, const char * var1, const int var2)
{
      if (!(*string = (char *) malloc(strlen(var1) + 21))) {
            DISPLAY_ERROR("Not enough memory (intCat), exiting.");
      }
      (void) sprintf(*string, "%s%d", var1, var2);
}

void
stringCat(char ** string, const char * var1, const char * var2)
{
      if (!(*string = (char *) malloc(strlen(var1) + strlen(var2) + 1))) {
            DISPLAY_ERROR("Not enough memory (stringCat), exiting.");
      }
      (void) sprintf(*string, "%s%s", var1, var2);
}

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